diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..24d524c
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node/node_modules/
+php/vendor/
\ No newline at end of file
diff --git a/node/arrayClass.js b/node/arrayClass.js
new file mode 100644
index 0000000..4de786e
--- /dev/null
+++ b/node/arrayClass.js
@@ -0,0 +1,173 @@
+"use strict"
+
+class Array {
+	
+	constructor( elements ) {
+		
+		this.setElements( elements )
+	}
+	
+	setElements( elements ) 
+	{
+		if( elements != null ) { 
+			this.elements = elements
+		}else {
+			this.elements = []
+		}
+	}
+	
+	last( ) {
+		
+		if( this.elements.length > 0 ) { 
+			return this.elements[ this.elements.length - 1 ]
+		} else {
+			return undefined;
+		}
+	}
+}
+
+let ar1 = new Array(  )
+let ar2 = new Array( [1, 2, 3, 4, 5] )
+
+console.log( ar1.last(  ) ) //undefined
+console.log( ar2.last(  ) ) //5
+
+function getTransactions() {
+    return new Promise((resolve, reject) => {
+        fetch(BASE_URL + '/api/transacoes')
+            .then(result => {
+                result.json().then(transactions_result => {
+                    const transactions = []
+
+                    for (let i in transactions_result) {
+                        if (transactions_result[i].realizada)  {
+                            transactions.push({
+                                id: transactions_result[i].id,
+                                value: transactions_result[i].valor,
+                                type: transactions_result[i].valor < 0 ? 'transference' : 'deposit',
+                            })
+                        }
+                    }
+
+                    return resolve(transactions)
+                })
+            })
+            .catch(e => { 
+				return reject(e)
+			})
+    })
+}
+
+
+
+class ResponseTransaction {
+	
+	constructor( elements ) {
+		
+		this.json(  )
+	}
+	
+	json(  ) { 
+	
+		this.elements = 
+			
+			[
+				{ id: 1, valor: -1, realizada: true }, 
+				{ id: 1, valor: 50, realizada: true }, 
+				{ id: 1, valor: 181, realizada: false } 
+			]
+		 
+		return this.elements
+		
+	}
+
+}
+	
+	
+const BASE_URL = 'http://teste.desenvolvimento.nodejs';
+
+function fetch( url ) {
+	
+	console.log( url ) 
+	return new Promise((resolve, reject) => {
+        
+        const response_transaction = new ResponseTransaction(  );
+        //console.log( response_transaction.json(  ) )
+        return resolve(response_transaction);
+
+    });
+	
+}
+
+function resolvePromiseFetchResult( result ) {
+	
+	
+	return new Promise((resolve, reject) => {
+		
+		if( !result ) {
+			
+			return reject( "Invalid result" )
+		}
+
+        return resolve( result.json() )
+    });
+}
+
+function buildArraySuccessfully( arrayTransactionsResult ) {
+	
+	
+	
+	return new Promise((resolve, reject) => {
+		
+		if( !arrayTransactionsResult ) {
+		
+			return reject( "Invalid array transaction result" )
+			
+		}
+
+		let transactions = []
+		
+		for (let i in arrayTransactionsResult) {
+			
+			if (arrayTransactionsResult[i].realizada)  {
+				transactions.push({
+					id: arrayTransactionsResult[i].id,
+					value: arrayTransactionsResult[i].valor,
+					type: arrayTransactionsResult[i].valor < 0 ? 'transference' : 'deposit',
+				})
+			}
+		}
+
+		return resolve(transactions)
+		
+    });
+	
+}
+
+
+
+function getTransactions2(  ) { 
+	
+	return new Promise((resolve, reject) => {
+        
+        const url = BASE_URL + '/api/transacoes';
+		 
+		return resolve( url )
+
+    });
+
+}
+
+
+getTransactions2(  )
+	.then( fetch )
+	.then( resolvePromiseFetchResult )
+	.then( buildArraySuccessfully )
+	.then(
+        (result) => {
+           console.log(result);
+        },
+        
+        (error) => {
+            console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+        });
diff --git a/node/index.js b/node/index.js
index e69de29..ff8fde6 100644
--- a/node/index.js
+++ b/node/index.js
@@ -0,0 +1,14 @@
+const express    = require( 'express' )
+const bodyParser = require( 'body-parser' )
+const morgan     = require( 'morgan' )
+const app        = express(  )
+
+app.use( bodyParser.urlencoded( { extended : false } ) )
+app.use( bodyParser.json(  ) )
+app.use( morgan( 'dev' ) )
+
+require( './src/index' )( app )
+
+app.listen( 9000, (  ) => { 
+	console.log( 'Express has been started' )
+} )
\ No newline at end of file
diff --git a/node/package.json b/node/package.json
new file mode 100644
index 0000000..531f639
--- /dev/null
+++ b/node/package.json
@@ -0,0 +1,17 @@
+{
+  "name": "node",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "body-parser": "^1.18.3",
+    "express": "^4.16.3",
+    "morgan": "^1.9.0",
+    "node-cache": "^4.2.0"
+  }
+}
diff --git a/node/src/business/cache-manager.js b/node/src/business/cache-manager.js
new file mode 100644
index 0000000..e52b2b1
--- /dev/null
+++ b/node/src/business/cache-manager.js
@@ -0,0 +1,144 @@
+"use strict"
+
+const nodeCache = require( "node-cache" )
+const cacheManager  = new nodeCache(  )
+
+class CacheManager {
+	
+	
+	constructor( dollarQuotation ) {
+		
+		this.dollarQuotation = dollarQuotation
+		
+	}
+	
+	recoverDataDollarQuotation(  ) { 
+	
+		
+		return new Promise((resolve, reject) => { 
+			
+			cacheManager.get( "dollar_quotation", ( err, value ) => {
+			
+				if( !err ){
+					
+					  return resolve( value )
+					
+				}else { 
+					
+					return reject ( err )
+				
+				}
+			
+			} )
+        
+		});
+		
+	}
+	getDataDollarQuotation( value ) { 
+	
+		
+		return new Promise((resolve, reject) => { 
+			
+			
+			cacheManager.get( "dollar_quotation", ( err, value ) => {
+			
+				if( !err ){
+					
+					  if(value == undefined){
+			  
+						  this.dollarQuotation.requestQuotationBcb(  )
+							.then( this.dollarQuotation.proccessDataQuotation )
+							.then( this.dollarQuotation.calculateDollarQuotation )
+							.then(
+							(result) => {
+							   
+							   cacheManager.set( "dollar_quotation", result, 14400, ( err, success) => {
+								if( !err && success ){
+									
+									return resolve( result )
+								  }
+							  });
+							},
+							
+							(error) => {
+								console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+							})
+						  
+						}else{
+						  
+						  return resolve( value )
+						}
+					
+				}else { 
+					
+					return reject ( err )
+				
+				}
+			
+			} )
+			
+				
+
+        
+		});
+		
+	}
+	
+	getDataOrdersCache( ) {
+		
+		return new Promise((resolve, reject) => { 
+			
+			
+			cacheManager.get( "orders", ( err, value ) => {
+			
+				if( !err ){
+					
+					  if(value == undefined){
+			  
+						  return resolve( [  ] )
+						  
+						}else{
+						  
+						  return resolve( value )
+						}
+					
+				}else { 
+					
+					return reject ( err )
+				
+				}
+			
+			} )
+			
+				
+
+        
+		});
+		
+	}
+	
+	recordDataOrdersCache( dataOrders ) {
+		
+		return new Promise((resolve, reject) => {
+			cacheManager.set( "orders", dataOrders, 14400, ( err, success) => {
+									if( !err && success ){
+										
+										return resolve( success )
+									}else {
+										reject( "Error to record orders" )
+									}
+									
+			});
+				
+
+
+				
+		} )
+		
+		
+		
+							  
+	}
+}
+
+module.exports = CacheManager
\ No newline at end of file
diff --git a/node/src/business/dollar-quotation.js b/node/src/business/dollar-quotation.js
new file mode 100644
index 0000000..477f3bf
--- /dev/null
+++ b/node/src/business/dollar-quotation.js
@@ -0,0 +1,97 @@
+"use strict"
+
+const https = require( 'https' )
+
+class DollarQuotation {
+	
+	
+	requestQuotationBcb(  ) { 
+	
+		let options = {
+		  host: 'olinda.bcb.gov.br',
+		  path: "/olinda/servico/PTAX/versao/v1/odata/CotacaoDolarDia(dataCotacao=@dataCotacao)?@dataCotacao='07-20-2018'&$top=100&$format=json"
+		};
+	
+		
+		return new Promise((resolve, reject) => {
+			let req = https.get(options, ( response_https ) => {
+				
+					if( response_https.statusCode != 200) {
+						
+						return reject( "Invalid status code response of request" )
+						
+					}
+					
+					return resolve( response_https );
+					
+				})
+				
+				req.on('error', function(e) {
+					return reject( e )
+				});
+        
+		});
+		
+	}
+	
+	proccessDataQuotation ( response_https ) { 
+		
+		return new Promise( ( resolve, reject ) => { 
+			
+			if( !response_https ) { 
+				
+				return reject( "Invalid response" ) 
+				
+			}
+			
+			let bodyChunks = [];
+			
+			response_https.on('data', function(chunk) {
+				
+				bodyChunks.push(chunk);
+				
+			}).on('end', function() {
+				
+				return resolve( JSON.parse( bodyChunks ) )
+			
+			})
+		  
+		} )
+		
+	}
+	
+	calculateDollarQuotation( dataQuotation ) { 
+	
+		
+		return new Promise( ( resolve, reject ) => { 
+			
+			if( !dataQuotation ) { 
+				
+				return reject( "Invalid data quotation" ) 
+				
+			}
+			
+			if( !dataQuotation.value ) { 
+				
+				return reject( "Invalid data quotation" ) 
+				
+			}
+			
+			let cotation = 0
+			if( dataQuotation.value[ 0 ].cotacaoCompra != 0 ) { 
+				cotation = 1 / dataQuotation.value[ 0 ].cotacaoCompra
+				cotation = Number(( cotation ).toFixed(2))
+			} 
+			
+			return resolve( cotation )
+			
+			
+		  
+		} )
+		
+	}
+	
+			
+}
+
+module.exports = DollarQuotation
\ No newline at end of file
diff --git a/node/src/business/order.js b/node/src/business/order.js
new file mode 100644
index 0000000..510fe55
--- /dev/null
+++ b/node/src/business/order.js
@@ -0,0 +1,94 @@
+"use strict"
+
+
+class Order {
+	
+	
