Re: execution time of ';'

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Andy Pieters wrote:
Hi all

We develop our software with built-in debug handlers that are very talkative. Each class registers itself to a central debug handler. When a conditional define NODEBUG is set, that debughandler just does a return null but obviously it takes time to perform that call.

We are thinking of doing a search/replace on the source to replace all $this->debug('...'); with a ; because if I would replace it with a # it would generate errors in cases like this:

if(conditions ....)
 $this->debug('something...');

asumming replacing the call with ; is valid everywhere it's going to a heck of
a lot faster than calling _any_ function.


So here is the question:

Are there any reasons against doing this kind of replace, or is anyone aware of a better solution?

1. use a debugger rather than writing lots of code that logs tons of 'cr*p'?
2. always use braces? so that you can do:

if(conditions ....) {
#	$this->debug('something...');
}

3. may put special comment markers in your code that allow you
to filter the files when you 'publish' them into a production env.

/*START_DEBUG_BLOCK*/
if(conditions ....)
	$this->debug('something...');
/*END_DEBUG_BLOCK*/

i.e strip the blocks completely:

$newFile = preg_replace( '#/\*START_DEBUG_BLOCK\*/.*/\*END_DEBUG_BLOCK\*/#',
			 '',
		     	 file_get_contents( $yourPhpFile ) );


With kind regards


Andy


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