Vergleich captcha.php - 1.4.4 - 1.4.16

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 * Website: http://www.mybboard.net
* License: http://www.mybboard.net/about/license
*

 * Website: http://www.mybboard.net
* License: http://www.mybboard.net/about/license
*

 * $Id: captcha.php 4199 2008-09-20 04:13:52Z Tikitiki $

 * $Id: captcha.php 5379 2011-02-21 11:06:42Z Tomm $

 */

define("IN_MYBB", 1);

 */

define("IN_MYBB", 1);

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imagefill($im, 0, 0, $bg_color);

// Draw random circles, squares or lines?

imagefill($im, 0, 0, $bg_color);

// Draw random circles, squares or lines?

$to_draw = mt_rand(0, 2);

$to_draw = my_rand(0, 2);

if($to_draw == 1)
{
draw_circles($im);

if($to_draw == 1)
{
draw_circles($im);

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for($i = 10; $i < $img_width; $i += 10)
{


for($i = 10; $i < $img_width; $i += 10)
{

		$color = imagecolorallocate($im, mt_rand(150, 255), mt_rand(150, 255), mt_rand(150, 255));

		$color = imagecolorallocate($im, my_rand(150, 255), my_rand(150, 255), my_rand(150, 255));

		imageline($im, $i, 0, $i, $img_height, $color);
}
for($i = 10; $i < $img_height; $i += 10)
{

		imageline($im, $i, 0, $i, $img_height, $color);
}
for($i = 10; $i < $img_height; $i += 10)
{

		$color = imagecolorallocate($im, mt_rand(150, 255), mt_rand(150, 255), mt_rand(150, 255));

		$color = imagecolorallocate($im, my_rand(150, 255), my_rand(150, 255), my_rand(150, 255));

		imageline($im, 0, $i, $img_width, $i, $color);
}
}

		imageline($im, 0, $i, $img_width, $i, $color);
}
}

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	$circles = $img_width*$img_height / 100;
for($i = 0; $i <= $circles; ++$i)
{

	$circles = $img_width*$img_height / 100;
for($i = 0; $i <= $circles; ++$i)
{

		$color = imagecolorallocate($im, mt_rand(180, 255), mt_rand(180, 255), mt_rand(180, 255));
$pos_x = mt_rand(1, $img_width);
$pos_y = mt_rand(1, $img_height);
$circ_width = ceil(mt_rand(1, $img_width)/2);
$circ_height = mt_rand(1, $img_height);
imagearc($im, $pos_x, $pos_y, $circ_width, $circ_height, 0, mt_rand(200, 360), $color);

		$color = imagecolorallocate($im, my_rand(180, 255), my_rand(180, 255), my_rand(180, 255));
$pos_x = my_rand(1, $img_width);
$pos_y = my_rand(1, $img_height);
$circ_width = ceil(my_rand(1, $img_width)/2);
$circ_height = my_rand(1, $img_height);
imagearc($im, $pos_x, $pos_y, $circ_width, $circ_height, 0, my_rand(200, 360), $color);

	}
}


	}
}


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	$dot_count = $img_width*$img_height/5;
for($i = 0; $i <= $dot_count; ++$i)
{

	$dot_count = $img_width*$img_height/5;
for($i = 0; $i <= $dot_count; ++$i)
{

		$color = imagecolorallocate($im, mt_rand(200, 255), mt_rand(200, 255), mt_rand(200, 255));
imagesetpixel($im, mt_rand(0, $img_width), mt_rand(0, $img_height), $color);

		$color = imagecolorallocate($im, my_rand(200, 255), my_rand(200, 255), my_rand(200, 255));
imagesetpixel($im, my_rand(0, $img_width), my_rand(0, $img_height), $color);

	}	
}


	}	
}


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	$square_count = 30;
for($i = 0; $i <= $square_count; ++$i)
{

	$square_count = 30;
for($i = 0; $i <= $square_count; ++$i)
{

		$color = imagecolorallocate($im, mt_rand(150, 255), mt_rand(150, 255), mt_rand(150, 255));
$pos_x = mt_rand(1, $img_width);
$pos_y = mt_rand(1, $img_height);
$sq_width = $sq_height = mt_rand(10, 20);

