PHP generate_random_num Exemples

Exemple #1

Fichier : importcache.php Projet : horrabin/opendb

/**
 * Add randomness to avoid 
 *
 * @param unknown_type $directory
 * @param unknown_type $new_sequence_number
 * @return unknown
 */
function import_get_cache_file($new_sequence_number)
{
    $randomNum = generate_random_num();
    return $new_sequence_number . '_' . $randomNum . '.cache';
}

Exemple #2

Fichier : exercise-2-random.php Projet : andrealeebishop/intro-to-programming-2014

<?php

// create a function to make numbers 1-49 blue and 50-100 red.
function generate_random_num()
{
    $x = rand(1, 100);
    if ($x < 50) {
        echo '<span style="color:blue;">' . $x . '</span>';
    } else {
        echo '<span style="color:red;">' . $x . '</span>';
    }
}
echo generate_random_num();

Exemple #3

Fichier : filecache.php Projet : horrabin/opendb

function filecache_generate_cache_filename($file_cache_r, $thumbnail = FALSE)
{
    $prefix = strtolower($file_cache_r['cache_type']);
    if ($thumbnail) {
        $prefix .= 'Thumb';
    }
    $randomNum = $file_cache_r['sequence_number'] . '_' . generate_random_num();
    $extension = $file_cache_r['extension'];
    return $prefix . $sequence_number . '_' . $randomNum . '.' . $extension;
}