+	constructor( cacheManager ) {
+		
+		this.cacheManager = cacheManager
+		
+	}
+	
+	getOrders(  ) { 
+	
+		
+		return new Promise((resolve, reject) => { 
+			
+			let orders = this.cacheManager.getDataOrdersCache( )
+			
+			return resolve( orders )
+        
+		});
+		
+	}
+	
+	findInfoOrderId( orders ) { 
+	
+		return new Promise((resolve, reject) => { 
+			
+			let orderIds= [  ];
+			let maxOrderId = 1;
+			
+			for ( let i in orders ) {
+				orderIds.push( orders[ i ].id )
+			}
+			
+			if( orderIds.length > 0 ) { 
+				
+				maxOrderId = Math.max.apply(null, orderIds );
+				maxOrderId = maxOrderId + 1
+				
+			}
+			
+			let order_info = { orders : orders, maxOrderId : maxOrderId }
+			
+			return resolve( order_info )
+			
+        
+		});
+		
+		
+	}
+	
+	
+	insertOrder( req_params, cotation_brl ) { 
+	
+		return new Promise((resolve, reject) => { 
+			
+			if( !req_params.items ) { 
+			
+				reject( "params items is invalid. Check the headers content type of requests" )
+			}
+			let items = req_params.items
+			let total_items = items.reduce((x, y) => x + y)
+			let createdAt   = new Date()
+			let total_usd   = total_items * cotation_brl
+			
+			this.getOrders(  )
+				.then( this.findInfoOrderId )
+				.then(
+						(result) => {
+						   
+						   let orders = result.orders
+						   let info_order_record = { id : result.maxOrderId, createdAt : createdAt, totalBRL: total_items, totalUSD : total_usd }
+						   
+						   orders.push( info_order_record )
+						   
+						   this.cacheManager.recordDataOrdersCache( orders )
+						   
+						   return resolve( info_order_record )
+						},
+						
+						(error) => {
+							console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+						})
+	
+		});
+		
+	}
+		
+		
+}
+
+module.exports = Order
\ No newline at end of file
diff --git a/node/src/index.js b/node/src/index.js
new file mode 100644
index 0000000..4f7b367
--- /dev/null
+++ b/node/src/index.js
@@ -0,0 +1,6 @@
+module.exports = ( app ) => {
+	
+	app.use( '/', require( './routes/main/' ) )
+	app.use( '/api', require( './routes/api/' ) )
+	
+}
\ No newline at end of file
diff --git a/node/src/routes/api/brl_usd.js b/node/src/routes/api/brl_usd.js
new file mode 100644
index 0000000..894812c
--- /dev/null
+++ b/node/src/routes/api/brl_usd.js
@@ -0,0 +1,24 @@
+const https = require( 'https' )
+const dollarQuotation = require( "./../../business/dollar-quotation" )
+const cacheManager = require( "./../../business/cache-manager" )
+
+module.exports = ( req, res ) => { 
+	
+	let dollar_quotation = new dollarQuotation(  )
+		
+	let cache_manager = new cacheManager( dollar_quotation )
+	
+	cache_manager.getDataDollarQuotation(  )
+		.then(
+			(result) => {
+			   
+			   return res.json( { brl: 1, usd : result } )
+			},
+			
+			(error) => {
+				console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+			}
+		)
+	
+	
+} 
diff --git a/node/src/routes/api/index.js b/node/src/routes/api/index.js
new file mode 100644
index 0000000..a65f253
--- /dev/null
+++ b/node/src/routes/api/index.js
@@ -0,0 +1,9 @@
+const express = require( 'express' )
+const router  = express.Router(  )
+
+
+router.get( '/brl-usd', require( './brl_usd' ) )
+router.post( '/orders', require( './order-add' ) )
+router.get( '/orders', require( './order-list' ) )
+
+module.exports = router
\ No newline at end of file
diff --git a/node/src/routes/api/order-add.js b/node/src/routes/api/order-add.js
new file mode 100644
index 0000000..41b4ce2
--- /dev/null
+++ b/node/src/routes/api/order-add.js
@@ -0,0 +1,41 @@
+const https = require( 'https' )
+const dollarQuotation = require( "./../../business/dollar-quotation" )
+const cacheManager = require( "./../../business/cache-manager" )
+const order = require( "./../../business/order" )
+
+module.exports = ( req, res ) => { 
+	
+	let dollar_quotation = new dollarQuotation(  )
+		
+	let cache_manager = new cacheManager( dollar_quotation )
+	
+	let order_manager = new order( cache_manager )
+	
+	cache_manager.getDataDollarQuotation(  )
+		.then(
+			( cotation_brl ) => {
+			   
+				order_manager.insertOrder( req.body, cotation_brl )
+					.then( 
+						( result ) => { 
+							
+							return res.json( result )
+							
+						},
+						
+						( error ) => { 
+							
+							console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+							
+						}
+					)
+			   
+			},
+			
+			(error) => {
+				console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+			}
+		)
+	
+	
+} 
diff --git a/node/src/routes/api/order-list.js b/node/src/routes/api/order-list.js
new file mode 100644
index 0000000..02e3781
--- /dev/null
+++ b/node/src/routes/api/order-list.js
@@ -0,0 +1,30 @@
+const https = require( 'https' )
+const dollarQuotation = require( "./../../business/dollar-quotation" )
+const cacheManager = require( "./../../business/cache-manager" )
+const order = require( "./../../business/order" )
+
+module.exports = ( req, res ) => { 
+	
+	let dollar_quotation = new dollarQuotation(  )
+		
+	let cache_manager = new cacheManager( dollar_quotation )
+	
+	let order_manager = new order( cache_manager )
+	
+	order_manager.getOrders(  )
+	.then( 
+		( result ) => { 
+			
+			return res.json( result )
+			
+		},
+		
+		( error ) => { 
+			
+			console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+			
+		}
+	)
+	
+	
+} 
diff --git a/node/src/routes/main/index.js b/node/src/routes/main/index.js
new file mode 100644
index 0000000..7990f5d
--- /dev/null
+++ b/node/src/routes/main/index.js
@@ -0,0 +1,7 @@
+const express = require( 'express' )
+const router  = express.Router(  )
+
+
+router.get( '/', require( './main' ) )
+
+module.exports = router
\ No newline at end of file
diff --git a/node/src/routes/main/main.js b/node/src/routes/main/main.js
new file mode 100644
index 0000000..0beac84
--- /dev/null
+++ b/node/src/routes/main/main.js
@@ -0,0 +1,5 @@
+module.exports = ( req, res ) => { 
+	
+	return res.json( { msg : "Welcome to test developer nodejs" } )
+	
+} 
\ No newline at end of file
diff --git a/php/brl-usd.php b/php/brl-usd.php
index e69de29..3eeca5f 100644
--- a/php/brl-usd.php
+++ b/php/brl-usd.php
@@ -0,0 +1,17 @@
+<?php
+
+require "vendor/autoload.php";
+
+header('Content-Type: application/json');
+
+$dependencyManager = new \Desenvolvimento\DependencyManager( new \Pimple\Container(  ) );
+
+try{ 
+
+	$dispatcher = $dependencyManager->getInstanceDependencyOfContainer( "Desenvolvimento/Dispatcher" );
+	$dispatcher->dispatch(  );
+	
+}catch( \RuntimeException $e ) {
+	
+	echo json_encode( $e->getMessage()  );
+}
\ No newline at end of file
diff --git a/php/cache/dollar_quotation.cache b/php/cache/dollar_quotation.cache
new file mode 100644
index 0000000..78aa9c2
--- /dev/null
+++ b/php/cache/dollar_quotation.cache
@@ -0,0 +1 @@
+O:20:"FileSystemCacheValue":5:{s:3:"key";O:18:"FileSystemCacheKey":2:{s:3:"key";s:16:"dollar_quotation";s:5:"group";N;}s:5:"value";a:2:{s:3:"brl";i:1;s:3:"usd";d:0.26000000000000001;}s:3:"ttl";i:14400;s:7:"expires";i:1533314147;s:7:"created";i:1533299747;}
\ No newline at end of file
diff --git a/php/composer.json b/php/composer.json
new file mode 100644
index 0000000..5e8dcd8
--- /dev/null
+++ b/php/composer.json
@@ -0,0 +1,26 @@
+{
+    "name": "node-php-test-middle/php",
+    "authors": [
+        {
+            "name": "Erico de oliveira leandro",
+            "email": "erico.autocad@gmail.com"
+        }
+    ],
+    "require": {
+        "pimple/pimple": "^3.2",
+		"jdorn/file-system-cache": "dev-master"
+    },
+    "require-dev": {
+        "phpunit/phpunit": "^5.7"
+    },
+	"autoload" : {
+		 "psr-4" : { 
+			"Desenvolvimento\\" : "oop/Desenvolvimento/"
+		}
+	},
+	"autoload-dev" : {
+		 "psr-4" : { 
+			"Desenvolvimento\\" : "tests/"
+		}
+	}
+}
diff --git a/php/composer.lock b/php/composer.lock
new file mode 100644
index 0000000..0084a52
--- /dev/null
+++ b/php/composer.lock
@@ -0,0 +1,1542 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "de2d01658306fd87f8734c793f99945e",
+    "packages": [
+        {
+            "name": "jdorn/file-system-cache",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/jdorn/FileSystemCache.git",
+                "reference": "08f33ff840ec4728a0bd28e4d68d97635584952e"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/jdorn/FileSystemCache/zipball/08f33ff840ec4728a0bd28e4d68d97635584952e",
+                "reference": "08f33ff840ec4728a0bd28e4d68d97635584952e",
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+                "url": "https://api.github.com/repos/sebastianbergmann/version/zipball/99732be0ddb3361e16ad77b68ba41efc8e979019",
+                "reference": "99732be0ddb3361e16ad77b68ba41efc8e979019",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.6"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "classmap": [
+                    "src/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "BSD-3-Clause"
+            ],
+            "authors": [
+                {
+                    "name": "Sebastian Bergmann",
+                    "email": "sebastian@phpunit.de",
+                    "role": "lead"
+                }
+            ],
+            "description": "Library that helps with managing the version number of Git-hosted PHP projects",
+            "homepage": "https://github.com/sebastianbergmann/version",
+            "time": "2016-10-03T07:35:21+00:00"
+        },
+        {
+            "name": "symfony/polyfill-ctype",
+            "version": "v1.8.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/polyfill-ctype.git",
