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amalmurali47/gist:9213340

Created February 25, 2014 17:11
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  1. amalmurali47 created this gist Feb 25, 2014.
    78 changes: 78 additions & 0 deletions gistfile1.php
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,78 @@
    <pre><?php

    $arr = array(
    array(
    "image" => "",
    "title" => "Open 7 days.",
    "text" => "We’re open 7 days a week."
    ),
    array(
    "image" => "",
    "title" => "Well done",
    "text" => "Well done you done great."
    ),
    array(
    "image" => "",
    "title" => "Rice",
    "text" => "Various flavours"
    ),
    array(
    "image" => "",
    "title" => "Rooms",
    "text" => "Roomy rooms for a roomyful time"
    ),
    array(
    "image" => "",
    "title" => "Keep in touch.",
    "text" => "Stay in touchwith us as we'll miss you"
    ),
    array(
    "image" => "",
    "title" => "Location",
    "text" => "We'll show you where we are."
    ),
    array(
    "image" => "",
    "title" => "The Home",
    "text" => "See our home page"
    )
    );

    for ($i=0; $i < 11; $i++) {
    $arr = array_merge($arr, $arr);
    }

    printf("Our array contains %s elements\n", count($arr));

    // V1
    $start = microtime(1);
    for ($i=0; $i < 10000; $i++) {
    $result = array();
    foreach (array_rand($arr, 4) as $k) {
    $result[] = $arr[$k];
    }
    }
    $end = microtime(1);
    printf('V1 took %ss', round($end-$start, 3));

    echo "\n";


    // V2
    $start = microtime(1);
    for ($i=0; $i < 10000; $i++) {
    $result = array();
    shuffle($arr);
    $result = array_slice($arr,0,4);
    }
    $end = microtime(1);
    printf('V2 took %ss', round($end-$start, 3));

    /*
    Results on my dev server:
    Our array contains 14336 elements
    V1 took 4.659s
    V2 took 15.071s
    */