<?php $a = Array ( "a" => "0,1", "b" => "0,0", "c" => "0,2", "d" => "0,3", "e" => "10,2" ); $b = Array ( 1 => "0,3", 2 => "10,2" ); $intersect = array_intersect($a, $b); Var_dump($intersect); Echo "matching keys is: " . Implode(", ", array_keys($intersect));
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