[CONTEST] Tuning PHP Performance

[andr3a]

AUTORE
andr3a

DESCRIZIONE
Test per confrontare le performance dei principali metodi per svolgere operazioni a seconda di determinate condizioni.

CATEGORIA
PERFORMANCE/CHECKS

DIPENDENZE

CODICE

<?php
$class = 'IfElifElseSwitchTernaryTimeUnitTest';
$iterations = 10000;
$methods = array
(
    'TestIfElifElse'    => 'Test if elseif and else',
    'TestSwitch'        => 'Test switch',
    'TestTernary'        => 'Test double ternary operator'
);
$dataToTest = array();
for($index = 0; $index < $iterations; $index++)
    $dataToTest[] = $index;
class IfElifElseSwitchTernaryTimeUnitTest
{
    public static function TestIfElifElse($Iterations, $DataToTest)
    {
        $duration = 0;
        for($iteration = 0; $iteration < $Iterations; $iteration++)
        {
            $startTime = microtime(true);
            if($DataToTest[$iteration] == null)
                $DataToTest[$iteration] = null;
            elseif($DataToTest[$iteration] == false)
                $DataToTest[$iteration] = false;
            else
                $DataToTest[$iteration] = true;
            $duration += microtime(true) - $startTime;
        }
        return $duration;
    }
    public static function TestSwitch($Iterations, $DataToTest)
    {
        $duration = 0;
        for($iteration = 0; $iteration < $Iterations; $iteration++)
        {
            $startTime = microtime(true);
            switch($DataToTest[$iteration]) {
                case    null:
                    $DataToTest[$iteration] = null;
                    break;
                case    false:
                    $DataToTest[$iteration] = false;
                    break;
                default:
                    $DataToTest[$iteration] = true;
                    break;
            }
            $duration += microtime(true) - $startTime;
        }
        return $duration;
    }
    public static function TestTernary($Iterations, $DataToTest)
    {
        $duration = 0;
        for($iteration = 0; $iteration < $Iterations; $iteration++)
        {
            $startTime = microtime(true);
            $DataToTest[$iteration] = $DataToTest[$iteration] == null ? null : $DataToTest[$iteration] == false ? false : true;
            $duration += microtime(true) - $startTime;
        }
        return $duration;
    }
}
require_once('TimeUnitTesting.php');
?>