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Captcha – Random Image Form Validation Using PHP

Thursday, June 19th, 2008 | Posted in Captcha, Form Validation, Rand, Randomizing, Security, Spam Control | 3 Comments

Form validation using random images

Similar to Number & Image form validation this example takes images with digits randomly and displays these for validating form.

Tags: Captcha, Form Validation, Security
Posted in: Captcha, Form Validation, Rand, Randomizing, Security, Spam Control
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Captcha – Image And Number Verification Using PHP

Thursday, June 19th, 2008 | Posted in Captcha, Form Validation, Security, Spam Control | No Comments

captcha, form authentication, form validation by image using php and javascript

This example is simple php, javascript image and number form validation. You can show number or image or both. If users enters correct number displayed then he can proceed with form submission. This example is using images containing numbers and these display randomly to validate form.

Tags: Captcha, Form Validation, image
Posted in: Captcha, Form Validation, Security, Spam Control
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