Problems with a PHP string

Question

I'm having some very odd and serious problems with a string...

For some reason, certain characters in a string are not passing through any functions correctly, and only in one PHP file (it works fine on other pages).

I had something working two days ago, but now there are problems.

For example, I have a string that looks like this:

http://example.com/v/asd238

I'm trying to change it to be something like this:

http://example.com/first/second/v/asd238

So I had this before:

preg_replace('/http\:\/\/example\.com\/([v|u]*)\/([a-z0-9]*)/i', 'http://example.com/first/second/v/$1/$2');

But for some reason the ':' and '.' make function basically do nothing. Even on functions like strpos() or str_replace().

I'm wondering why, if I even escape the two with '\', what is going on? I can't even remotely figure out why I'm having this problem.

So str_replace('/v/', '/first/second/v/', $url) wouldn't work? — Jared Farrish
– Jared Farrish, Commented Sep 9, 2012 at 21:11

Ties · Accepted Answer · 2012-09-09 21:28:30Z

1

I think this is the best way to do it:

str_replace('http://example.com/', 'http://example.com/first/second/', $url);

11 Comments

sackbot14 Over a year ago

Well yes, but as I said, for some odd reason, the time that ':' is in the string, the function does nothing. For example, str_replace('http', 'ftp', $url) works, but not str_replace('http:', 'ftp:', $url)

Jared Farrish Over a year ago

@sackbot14 - Ties has an error in the way that str_replace() is called, but it works: codepad.org/0HnGGY9O (EDIT: Or at least the way that count is given: codepad.org/BVsSzqtn)

Jared Farrish Over a year ago

@sackbot14 - And here's your other comment-given example: codepad.org/CwdtVLzy

Ties Over a year ago

yeah i was reading the docs wrongly... my bad. the count parameter has to be a variable. this is because it is given the value of the number of replacements made.

Jared Farrish Over a year ago

@sackbot14 - I'm not seeing an entity here for the colon: codepad.org/9nHeyW0L

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