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<?php $foo = ["baz" => 42]; function modify($a) { global $foo; var_dump($a === $foo); $a['hello'] = "world"; var_dump($a === $foo); } modify($foo); var_dump($foo);
Output for git.master, git.master_jit, rfc.property-hooks
bool(true) bool(false) array(1) { ["baz"]=> int(42) }

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