<?php
session_start();
//Import the Class File
include "../captcha.class.php";
//Initialization & Setings
$captcha = new realCaptcha(array("height" => 200, "width" => 500, "source" => realCaptcha::DICTIONARY, "number_of_words" => 2, "fonts_dir" => "../resources/fonts/", "dictionary_file" => "../resources/dictionary.php"));
//Generating the Captcha...
$c = $captcha->generate();
//Output Captcha to Browser, as JPG Image with 40% Quality
$c->output("jpg", 40);
//Save Text to Session
$_SESSION["captcha_text"] = $c->text;
<?php
//Import the Class File
include "../captcha.class.php";
//Initialization & Setings
$captcha = new realCaptcha(array("height" => 200, "width" => 500, "source" => realCaptcha::DICTIONARY, "number_of_words" => 2, "fonts_dir" => "../resources/fonts/", "dictionary_file" => "../resources/dictionary.php"));
//Generating the Captcha...
$c1 = $captcha->generate();
$c1->output("png", 40);
//Output Captcha to Browser, as JPG Image with 40% Quality
$c1->file("output/c1.png", "png", 50);
//Save Captcha to PNG File
$c1->file("output/c1.jpg", "jpg", 50);
//Save Captcha to JPG File
$c1->file("output/c1.gif", "gif");
//Save Captcha to GIF File
$_SESSION["captcha_text"] = $c1->text;
//Store Captcha Text in Session
$_SESSION["captcha_array"] = $c1->array;
//Store Captcha Words Array in Session
//----- Change Settings
$captcha->set(array("height" => 200, "width" => 400, "source" => realCaptcha::RANDOM));
$c2 = $captcha->generate();
$c2->file("output/c2.png", "png", 50);
//---- Define Temporary settings while calling the Generator Method
$c3 = $captcha->generate(array("background_color" => array(255, 0, 0), "text_color" => array(255, 255, 255)));
$c3->file("output/c3.jpg", "jpg", 50);
//---- Take Direct Input
$captcha->set(array("source" => realCaptcha::INPUT));
//Pass a String
$c4 = $captcha->generate("Example");
public function dictionaryText(&$settings = FALSE)
{
//init settings
$settings = !$settings ? $this->settings : $settings;
if (!file_exists($settings["dictionary_file"])) {
throw new Exception("Error Finding dictionary file {$settings["dictionary_file"]}", 4);
}
$size = filesize($settings["dictionary_file"]);
//Minimum number of characters required
$minimum = 50 * $settings["number_of_words"];
//starting character from a random point in the file keeping minimum characters into consideration....
$start = rand(0, $size - $minimum);
$file = fopen($settings["dictionary_file"], "r");
//Set File pointer to random point...
fseek($file, $start);
//read minimum number of characters and strip all non english characters
//$raw = preg_replace("/[^a-zA-Z\s]/", "", fread($file, $minimum));
//read minimum number of characters and replace all non english characters
$raw = realCaptcha::remove_accents(fread($file, $minimum));
$array = str_split($raw);
//Final Array container...
$text_array = array();
//current Letter...
$pointer = 0;
//current word being fetched...
$index = 0;
//Temporary text container
$temp = "";
//if the first " " (space) character was reached or not...
$first_reach = FALSE;
//infinite loop, until break...
while (TRUE) {
//if current character doesn't exist, stop the loop
if (empty($array[$pointer])) {
break;
}
//if current character is a letter and a space has already been reached, add the character to temporary...
if ($first_reach && ctype_alnum($array[$pointer])) {
$temp .= $array[$pointer];
}
//if current character is a space and a space has already been reached before
if ($first_reach && $array[$pointer] == " ") {
$temp_size = strlen($temp);
//check temporary size and is under 3 characters long, reject and turncate temporary...
if ($temp_size < 3) {
$temp = "";
} else {
// if over 3, then add the word to delivery storage, turncate temp
$text_array[$index] = $temp;
$temp = "";
//If the max number of words are reached, stop the loop
if ($index == $settings["number_of_words"] - 1) {
break;
} else {
// If not max, prepare for new word insertion...
$index++;
}
}
}
//check for the first space character encountered...
if (!$first_reach && $array[$pointer] == " ") {
$first_reach = TRUE;
}
$pointer++;
}
return $text_array;
}
