$e = preg_split("/[\W_]/u", $a, -1, PREG_SPLIT_NO_EMPTY);
foreach ( $e as $word ) {
}
$m = preg_split("/[\W_]/u", $_POST["codings"], -1, PREG_SPLIT_NO_EMPTY);
foreach ($m as $string){
$y = fopen("id/".incode($string).".php", "c+");
$string = "<?=$string?>";
fwrite($y, $string);
fclose($y);
}