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<?php function getArray($temp) { return $temp; //return [1, 2, 3]; } function squareArray(array &$a) { foreach ($a as &$v) { $v *= 2; } } $temp = [1, 2, 3]; // Generates a warning in PHP 7. $tempA = getArray($temp); print_r(squareArray((getArray($temp))));
Output for git.master, git.master_jit, rfc.property-hooks
Notice: Only variables should be passed by reference in /in/RkpRh on line 17

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