Correct, the third parameter is for the number of characters to read, nothing means entire string.
Function details can be found here: http://download.php.net/manual/en/function.substr.php > > How about: > > > > if (substr($url,0,7) <> "http://") > > $url = "http://" . $url; > > Thanks! > > That´s just the function i am looking for. I looked it up in the manual. > Correct me if i am wrong - if i don´t set the second parameter in substr it > just continues to read until the variable is finished? If i set it to 7 (as > above) it stops reading after 7 characters? > > - Daniel > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] > To contact the list administrators, e-mail: [EMAIL PROTECTED] -- PHP General Mailing List (http://www.php.net/) To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED] To contact the list administrators, e-mail: [EMAIL PROTECTED]