Directory name legality detection_PHP tutorial

Directory name legality detection
//Directory name legality detection
function isen($str){
$ret="";
for( $i=0;$i $p=ord(substr($str,$i,1));
if(($p<48 & $p!=45 & $p!=46) || ( $p>57 & $p<65) || ($p>90 & $p<97 & $p!=95) || $p>122){
nerror("Does not meet specification!");
}
$ret.=chr($p);
}
return $ret;
}
?>

http://www.bkjia.com/PHPjc/444983.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/444983.htmlTechArticleDirectory name legality detection?php tutorial//Directory name legality detection function isen($str){ $ret =; for($i=0;$i $p=ord(substr($str,$i,1)); if(($p48 $p!=45 $p!=46) || ($p57 $ p65) || ($...