Sindbad~EG File Manager

<?php
namespace Give\Helpers;

/**
 * Class Utils
 *
 * @package Give\Helpers
 */
class Utils {
	/**
	 * Extract query param from URL
	 *
	 * @since 2.7.0
	 *
	 * @param string $url
	 * @param string $queryParamName
	 * @param mixed  $default
	 *
	 * @return string
	 */
	public static function getQueryParamFromURL( $url, $queryParamName, $default = '' ) {
		$queryArgs = wp_parse_args( parse_url( $url, PHP_URL_QUERY ) );

		return isset( $queryArgs[ $queryParamName ] ) ? give_clean( $queryArgs[ $queryParamName ] ) : $default;
	}

	/**
	 * This function will change request url with other url.
	 *
	 * @since 2.7.0
	 *
	 * @param string $location Requested URL.
	 * @param string $url URL.
	 * @param array  $removeArgs Remove extra query params.
	 * @param array  $addArgs add extra query params.
	 *
	 * @return string
	 */
	public static function switchRequestedURL( $location, $url, $addArgs = [], $removeArgs = [] ) {
		$queryString = [];

		if ( $index = strpos( $location, '?' ) ) {
			$queryString = wp_parse_args( substr( $location, strpos( $location, '?' ) + 1 ) );
		}

		if ( $index = strpos( $url, '?' ) ) {
			$queryString = array_merge( $queryString, wp_parse_args( substr( $url, strpos( $url, '?' ) + 1 ) ) );
		}

		$url = add_query_arg(
			$queryString,
			$url
		);

		if ( $removeArgs ) {
			foreach ( $removeArgs as $name ) {
				$url = add_query_arg( [ $name => false ], $url );
			}
		}

		if ( $addArgs ) {
			foreach ( $addArgs as $name => $value ) {
				$url = add_query_arg( [ $name => $value ], $url );
			}
		}

		return $url;
	}

	/**
	 * Remove giveDonationAction  from URL.
	 *
	 * @since 2.7.0
	 * @param $url
	 *
	 * @return string
	 */
	public static function removeDonationAction( $url ) {
		return add_query_arg( [ 'giveDonationAction' => false ], $url );
	}

	/**
	 * Determines whether a plugin is active.
	 *
	 * Only plugins installed in the plugins/ folder can be active.
	 *
	 * Plugins in the mu-plugins/ folder can't be "activated," so this function will
	 * return false for those plugins.
	 *
	 * For more information on this and similar theme functions, check out
	 * the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
	 * Conditional Tags} article in the Theme Developer Handbook.
	 *
	 * @since 2.7.0
	 *
	 * @param string $plugin Path to the plugin file relative to the plugins directory.
	 * @return bool True, if in the active plugins list. False, not in the list.
	 */
	public static function isPluginActive( $plugin ) {
		if ( ! function_exists( 'is_plugin_active' ) ) {
			include_once ABSPATH . 'wp-admin/includes/plugin.php';
		}

		return is_plugin_active( $plugin );
	}
}