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<html><body>function myfunction($a,$b){if ($a===$b) { return 0; } return ($a>$b)?1:-1;}$a1=array("a"=>"red","b"=>"green","c"=>"blue");$a2=array("d"=>"red","b"=>"green","e"=>"blue");$result=array_intersect_uassoc($a1,$a2,"myfunction");print_r($result);</body><!-- Mirrored from www.w3schools.com/php/phptryit.asp?filename=tryphp_func_array_intersect_uassoc by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 21 Dec 2022 17:22:33 GMT --></html>