		$color = imagecolorallocate($im, my_rand(150, 255), my_rand(150, 255), my_rand(150, 255));
$pos_x = my_rand(1, $img_width);
$pos_y = my_rand(1, $img_height);
$sq_width = $sq_height = my_rand(10, 20);

		$pos_x2 = $pos_x + $sq_height;
$pos_y2 = $pos_y + $sq_width;
imagefilledrectangle($im, $pos_x, $pos_y, $pos_x2, $pos_y2, $color);

		$pos_x2 = $pos_x + $sq_height;
$pos_y2 = $pos_y + $sq_width;
imagefilledrectangle($im, $pos_x, $pos_y, $pos_x2, $pos_y2, $color);

Zeile 225Zeile 225
		if($use_ttf)
{
// Select a random font size

		if($use_ttf)
{
// Select a random font size

			$font_size = mt_rand($min_size, $max_size);

			$font_size = my_rand($min_size, $max_size);

			
// Select a random font
$font = array_rand($ttf_fonts);
$font = $ttf_fonts[$font];

// Select a random rotation

			
// Select a random font
$font = array_rand($ttf_fonts);
$font = $ttf_fonts[$font];

// Select a random rotation

			$rotation = mt_rand($min_angle, $max_angle);

			$rotation = my_rand($min_angle, $max_angle);

			
// Set the colour

			
// Set the colour

			$r = mt_rand(0, 200);
$g = mt_rand(0, 200);
$b = mt_rand(0, 200);

			$r = my_rand(0, 200);
$g = my_rand(0, 200);
$b = my_rand(0, 200);

			$color = imagecolorallocate($im, $r, $g, $b);

// Fetch the dimensions of the character being added

			$color = imagecolorallocate($im, $r, $g, $b);

// Fetch the dimensions of the character being added

Zeile 256Zeile 256
			}

// Draw a shadow

			}

// Draw a shadow

			$shadow_x = mt_rand(-3, 3) + $pos_x;
$shadow_y = mt_rand(-3, 3) + $pos_y;

			$shadow_x = my_rand(-3, 3) + $pos_x;
$shadow_y = my_rand(-3, 3) + $pos_y;

			$shadow_color = imagecolorallocate($im, $r+20, $g+20, $b+20);
imagefttext($im, $font_size, $rotation, $shadow_x, $shadow_y, $shadow_color, $font, $string[$i], array());


			$shadow_color = imagecolorallocate($im, $r+20, $g+20, $b+20);
imagefttext($im, $font_size, $rotation, $shadow_x, $shadow_y, $shadow_color, $font, $string[$i], array());


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// Calculate character offsets
$pos_x = $spacing / 4 + $i * $spacing;


// Calculate character offsets
$pos_x = $spacing / 4 + $i * $spacing;

			$pos_y = $img_height / 2 - $string_height -10 + mt_rand(-3, 3);

			$pos_y = $img_height / 2 - $string_height -10 + my_rand(-3, 3);

			
// Create a temporary image for this character
if(gd_version() >= 2)

			
// Create a temporary image for this character
if(gd_version() >= 2)

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			imagecolortransparent($temp_im, $bg_color);

// Set the colour

			imagecolortransparent($temp_im, $bg_color);

// Set the colour

			$r = mt_rand(0, 200);
$g = mt_rand(0, 200);
$b = mt_rand(0, 200);

			$r = my_rand(0, 200);
$g = my_rand(0, 200);
$b = my_rand(0, 200);

			$color = imagecolorallocate($temp_im, $r, $g, $b);

// Draw a shadow

			$color = imagecolorallocate($temp_im, $r, $g, $b);

// Draw a shadow

			$shadow_x = mt_rand(-1, 1);
$shadow_y = mt_rand(-1, 1);

			$shadow_x = my_rand(-1, 1);
$shadow_y = my_rand(-1, 1);

			$shadow_color = imagecolorallocate($temp_im, $r+50, $g+50, $b+50);
imagestring($temp_im, 5, 1+$shadow_x, 1+$shadow_y, $string[$i], $shadow_color);


			$shadow_color = imagecolorallocate($temp_im, $r+50, $g+50, $b+50);
imagestring($temp_im, 5, 1+$shadow_x, 1+$shadow_y, $string[$i], $shadow_color);