+                "reference": "7cc359f1b7b80fc25ed7796be7d96adc9b354bae"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/polyfill-ctype/zipball/7cc359f1b7b80fc25ed7796be7d96adc9b354bae",
+                "reference": "7cc359f1b7b80fc25ed7796be7d96adc9b354bae",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.3.3"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.8-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Polyfill\\Ctype\\": ""
+                },
+                "files": [
+                    "bootstrap.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                },
+                {
+                    "name": "Gert de Pagter",
+                    "email": "BackEndTea@gmail.com"
+                }
+            ],
+            "description": "Symfony polyfill for ctype functions",
+            "homepage": "https://symfony.com",
+            "keywords": [
+                "compatibility",
+                "ctype",
+                "polyfill",
+                "portable"
+            ],
+            "time": "2018-04-30T19:57:29+00:00"
+        },
+        {
+            "name": "symfony/yaml",
+            "version": "v3.4.14",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/symfony/yaml.git",
+                "reference": "810af2d35fc72b6cf5c01116806d2b65ccaaf2e2"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/symfony/yaml/zipball/810af2d35fc72b6cf5c01116806d2b65ccaaf2e2",
+                "reference": "810af2d35fc72b6cf5c01116806d2b65ccaaf2e2",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.5.9|>=7.0.8",
+                "symfony/polyfill-ctype": "~1.8"
+            },
+            "conflict": {
+                "symfony/console": "<3.4"
+            },
+            "require-dev": {
+                "symfony/console": "~3.4|~4.0"
+            },
+            "suggest": {
+                "symfony/console": "For validating YAML files using the lint command"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "3.4-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Symfony\\Component\\Yaml\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Fabien Potencier",
+                    "email": "fabien@symfony.com"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://symfony.com/contributors"
+                }
+            ],
+            "description": "Symfony Yaml Component",
+            "homepage": "https://symfony.com",
+            "time": "2018-07-26T11:19:56+00:00"
+        },
+        {
+            "name": "webmozart/assert",
+            "version": "1.3.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/webmozart/assert.git",
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/webmozart/assert/zipball/0df1908962e7a3071564e857d86874dad1ef204a",
+                "reference": "0df1908962e7a3071564e857d86874dad1ef204a",
+                "shasum": ""
+            },
+            "require": {
+                "php": "^5.3.3 || ^7.0"
+            },
+            "require-dev": {
+                "phpunit/phpunit": "^4.6",
+                "sebastian/version": "^1.0.1"
+            },
+            "type": "library",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "1.3-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Webmozart\\Assert\\": "src/"
+                }
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Bernhard Schussek",
+                    "email": "bschussek@gmail.com"
+                }
+            ],
+            "description": "Assertions to validate method input/output with nice error messages.",
+            "keywords": [
+                "assert",
+                "check",
+                "validate"
+            ],
+            "time": "2018-01-29T19:49:41+00:00"
+        }
+    ],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {
+        "jdorn/file-system-cache": 20
+    },
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}
diff --git a/php/oop/Desenvolvimento/ClientRequest.php b/php/oop/Desenvolvimento/ClientRequest.php
new file mode 100644
index 0000000..4d23374
--- /dev/null
+++ b/php/oop/Desenvolvimento/ClientRequest.php
@@ -0,0 +1,47 @@
+<?php
+
+namespace Desenvolvimento;
+
+
+class ClientRequest {
+
+	
+	
+	public function getUrlRequestCotation( $date )
+	{
+		$url_request_cotation  = 'https://olinda.bcb.gov.br';
+		$url_request_cotation .= '/olinda/servico/PTAX/versao/v1/odata';
+		$url_request_cotation .= '/CotacaoDolarDia';
+		$url_request_cotation .= '(dataCotacao=@dataCotacao)';
+		$url_request_cotation .= "?@dataCotacao='" . $date . "'";
+		$url_request_cotation .= '&$top=100&$format=json'; 
+		
+		return $url_request_cotation;
+		
+	}
+	
+	public function processRequest( $date )
+	{
+		$url_request = $this->getUrlRequestCotation( $date );
+		$ch = curl_init(); 
+		curl_setopt($ch, CURLOPT_URL, $url_request); 
+		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); 
+		curl_setopt($ch,CURLOPT_SSL_VERIFYPEER, FALSE );
+		$output = curl_exec($ch); 
+		$output = json_decode( $output, true );
+		
+		$status_code = curl_getinfo( $ch, CURLINFO_HTTP_CODE);
+						
+		if( $status_code !== 200 ) {
+			curl_close( $ch );
+			return false;
+		} else {
+			curl_close( $ch );
+			return $output;
+		}				
+		
+		return $result;
+		
+	}
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/DependencyManager.php b/php/oop/Desenvolvimento/DependencyManager.php
new file mode 100644
index 0000000..bf3f909
--- /dev/null
+++ b/php/oop/Desenvolvimento/DependencyManager.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace Desenvolvimento;
+
+class DependencyManager{
+	
+	private $dependencyContainer = null; 
+	
+	public function __construct( \Pimple\Container $dependencyContainer )
+	{
+		
+		$this->dependencyContainer = $dependencyContainer;
+		$this->setDependencies( );
+		
+	}
+	
+	public function setDependencies( ) 
+	{
+		$this->dependencyContainer["Desenvolvimento/ClientRequest"] = function ( $recipient ) {
+			return new \Desenvolvimento\ClientRequest(  );	
+		};
+		$this->dependencyContainer["Desenvolvimento/DollarQuotation"] = function ( $recipient ) {
+			return new \Desenvolvimento\DollarQuotation( $recipient["Desenvolvimento/ClientRequest"] );	
+		};
+		$this->dependencyContainer["Desenvolvimento/DependencyManager"] = function ( $recipient ) {
+			return new \Desenvolvimento\DependencyManager( $recipient );	
+		};
+		$this->dependencyContainer["Desenvolvimento/Dispatcher"] = function ( $recipient ) {
+			return new \Desenvolvimento\Dispatcher( $recipient["Desenvolvimento/DependencyManager"] );	
+		};
+		$this->dependencyContainer["FileSystemCache"] = function ( $recipient ) {
+			return new \FileSystemCache(  );	
+		};
+		$this->dependencyContainer["Desenvolvimento/Order"] = function ( $recipient ) {
+			return new \Desenvolvimento\Order( $recipient["FileSystemCache"] );	
+		};
+		
+		$this->dependencyContainer["Desenvolvimento/Route/Get/Php/Brlusd"] = function ( $recipient ) {
+			return new \Desenvolvimento\Route\Get\Php\Brlusd( $recipient["Desenvolvimento/DollarQuotation"] );	
+		};
+		$this->dependencyContainer["Desenvolvimento/Route/Post/Php/Orders"] = function ( $recipient ) {
+			return new \Desenvolvimento\Route\Post\Php\Orders( $recipient["Desenvolvimento/Order"], $recipient["Desenvolvimento/DollarQuotation"] );	
+		};
+		$this->dependencyContainer["Desenvolvimento/Route/Get/Php/Orders"] = function ( $recipient ) {
+			return new \Desenvolvimento\Route\Get\Php\Orders( $recipient["Desenvolvimento/Order"] );	
+		};
+		
+	}
+	
+	public function getInstanceDependencyOfContainer( $nameDependencyRecipient )
+	{
+		if( empty( $this->dependencyContainer[$nameDependencyRecipient] ) ) { 
+		
+			throw new \RuntimeException( "the dependency `$nameDependencyRecipient` is invalid" );
+			
+		}
+		
+		return $this->dependencyContainer[$nameDependencyRecipient];
+		
+	}
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Dispatcher.php b/php/oop/Desenvolvimento/Dispatcher.php
new file mode 100644
index 0000000..e9621b7
--- /dev/null
+++ b/php/oop/Desenvolvimento/Dispatcher.php
@@ -0,0 +1,82 @@
+<?php
+
+namespace Desenvolvimento;
+
+class Dispatcher {
+	
+	private $dependencyManager = null;
+	
+	public function __construct( \Desenvolvimento\DependencyManager $dependencyManager )
+	{
+		
+		$this->dependencyManager = $dependencyManager;
+		
+	}
+	
+	public function getRoutes(  )
+	{
+		
+		return [ 
+						"GET" => [ 
+							"/php/brl-usd.php", 
+							"/php/orders.php", 
+						],
+						"POST" => [ "/php/orders.php" ]
+				  ];
+
+		
+	}
+	
+	public function getPathResource( $path_root_request, $request_method )
+	{
+	
+		$path_root_request     = str_replace( "-", "", $path_root_request );
+		$path_root_request     = strtolower( $path_root_request );
+		$request_method        = strtolower( $request_method );
+		$path_root_request     = preg_replace_callback('~(/)([a-z])~', function ($match) {
+	
+			return $match[1] . ucfirst( $match[2] );
+		}, $path_root_request );
+		$controller_class_name = ucfirst( $request_method ) . ucfirst( $path_root_request );
+		$controller_class_name = str_replace( ".php", "", $controller_class_name );
+		$controller_class_name = "Desenvolvimento/Route/" . $controller_class_name ;
+		
+		return $controller_class_name;
+		
+	}
+		
+	public function dispatch( $path_root_request = null, $request_method = null )
+	{
+				
+		if( is_null( $path_root_request ) ) {
+			$path_root_request = $_SERVER[ "PHP_SELF" ];
+		}
+		if( is_null( $request_method ) ) {
+			$request_method    = $_SERVER[ "REQUEST_METHOD" ];
+		}
+		$routes = $this->getRoutes(  );
