Codice PHP:
<?php
include "settings_capcguebok.php";
// Keep #'s reasonable.
$min_thickness = max(1,$min_thickness);
$max_thickness = min(20,$max_thickness);
// Make radii into height/width
$min_radius *= 2;
$max_radius *= 2;
// Renormalize contrast
$contrast = 255 * ($contrast / 100.0);
$o_contrast = 1.3 * $contrast;
$width = 15 * imagefontwidth (5);
$height = 2.5 * imagefontheight (5);
$image = imagecreatetruecolor ($width, $height);
imagealphablending($image, true);
$black = imagecolorallocatealpha($image,0,0,0,0);
// Build the validation string
$max = strlen($acceptedChars)-1;
$password = NULL;
for($i=0; $i < $stringlength; $i++) {
$cnum[$i] = $acceptedChars{mt_rand(0, $max)};
$password .= $cnum[$i];
}
// Add string to image
$rotated = imagecreatetruecolor (70, 70);
$x = 0;
for ($i = 0; $i < $stringlength; $i++) {
$buffer = imagecreatetruecolor (20, 20);
$buffer2 = imagecreatetruecolor (40, 40);
// Get a random color
$red = mt_rand(0,255);
$green = mt_rand(0,255);
$blue = 255 - sqrt($red * $red + $green * $green);
$color = imagecolorallocate ($buffer, $red, $green, $blue);
// Create character
imagestring($buffer, 5, 0, 0, $cnum[$i], $color);
// Resize character
imagecopyresized ($buffer2, $buffer, 0, 0, 0, 0, 25 + mt_rand(0,12), 25 + mt_rand(0,12), 20, 20);
// Rotate characters a little
$rotated = imagerotate($buffer2, mt_rand(-25, 25),imagecolorallocatealpha($buffer2,0,0,0,0));
imagecolortransparent ($rotated, imagecolorallocatealpha($rotated,0,0,0,0));
// Move characters around a little
$y = mt_rand(1, 3);
$x += mt_rand(2, 6);
imagecopymerge ($image, $rotated, $x, $y, 0, 0, 40, 40, 100);
$x += 22;
imagedestroy ($buffer);
imagedestroy ($buffer2);
}
// Draw polygons
if ($num_polygons > 0) for ($i = 0; $i < $num_polygons; $i++) {
$vertices = array (
mt_rand(-0.25*$width,$width*1.25),mt_rand(-0.25*$width,$width*1.25),
mt_rand(-0.25*$width,$width*1.25),mt_rand(-0.25*$width,$width*1.25),
mt_rand(-0.25*$width,$width*1.25),mt_rand(-0.25*$width,$width*1.25)
);
$color = imagecolorallocatealpha ($image, mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), $object_alpha);
imagefilledpolygon($image, $vertices, 3, $color);
}
// Draw random circles
if ($num_ellipses > 0) for ($i = 0; $i < $num_ellipses; $i++) {
$x1 = mt_rand(0,$width);
$y1 = mt_rand(0,$height);
$color = imagecolorallocatealpha ($image, mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), $object_alpha);
// $color = imagecolorallocate($image, mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), mt_rand(0,$o_contrast));
imagefilledellipse($image, $x1, $y1, mt_rand($min_radius,$max_radius), mt_rand($min_radius,$max_radius), $color);
}
// Draw random lines
if ($num_lines > 0) for ($i = 0; $i < $num_lines; $i++) {
$x1 = mt_rand(-$width*0.25,$width*1.25);
$y1 = mt_rand(-$height*0.25,$height*1.25);
$x2 = mt_rand(-$width*0.25,$width*1.25);
$y2 = mt_rand(-$height*0.25,$height*1.25);
$color = imagecolorallocatealpha ($image, mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), $object_alpha);
imagesetthickness ($image, mt_rand($min_thickness,$max_thickness));
imageline($image, $x1, $y1, $x2, $y2 , $color);
}
// Draw random dots
if ($num_dots > 0) for ($i = 0; $i < $num_dots; $i++) {
$x1 = mt_rand(0,$width);
$y1 = mt_rand(0,$height);
$color = imagecolorallocatealpha ($image, mt_rand(0,$o_contrast), mt_rand(0,$o_contrast), mt_rand(0,$o_contrast),$object_alpha);
imagesetpixel($image, $x1, $y1, $color);
}
session_start();
$_SESSION['string'] = $password;
header('Content-type: image/png');
imagepng($image);
imagedestroy($image);
?>
il problema è che quando clicco su invia codice la pagina non rimane sulla lingua che si è scelto dalla home page, nonostante io abbia tradotto anche il file failure.php e succes.php. Ora credo che il problema risieda, o da queste due variabili del file di configurazione qui sotto:
Rispondi quotando
