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<?php $arr1 = array( array('categoryid' => '31;', 'itemname' => 'Math - Quiz #1'), array('categoryid' => '33;', 'itemname' => 'Math - Quiz #2'), array('categoryid' => '35;', 'itemname' => 'Math - Quiz #3'), array('categoryid' => '31;', 'itemname' => 'Math - Quiz #4') ); $arr2 = array( array('categoryid' => '31;', 'itemname' => 'xxx') ); $intersect = array_uintersect($arr1, $arr2, 'compareDeepValue'); print_r($intersect); function compareDeepValue($val1, $val2) { return strcmp($val1['categoryid'], $val2['categoryid']); }
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => Array ( [categoryid] => 31; [itemname] => Math - Quiz #1 ) [3] => Array ( [categoryid] => 31; [itemname] => Math - Quiz #4 ) )

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