+		
+		if( !empty( $routes [ $request_method ] )  ) {
+			
+			if( in_array( $path_root_request, $routes [ $request_method ] ) ) {
+				
+				$controller_class_name = $this->getPathResource( $path_root_request, $request_method );
+				$instance_controller = $this->dependencyManager->getInstanceDependencyOfContainer( $controller_class_name );
+				$instance_controller->run(  );
+				
+				return $instance_controller;
+				
+			} else {
+				
+				throw new \RuntimeException( "the requested resource is not valid" );
+				
+			}
+			
+		}else { 
+		
+			throw new \RuntimeException( "the requested resource is not valid" );
+			
+		}
+	}
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/DollarQuotation.php b/php/oop/Desenvolvimento/DollarQuotation.php
new file mode 100644
index 0000000..c3c882c
--- /dev/null
+++ b/php/oop/Desenvolvimento/DollarQuotation.php
@@ -0,0 +1,70 @@
+<?php
+
+namespace Desenvolvimento;
+
+class DollarQuotation {
+	
+	private $clientRequest = null;
+	
+	
+	public function __construct( \Desenvolvimento\ClientRequest $clientRequest )
+	{
+		
+		$this->clientRequest = $clientRequest;
+		
+	}
+	
+	public function getClientRequest(  )
+	{
+		
+		return $this->clientRequest;
+		
+	}
+	
+	public function getDollarCotation( $date = "07-20-2018" )
+	{
+		
+		$info_cotation =  $this->getADollarQuotationPerDay( $date );
+		
+		return $info_cotation[ "usd" ];
+		
+	}
+	
+	public function getADollarQuotationPerDay( $date = "07-20-2018" )
+	{
+		
+		$client = $this->clientRequest;
+		
+		$keycache = \FileSystemCache::generateCacheKey('dollar_quotation');
+		$datacache = \FileSystemCache::retrieve($keycache);
+
+		// If there was a cache miss
+		if($datacache === false) {
+			
+			$datacache = $client->processRequest( $date );
+		
+			if( !empty( $datacache[ "value" ] ) ) {
+				
+				$info_first_cotation = $datacache[ "value" ] [ 0 ];
+				$value_usd = round( ( 1 / $info_first_cotation[ "cotacaoCompra" ] ) , 2 );
+				
+				$datacache = [ "brl" => 1, "usd" => $value_usd ];
+				\FileSystemCache::store( $keycache, $datacache, 14400 ); 
+				
+				return $datacache;
+				
+			}else { 
+			
+				return [ "brl" => 0, "usd" => 0 ];
+				
+			}
+			
+		}else {
+		
+			return $datacache;
+			
+		}
+		
+	}
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Order.php b/php/oop/Desenvolvimento/Order.php
new file mode 100644
index 0000000..50b5ed6
--- /dev/null
+++ b/php/oop/Desenvolvimento/Order.php
@@ -0,0 +1,95 @@
+<?php
+
+namespace Desenvolvimento;
+
+class Order{ 
+
+	private $fileSystemCache;
+	
+	
+	public function __construct( \FileSystemCache $fileSystemCache )
+	{
+		
+		$this->fileSystemCache = $fileSystemCache;
+		
+	}
+	
+	public function getFileSystemCache(  ) 
+	{
+		
+		return $this->fileSystemCache;
+		
+	}
+	
+	public function findLastOrderId( )
+	{
+		
+		$orderIds= [  ];
+		$maxOrderId = 1;
+		
+		$orders = $this->getOrders( );
+		
+		$orderIds = array_column( $orders, "id" ); 
+		
+		if( !empty( $orderIds ) ) { 
+			
+			$maxOrderId = max( $orderIds );
+			
+			$maxOrderId += 1;
+			
+		}
+		
+		return $maxOrderId;
+		
+	}
+	
+	public function insertOrder( array $items, $cotation_usd )
+	{
+		
+		$data_insert                = [  ];
+		$data_insert ["id"]         = $this->findLastOrderId( );
+		$data_insert ["created_at"] = ( new \DateTime( "now", new \DateTimeZone( "America/Sao_Paulo" ) ) )->format( "Y-m-d H:i:s" );
+		$data_insert ["total_brl"]  = array_sum( $items );
+		$data_insert ["total_usd"]  = $data_insert ["total_brl"] * $cotation_usd ;
+		
+		$keycache = $this->fileSystemCache->generateCacheKey('orders');
+		$orders = $this->fileSystemCache->retrieve($keycache);
+
+		if($orders === false) {
+			
+			$orders = [  ];
+			
+		}
+		
+		array_push( $orders, $data_insert);
+		$this->fileSystemCache->store( $keycache, $orders, 14400 ); 
+		
+		
+		return $data_insert;
+		
+		
+	}
+	
+	public function getOrders( )
+	{
+		
+		$keycache = $this->fileSystemCache->generateCacheKey('orders');
+		$datacache = $this->fileSystemCache->retrieve($keycache);
+
+		if($datacache === false) {
+			
+			$datacache = [  ];
+			$this->fileSystemCache->store( $keycache, $datacache, 14400 ); 
+				
+			return $datacache;
+			
+		}else {
+		
+			return $datacache;
+			
+		}
+		
+	}
+	
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/Customer.php b/php/oop/Desenvolvimento/Park/Customer.php
new file mode 100644
index 0000000..12dfc8b
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/Customer.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class Customer {
+
+	private $name;
+	
+	private $registry;
+	
+	private $typeCustomer;
+	
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/Employee.php b/php/oop/Desenvolvimento/Park/Employee.php
new file mode 100644
index 0000000..49cef7c
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/Employee.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class Employee {
+
+	private $name;
+	
+	private $login;
+	
+	private $workShift;
+	
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/Park.php b/php/oop/Desenvolvimento/Park/Park.php
new file mode 100644
index 0000000..6483971
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/Park.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class Park{
+
+	private $address;
+	
+	private $phone;
+	
+	private $operatingHours;
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/ParkingRent.php b/php/oop/Desenvolvimento/Park/ParkingRent.php
new file mode 100644
index 0000000..b27fc39
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/ParkingRent.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class ParkingRent {
+
+	private $customer;
+	
+	private $parkingSpace;
+	
+	private $vehicle;
+	
+	private $employee;
+	
+	private $park;
+	
+	private $checkIn;
+	
+	private $checkOut;
+	
+	private $totalPrice;
+	
+	private $status;
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/ParkingSpace.php b/php/oop/Desenvolvimento/Park/ParkingSpace.php
new file mode 100644
index 0000000..4455133
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/ParkingSpace.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class ParkingSpace {
+
+	private $name;
+	
+	private $status;
+	
+	private $typeParkingSpace;
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/TypeCustomer.php b/php/oop/Desenvolvimento/Park/TypeCustomer.php
new file mode 100644
index 0000000..aae0550
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/TypeCustomer.php
@@ -0,0 +1,9 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class TypeCustomer{
+
+	private $description;
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/TypeParkingSpace.php b/php/oop/Desenvolvimento/Park/TypeParkingSpace.php
new file mode 100644
index 0000000..43fb16c
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/TypeParkingSpace.php
@@ -0,0 +1,11 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class TypeParkingSpace {
+
+	private $name;
+	
+	private $value;
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Park/Vehicle.php b/php/oop/Desenvolvimento/Park/Vehicle.php
new file mode 100644
index 0000000..dfc4676
--- /dev/null
+++ b/php/oop/Desenvolvimento/Park/Vehicle.php
@@ -0,0 +1,15 @@
+<?php
+
+namespace Desenvolvimento\Park;
+
+class Vehicle {
+
+	private $plate;
+	
+	private $color;
+	
+	private $model;
+	
+	private $customer;
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Route/ControllerInterface.php b/php/oop/Desenvolvimento/Route/ControllerInterface.php
new file mode 100644
index 0000000..47c75f3
--- /dev/null
+++ b/php/oop/Desenvolvimento/Route/ControllerInterface.php
@@ -0,0 +1,9 @@
+<?php 
+
+namespace Desenvolvimento\Route;
+
+interface ControllerInterface {
+
+	public function run(  );
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Route/Get/Php/Brlusd.php b/php/oop/Desenvolvimento/Route/Get/Php/Brlusd.php
new file mode 100644
index 0000000..9abda8f
--- /dev/null
+++ b/php/oop/Desenvolvimento/Route/Get/Php/Brlusd.php
@@ -0,0 +1,21 @@
+<?php
+
+namespace Desenvolvimento\Route\Get\Php;
+
+class Brlusd implements \Desenvolvimento\Route\ControllerInterface {
+	
+	private $dollarQuotation;
+	
+	public function __construct( \Desenvolvimento\DollarQuotation $dollarQuotation )
+	{
+		
+		$this->dollarQuotation = $dollarQuotation;
+		
+	}
+	
+	public function run(  )
+	{
+		echo json_encode( $this->dollarQuotation->getADollarQuotationPerDay( "07-20-2018" ) );
+	}
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Route/Get/Php/Orders.php b/php/oop/Desenvolvimento/Route/Get/Php/Orders.php
new file mode 100644
index 0000000..0e78b74
--- /dev/null
+++ b/php/oop/Desenvolvimento/Route/Get/Php/Orders.php
@@ -0,0 +1,23 @@
+<?php
+
+namespace Desenvolvimento\Route\Get\Php;
+
+class Orders implements \Desenvolvimento\Route\ControllerInterface {
+
+	private $order;
+	
+	public function __construct( \Desenvolvimento\Order $order )
+	{
+		
+		$this->order = $order;
+		
+	}
+	
+	public function run(  )
+	{
+
+		$orders = $this->order->getOrders(  );
+		echo json_encode( $orders );
+	}
+	
+}
\ No newline at end of file
diff --git a/php/oop/Desenvolvimento/Route/Post/Php/Orders.php b/php/oop/Desenvolvimento/Route/Post/Php/Orders.php
new file mode 100644
index 0000000..e2dfb1c
--- /dev/null
+++ b/php/oop/Desenvolvimento/Route/Post/Php/Orders.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Desenvolvimento\Route\Post\Php;
+
+class Orders implements \Desenvolvimento\Route\ControllerInterface {
+
+	private $order;
+	
+	private $dollarQuotation;
+	
