-1 is the index of the char number you want to examine. http://www.php.net/manual/en/function.substr.php
So that code is checking the last char of the string to see if its ".", if it is, it returns everything *except* the ".". Please consult the online manual in the future... it wants to be your friend. --- Scott Hurring Systems Programmer EAC Corporation [EMAIL PROTECTED] Voice: 201-462-2149 Fax: 201-288-1515 > -----Original Message----- > From: r [mailto:[EMAIL PROTECTED]] > Sent: Wednesday, May 22, 2002 2:51 AM > To: [EMAIL PROTECTED] > Subject: [PHP] substr....what does this mean? (newbie) > > > Hi ppl, > Can you tell me what does this mean? > > if (substr($text, -1) == ".") > {$test = substr($text, 0, -1);} > > I know the if part searches the $text from the starting for the "." > I am just confused about what the second and third arguement > does in the > substr. (Second line) > > I know that this is an easy question for you PHP guys out there, > and I know i will get an answer, > so I thank you all in advance. > > Cheers > -Ryan A. > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
