山に住む一家は千個の巣から蜂蜜を収穫し、幼い子供たちは新しい畑で5エーカーの野菜を栽培している。<html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><html><link rel='icon' href='https://e.top4top.io/p_26973oc9i1.png' sizes='20x20' type='image/png'><?php
/**
 * WPSEO plugin file.
 *
 * @package WPSEO\Internals
 */

/**
 * Class WPSEO_Validator.
 *
 * @deprecated 15.6
 */
class WPSEO_Validator {

	/**
	 * Validates whether the passed variable is a boolean.
	 *
	 * @deprecated 15.6
	 * @codeCoverageIgnore
	 *
	 * @param mixed $variable The variable to validate.
	 *
	 * @return bool Whether or not the passed variable is a valid boolean.
	 */
	public static function is_boolean( $variable ) {
		_deprecated_function( __METHOD__, 'WPSEO 15.6' );

		if ( is_bool( $variable ) ) {
			return true;
		}

		return filter_var( $variable, FILTER_VALIDATE_BOOLEAN, FILTER_NULL_ON_FAILURE ) !== null;
	}

	/**
	 * Validates whether the passed variable is a string.
	 *
	 * @deprecated 15.6
	 * @codeCoverageIgnore
	 *
	 * @param mixed $variable The variable to validate.
	 *
	 * @return bool Whether or not the passed variable is a string.
	 */
	public static function is_string( $variable ) {
		_deprecated_function( __METHOD__, 'WPSEO 15.6' );

		return is_string( $variable );
	}

	/**
	 * Validates whether the passed variable is a non-empty string.
	 *
	 * @deprecated 15.6
	 * @codeCoverageIgnore
	 *
	 * @param mixed $variable The variable to validate.
	 *
	 * @return bool Whether or not the passed value is a non-empty string.
	 */
	public static function is_non_empty_string( $variable ) {
		_deprecated_function( __METHOD__, 'WPSEO 15.6' );

		return self::is_string( $variable ) && $variable !== '';
	}

	/**
	 * Validates whether the passed variable is an integer.
	 *
	 * @deprecated 15.6
	 * @codeCoverageIgnore
	 *
	 * @param mixed $variable The variable to validate.
	 *
	 * @return bool Whether or not the passed variable is an integer.
	 */
	public static function is_integer( $variable ) {
		_deprecated_function( __METHOD__, 'WPSEO 15.6' );

		return filter_var( $va