+	public function __construct( \Desenvolvimento\Order $order, \Desenvolvimento\DollarQuotation $dollarQuotation )
+	{
+		
+		$this->dollarQuotation = $dollarQuotation;
+		$this->order           = $order;
+		
+	}
+	
+	public function run(  )
+	{
+		$date = "07-20-2018";
+		$cotation_usd = $this->dollarQuotation->getDollarCotation( $date );
+		$items        = $_POST[ "items" ];
+		$insert_result = $this->order->insertOrder( $items, $cotation_usd );
+		echo json_encode( $insert_result );
+	}
+	
+}
\ No newline at end of file
diff --git a/php/orders.php b/php/orders.php
index e69de29..3eeca5f 100644
--- a/php/orders.php
+++ b/php/orders.php
@@ -0,0 +1,17 @@
+<?php
+
+require "vendor/autoload.php";
+
+header('Content-Type: application/json');
+
+$dependencyManager = new \Desenvolvimento\DependencyManager( new \Pimple\Container(  ) );
+
+try{ 
+
+	$dispatcher = $dependencyManager->getInstanceDependencyOfContainer( "Desenvolvimento/Dispatcher" );
+	$dispatcher->dispatch(  );
+	
+}catch( \RuntimeException $e ) {
+	
+	echo json_encode( $e->getMessage()  );
+}
\ No newline at end of file
diff --git a/php/tests/ClientRequestTest.php b/php/tests/ClientRequestTest.php
new file mode 100644
index 0000000..4f37c07
--- /dev/null
+++ b/php/tests/ClientRequestTest.php
@@ -0,0 +1,46 @@
+<?php
+namespace Desenvolvimento;
+
+use Desenvolvimento\ClientRequest;
+
+class ClientRequestTest extends \PHPUnit_Framework_TestCase
+{
+	public function testProcessRequestFail(  )
+	{
+		
+		$clientRequest = new ClientRequest(  );
+		$date = "0000000000";
+		$this->assertEquals( false, $clientRequest->processRequest( $date ) );
+		
+	}
+	
+	public function testGetUrlRequestCotation(  )
+	{
+		
+		$clientRequest = new ClientRequest(  );
+		$url_request   = 'https://olinda.bcb.gov.br/olinda/servico/PTAX/versao/v1/odata/CotacaoDolarDia(dataCotacao=@dataCotacao)';
+		$url_request  .= "?@dataCotacao='07-20-2018'";
+		$url_request  .= '&$top=100&$format=json';
+		
+		$date = "07-20-2018";
+		$url_request_cotation = $clientRequest->getUrlRequestCotation( $date );
+		$this->assertEquals( $url_request, $url_request_cotation );
+		
+	}
+	
+	public function testProcessRequestSuccess(  )
+	{
+		
+		$clientRequest = new ClientRequest(  );
+		$url_request   = 'https://olinda.bcb.gov.br/olinda/servico/PTAX/versao/v1/odata/CotacaoDolarDia(dataCotacao=@dataCotacao)';
+		$url_request  .= "?@dataCotacao='07-20-2018'";
+		$url_request  .= '&$top=100&$format=json';
+		
+		$date = "07-20-2018";
+		$response = $clientRequest->processRequest( $date );
+		$this->assertNotEmpty( $response );
+		$this->assertArrayHasKey( "value", $response );
+		
+	}
+	
+}
\ No newline at end of file
diff --git a/php/tests/DispatcherTest.php b/php/tests/DispatcherTest.php
new file mode 100644
index 0000000..51b41a1
--- /dev/null
+++ b/php/tests/DispatcherTest.php
@@ -0,0 +1,67 @@
+<?php
+namespace Desenvolvimento;
+
+use Desenvolvimento\ClientRequest;
+use Desenvolvimento\DollarQuotation;
+use Desenvolvimento\Dispatcher;
+use Desenvolvimento\Route\Get\Php\Brlusd;
+
+class DispatcherTest extends \PHPUnit_Framework_TestCase
+{
+	
+	
+	private $dependencyManager;
+	
+	private $dispatcher;
+	
+	public function setUp( )
+	{
+	
+		$dependencyContainer     = new \Pimple\Container( );
+		$this->dependencyManager = new DependencyManager( $dependencyContainer );
+		$this->dispatcher        = new Dispatcher( $this->dependencyManager );
+		
+		
+	}
+	
+	
+	public function testGetRoutes(  )
+	{
+
+		$info_routes = [ 
+						"GET" => [ 
+							"/php/brl-usd.php", 
+							"/php/orders.php", 
+						],
+						"POST" => [ "/php/orders.php" ]
+				  ];
+
+				  
+		$this->assertEquals( $info_routes, $this->dispatcher->getRoutes( ) );
+		
+	}
+		
+	public function testGetPathResource(  )
+	{
+		$path_root_request = "/php/brl-usd.php";
+		$request_method    = "get";
+		$path_resource     = "Desenvolvimento/Route/Get/Php/Brlusd";
+		
+		$this->assertEquals( $path_resource, $this->dispatcher->getPathResource( $path_root_request, $request_method ) );
+		
+	}
+	
+	public function testDispatch(  )
+	{
+		$path_root_request = "/php/brl-usd.php";
+		$request_method    = "GET";
+		$path_resource     = "Desenvolvimento/Route/Get/Php/Brlusd";
+		$client_request    = new ClientRequest(  );
+		$dollar_quotation    = new DollarQuotation( $client_request );
+		$instance_controller = new Brlusd( $dollar_quotation );
+		$this->assertEquals( $instance_controller, $this->dispatcher->dispatch( $path_root_request, $request_method ) );
+		
+	}
+	
+	
+}
\ No newline at end of file
diff --git a/php/tests/DollarQuotationTest.php b/php/tests/DollarQuotationTest.php
new file mode 100644
index 0000000..34a0d65
--- /dev/null
+++ b/php/tests/DollarQuotationTest.php
@@ -0,0 +1,64 @@
+<?php
+namespace Desenvolvimento;
+
+use Desenvolvimento\ClientRequest;
+use Desenvolvimento\DollarQuotation;
+
+class DollarQuotationTest extends \PHPUnit_Framework_TestCase
+{
+	
+	private $clientRequest;
+	
+	public function setUp( )
+	{
+	
+		$this->clientRequest = new ClientRequest( );
+	}
+	
+	public function testGetClientRequest(  )
+	{
+
+		$dollarQuotation = new DollarQuotation( $this->clientRequest );
+		$this->assertEquals( $this->clientRequest, $dollarQuotation->getClientRequest( ) );
+		
+	}
+		
+		
+	public function testGetADollarQuotationPerDayIn07202018Fail(  )
+	{
+
+		$dollarQuotation = new DollarQuotation( $this->clientRequest );
+		$date = "0000000000";
+		
+		$result_cotation = $dollarQuotation->getADollarQuotationPerDay( $date );
+		$this->assertArrayHasKey( "usd", $result_cotation );
+		$this->assertEmpty( 0, $result_cotation[ "usd" ] );
+		
+		
+	}
+	
+	public function testGetADollarQuotationPerDayIn07202018Success(  )
+	{
+
+		$dollarQuotation = new DollarQuotation( $this->clientRequest );
+		$date = "07-20-2018";
+		
+		$result_cotation = $dollarQuotation->getADollarQuotationPerDay( $date );
+		$this->assertTrue( is_array( $result_cotation ) );
+		
+		$this->assertTrue( is_array( $dollarQuotation->getADollarQuotationPerDay( $date ) ) );
+		
+	}
+	
+	public function testGetDollarCotation( )
+	{
+		$dollarQuotation = new DollarQuotation( $this->clientRequest );
+		$date = "07-20-2018";
+		
+		$result_cotation = $dollarQuotation->getDollarCotation( $date );
+		$this->assertEquals( 0.26, $result_cotation );
+	}
+	
+	
+	
+}
\ No newline at end of file
diff --git a/php/tests/OrderTest.php b/php/tests/OrderTest.php
new file mode 100644
index 0000000..69b25c0
--- /dev/null
+++ b/php/tests/OrderTest.php
@@ -0,0 +1,82 @@
+<?php
+namespace Desenvolvimento;
+
+use Desenvolvimento\Order;
+
+class OrderTest extends \PHPUnit_Framework_TestCase
+{
+	
+	private $fileSystemCache;
+	
+	private $order;
+	
+	private $clientRequest;
+	
+	private $dollarQuotation;
+	
+	public function setUp( )
+	{
+	
+		$this->fileSystemCache = new \FileSystemCache( );
+		$this->order = new Order( $this->fileSystemCache );
+		$this->clientRequest = new ClientRequest( );
+		$this->dollarQuotation = new DollarQuotation( $this->clientRequest );
+		$key = $this->fileSystemCache->generateCacheKey('orders');
+		$this->fileSystemCache->invalidate( $key );
+	}
+	
+	public function testGetFileSystemCache(  )
+	{
+
+		$this->assertEquals( $this->fileSystemCache, $this->order->getFileSystemCache( ) );
+		
+	}
+	
+	public function testInsertOrder(  )
+	{
+		$date_time = ( new \DateTime( "now", new \DateTimeZone( "America/Sao_Paulo" ) ) )->format( "Y-m-d H:i:s" );
+		$data_order = [ "id" => 1, "created_at" => $date_time, "total_brl" => 1650, "total_usd" => 429 ];
+		$items      = [ 1000, 500, 150 ];
+		$date = "07-20-2018";
+		
+		
+		$cotation_usd = $this->dollarQuotation->getDollarCotation( $date );
+		$this->assertEquals( $data_order, $this->order->insertOrder( $items, $cotation_usd ) );
+		
+	}
+		
+	
+	public function testGetOrdersEmpty(  )
+	{
+		
+		$orders = [  ];
+		$this->assertEquals( $orders, $this->order->getOrders( ) );
+		
+	}
+	
+	public function testGetOrders(  )
+	{
+		$date_time = ( new \DateTime( "now", new \DateTimeZone( "America/Sao_Paulo" ) ) )->format( "Y-m-d H:i:s" );
+		$data_order1 = [ "id" => 1, "created_at" => $date_time, "total_brl" => 1650, "total_usd" => 429 ];
+		$data_order2 = [ "id" => 2, "created_at" => $date_time, "total_brl" => 1650, "total_usd" => 429 ];
+		$items      = [ 1000, 500, 150 ];
+		$date = "07-20-2018";
+		$orders     = [ $data_order1, $data_order2 ];
+		
+		
+		$cotation_usd = $this->dollarQuotation->getDollarCotation( $date );
+		$this->order->insertOrder( $items, $cotation_usd );
+		$this->order->insertOrder( $items, $cotation_usd );
+		
+		$this->assertEquals( $orders, $this->order->getOrders() );
+	}
+	
+	public function testFindLastOrderId(  )
+	{
+		
+		$this->assertEquals( 1, $this->order->findLastOrderId( ) );
+		
+	}
+	
+	
+}
\ No newline at end of file
diff --git a/pratico.md b/pratico.md
index bf801f2..d713bfa 100644
--- a/pratico.md
+++ b/pratico.md
@@ -5,6 +5,39 @@
 ```js
 // Resposta
 
+"use strict"
+
+class Array {
+	
+	constructor( elements ) {
+		
+		this.setElements( elements )
+	}
+	
+	setElements( elements ) 
+	{
+		if( elements != null ) { 
+			this.elements = elements
+		}else {
+			this.elements = []
+		}
+	}
+	
+	last( ) {
+		
+		if( this.elements.length > 0 ) { 
+			return this.elements[ this.elements.length - 1 ]
+		} else {
+			return undefined;
+		}
+	}
+}
+
+let ar1 = new Array(  )
+let ar2 = new Array( [1, 2, 3, 4, 5] )
+
+console.log( ar1.last(  ) ) //undefined
+console.log( ar2.last(  ) ) //5
 
 // Teste/Exemplos
 const array1 = [1,2,3,4,5,6,7,8,9]
@@ -46,6 +79,108 @@ function getTransactions() {
 
