root/trunk/tests/benchmark_concat.php

<?PHP
/**
 * simple benchmark to check whether using variables in quoted strings is faster than
 * concatenating a string. It needs the PEAR::Benchmark_Timer class.
 *
 * $Id$
 *
 * @package        patForms
 * @subpackage    Tests
 * @author        Sebastian Mordziol <argh@php-tool.net>
 */
 
   /**
    * uses the PEAR::Benchmark_Timer class
    */
    require_once 'Benchmark/Timer.php';

    $name    =    'RadioGroup_Option';
    $type    =    'Element';
    
    $timer    =    &new Benchmark_Timer();
    
    $timer->start();

    // strpos
    for( $i = 1; $i <= 5000; $i++ )
    {
        $file    =    "$name/$type";
    }
    $timer->setMarker( 'quoted' );

    // strstr
    for( $i = 1; $i <= 5000; $i++ )
    {
        $file    =    $name.'/'.$type;
    }
    $timer->setMarker( 'concat' );


    $timer->stop();
    $timer->display();
?>