List of Rules

PHPValidator provides a variety of predefined rules that you can use for data validation. Here is a list of some commonly used rules along with examples of their usage:

  1. Required Rule

    • Ensures that a field is present in the data.
    <?php
['username' => 'required']

  2. String Rule

    • Checks if a field is of string type.
    <?php
['username' => 'string']

  3. Email Rule

    • Validates that a field is a well-formed email address.
    <?php
['email' => 'email']

  4. Max Length Rule

    • Specifies the maximum length of a string field.
    <?php
['username' => 'max:25']

  5. Confirmed Rule

    • Checks if a field's value is the same as another field (commonly used for password confirmation).
    <?php
['password_confirmation' => 'confirmed:password']

  6. File Rule

    • Validates that a field is a file upload.
    <?php
['file' => 'file']

  7. Accepted Rule

    • Validates that a field is "yes", "on", "1", or true. Useful for checkboxes.
    <?php
['terms_and_conditions' => 'accepted']

  8. Accepted If Rule

    • Validates that a field is accepted if another field is equal to a specified value.
    <?php

['terms_and_conditions' => 'accepted_if:is_adult,true']

  9. ActiveURL Rule

    • Validates that a field is a valid, active URL.
    <?php

['website' => 'active_url']

  10. Alpha Rule

    • Validates that a field contains only alphabetic characters.
    <?php

['name' => 'alpha']

  11. Numeric Rule

    • Validates that a field contains only numeric characters.
    <?php

['age' => 'numeric']

  12. Lowercase Rule

    • Validates that a field contains only lowercase alphabetic characters.
    <?php

['username' => 'lowercase']

  13. Uppercase Rule

    • Validates that a field contains only uppercase alphabetic characters.
    <?php

['username' => 'uppercase']

  14. In Rule

    • Validates that a field's value is among a list of predefined values.
    <?php

['role' => 'in:admin,editor,viewer']

  15. Nullable Rule

    • Allows a field to be null or empty.
    <?php

['optional_field' => 'nullable']

  16. Password Rule

    • Validates that a field is a secure password.
    <?php

['password' => 'password']

  17. Same Rule

    • Validates that a field's value is the same as the value of another field.
    <?php

['password_confirmation' => 'same:password']

  18. Max Length Rule

    • Specifies the minimum length of a string field.
    <?php

['username' => 'min:8']

  19. Not In Rule

    • Validates that a field's value is not in a specified set.
    <?php

['value' => 'not_in:foo,bar']

  20. Required With Rule

    • Requires the field to be present if another specified field is present.
    <?php

['firstname' => 'required_with:lastname',]

  21. Valid IP Rule

    • Validates that a field's value is a valid IP address.
    <?php

['client_ip' => 'ip',]

  22. Json Rule

    • Validates that a field's value is a valid JSON string.
    <?php

['config' => 'json',]

  23. URL Rule

    • Validates that a field's value is a valid URL.
    <?php

['website' => 'url',]

  24. Alpha Numeric Rule

    • Validates that a field's value contains only alphanumeric characters.
    <?php

['pseudo' => 'alpha_num',]

  25. Boolean Rule

    • Validates that a field's value is a boolean.
    <?php

['is_admin' => 'bool',]

  26. Size Rule

    • Validates that the size of a string, integer, array, or file is equal to a specified value.
    <?php

    [
        'string' =>'size:7', // strlen(string) == 7
        'integer' =>'size:7', // integer == 7
        'array' =>'size:7', // count(array) == 7
        'file' =>'size:512', // file size (kb) == 512
    ]