 ```js
 // Resposta
+
+function getTransactions() {
+    return new Promise((resolve, reject) => {
+        fetch(BASE_URL + '/api/transacoes')
+            .then(result => {
+                result.json().then(transactions_result => {
+                    const transactions = []
+
+                    for (let i in transactions_result) {
+                        if (transactions_result[i].realizada)  {
+                            transactions.push({
+                                id: transactions_result[i].id,
+                                value: transactions_result[i].valor,
+                                type: transactions_result[i].valor < 0 ? 'transference' : 'deposit',
+                            })
+                        }
+                    }
+
+                    return resolve(transactions)
+                })
+            })
+            .catch(e => { 
+				return reject(e)
+			})
+    })
+}
+
+// ou
+
+function resolvePromiseFetchResult( result ) {
+	
+	
+	return new Promise((resolve, reject) => {
+		
+		if( !result ) {
+			
+			return reject( "Invalid result" )
+		}
+
+        return resolve( result.json() )
+    });
+}
+
+function buildArraySuccessfully( arrayTransactionsResult ) {
+	
+	
+	
+	return new Promise((resolve, reject) => {
+		
+		if( !arrayTransactionsResult ) {
+		
+			return reject( "Invalid array transaction result" )
+			
+		}
+
+		let transactions = []
+		
+		for (let i in arrayTransactionsResult) {
+			
+			if (arrayTransactionsResult[i].realizada)  {
+				transactions.push({
+					id: arrayTransactionsResult[i].id,
+					value: arrayTransactionsResult[i].valor,
+					type: arrayTransactionsResult[i].valor < 0 ? 'transference' : 'deposit',
+				})
+			}
+		}
+
+		return resolve(transactions)
+		
+    });
+	
+}
+
+
+
+function getTransactions2(  ) { 
+	
+	return new Promise((resolve, reject) => {
+        
+        const url = BASE_URL + '/api/transacoes';
+		 
+		return resolve( url )
+
+    });
+
+}
+
+
+getTransactions2(  )
+	.then( fetch )
+	.then( resolvePromiseFetchResult )
+	.then( buildArraySuccessfully )
+	.then(
+        (result) => {
+           console.log(result);
+        },
+        
+        (error) => {
+            console.log(`ocorreu o seguinte erro: [ ${error} ]`);
+        });
+
 ```
 
 ---
@@ -158,6 +293,22 @@ function login($username, $password) {
 
