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<?php function func(&$val) { return isset($val) ? $val : 123; } $a1 = array(); $val = func($a1['x']); var_dump($val); // int(123) $a2 = array('x' => 987); $val = func($a2['x']); var_dump($val); // int(987)
Output for git.master, git.master_jit, rfc.property-hooks
int(123) int(987)

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