Validation

The Validation class provides methods to validate user input and protect against vulnerabilities like SQL injection and cross-site scripting.

Available Methods:

1. validateEmail(email):

• Purpose: Validate email addresses.
• Returns: true if the email is valid, false otherwise.
• Example:

$email = "[email protected]";
          if (Validation::validateEmail($email)) {
              echo "Email is valid.";
          } else {
              echo "Email is invalid.";
          }
          

• Source: src/Validation.php (Line 13-19)

2. validatePassword(password):

• Purpose: Validate passwords for strength, enforcing minimum length and character complexity.
• Returns: true if the password is valid, false otherwise.
• Example:

$password = "P@$$wOrd";
          if (Validation::validatePassword($password)) {
              echo "Password is valid.";
          } else {
              echo "Password is invalid.";
          }
          

• Source: src/Validation.php (Line 21-27)

3. validateUsername(username):

• Purpose: Validate usernames, ensuring they adhere to specific format and length requirements.
• Returns: true if the username is valid, false otherwise.
• Example:

$username = "johndoe123";
          if (Validation::validateUsername($username)) {
              echo "Username is valid.";
          } else {
              echo "Username is invalid.";
          }
          

• Source: src/Validation.php (Line 29-35)

4. validateText(text, maxLength = 255):

• Purpose: Validate text input, limiting its length and preventing potential XSS attacks.
• Returns: true if the text is valid, false otherwise.
• Example:

$text = "This is a test text.";
          if (Validation::validateText($text)) {
              echo "Text is valid.";
          } else {
              echo "Text is invalid.";
          }
          

• Source: src/Validation.php (Line 37-43)

5. validateNumber(number):

• Purpose: Validate numeric input, ensuring it’s a valid number.
• Returns: true if the number is valid, false otherwise.
• Example:

$number = 12345;
          if (Validation::validateNumber($number)) {
              echo "Number is valid.";
          } else {
              echo "Number is invalid.";
          }
          

• Source: src/Validation.php (Line 45-51)

6. validateUrl(url):

• Purpose: Validate URLs, ensuring they adhere to a valid format.
• Returns: true if the URL is valid, false otherwise.
• Example:

$url = "https://www.example.com";
          if (Validation::validateUrl($url)) {
              echo "URL is valid.";
          } else {
              echo "URL is invalid.";
          }
          

• Source: src/Validation.php (Line 53-59)

7. validateDate(date, format = "Y-m-d"):

• Purpose: Validate dates using a specified format.
• Returns: true if the date is valid, false otherwise.
• Example:

$date = "2023-12-25";
          if (Validation::validateDate($date)) {
              echo "Date is valid.";
          } else {
              echo "Date is invalid.";
          }
          

• Source: src/Validation.php (Line 61-67)

8. validatePhone(phone):

• Purpose: Validate phone numbers based on a specific format.
• Returns: true if the phone number is valid, false otherwise.
• Example:

$phone = "+1 (555) 555-5555";
          if (Validation::validatePhone($phone)) {
              echo "Phone number is valid.";
          } else {
              echo "Phone number is invalid.";
          }
          

• Source: src/Validation.php (Line 69-75)

This is just a brief outline of the available validation methods within the Validation class. You can find further details and customization options by referring to the source code.