🚀 go-pugleaf

On Fri, 30 Jun 2000 13:23:37 +0200, "Jose Luis Rodr�guez Sevilla" <joseluis@REMOVEMEferca.com>
wrote:

>> How i can to validate a domain name that only must contain this characters
        $bad_letters=array(
        "!","\"","�","$","%","^","&","*","(",")","+","=","�",
        "`","|","\\",".",",","<",">","?","/","{","}","[","]",
        ":",";","@","'","~","#"," ","�","�"
        );
$min_allowed_len=3;
$max_allowed_len=60;

//----------------------------------------------------------------------------------------------
//Function to check a valid domain name has been entered
//I.E. Under s certain length
//No bad chars
//Note does not do a whois lookup
//Returns BLANK = Empty, TOLARGE, TOSMALL, BADLETTERS, OK
//----------------------------------------------------------------------------------------------
function checkdomain($domainname)
{
//Define Variable for use in this function
        global $bad_letters;
        global $max_allowed_len;
        global $min_allowed_len;

	// if $domainname is blank perform the following
	if ($domainname=="")
                return 'BLANK';
        
        //Check to see if the domain name is to long
        if (strlen($domainname)>$max_allowed_len)
                return 'TOLARGE';

	//Check to see if the domain name is to short
        if (strlen($domainname)<$min_allowed_len)
                return 'TOSMALL';
                
	//search the $domainname for any of the bad letters
        for($i=0; $i<count($bad_letters); $i++)
		// strstr = find (haystack, needle)
	        if (strstr($domainname,$bad_letters[$i]))
		//if it contains bad letters then return with the value bad letters
		        return 'BADLETTERS';
		//if not and is ok then return with OK
	return 'OK';
}

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