From dcade47ca7f5b2f19f726af67d080bfe689421c0 Mon Sep 17 00:00:00 2001
From: Dmitry <mrgames2014@yandex.ru>
Date: Fri, 11 Nov 2022 23:37:16 +0500
Subject: [PATCH 1/3] Luna

---
 index.php | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)
 create mode 100644 index.php

diff --git a/index.php b/index.php
new file mode 100644
index 0000000..dda084f
--- /dev/null
+++ b/index.php
@@ -0,0 +1,31 @@
+<?php
+function isValid($card){
+    $paymentSystem = ["4" => "VISA","5"=>"Mastercard ","220"=>"MIR"];
+
+    $card = str_replace(' ','',$card);
+    $arr = array();
+    for($i = 0; $i < strlen($card); $i++){
+        $arr[$i] = (int)($card[$i]);
+    }
+    for($j = 0; $j < count($arr); $j+=2){
+        $arr[$j]*= 2;
+        if($arr[$j] >= 10){
+            $arr[$j] = $arr[$j] % 10 + intdiv($arr[$j],$arr[$j]%10);
+        }
+    }
+    if(array_key_exists($card[0],$paymentSystem)){
+        $paymentSystem = $paymentSystem[$card[0]];
+    }
+    elseif(array_key_exists(substr($card,0,3),$paymentSystem)){
+        $paymentSystem = $paymentSystem[substr($card,0,3)];
+    }
+    else{
+        $paymentSystem = "UNKNOWN";
+    }
+    $isvalid = (array_sum($arr) % 10 == 0) ? "true" : "false";
+    return ["isValid" => $isvalid, "paymentSystem"=> $paymentSystem];
+
+}
+print_r(isValid("2201 1111 1111 1111"));
+
+?>

From a7c7e3413d18d148cab5fc9c8322ab35200fb71c Mon Sep 17 00:00:00 2001
From: Dmitry <mrgames2014@yandex.ru>
Date: Sat, 12 Nov 2022 00:39:01 +0500
Subject: [PATCH 2/3] version 2

---
 index.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/index.php b/index.php
index dda084f..40f8244 100644
--- a/index.php
+++ b/index.php
@@ -10,7 +10,7 @@ function isValid($card){
     for($j = 0; $j < count($arr); $j+=2){
         $arr[$j]*= 2;
         if($arr[$j] >= 10){
-            $arr[$j] = $arr[$j] % 10 + intdiv($arr[$j],$arr[$j]%10);
+            $arr[$j] = $arr[$j] % 10 + intdiv($arr[$j],10);
         }
     }
     if(array_key_exists($card[0],$paymentSystem)){
@@ -26,6 +26,8 @@ function isValid($card){
     return ["isValid" => $isvalid, "paymentSystem"=> $paymentSystem];
 
 }
-print_r(isValid("2201 1111 1111 1111"));
+$numberOfCard = readline("Введите номер карты:");
+
+print_r(isValid($numberOfCard));
 
 ?>

From 36b7b9ff2f34f23d6f7460bf3f32406d41bd2f4e Mon Sep 17 00:00:00 2001
From: Dmitry <mrgames2014@yandex.ru>
Date: Sat, 12 Nov 2022 00:41:48 +0500
Subject: [PATCH 3/3] version2

---
 .idea/.gitignore  | 8 ++++++++
 .idea/ex1.iml     | 8 ++++++++
 .idea/modules.xml | 8 ++++++++
 .idea/php.xml     | 4 ++++
 .idea/vcs.xml     | 6 ++++++
 5 files changed, 34 insertions(+)
 create mode 100644 .idea/.gitignore
 create mode 100644 .idea/ex1.iml
 create mode 100644 .idea/modules.xml
 create mode 100644 .idea/php.xml
 create mode 100644 .idea/vcs.xml

diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..13566b8
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/ex1.iml b/.idea/ex1.iml
new file mode 100644
index 0000000..c956989
--- /dev/null
+++ b/.idea/ex1.iml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="WEB_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..c176c3a
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/ex1.iml" filepath="$PROJECT_DIR$/.idea/ex1.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/php.xml b/.idea/php.xml
new file mode 100644
index 0000000..7e5d55a
--- /dev/null
+++ b/.idea/php.xml
@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="PhpProjectSharedConfiguration" php_language_level="8.1" />
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file