Syntax
$email = filter_input(INPUT_POST, "email", FILTER_VALIDATE_EMAIL);Examples
PHP filter_input example
A focused example you can adapt while practising.
$email = filter_input(INPUT_POST, "email", FILTER_VALIDATE_EMAIL);Best practices
- Start with the smallest working example, then adapt it to your project.
- Use the language’s standard library and idioms before introducing extra dependencies.
Runtime & versions
PHP runtime on a server or CLI. Feature availability depends on the language and runtime version used by your project; consult the official reference below.
PHP Manual