filter_var()
Also written: filter_var, FILTER_VALIDATE_EMAIL, FILTER_VALIDATE_INT
A function that checks a value's format: it returns the value if valid and `false` if not. Used with filters like `FILTER_VALIDATE_EMAIL` to check an email address.
Also written: filter_var, FILTER_VALIDATE_EMAIL, FILTER_VALIDATE_INT
A function that checks a value's format: it returns the value if valid and `false` if not. Used with filters like `FILTER_VALIDATE_EMAIL` to check an email address.