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Bug #7113 count and pointers
Submitted: 2000-10-10 04:45 UTC Modified: 2001-01-22 19:28 UTC
From: wico at cnh dot nl Assigned:
Status: Closed Package: Performance problem
PHP Version: 4.0 Latest CVS (10/10/2000) OS: linux
Private report: No CVE-ID: None
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From: wico at cnh dot nl
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 [2000-10-10 04:45 UTC] wico at cnh dot nl 
Hiya

$ADLIB_FILE is a file, size = 9mb

	$ADLIB_DATA = file($ADLIB_FILE);
	$ADLIB_COUNT = count($ADLIB_DATA);
	echo time() - $test . " seconden<BR>\n\n";
	die();

takes 17 secs

	$ADLIB_DATA = file($ADLIB_FILE);
	$ADLIB_COUNT = count(&$ADLIB_DATA);
	echo time() - $test . " seconden<BR>\n\n";
	die();
this takes 27 secs?

shouldn't this be faster the the first one?

Greetz,

Wico

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 [2001-01-22 19:28 UTC] sterling@php.net 
no, it shouldn't--in php yes it should, php4 is pretty smart about this though.  Objects are the only thing where speed increases by pass-by-reference.  otherwise its slower.  But you shouldn't be using references as an optimization anyway...
 
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