<?php function generatecaptcha(){
$randomcontent = str_split("abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ123456789");
$content = null;
for($i=0; $i<5; $i++){
$content = $content.$randomcontent[rand(0,60)];
}
$image = ImageCreate(46, 17);//width and height
imagecolorallocate($image, 0, 0, 0);//get background color for image image, r, g, b
$font_color = imagecolorallocate($image, 255, 255, 255);
imagestring($image, 10, 0, 0, $content, $font_color);//convert string to image-- image, font-size, x,y, string, font-color
return imagejpeg($image);
}
generatecaptcha();
?>
preferences:
28.67 ms | 402 KiB | 5 Q