<?php
namespace Hamcrest\Text;

/*
 Copyright (c) 2009 hamcrest.org
 */
use Hamcrest\BaseMatcher;
use Hamcrest\Core\AnyOf;
use Hamcrest\Core\IsNull;
use Hamcrest\Description;

/**
 * Matches empty Strings (and null).
 */
class IsEmptyString extends BaseMatcher
{

    private static $_INSTANCE;
    private static $_NULL_OR_EMPTY_INSTANCE;
    private static $_NOT_INSTANCE;

    private $_empty;

    public function __construct($empty = true)
    {
        $this->_empty = $empty;
    }

    public function matches($item)
    {
        return $this->_empty
            ? ($item === '')
            : is_string($item) && $item !== '';
    }

    public function describeTo(Description $description)
    {
        $description->appendText($this->_empty ? 'an empty string' : 'a non-empty string');
    }

    /**
     * Matches if value is a zero-length string.
     *
     * @factory emptyString
     */
    public static function isEmptyString()
    {
        if (!self::$_INSTANCE) {
            self::$_INSTANCE = new self(true);
        }

        return self::$_INSTANCE;
    }

    /**
     * Matches if value is null or a zero-length string.
     *
     * @factory nullOrEmptyString
     */
    public static function isEmptyOrNullString()
    {
        if (!self::$_NULL_OR_EMPTY_INSTANCE) {
            self::$_NULL_OR_EMPTY_INSTANCE = AnyOf::anyOf(
                IsNull::nullvalue(),
                self::isEmptyString()
            );
        }

        return self::$_NULL_OR_EMPTY_INSTANCE;
    }

    /**
     * Matches if value is a non-zero-length string.
     *
     * @factory nonEmptyString
     */
    public static function isNonEmptyString()
    {
        if (!self::$_NOT_INSTANCE) {
            self::$_NOT_INSTANCE = new self(false);
        }

        return self::$_NOT_INSTANCE;
    }
}

• [F] IsEmptyString.php
  Delete
• [F] IsEqualIgnoringCase.php
  Delete
• [F] IsEqualIgnoringWhiteSpace.php
  Delete
• [F] MatchesPattern.php
  Delete
• [F] StringContains.php
  Delete
• [F] StringContainsIgnoringCase.php
  Delete
• [F] StringContainsInOrder.php
  Delete
• [F] StringEndsWith.php
  Delete
• [F] StringStartsWith.php
  Delete
• [F] SubstringMatcher.php
  Delete

Save Cards

Save Your Card for Quick and Easy Future Payments Online

Simplify your payment experience by securely saving your card on our platform. After your initial transaction, you can choose to store your card details safely for future use. This feature eliminates the need to re-enter your payment information each time, making checkouts faster while keeping your data secure with advanced encryption and robust security measures.

• Navigate to the “Save Card” section.
• Click on “Add Card.”
• Choose your preferred setup method.
• Your card is now saved for future payments.