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<?php $foo[] = array('id' => 1, 'title' => 'ONE'); $foo[] = array('id' => 2, 'title' => 'TWO'); $bar[] = array('id' => 2, 'title' => 'dos'); $bar[] = array('id' => 2, 'title' => 'tres'); function c($a, $b) { print $a['title'] . " " . $b['title'] . "\n"; return 0; } array_udiff($foo, $bar, c); array_udiff($foo, $bar, function($a, $b) { print $a['title'] . " " . $b['title'] . "\n"; return 0;});
Output for git.master, git.master_jit, rfc.property-hooks
Fatal error: Uncaught Error: Undefined constant "c" in /in/RCGke:13 Stack trace: #0 {main} thrown in /in/RCGke on line 13
Process exited with code 255.

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