Validating checkboxes with php gardenersdating com
Often, people confuse form validations with form security.
Form security (preventing exploits like SQL injection, XSS attacks etc ) are to be handled in addition to form validation.
Client-side form validations help in giving immediate feedback to the user.
As usually we need to check if a checkbox is checked or unchecked during form submission likewise if user accepted or not ‘TOS (Terms of Services)’ through checkbox.So I have provided a form validation rule to validate checkbox as ‘‘ to check if a checkbox is checked or not.Here we are doing the same with help of callback to implement our own validation method which is supported by Codeigniter Validation System. Validation for non-empty, alphabets and whitespace only The following code is added within the form So, if you try to understand how to write code for it step by step, step 1 is to declare the mail address to whom you want to send mail, step 2 is to write subject of the mail, step three is to collect data from POST so that you can write them to the body of mail, step 4 is to declare the mail id from which the mail is coming and finally sent mail with PHP mail() function.You may print some message after sending mail optionally.
HP 5.3.3 and 5.2.14 had a bug ( related to FILTER_VALIDATE_EMAIL, which resulted in segfault when validating large values.