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Re: Extract any URL from any string?

Posted by deko on 02/11/07 08:57

geturl 2.0...

> 1. Increase the error_reporting level and you will find some sloppy notices

so I have a few undefined variables... I thought this did not matter with PHP
(script vs. compiled code)

> 2. Have a look at parse_url(), which might be useful

well, if urlString = http://netforex.subdomain.net.foo'>, parse_url() returns:
netforex.subdomain.net.foo'> - which is not much help. Nevertheless, I'm using
it on line 79 for validation - but I think it would be better validation if I
could do this:
if ($urlLink = parse_url($urlLink))
{
return $urlLink['host'];
}
??

> 3. Use preg_* functions instead of POSIX ereg* function (performance)

I was able to replace an eregi with preg_match on lines 18 and 29, but unsure of
the syntax for line 44 ... suggestions?

> 4. Strings like the following cause infinite loops:
>
> getURL('fofo http://discovery.co.uk/../foo');

fixed! see line 38.

- - - - -

I'm wondering how much of a hack that for loop is (lines 26 - 53). Seems to
work okay...

 

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