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@ 2017-12-27T22:22:35Z

<?php

class FooBar {
    public static function baz() {
        function isGlobalFunction() {
            echo 'yep';
        }
        
        return true;
    }
}

FooBar::baz();
var_dump(function_exists('isGlobalFunction'));
isGlobalFunction();

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
function_exists: documentation ( source)

preferences:dark modelive preview

30.78 ms | 402 KiB | 5 Q