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Request #60831 Optimization
Submitted: 2012-01-21 14:09 UTC Modified: 2012-01-21 14:43 UTC
Votes:1
Avg. Score:5.0 ± 0.0
Reproduced:0 of 0 (0.0%)
From: iivanov2 at yahoo dot com Assigned:
Status: Not a bug Package: *Programming Data Structures
PHP Version: 5.4.0RC6 OS: no matter
Private report: No CVE-ID: None
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From: iivanov2 at yahoo dot com
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 [2012-01-21 14:09 UTC] iivanov2 at yahoo dot com 
Description:
------------
First sorry for my English, it's not perfect.

In this case
if($a==1 and $b==2)
{
echo 'hello there';
}

I think $b==2 checking is unnecessary if $a==1 it's not true.
PHP will be faster.

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 [2012-01-21 14:43 UTC] dtajchreber@php.net
-Status: Open +Status: Bogus
 [2012-01-21 14:43 UTC] dtajchreber@php.net 
PHP already does this. 

[1] http://us.php.net/manual/en/language.operators.logical.php
[2] http://en.wikipedia.org/wiki/Short-circuit_evaluation
 
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