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<?php $allowed_types = ['jpg', 'jpeg']; $files = [ "C:/xampp/htdocs/blog/media/images/1597335125_1.jpg", "C:/xampp/htdocs/blog/media/images/jpeg_2.gif", "C:/xampp/htdocs/blog/media/images/1597335125_3.jpeg", "C:/xampp/htdocs/blog/media/images/1597335125_4.jpg", "C:/xampp/htdocs/blog/media/images/jpg_5.png", ]; if ($disallowed = preg_grep('/(' . implode('|', $allowed_types) . ')$/i', $files, PREG_GREP_INVERT)) { var_export($disallowed); }
Output for git.master, git.master_jit, rfc.property-hooks
array ( 1 => 'C:/xampp/htdocs/blog/media/images/jpeg_2.gif', 4 => 'C:/xampp/htdocs/blog/media/images/jpg_5.png', )

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