Online PHP editor | refs for s4a39

<?php $array1 = [ ['sight_id' => 13, 'location' => 'Jodhpur, Rajasthan, India'], ['sight_id' => 14, 'location' => 'Jodhpur Jn, Jodhpur, Rajasthan, India'], ['sight_id' => 15, 'location' => 'D-Kirtinagar, Jodhpur, Rajasthan, India'], ]; $array2 = [ ['sight_id' => 13, 'location' => 'Jodhpur, Rajasthan, India'], ['sight_id' => 14, 'location' => 'Jodhpur Jn, Jodhpur, Rajasthan, India'], ['sight_id' => 16, 'location' => 'Jaisalmer, Rajasthan, India'], ['sight_id' => 17, 'location' => 'Fort Road, Amar Sagar Pol, Jaisalmer, Rajasthan, India'], ]; function rowCompare($a, $b) { return $a <=> $b; } echo "Intersection:\n"; var_export( array_uintersect($array1, $array2, 'rowCompare') ); echo "\nUnique in first:\n"; var_export( array_udiff($array1, $array2, 'rowCompare') ); echo "\nUnique in second:\n"; var_export( array_udiff($array2, $array1, 'rowCompare') );