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<?php $opt1 = array( array( 'title' => "damn" ), array( 'title' => "php" ), array( 'title' => "fucks" ), array( 'title' => "up" ), array( 'title' => "my" ), array( 'title' => "code" ), ); $opt2 = array( ); array_udiff($opt1, $opt2, function($e1, $e2){ echo "1";var_dump($e1); echo "2";var_dump($e2); });
Output for git.master, git.master_jit, rfc.property-hooks
1array(1) { ["title"]=> string(4) "damn" } 2array(1) { ["title"]=> string(3) "php" } 1array(1) { ["title"]=> string(3) "php" } 2array(1) { ["title"]=> string(5) "fucks" } 1array(1) { ["title"]=> string(5) "fucks" } 2array(1) { ["title"]=> string(2) "up" } 1array(1) { ["title"]=> string(2) "up" } 2array(1) { ["title"]=> string(2) "my" } 1array(1) { ["title"]=> string(2) "my" } 2array(1) { ["title"]=> string(4) "code" } 1array(1) { ["title"]=> string(4) "damn" } 2array(1) { ["title"]=> string(3) "php" } 1array(1) { ["title"]=> string(3) "php" } 2array(1) { ["title"]=> string(5) "fucks" } 1array(1) { ["title"]=> string(5) "fucks" } 2array(1) { ["title"]=> string(2) "up" } 1array(1) { ["title"]=> string(2) "up" } 2array(1) { ["title"]=> string(2) "my" } 1array(1) { ["title"]=> string(2) "my" } 2array(1) { ["title"]=> string(4) "code" }

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