URLs as Links with Regular Expressions using PHP Function.

URLs as Links with Regular Expressions using PHP Function.



To_Link.php
Contains PHP Code $text value validating with Regular Expressions 

<?php

function To_Link($text)
{
$text = html_entity_decode($text);
$text = " ".$text;
$text = eregi_replace('(((f|ht){1}tp://)[-a-zA-Z0-9@:%_\+.~#?&//=]+)',
'<a href="\\1">\\1</a>', $text);
$text = eregi_replace('(((f|ht){1}tps://)[-a-zA-Z0-9@:%_\+.~#?&//=]+)',
'<a href="\\1">\\1</a>', $text);
$text = eregi_replace('([[:space:]()[{}])(www.[-a-zA-Z0-9@:%_\+.~#?&//=]+)',
'\\1<a href="http://\\2">\\2</a>', $text);
$text = eregi_replace('([_\.0-9a-z-]+@([0-9a-z][0-9a-z-]+\.)+[a-z]{2,3})',
'<a href="mailto:\\1">\\1</a>', $text);
return $text;
}

?>

index.php
You have to include To_link.php. Using function To_Link('You Text and URL')

<?php

include('To_Link.php');

$text='jQuery and Ajax best 9lessons http://tinyurl.com/naottn';

echo To_Link($text);

?>