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<?php $arr = array(); $arr["a"] = array("c" => "A"); $arr["b"] = array("d" => "B"); /*$str = array_filter($arr, function($e1){ echo $e1; return $e1; });*/ $str = array_search("A", $arr); var_dump($str); var_dump(in_array(array("c" => "A"), $arr));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.25, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
bool(false) bool(true)

preferences:
220.34 ms | 405 KiB | 323 Q