<?php 
 
/* 
 * This file is part of the Symfony package. 
 * 
 * (c) Fabien Potencier <[email protected]> 
 * 
 * For the full copyright and license information, please view the LICENSE 
 * file that was distributed with this source code. 
 */ 
 
use Symfony\Polyfill\Php55 as p; 
 
if (PHP_VERSION_ID < 50500) { 
    if (!function_exists('boolval')) { 
        function boolval($val) { return p\Php55::boolval($val); } 
    } 
    if (!function_exists('json_last_error_msg')) { 
        function json_last_error_msg() { return p\Php55::json_last_error_msg(); } 
    } 
    if (!function_exists('array_column')) { 
        function array_column($array, $columnKey, $indexKey = null) { return p\Php55ArrayColumn::array_column($array, $columnKey, $indexKey); } 
    } 
    if (!function_exists('hash_pbkdf2')) { 
        function hash_pbkdf2($algorithm, $password, $salt, $iterations, $length = 0, $rawOutput = false) { return p\Php55::hash_pbkdf2($algorithm, $password, $salt, $iterations, $length, $rawOutput); } 
    } 
} 
 
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