<?php $a = array("a" => 1,"b" => array(1,2,3)); $b = array("a" => "x"); $c = array(1,2,3); $x = array($a,$b,$b,$c); $y = array($a,$b); echo json_encode(array_intersect(array_map("json_encode",$a),array_map("json_encode",$b)));
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