bench_if_switch.php

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<?php
require_once __DIR__ . '/Benchmarker.php';

class BenchIfSwitch extends Benchmarker {
    public function __construct() {
        parent::__construct();
        $this->mDescription = "Benchmark if elseif... versus switch case.";
    }

    public function execute() {
        $this->bench( array(
            array( 'function' => array( $this, 'doElseIf' ) ),
            array( 'function' => array( $this, 'doSwitch' ) ),
        ) );
        print $this->getFormattedResults();
    }

    // bench function 1
    function doElseIf() {
        $a = 'z';
        if ( $a == 'a' ) {
        } elseif ( $a == 'b' ) {
        } elseif ( $a == 'c' ) {
        } elseif ( $a == 'd' ) {
        } elseif ( $a == 'e' ) {
        } elseif ( $a == 'f' ) {
        } elseif ( $a == 'g' ) {
        } elseif ( $a == 'h' ) {
        } elseif ( $a == 'i' ) {
        } elseif ( $a == 'j' ) {
        } elseif ( $a == 'k' ) {
        } elseif ( $a == 'l' ) {
        } elseif ( $a == 'm' ) {
        } elseif ( $a == 'n' ) {
        } elseif ( $a == 'o' ) {
        } elseif ( $a == 'p' ) {
        } else {
        }
    }

    // bench function 2
    function doSwitch() {
        $a = 'z';
        switch ( $a ) {
            case 'b':
                break;
            case 'c':
                break;
            case 'd':
                break;
            case 'e':
                break;
            case 'f':
                break;
            case 'g':
                break;
            case 'h':
                break;
            case 'i':
                break;
            case 'j':
                break;
            case 'k':
                break;
            case 'l':
                break;
            case 'm':
                break;
            case 'n':
                break;
            case 'o':
                break;
            case 'p':
                break;
            default:
        }
    }
}

$maintClass = 'BenchIfSwitch';
require_once RUN_MAINTENANCE_IF_MAIN;