#5742: small optimization for r7864
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    Reporter:  dardosordi                                 |         Owner:      
    
        Type:  Optimization                               |        Status:  
reopened
    Priority:  Low                                        |     Milestone:  
1.2.x.x 
   Component:  Controller                                 |       Version:  RC3 
    
    Severity:  Trivial                                    |    Resolution:      
    
    Keywords:  optimization,controller,foreach,array_map  |   Php_version:  n/a 
    
Cake_version:  1.2.0.7692 RC3                             |  
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Comment (by dardosordi):

 Replying to [comment:1 renan.saddam]:
 > We are always trying to increase the performance. This patch will
 increase the legibility but will decrease the performance.[[BR]]

 [[BR]]
 I actually did my own benchmarks, and array_map is faster in my benchmarks
 (but for a small amount). Anyway array_map is used 35 times in the core,
 many of it's usages (11) are exactly as I'm proposing in the patch.
 [[BR]][[BR]]

 This are my results, I can provide you with my test files if you need them
 but actually I used the getMicrotime() function from the cake core and as
 sample data the array of method names from
 get_class_methods('Controller').

 {{{

 $a1 = array_map('strtolower', $a1); v.s. foreach ($a1 as $k => $v) {
 $a1[$k] = strtolower($v); }


 Iteration       foreach         array_map
 --------------------------------------------
 1       0.00019503              0.00017715
 2       0.00019383              0.00018716
 3       0.00021005              0.00021005
 4       0.00019693              0.00018096
 5       0.00019598              0.00017905
 6       0.00019789              0.00019097
 7       0.00019503              0.00017500
 8       0.00022793              0.00044584
 9       0.00019598              0.00018501
 10      0.00019312              0.00018692
 11      0.00019598              0.00018501
 12      0.00020003              0.00018883
 13      0.00019908              0.00018311
 14      0.00020289              0.00018096
 15      0.00019789              0.00017691
 16      0.00019693              0.00017500
 17      0.00045705              0.00017786
 18      0.00019288              0.00017595
 19      0.00020099              0.00018096
 20      0.00019312              0.00017595
 --------------------------------------------
 min     0.00019288              0.00017500
 max     0.00045705              0.00044584
 average 0.00021193              0.00019593

 }}}

-- 
Ticket URL: <https://trac.cakephp.org/ticket/5742#comment:3>
CakePHP : The Rapid Development Framework for PHP <https://trac.cakephp.org/>
Cake is a rapid development framework for PHP which uses commonly known design 
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Our primary goal is to provide a structured framework that enables PHP users at 
all levels to rapidly develop robust web applications, without any loss to 
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