Php validating text input
When the user fills out the form above and clicks the submit button, the form data is sent for processing to a PHP file named "welcome.php". To display the submitted data you could simply echo all the variables.
The "welcome.php" looks like this: Think SECURITY when processing PHP forms!
') if answer.lower() in food: break print("I don't know of a restaurant near here.".format(answer)) print("Okay, let's have .".format(answer)) Would you like to get pizza, burgers, or sushi? The isdigit method of a string makes sure that all of the character in the string are digits.All variables passed to the current script via the HTTP POST method are stored in associative array $_POST. Let's say you display all data submitted with the form in a HTML file (like a guestbook does for example). Failure to properly validate input data is the main reason for most vulnerabilities and exploits in PHP scripts.