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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" ), ); $opt2 = array( array() ); array_udiff($opt1, $opt2, function($e1, $e2){ echo "\n"; echo "1: ";var_dump($e1); echo "\n"; echo "2: ";var_dump($e2); echo "\n"; echo "3: ";var_dump($e3); });
Output for git.master, git.master_jit, rfc.property-hooks
1: array(1) { ["title"]=> string(4) "damn" } 2: array(1) { ["title"]=> string(3) "php" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(3) "php" } 2: array(1) { ["title"]=> string(5) "fucks" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(5) "fucks" } 2: array(1) { ["title"]=> string(2) "up" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(2) "up" } 2: array(1) { ["title"]=> string(2) "my" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(2) "my" } 2: array(1) { ["title"]=> string(4) "code" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(4) "damn" } 2: array(0) { } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(4) "damn" } 2: array(1) { ["title"]=> string(3) "php" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(3) "php" } 2: array(1) { ["title"]=> string(5) "fucks" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(5) "fucks" } 2: array(1) { ["title"]=> string(2) "up" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(2) "up" } 2: array(1) { ["title"]=> string(2) "my" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL 1: array(1) { ["title"]=> string(2) "my" } 2: array(1) { ["title"]=> string(4) "code" } 3: Warning: Undefined variable $e3 in /in/iEAVu on line 32 NULL

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