A modified function that automatically converts URLs and emails. It has powerful functions.

It can be converted
And mail
And start with www
Good.
Function enable_urls ($ str ){
$ Str = ereg_replace ("(www. [a-zA-Z0-9 @: % _.~ #-? &] +) "," \ 1 ", $ str); // automatically converts the link starting with www
$ Str = ereg_replace ("(f | ht) {1} tp: //) [a-zA-Z0-9 @: % _.~ #-? &] +) "," \ 1 ", $ str); // convert the link starting with http: // and starting with ftp: //
$ Str = str_replace (LINKttp: //, http: //, $ str );
$ Str = ereg_replace ("([_. 0-9a-z-] + @ ([0-9a-z] [0-9a-z-] + .) + [a-z] {2, 3}) "," \ 1 ", $ str); // convert the email address
Return $ str;
}
?>