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<?php function a(&$a, &$b, &$c) { $a = 42; } $r = 1; $foo = [&$r, 2, 3]; $bar = [3, 4, 5]; // this does not make the zvals referenced. a($foo[0], $foo[1], $foo[2]); $diff = array_diff($foo, $bar); $foo[0] = 'hi'; var_dump($diff);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> &string(2) "hi" [1]=> int(2) }

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