Description: The isValid() method in PHP is used to validate a user input. It checks whether the input matches the specified validation rule(s) and returns true or false based on the outcome.
Code Example 1: This code example uses the isValid() method to check if a given email is valid using the FILTER_VALIDATE_EMAIL filter.
$email = 'john.doe@example.com'; if (filter_var($email, FILTER_VALIDATE_EMAIL)) { echo 'This email is valid.'; } else { echo 'This email is not valid.'; }
Package Library: The FILTER_VALIDATE_EMAIL is a built-in function in PHP core library and does not require any external package or library.
Code Example 2: This code example uses the isValid() method to check if the user input is a valid number using the is_numeric() function.
$user_input = '1234'; if (is_numeric($user_input)) { echo 'This input is numeric.'; } else { echo 'This input is not numeric.'; }
Package Library: The is_numeric() function is a built-in function in PHP core library and does not require any external package or library.
PHP User::isValid - 30 examples found. These are the top rated real world PHP examples of User::isValid extracted from open source projects. You can rate examples to help us improve the quality of examples.