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@ 2014-03-25T07:49:48Z

<?php
class A {
    public static $test;
}
function customFunction() {
    return 'test';
}
A::$test = 'customFunction';
var_dump(is_callable(A::$test));

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
is_callable: documentation ( source)

preferences:dark modelive preview

36.43 ms | 402 KiB | 5 Q