Online PHP editor | refs for mqAHJ

<?php namespace My\Psr0\SuperNameSpace; function array_keys(array $array) { echo 'This is MY function!' . PHP_EOL; // Backslash for root namespace where php functions are from return \array_keys($array); } class Foo { public function bar() { return array_keys(array('a','b','c')); } } $foo = new Foo(); var_dump($foo->bar());