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Bugs & Features
<?php var_dump(array_filter(array_map('imageFilename', array())));
Output for 5.3.4 - 7.1.0
Warning: array_map() expects parameter 1 to be a valid callback, function 'imageFilename' not found or invalid function name in /in/57Bvu on line 4 Warning: array_filter() expects parameter 1 to be array, null given in /in/57Bvu on line 4 NULL
Output for 5.2.15 - 5.2.17
Warning: array_map(): The first argument, 'imageFilename', should be either NULL or a valid callback in /in/57Bvu on line 4 Warning: array_filter(): The first argument should be an array in /in/57Bvu on line 4 NULL