Re: Header files in PHP

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On 8/21/2014 1:20 PM, Paul M Foster wrote:
Folks:

Over the years, I've heard a lot of back and forth about require_once,
require, include, include_once and he like. Most of it centers around
the CPU time taken to execute these calls.

The "C" way to do something similar is to define a constant in a header
file and then check for its existence in the C code file. In PHP, this
would be roughly like this:

LIBRARY FILE:

define('CONST_DATE', TRUE);

CODE FILE:

if (!defined('CONST_DATE'))
	include('date.lib.php');

Has anyone ever compared execute times to see if something like this
would be "cheaper" than include/require[_once]? Any thoughts on it?

Paul

I dont' understand your question. Basically the use of include/require et al, is to include code from other stand-alone units. It's not just looking for some one little thing such as a constant value to exist. It's using a modular style of programming and putting the pieces together at call time using require/include, etc.

Am I missing the question here?

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