Contact Form In Html With Captcha Code In Php Average ratng: 3,9/5 8875 reviews
PHP Contact Form With Captcha. Preview the form Download. This is a contact form with the essential fields like name, email and a message field. The form is built on top of bootstrap framework. Bootstrap makes the styling easy and quick. The sections below explain the code of this form The HTML Code.
This blog post demonstrate you, how to implement your own simple captcha using PHP, jQuery and AJAX in form. Description: Captcha is basically a random generate captcha string and which can be stored in session variable for further use.
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After that, the generated string is bunched with an image to pretend as a single image in such a way that only human being is able read it. • Here we used an alphanumeric string and stored it in a PHP variable. • This variable is then passed in str_shuffle() function.
• After shuffling, we took sub-string of defined length and stored it in a session (global variable). • Then, we convert the string into image and used it in our form. Create Captcha using PHP,jQuery and AJAX Create Captcha using PHP,jQuery and AJAX Fill Your Information!
Username: Email: Enter Image Text: CAPTCHA Generating code: captcha.php Here, we generate our CAPTCHA code in PHP as mentioned above. JQuery and Ajax Code: script.js here, we performed validation of other fields and sending user input CAPTCHA text via Ajax to verfy.php file.
Check the captcha code after form submission Next we need to verify the submitted captcha code is correct or not. We can do this by checking the submitted captcha value with session value, if both values matches then submitted captcha value is true and if both values are not matching then the submitted value is not correct. User session_start PHP function. And check if POST superglobal is set and not empty. If the condition is true then check submitted captcha code & code stored in session superglobal.
Below is the code.