 ```php
 // Resposta
+
+function login($username, $password) {
+	
+    $sql = "
+        select * 
+        from users 
+        where username = :username AND password = :password
+    ";
+
+	$sth = $dbh->prepare( $sql );
+	$sth->execute(array(':username' => $username, ':password' => $password));
+	$user = $sth->fetch(PDO::FETCH_ASSOC);
+
+    return $user;
+	
+}
 ```
 
 ---
@@ -240,4 +391,4 @@ Content-Type: applicaton/json
     "totalBRL": 1650,
     "totalUSD": 435.84
 }]
-```
\ No newline at end of file
+```
diff --git a/teorico.md b/teorico.md
index 8900235..fb5c032 100644
--- a/teorico.md
+++ b/teorico.md
@@ -2,33 +2,62 @@
 
 1\) Qual a diferença do operador `==` para o operador `===` em JavaScript?
 
-[Resposta]
+[O operador `==` avalia se dois elementos em comparação contem um mesmo valor enquanto que o operador `===` avalia alem de se dois elementos em comparação possuem o mesmo valor e o mesmo tipo.]
 
 1.1) Dê 2 exemplos de quando os operadores produziriam resultados diferentes
 
 ```js
 // Resposta
+
+//Exemplo1:
+let first_element = 20
+let second_element  = "20"
+
+console.log( first_element == second_element ) 
+// irá imprimir `true` pois ambos os elementos comparativos tem o mesmo valor
+console.log( first_element === second_element )
+// irá imprimir `false` pois ambos os elementos comparativos tem o mesmo valor, mas não tem o mesmo tipo
+
+//Exemplo2:
+let first_element = 50
+let second_element  = "50"
+
+console.log( first_element == second_element ) 
+// irá imprimir `true` pois ambos os elementos comparativos tem o mesmo valor
+console.log( first_element === second_element ) 
+// irá imprimir `false` pois ambos os elementos comparativos tem o mesmo valor, mas não tem o mesmo tipo
+
 ```
 
 ---
 
-2\) Qual recurso javascript é mais recomendado para tratar chamadas asíncronas?
+2\) Qual recurso javascript é mais recomendado para tratar chamadas assíncronas?
 
-[Resposta]
+[Promises]
 
 2.1) Justifique
 
-[Resposta]
+[Existem dois recursos bem famosos para tratrar chamadas assíncronas em javascript, são eles callbacks e promises, porém
+os promises são mais recomendados para o tratamento de chamadas assíncrona, pois permite escrever o código como se fosse 
+síncrono diferente dos callbacks que geram chamadas dentro funções para utilizar o valor processado de uma função em
+outra chamada interna, e isso pode torna dificil o entendimento e manutenção, e testabilidade. 
+Com promises o fluxo de chamadas é controlado após a resulução das promessas com o metodo then, e ainda podemos tratar 
+o fluxo de execução através dos parametros resolve e reject da promises.]
 
 ---
 
 3\) Existem threads em Node?
 
-[Resposta]
+[Sim]
 
 3.1) Explique
 
-[Resposta]
+[O node é single thread, porem utiliza de uma arquitetura conhecida como event drive, para fazer um enfileiramento de tarefas, 
+que são pequenos processamentos ou seja execuções de callbacks ou resolução de promises através de um fluxo controlado pelo 
+elemento conhecido como event loop. Este fluxo quebra o processamento de determinada rotina, script ou requisição em tasks 
+que são enfileiradas em uma task queue e são executas uma a uma dentro de uma unica stack ou seja ao final da execução de 
+uma task a proxima task na fila é adicionada na pilha de execução e o event loop segue seu fluxo executando varias de tasks,
+utilizando-se de uma single thread sem a necessida de grande capacidade computacional do servidor.]
 
 ---
 
@@ -51,7 +80,9 @@ getUserByName('jonh doe')
     .then(user => console.log(user))
 ```
 
