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@ 2015-09-10T21:35:04Z

<?php

define('TEST_CONST', true);


$f1 = function() {
    return extension_loaded('pdo');
};

$f2 = function() {
    return TEST_CONST;
};

$f1();
$f2();




    extension_loaded('pdo');

    TEST_CONST;

Output
Performance
VLD
References
Branches

extension_loaded: documentation ( source)
define: documentation ( source)

preferences:dark modelive preview

52.78 ms | 402 KiB | 5 Q