Wont display "correct_type" value or images.

[G-brad]

Does anyone have an idea to why the correct_type value is not displaying and the images it is supposed to display.

Here is the php code for the first php page.

<?php

include_once "connection/connectdb.php"; 

class ScriptCheck {
    
    protected $image_dir = './images/';
    protected $extensions = array();
    protected $images = array();
    protected static $_instance;
    protected $watermark = 'watermark.png';
    protected $watermark_size = null;
    protected $tempimagesdir = './temp/';
    protected $types = array ('gun', 'cash');
    protected $max_correct_percent = 0.6;
    
    private function __construct($image_dir = null, $extensions = null, $padding = null) {
        session_start();
        $this->image_dir = $image_dir ? $image_dir : dirname(__FILE__);
        $this->image_dir = rtrim($this->image_dir, '/');
        $this->watermark = $this->image_dir.'/'.$this->watermark;
        $this->extensions = $extensions ? $extensions : array ('jpg');
        $this->padding = $padding ? (int) $padding : 5;
        $this->scanDirForImages();
        $this->watermark_size = getimagesize($this->watermark);
    }
    
    private function scanDirForImages() {
        if(!file_exists($this->image_dir) || !is_dir($this->image_dir)) {
            return false;
        }
        elseif(is_readable($this->image_dir)) {
            $directory_list = opendir($this->image_dir);
    
            while (false !== ($file = readdir($directory_list))) {
                if($file != '.' && $file != '..') {
                    $path = $this->image_dir.'/'.$file;
    
                    if(is_readable($path)) {
                        $subdirectories = explode('/', $path);
    
                        if(is_file($path)) {
                            $ext = explode('.', end($subdirectories));
                            $extension = end($ext);
    
                            if(in_array($extension, $this->extensions) && in_array($ext[1], $this->types)) {
                                $this->images[$ext[1]][] = $path;
                            }
                        }
                    }
                }
            }
            
            closedir($directory_list); 
            
            foreach ($this->types as $key => $type) {
                if (!is_array($this->images[$type]) || count($this->images[$type]) < 1) {
                    unset($this->images[$type]);
                    unset($this->types[$key]);
                }
            }
    
            return true;
    
        }else{
            return false;    
        }
    }
    
    private function deleteImages($files) {
        foreach ($files as $file => $temp) {
            @unlink($this->tempimagesdir.'/'.$file.'.png');
        }
    }
    
    public function showImages() {
        if (is_array($_SESSION['scrpt_images'])) {
            return $this->outputHTML();
        }
        
        $images = $this->images;
        $types = $this->types;
        $selected = array();
        $total = 8;
        
        $total_types = count($types);
        $correct_type = mt_rand(0, $total_types-1);
        $correct_total = count($images[$types[$correct_type]]);
        $correct_amount = mt_rand(1, round($total*$this->max_correct_percent)-1);
        
        $_SESSION['correct_type'] = $types[$correct_type];
        $_SESSION['correct_amount'] = $correct_amount;
        
        for ($i=0;$i<$correct_amount;$i++) {
            $img = mt_rand(0, $correct_total-1);
            $image = $images[$types[$correct_type]][$img];
            $selected[] = $this->processImage($image, true);
            $correct_total--;
            unset($images[$types[$correct_type]][$img]);
            $images[$types[$correct_type]] = array_values($images[$types[$correct_type]]);
        }
        
        unset($images[$types[$correct_type]]);
        unset($types[$correct_type]);
        $types = array_values($types);
        $total_types--;
        
        for ($i=0;$i<($total-$correct_amount);$i++) {
            $type = mt_rand(0, $total_types-1);
            $img = mt_rand(0, count($images[$types[$type]])-1);
            
            $selected[] = $this->processImage($images[$types[$type]][$img], false);
            unset($images[$types[$type]][$img]);
            
            $images[$types[$type]] = array_values($images[$types[$type]]);
        }
        
        $_SESSION['scrpt_images'] = $this->shuffleImages($_SESSION['scrpt_images']);
        
        return $this->outputHTML();
    }
    
    public function outputHTML() {
        include('./scriptcheck/show.php');
    }
    
    private function shuffleImages ($array) {
        while (count($array) > 0) {
            $val = array_rand($array);
            $new_arr[$val] = $array[$val];
            unset($array[$val]);
        }
        
        return $new_arr;
    }
    
    public function processImage($image_path, $add = true) {
        $type = @exif_imagetype($image_path);
        $size = @getimagesize($image_path);
        $open = null;
        
        switch ($size[2]) {
            case IMAGETYPE_GIF:
                $open = imagecreatefromgif($image_path);
            break;
            case IMAGETYPE_JPEG:
                $open = imagecreatefromjpeg($image_path);
            break;
            case IMAGETYPE_PNG:
                $open = imagecreatefrompng($image_path);
            break;
            default:
                return false;
            break;
        }
        
        $max_x = $size[0] - $this->watermark_size[0] - 5;
        $max_y = $size[1] - $this->watermark_size[1] - 5;
        $min_x = 5;
        $min_y = 5;
        
        $x = mt_rand($min_x, $max_x);
        $y = mt_rand($min_y, $max_y);
        
        $water = imagecreatefrompng($this->watermark);
        imageAlphaBlending($water, false);
    imageSaveAlpha($water, true);
        imagecopy($open, $water, $x, $y, 0, 0, $this->watermark_size[0], $this->watermark_size[1]);
        imagedestroy($water);
        $name = md5(microtime());
        imagepng($open, $this->tempimagesdir.'/'.$name.'.png');
        if ($add) {
            $_SESSION['scrpt_images'][$name] = 1;
        }
        else {
            $_SESSION['scrpt_images'][$name] = 0;
        }
        imagedestroy($open);
        return $name;
    }
    
    public function testImages($images) {
        $match = true;
        
        if (!$_SESSION['scrpt_images']) {
            return false;
        }
        
        foreach ($images as $image => $key) {
            if ($_SESSION['scrpt_images'][$image] != (int)$key) {
                $match = false;
            }
        }
    
        $this->deleteImages($_SESSION['scrpt_images']);
        unset($_SESSION['scrpt_images']);
        
        return $match;
    }
    
    public static function getInstance($image_dir = null, $extensions = null, $padding = null) {
        if (null === self::$_instance) {
            self::$_instance = new self($image_dir, $extensions, $padding);
        }

        return self::$_instance;
    }
}


if ($_POST) {
    $scriptcheck = ScriptCheck::getInstance('./images/');
    $check = $scriptcheck->testImages($_POST['images']);
if ($check)
    {
      $newtime = time() + (60 * 7);
mysql_query("UPDATE users SET last_script_check='$time' WHERE username='$username'");
   echo "<script>document.location=document.location</script>";
    }
    else
    {
      echo "<div class='error'>Wrong!</div>";
    }
}
else {
    $scriptcheck = ScriptCheck::getInstance('./images/');
    $scriptcheck->showImages();
}

exit();
}

?>

Here is the PHP for the show.php file.

Select <?= $_SESSION['correct_amount'] ?> pictures of  <?= $_SESSION['correct_type'] ?>:

<?php

$i = 0;

if(is_array($_SESSION['scrpt_images'])){
foreach ($_SESSION['scrpt_images'] as $image => $correct) {
    echo "<div id='div{$i}' class='normal'><input id='select{$i}' type='hidden' name='images[$image]' value='0'><img id='img{$i}' src='temp/{$image}.png' class='normal' onclick='toggleImg(\"{$i}\");return false;' /></div>";
    $i++;
    if ($i % 4 == 0) {
        echo "<div style='clear: both;'>&nbsp;</div>";
    }
}}

?>