DB Connection using PDO

database/PDO/README.md

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+# Database Connection Using PDO in PHP
+
+## For Database Connection
+
+ `$conn = new PDO("mysql:host=hostname;dbname=dbname, username, password);`
+
+## Prepare Statement for Query
+
+`$statement = $connect->prepare($query);`
+
+## Excute Query 
+
+`$statement->execute($data);`
+
+## Count Row
+
+`$total_row = $statement->rowCount();`
+
+## Fetch Row
+
+`$result = $statement->fetch(PDO::FETCH_ASSOC);`

database/PDO/config.php

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+<?php
+$hostname = "hostname";
+$username = "username";
+$password = "password";
+$db="dbname";
+
+try {
+  $connect = new PDO("mysql:host=$hostname;dbname=".$db, $username, $password);
+  // set the PDO error mode to exception
+  $connect->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
+  //echo "Connected successfully";
+} catch(PDOException $e) {
+  echo "Connection failed: " . $e->getMessage();
+}
+
+?>

database/PDO/index.php

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+<?php 
+include('config.php');
+
+
+$data=array(
+    ':post_status' =>'active'
+  );
+
+  $query=" SELECT * FROM table_name WHERE post_status=:post_status";
+  $statement = $connect->prepare($query);
+  $statement->execute($data);
+  $total_row = $statement->rowCount();
+  if($total_row>0){
+    $result = $statement->fetch(PDO::FETCH_ASSOC);
+    return $result;
+  }
+?>