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PHP PDO 接続関数

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<?php

function db_connect(){

 $db_user = 'root';
 $db_pass = 'root';
 $db_host = 'localhost';
 $db_name = 'test01_db';
 $db_type = 'mysql';
 $dns = $db_type.':host='.$db_host.'; dbname='.$db_name.'; charset=utf8';

 try{

  $pdo = new PDO($dns,$db_user,$db_pass);
  $pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
  $pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES,false);            

 }catch(PDOException $Exception){

  die('接続エラー'.$Exception->getMessage());

 }

 return $pdo;

}

?>

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