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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('categoryid' => '31'); $intersect = array_uintersect($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
Fatal error: Uncaught TypeError: Cannot access offset of type string on string in /in/0otZH:16 Stack trace: #0 [internal function]: compareDeepValue(Array, '31') #1 /in/0otZH(11): array_uintersect(Array, Array, 'compareDeepValu...') #2 {main} thrown in /in/0otZH on line 16
Process exited with code 255.

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