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<?php function getArray() { return [1, 2, 3]; } function squareArray(array &$a) { foreach ($a as &$v) { $v **= 2; } } // Generates a warning in PHP 7. squareArray((getArray()));
Output for git.master, git.master_jit, rfc.property-hooks
Notice: Only variables should be passed by reference in /in/HYONN on line 14

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