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php, preg replace help
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Ezra
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O.P. php, preg replace help
I'm making a bookmarks feature for my website, and I got the cookie system and all already working, but when users forget to put a http:// before the link, it will point to my server and make the link useless.

Now I want to make a system that checks the links before they get submitted, and add a http:// if it's missing.

Now i'm thinking that I can use preg replace to do this, but I really don't understand how to use it.

If someone can make a simple sample for me and show me a good tutorial to use preg replace I can get on with my project :).

The php.net page about the function is really lacking good explanation.

TIA
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10-23-2005 11:17 PM
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KeyStorm
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RE: php, preg replace help
You better use substrings for that... tbh
10-23-2005 11:23 PM
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Ezra
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O.P. RE: php, preg replace help
substrings? I'm sorry i'm a php n00b :P
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10-23-2005 11:24 PM
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Stigmata
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RE: php, preg replace help
psuedo..

code:
if left(URL, 7) != "http://" then
URL = "http://" & URL
end if


thats how i would do it...

in php thats something like..

code:
$pos = strpos($URL, "http://");

if ($pos === false) {
   $URL = "http://". $URL . "";
} else {
   echo "its there :D";
}


This post was edited on 10-23-2005 at 11:49 PM by Stigmata.
10-23-2005 11:24 PM
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Ezra
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O.P. RE: php, preg replace help
Ah, thanks a bunch :)

I'm trying substr and that idea of stigmata :)

EDIT: OMGWTFBBQ

I managed to break my script :S

It's gonna take some time to get it working again, but I believe your script is working stigmata, thanks for that.

This post was edited on 10-24-2005 at 12:15 AM by Ezra.
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10-23-2005 11:32 PM
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brian
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RE: php, preg replace help
If you www.pastebin.com'd it.. we could help.
10-24-2005 01:10 AM
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Ezra
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O.P. RE: php, preg replace help
nah, already found it, I made a function and used a return but that caused the rest of the function to stop executing, so I changed it a little :)

And that code from stigmata works great :)

This post was edited on 10-24-2005 at 12:50 PM by Ezra.
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10-24-2005 12:47 PM
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Stigmata
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RE: php, preg replace help
:banana:

good to know i can still code :)
10-24-2005 01:05 PM
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J-Thread
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RE: php, preg replace help
What if I enter this link:

https://www.thisisasafesite.com

It'll be:

http://https://www.thisisasafesite.com

You'd better do:

code:
if (!preg_match("/^[a-z]+:\/\//i", $URL) {
   $URL = "http://". $URL;
}

Should be something like that I think...

This post was edited on 10-24-2005 at 01:24 PM by J-Thread.
10-24-2005 01:24 PM
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Ezra
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O.P. RE: php, preg replace help
I guess that will also allow me to use other protocols like ftp, thats good :)

But could you gice me something that explains that "/^[a-z]+:\/\//i"
So I don't have to ask for it next time :D
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10-24-2005 02:28 PM
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