note 7939 added to String functions
| From: | frk at dagbladet dot no | Date: | Mon, 21 Aug 2000 13:22:42 +0000 |
| Subject: | note 7939 added to String functions | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-2892@lists.php.net to get a copy of this message | ||
// Makes all words starting with http:// clickable
function urls_clickable($string) {
for($n=0; $n < strlen($string); $n++)
{
if(strtolower($string[$n]) == 'h') {
if(!strcmp("http://", strtolower($string[$n]) .
strtolower($string[$n+1]) . strtolower($string[$n+2]) . strtolower($string[$n+3]) . $string[$n+4] .
$string[$n+5] . $string[$n+6])) {
$startpos = $n;
while($n < strlen($string) &&
eregi("[a-z0-9\.\:\?\/\~\-\_\&\=\%\+\'\"]", $string[$n])) $n++;
if(!eregi("[a-z0-9]", $string[$n-1])) $n--;
$link = substr($string, $startpos, ($n-$startpos));
$link = $link;
$string_tmp = $string;
$string = substr($string_tmp, 0, $startpos);
$string .= "<a href=\"$link\">$link</a>";
$string .= substr($string_tmp, $n, strlen($string_tmp));
$n = $n + 15;
}
}
}
return $string;
}
http://www.php.net/manual/ref.strings.php