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<?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());
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.25, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
This is MY function!array(3) { [0]=> int(0) [1]=> int(1) [2]=> int(2) }
Output for 4.4.2 - 4.4.9, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Parse error: syntax error, unexpected T_STRING in /in/Ui9P7 on line 3
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1, 5.0.0 - 5.0.5
Parse error: parse error, unexpected T_STRING in /in/Ui9P7 on line 3
Process exited with code 255.
Output for 4.3.2 - 4.3.4
Parse error: parse error in /in/Ui9P7 on line 3
Process exited with code 255.

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