Re: How expensive are function_exists() calls?
| From: | Kenan Sulayman | Date: | Wed, 04 Mar 2009 13:07:07 +0000 |
| Subject: | Re: How expensive are function_exists() calls? | ||
| References: | 1 | Groups: | php.internals |
| Request: | Send a blank email to internals+get-43245@lists.php.net to get a copy of this message | ||
Hello Mike!
Depending on how you'd define expensive, it may variate.
Normally, on websites function_exists(x) ain't expensive.
Altrought function_exists needed 0.000077009201049805 seconds to execute.
Do you think, that's pretty expensive ?
Your,
--
(c) Kenan Sulayman
Freelance Designer and Programmer
Life's Live Poetry
2009/3/4 mike <mike503@gmail.com>
> I am trying to figure out a strategy for multiple output formats on a
> site, and it seems like I can have functions defined by default, but
> have them defined -after- I've included the targetted format first.
>
> However that would require
>
> file1.php:
>
> function foo() {}
>
> file2.php
>
> if(!function_exists('foo')) {
> function foo() {}
> }
>
> Is this a very expensive thing to do? There would be a good number of
> functions that would be leveraging this. Is it a no-no? or is it
> pretty cheap?
>
> Thanks
> - mike
>
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