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<?php $input = array('assets/image/man.jpg', 'assets/image/violin.jpg', 'assets/image/test.txt'); $images = array(); $images_exts = array('jpg','png'); foreach($input as $value) { echo @end(explode('.', $value)); if(in_array(@end(explode('.', $value)), $images_exts)) { $images[] = $value; } } var_dump($images);
Output for git.master, git.master_jit, rfc.property-hooks
jpgjpgtxtarray(2) { [0]=> string(20) "assets/image/man.jpg" [1]=> string(23) "assets/image/violin.jpg" }

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