awligon
August 30th, 2003, 06:16 AM
someFile.php
<?php
require 'processMessage.php';
$message = "some message from db or from get or post blah...";
$newMsg = processMessage($message);
echo $newMsg;
?>
processMessage.php
<?php
#--------------------------------------------------------------#
# PHP to parse URL's and email addresses before insertion into
# SQL database. Accepts a single string and returns a string.
#--------------------------------------------------------------#
//begin function to parse accepting a string
function processMessage($tempMessage)
{
if($tempMessage)
{
#--------------------------------------------------------------
# check for url's
#--------------------------------------------------------------
// check to see if the string contains the letters 'www'
if(stristr($tempMessage, "www"))
{
// create empty string to append to
$newMessage = "";
// if so, explode the string into an array at each space
$messageArray = explode(" ", $tempMessage);
// step through array
foreach($messageArray as $word)
{
//check to see if word contains www
if (stristr($word, "www") === false)
{
// if not, append it to the new string
$newMessage .= " " . $word;
}
else
{
// if so, strip the 'http://' off of it if included
$word = stristr($word, "www");
// format into a hyperlink (modify target frame)
$word = "<a href=http://$word target=_blank>$word</a>";
// append to new string
$newMessage .= " " . $word;
}
}
// set equal to another var
$emailMessage = $newMessage;
}
// if 'www' is not in the string...
if(!stristr($tempMessage, "www"))
{
// set to another var and move on
$emailMessage = $tempMessage;
}
#--------------------------------------------------------------
# Check for email's
#--------------------------------------------------------------
// check string for '@' and '.' to see if it includes an email address
if(stristr($emailMessage, "@") && stristr($emailMessage, "."))
{
// explode it if it does contain one
$messageArray = explode(" ", $emailMessage);
// create empty string to append to
$tempMessage = " ";
// step through array
foreach($messageArray as $word)
{
// if the word is not an email address, append and move on
if (stristr($word, "@") === false)
{
$tempMessage .= " " . $word;
}
// if it is, format it and append
else{
$word = "<a href=mailto:$word?subject=Waddup>$word</a>";
$tempMessage .= " " . $word;
}
}
}
// else if no email addy in string set to var
else
{
$tempMessage = $emailMessage;
}
// return the resultant string with URL's and emails formatted to hyperlinks
return $tempMessage;
}
}
?>