Init

captcha/image.php

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+<?php
+
+	header("Content-type: image/jpeg");
+
+	session_start();
+
+// image config
+
+	$code = rand(1000,9999);
+	$color_r = rand(50, 170);
+	$color_g = rand(50, 170);
+	$color_b = rand(170, 250);
+
+	$_SESSION["captcha_code"] = $code;
+
+	$bg_image = "blank.jpg";
+	$font = "./maturasc.ttf";
+
+	$size = 26;
+	$rotation = rand(-5,10);
+	$pad_x = 10;
+	$pad_y = 35;
+
+// generate image
+
+	$img_path	= $bg_image;
+	$img_size	= getimagesize($img_path);
+
+	$width  = $img_size[0];
+	$height = $img_size[1];
+
+	$img = ImageCreateFromJpeg($img_path);
+
+	$fg = ImageColorAllocate($img, $color_r, $color_g, $color_b);
+
+	ImageTTFText($img, $size, $rotation, $pad_x, $pad_y, $fg, $font, $code);
+
+	$dots = $width*$height/2;
+	for($i=0;$i<$dots;$i++)
+		{
+		$dc = ImageColorAllocate($img, $color_r, $color_g, $color_b);
+		ImageSetPixel($img, rand(0,$width), rand(0,$height), $dc);
+		}
+
+	imagejpeg($img);
+
+
+?>