Online PHP editor | refs for p0m5m

<?php function encrypt_decrypt($action, $string, $secret_key, $secret_iv) { $output = false; if (!extension_loaded('openssl')) { return $string; } $encrypt_method = "AES-256-CBC"; // hash $key = hash('sha256', $secret_key); // iv - encrypt method AES-256-CBC expects 16 bytes - else you will get a warning $iv = substr(hash('sha256', $secret_iv), 0, 16); if($action == 'encrypt') { $output = openssl_encrypt($string, $encrypt_method, $key, 0, $iv); $output = base64_encode($output); } else if($action == 'decrypt'){ $output = openssl_decrypt(base64_decode($string), $encrypt_method, $key, 0, $iv); } return $output; } echo encrypt_decrypt('decrypt', 'NElmZ1VlbnhCOXQ4eVlPelI2YWtQbm9MWlZSeU5jV1VZSFJhY0NHc2dSWT0=', ENCRYPTION_KEY, ENCRYPTION_VI);