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Source View: sanitize_file_name_chars

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Line Code
676  *
677  * @since 2.1.0
678  *
679  * @param string $filename The filename to be sanitized
680  * @return string The sanitized filename
681  */
682 function sanitize_file_name( $filename ) {
683      $filename_raw = $filename;
684      $special_chars = array("?", "[", "]", "/", "\\", "=", "<", ">", ":", ";", ",", "'", "\"", "&", "$", "#", "*", "(", ")", "|", "~", "`", "!", "{", "}", chr(0));
685      $special_chars = apply_filters('sanitize_file_name_chars', $special_chars, $filename_raw);
686      $filename = str_replace($special_chars, '', $filename);
687      $filename = preg_replace('/[\s-]+/', '-', $filename);
688      $filename = trim($filename, '.-_');
689
690      // Split the filename into a base and extension[s]
691      $parts = explode('.', $filename);
692
693      // Return if only one extension
694      if ( count($parts) <= 2 )