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<?php function get(&$var, $default = null) { return isset($var) ? $var : $default; } $arr = array( "a" => array("a1" => "av1", "a2" => "av2"), "b" => null ); var_dump($arr); $v = get($arr["b"]["b1"]); var_dump($arr);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { ["a"]=> array(2) { ["a1"]=> string(3) "av1" ["a2"]=> string(3) "av2" } ["b"]=> NULL } array(2) { ["a"]=> array(2) { ["a1"]=> string(3) "av1" ["a2"]=> string(3) "av2" } ["b"]=> array(1) { ["b1"]=> NULL } }

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