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