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<?php $A = ["key 1"=>"val 1", "key 2"=>"val 2", "key 3"=>"val 3"]; $B = ["key 2"=>"val 2"]; foreach($A as $key=>$val) { $myval = array_key_exists($key,$B) ? $B[$key] : 0; } var_dump($B);
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["key 2"]=> string(5) "val 2" }

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