RockLobsterInc\Swv\Rules

NumberRule{} │ final │ CF7 1.0└─ AbstractRule

Хуков нет.

Использование

$NumberRule = new NumberRule();
// use class methods

Методы

1. public __construct(array $properties = [])
2. public static isNumber(string $value)
3. public matches(array $context)
4. public toArray()
5. public validate(FormDataTree $form_data, array $context = [])

Код NumberRule{} NumberRule{} ^{CF7 6.2.4.1}

final class NumberRule extends AbstractRule
{
    const RULE_NAME = "number";

    /**
     * Rule properties.
     */
    public readonly string $field;
    public readonly string $error;

    /**
     * Constructor.
     *
     * @param array $properties Rule properties.
     */
    public function __construct(array $properties = [])
    {
        $this->field = $properties["field"] ?? "";
        $this->error = $properties["error"] ?? "";
    }

    /**
     * Returns true if the given string is a well-formed number.
     *
     * @link https://html.spec.whatwg.org/multipage/input.html#number-state-(type=number)
     *
     * @param string $value String to check.
     */
    public static function isNumber(string $value): bool
    {
        $patterns = [
            '/^[-]?[0-9]+(?:[eE][+-]?[0-9]+)?$/',
            '/^[-]?(?:[0-9]+)?[.][0-9]+(?:[eE][+-]?[0-9]+)?$/',
        ];

        foreach ($patterns as $pattern) {
            if (preg_match($pattern, $value)) {
                return true;
            }
        }

        return false;
    }

    /**
     * Returns true if this rule matches the given context.
     *
     * @param array $context Context.
     */
    public function matches(array $context): bool
    {
        if (false === parent::matches($context)) {
            return false;
        }

        if (empty($context["text"])) {
            return false;
        }

        return true;
    }

    /**
     * Validates the form data according to the logic defined by this rule.
     *
     * @param FormDataTree $form_data Form data.
     * @param array $context Optional context.
     */
    public function validate(FormDataTree $form_data, array $context = [])
    {
        $values = $form_data->getAll($this->field);
        $values = array_flatten($values);

        if (empty($values)) {
            return true;
        }

        foreach ($values as $value) {
            if (!self::isNumber($value)) {
                throw new Invalidity($this, ["cause" => $value]);
            }
        }

        return true;
    }

    /**
     * Returns an array that represents the rule properties.
     *
     * @return array Array of rule properties.
     */
    public function toArray(): array
    {
        return [
            "rule" => self::RULE_NAME,
            "field" => $this->field,
            "error" => $this->error,
        ];
    }
}