<?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(array("c" => "A"), $arr); var_dump($str); var_dump(in_array("A", $arr));
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