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Lernen Challenge: Implement a Validation Flow | Validation Flows and Safe Execution Patterns
PHP Error Handling and Exceptions
Abschnitt 3. Kapitel 2
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bookChallenge: Implement a Validation Flow

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Aufgabe

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Create a validation function for a user registration form that checks the username, email, and password fields. If a field is invalid, the function must throw a ValidationException with a relevant message.

  • If username is empty, throw a ValidationException with the message "Username cannot be empty".
  • If email is not a valid email address, throw a ValidationException with the message "Invalid email address".
  • If password is less than 8 characters long, throw a ValidationException with the message "Password must be at least 8 characters long".
  • If all fields are valid, return the string "Registration successful".

Lösung

Aufgabe

Swipe to start coding

Create a validation function for a user registration form that checks the username, email, and password fields. If a field is invalid, the function must throw a ValidationException with a relevant message.

  • If username is empty, throw a ValidationException with the message "Username cannot be empty".
  • If email is not a valid email address, throw a ValidationException with the message "Invalid email address".
  • If password is less than 8 characters long, throw a ValidationException with the message "Password must be at least 8 characters long".
  • If all fields are valid, return the string "Registration successful".

Lösung

Create a validation function for a user registration form that checks the username, email, and password fields. If a field is invalid, the function must throw a ValidationException with a relevant message.

  • If username is empty, throw a ValidationException with the message Username cannot be empty;
  • If email is not a valid email address, throw a ValidationException with the message Invalid email address;
  • If password is less than 8 characters long, throw a ValidationException with the message Password must be at least 8 characters long;
  • If all fields are valid, return the string Registration successful.

Unit Test Checklist

  • Throws a ValidationException with the correct message if username is empty;
  • Throws a ValidationException with the correct message if email is not a valid email address;
  • Throws a ValidationException with the correct message if password is less than 8 characters long;
  • Returns "Registration successful" if all fields are valid.
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Abschnitt 3. Kapitel 2
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