-[Resposta]
+[O resultado é `undefined`, pois o fluxo de execução assincrono do javascript impede que um valor seja utiliza antes da 
+resolução de uma função, ou seja para que fosse possível utilizar o userId, seria necessário realizar mudanças no 
+código. ]
 
 4.2)
 ```js
@@ -76,9 +107,10 @@ getData()
     })
 ```
 
-```
-[Resposta]
-```
+
+[O resultado é `second`, pois a promise resultante do método getData é reijada, pelo fato da chamada do método não passar,
+ o parametro como é definido no ato da assinatura do método `getData(id)`. ]
+
 
 ---
 
@@ -86,29 +118,51 @@ getData()
 
 1\) Qual a diferença do operador `==` para o operador `===` em PHP?
 
-[Resposta]
+[O operador `==` avalia se dois elementos em comparação contem um mesmo valor enquanto que o operador `===` avalia alem de se dois elementos em comparação possuem o mesmo valor e o mesmo tipo.]
 
 1.1) Dê 2 exemplos de quando os operadores produziriam resultados diferentes
 
 ```php
 // Resposta
+//Exemplo1:
+$first_element = 20;
+$second_element  = "20";
+
+var_dump( $first_element == $second_element ) ;
+// irá imprimir `true` pois ambos os elementos comparativos tem o mesmo valor
+var_dump( $first_element === $second_element ) ;
+// irá imprimir `false` pois ambos os elementos comparativos tem o mesmo valor, mas não tem o mesmo tipo
+
+//Exemplo2:
+$first_element = 50;
+$second_element  = "50";
+
+var_dump( $first_element == $second_element ) ;
+// irá imprimir `true` pois ambos os elementos comparativos tem o mesmo valor
+var_dump( $first_element === $second_element ) ;
+// irá imprimir `false` pois ambos os elementos comparativos tem o mesmo valor, mas não tem o mesmo tipo
 ```
 
 ---
 
 2\) Qual a função do apache ou nginx em uma aplicação PHP?
 
-[Resposta]
+[O apache ou nginx são servidores web, que tratam requisições e respostas de scripts  de uma aplicação construída 
+em alguma linguagem como php, por exemplo. Além disso o apache e nginx, permitem realiza configurações 
+no servidor que roda uma aplicação web.]
 
 ---
 
 3\) Existem threads em PHP?
 
-[Resposta]
+[Sim]
 
 3.1) Explique
 
-[Resposta]
+[Para utilizar o recurso de threads no php é necessário instalar um modulo chamado pthreads, este módulo 
+possibilita criar classes que extendem a classe abstrata Thread, para ter suas próprias classes de manipulação de
+threads personalizadas é necessários implementas o método principal `run`, dentre outros para utilzar os recursos
+ de threads em php.]
 
 ---
 
@@ -123,7 +177,8 @@ class Test {
 echo Test::prop;
 ```
 
-[Resposta]
+[1337, pois constantes declaradas utilizando chave `const` permitem o uso de expressoes que produzem valores
+escalares como um inteiro por exemplo, seja armazenado em seu conteúdo.  ]
 
 4.2)
 ```js
@@ -146,4 +201,6 @@ class B extends A {
 B::test();
 ```
 
-[Resposta]
\ No newline at end of file
+[O resuldado será a impressao da string `bar` pois a chamada do metodo estático `test` chama o método `foo`
+ utilizando a palavra chave `self` associado ao operador de resolução de escopo `::`, se fosse utilizado a
+ a palavra chave `static` associado ao operador de resolução de escopo `::`, o resultado seria: `baz`]