lightspeeddevelopment / lsx-currencies

classes/class-frontend.php

Indentation +375 added lines, -375 removed lines

@@ -16,379 +16,379 @@
  */
 class Frontend {
 
-	/**
-	 * Holds instance of the class
-	 *
-	 * @var object \lsx\currencies\classes\Admin()
-	 */
-	private static $instance;
-
-	/**
-	 * This will hold the rates with a base currency of USD.
-	 *
-	 * @var boolean
-	 */
-	public $rates = false;
-
-	/**
-	 * This will hold the rates error message.
-	 *
-	 * @var boolean
-	 */
-	public $rates_message = false;
-
-	/**
-	 * This is the current currency selected, default to the base currency.
-	 *
-	 * @var boolean
-	 */
-	public $current_currency = false;
-
-	/**
-	 * Constructor
-	 */
-	public function __construct() {
-		if ( ! is_admin() ) {
-			add_action( 'plugins_loaded', array( $this, 'set_defaults' ), 11, 1 );
-			add_filter( 'lsx_to_custom_field_query', array( $this, 'price_filter' ), 20, 5 );
-			add_action( 'wp_enqueue_scripts', array( $this, 'assets' ), 5 );
-			add_filter( 'wp_nav_menu_items', array( $this, 'wp_nav_menu_items_filter' ), 10, 2 );
-			add_filter( 'wp_kses_allowed_html', array( $this, 'wp_kses_allowed_html' ), 10, 2 );
-			add_filter( 'get_post_metadata', array( $this, 'filter_post_meta' ), 100, 4 );
-		}
-	}
-
-	/**
-	 * Return an instance of this class.
-	 *
-	 * @return  object
-	 */
-	public static function init() {
-		// If the single instance hasn't been set, set it now.
-		if ( ! isset( self::$instance ) ) {
-			self::$instance = new self();
-		}
-		return self::$instance;
-	}
-
-	/**
-	 * Constructor
-	 */
-	public function set_defaults() {
-		$this->rates_message = esc_html__( 'Error: API key isn\'t set.', 'lsx-currencies' );
-		$this->rates = get_transient( 'lsx_currencies_rates' );
-		if ( false === $this->rates ) {
-			$rates         = wp_remote_retrieve_body( wp_safe_remote_get( lsx_currencies()->api_url ) );
-			$decoded_rates = json_decode( $rates );
-
-			if ( is_wp_error( $rates ) ) {
-				$this->rates_message = $rates->get_error_message();
-			} elseif ( ! empty( $decoded_rates->error ) ) {
-				$this->rates_message = $decoded_rates->description;
-			} elseif ( empty( $rates ) ) {
-				$this->rates_message = esc_html__( 'Error: API response is empty.', 'lsx-currencies' );
-			} else {
-				$this->rates_message = esc_html__( 'Success (new request).', 'lsx-currencies' );
-				set_transient( 'lsx_currencies_rates', $decoded_rates->rates, 60 * 60 * 12 );
-				do_action( 'lsx_currencies_rates_refreshed' );
-				$this->rates = $decoded_rates->rates;
-			}
-		} else {
-			$this->rates_message = esc_html__( 'Success (from cache).', 'lsx-currencies' );
-		}
-		$this->current_currency = isset( $_COOKIE['lsx_currencies_choice'] ) ? sanitize_key( $_COOKIE['lsx_currencies_choice'] ) : lsx_currencies()->base_currency;
-		$this->current_currency = strtoupper( $this->current_currency );
-	}
-
-	/**
-	 * Enques the assets
-	 */
-	public function assets() {
-		wp_enqueue_script( 'lsx-moneyjs', LSX_CURRENCIES_URL . 'assets/js/vendor/money.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
-		wp_enqueue_script( 'lsx-accountingjs', LSX_CURRENCIES_URL . 'assets/js/vendor/accounting.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
-		wp_enqueue_script( 'lsx-jquery-cookie', LSX_CURRENCIES_URL . 'assets/js/vendor/cookie.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
-
-		$prefix = '.min';
-		$src = '';
-		$script_debug = false;
-		if ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) {
-			$prefix = '';
-			$src = 'src/';
-			$script_debug = true;
-		}
