Comparing and finding matched elements from an array

Often it comes to requirement when we need to compare and return matched set of values from an array. Exm: Suppose we have an array like $array=array(‘audios/2015/01/audio_54c74d9d8b2bf__pd.m4a’, ‘audios/2015/01/audio_54c74d9d8b47e__pd.m4a’, ‘videos/2015/01/videos_54c75416c186d__pd.mp4’, ‘images/image_55c2fef42332.jpg’, ‘images/image_tt.jpg’, ‘videos/video_tt.jpg’ ) WE want to find images that start…