PHP Classes

Math CAPTCHA: CAPTCHA validation using math operation images

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Version License PHP version Categories
math-captcha 1.0GNU General Publi...3.0Graphics, Validation, Security
Description 

Author

This package implements CAPTCHA validation using math operation images.

It can generate an image displaying a math operation between two numbers.

The result of the operation is stored in a session variable for subsequent validation.

The math operation difficulty may be of three different levels of difficulty: easy, moderate or hard.

Picture of Syamsul Aries
Name: Syamsul Aries <contact>
Classes: 1 package by
Country: Indonesia Indonesia
Age: ???
All time rank: 247938 in Indonesia Indonesia
Week rank: 178 Up6 in Indonesia Indonesia Up

Details

<?PHP //README /* MathCha License MathCha - the Mathematical Captcha GNU General Public License 2011 MathchaTeamPBK2011 To Obtain more information for this component please send an email to certain address below : 1. hesti06@gmail.com 2. cyntiaan@gmail.com 3. pho3_lophe@yahoo.com 4. mikha3qv9@gmail.com 5. syamsularies@ymail.com Please Keep this license if you uses or make modifications of this component. By fullfiing this requirement, we are able to give pemittion to use device for free. we are able to give advices for any problem in the proccess to use the device. =============================================================================================== This component is made to give another choice of Captcha for all of you. This Captcha utilizable for your website. How tu use? Don't forget to call the session! <?PHP session_start(); //The session use for check the MathCha answer if( $_SESSION['security_code'] == $_POST['security_code'] && !empty($_SESSION['security_code'] ) ) { //if the answer is true echo 'Thank you! '; unset($_SESSION['security_code']); } else { //if the answer is false echo 'Ups, you have provided an invalid security code! Please ' } ?> //Then,call the MatCha like call the picture along with level change and theme change that we are served. <img src="MathchaSecurityImages.php?difficulty=3&theme=t0" /> You are able to choose three posibilities the term of Level by change the available selection 1, 2, or 3 You able to choose 11 available themes into : t0, t1, t2, t3, t4, t5, t6, t7, t8, t9, or t10 You can do another way to use this component. **Hesti-Cyntia-Debora-Mikha-Syamsul** */ ?>

  Files folder image Files (16)  
File Role Description
Accessible without login Image file bg0.png Photo background 0
Accessible without login Image file bg1.png Photo background 1
Accessible without login Image file bg10.png Photo background 10
Accessible without login Image file bg2.png Photo background 2
Accessible without login Image file bg3.png Photo background 3
Accessible without login Image file bg4.png Photo background 4
Accessible without login Image file bg5.png Photo background 5
Accessible without login Image file bg6.png Photo background 6
Accessible without login Image file bg7.png Photo background 7
Accessible without login Image file bg8.png Photo background 8
Accessible without login Image file bg9.png Photo background 9
Accessible without login Plain text file form_example.php Example form_example
Plain text file generate_number.php Class generate_number
Plain text file generate_operator.php Class generate_operator
Plain text file MathchaSecurityImages.php Class MathChaSecurityImages
Accessible without login Plain text file Readme Doc. License

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