PHP Classes

File: test/php/test.php

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  Classes of Nikos M.   Simple PHP Captcha Library   test/php/test.php   Download  
File: test/php/test.php
Role: Example script
Content type: text/plain
Description: Example script
Class: Simple PHP Captcha Library
Show images to verify humans with math expressions
Author: By
Last change: v.2.6.0

* custom pattern callback instead of imagedata
Date: 8 days ago
Size: 2,067 bytes
 

Contents

Class file image Download
<?php

include(dirname(__FILE__).'/../../src/php/SimpleCaptcha.php');

//$tile = json_decode(file_get_contents(dirname(__FILE__).'/../tile.json'), true);
$tile = imagecreatefromjpeg(dirname(__FILE__).'/../tile.jpg');
$tile_width = imagesx($tile);
$tile_height = imagesy($tile);
$tile_pattern = function ($x, $y) use (&$tile, $tile_width, $tile_height) {
   
$x = $x % $tile_width;
   
$y = $y % $tile_height;
    if (
0 > $x) $x += $tile_width;
    if (
0 > $y) $y += $tile_height;
   
$rgb = imagecolorat($tile, $x, $y);
    return array((
$rgb >> 16) & 0xFF, ($rgb >> 8) & 0xFF, $rgb & 0xFF);
};

function
test()
{
    global
$tile_pattern;

   
$captcha = (new SimpleCaptcha())
            ->
option('secret_key', 'SECRET_KEY')
            ->
option('secret_salt', 'SECRET_SALT_')
            ->
option('num_terms', 2)
            ->
option('max_num_terms', 3) // -1 means constant num_terms
           
->option('min_term', 1)
            ->
option('max_term', 21)
            ->
option('color', 0x121212) // text color
           
->option('background', 0xffffff) // background color
   
;

   
$captcha->reset();
   
$captcha->option('difficulty', 2); // 0 (easy) to 3 (difficult)
   
$captcha->option('distortion_type', 1); // 1: position distortion
   
$captcha->option('color', [0xff0000, 0xffff00, 0x0000ff, 0x00ff00]); // text color gradient
   
$captcha->option('background', /*0x1Da1C1*/$tile_pattern); // background color/pattern

   
echo $captcha->getCaptcha() . PHP_EOL;
    echo
PHP_EOL;
    echo
$captcha->getHash() . PHP_EOL;

    echo
PHP_EOL . PHP_EOL;

   
$captcha->reset();
   
$captcha->option('difficulty', 2); // 0 (easy) to 3 (difficult)
   
$captcha->option('distortion_type', 2); // 2: scale distortion
   
$captcha->option('color', 0xffffff); // text color
   
$captcha->option('background', [0xff0000, 0xffff00, 0x00ff00, 0x0000ff]); // background color gradient

   
echo $captcha->getCaptcha() . PHP_EOL;
    echo
PHP_EOL;
    echo
$captcha->getHash() . PHP_EOL;
}

echo
'SimpleCaptcha::VERSION ' . SimpleCaptcha::VERSION . PHP_EOL;

test();