Online PHP editor | refs for AZ9Mb

<?php $a = "define('DB_PASSWORD', '12345')"; $b = 'define("DB_PASSWORD", "12345")'; $c = 'DEFINE("DB_PASSWORD", "12345")'; $d = "DEFINE('DB_PASSWORD', '12345')"; echo preg_replace('/define\([\'\"]db_password[\'\"],\s*[\'\"]123456[\'\"]/', 'define("DB_PASSWORD", "123456")', $a);