-		wp_enqueue_script( 'lsx-currencies', LSX_CURRENCIES_URL . 'assets/js/' . $src . 'lsx-currencies' . $prefix . '.js', array( 'jquery', 'lsx-moneyjs', 'lsx-accountingjs', 'lsx-jquery-cookie' ), LSX_CURRENCIES_VER, true );
-
-		$base_currency = lsx_currencies()->base_currency;
-		$current_currency = $this->current_currency;
-		if ( true === lsx_currencies()->convert_to_single ) {
-			$current_currency = $base_currency;
-		}
-
-		$params = apply_filters( 'lsx_currencies_js_params', array(
-			'current_currency'  => $current_currency,
-			'currency_symbols'  => $this->get_available_symbols(),
-			'rates'             => $this->rates,
-			'rates_message'     => $this->rates_message,
-			'base'              => $base_currency,
-			'flags'             => lsx_currencies()->display_flags,
-			'convert_to_single' => lsx_currencies()->convert_to_single,
-			'script_debug'      => $script_debug,
-			'remove_decimals'   => lsx_currencies()->remove_decimals,
-		));
-
-		wp_localize_script( 'lsx-currencies', 'lsx_currencies_params', $params );
-
-		wp_enqueue_style( 'lsx-currencies', LSX_CURRENCIES_URL . 'assets/css/lsx-currencies.css', array(), LSX_CURRENCIES_VER );
-		wp_style_add_data( 'lsx-currencies', 'rtl', 'replace' );
-	}
-
-	/**
-	 * Returns all of the available symbols.
-	 *
-	 * @return array
-	 */
-	public function get_available_symbols() {
-		$symbols = array();
-		if ( false !== lsx_currencies()->additional_currencies && ! empty( lsx_currencies()->additional_currencies ) ) {
-			foreach ( lsx_currencies()->additional_currencies as $key => $currency ) {
-				$symbols[ $key ] = lsx_currencies()->currency_symbols[ $key ];
-			}
-		}
-		return $symbols;
-	}
-
-	/**
-	 * Adds in the required currency conversion tags
-	 */
-	public function price_filter( $return_html, $meta_key, $value, $before, $after ) {
-		if ( 'price' === $meta_key ) {
-			$additional_html = '';
-			$additional_prices = get_post_meta( get_the_ID(), 'additional_prices', false );
-			$prefix = '<span class="amount lsx-currencies" ';
-
-			if ( true === lsx_currencies()->multi_prices && ! empty( $additional_prices ) ) {
-				foreach ( $additional_prices as $a_price ) {
-					$additional_html .= ' data-price-' . $a_price['currency'] . '="' . $a_price['amount'] . '"';
-				}
-			}
-
-			$value = preg_replace( '/[^0-9.]+/', '', $value );
-			$decimals = substr_count( $value, '.' );
-
-			if ( false !== $decimals && $decimals > 1 ) {
-				$decimals--;
-				$decimals = (int) $decimals;
-				$value = preg_replace( '/' . preg_quote( '.', '/' ) . '/', '', $value, $decimals );
-			}
-
-			$money_format = '%i';
-			if ( false !== lsx_currencies()->remove_decimals ) {
-				$money_format = '%.0n';
-			}
-
-			$prefix .= '>';
-			$suffix = '</span>';
-
-			setlocale( LC_MONETARY, 'en_US' );
-
-			// Work out the other tags
-			$currency = '<span class="currency-icon ' . mb_strtolower( lsx_currencies()->base_currency ) . '">' . lsx_currencies()->base_currency . '</span>';
-			$amount = '<span class="value" data-price-' . lsx_currencies()->base_currency . '="' . trim( str_replace( array( '$', 'USD' ), '', money_format( (float) $money_format, ltrim( rtrim( $value ) ) ) ) ) . '" ' . $additional_html . '>' . str_replace( array( '$', 'USD' ), '', money_format( $money_format, ltrim( rtrim( $value ) ) ) ) . '</span>';
-
-			// Check for a price type and add that in.
-			$price_type = get_post_meta( get_the_ID(), 'price_type', true );
-
-			switch ( $price_type ) {
-				case 'per_person_per_night':
-				case 'per_person_sharing':
-				case 'per_person_sharing_per_night':
-					$amount = $currency . $amount . ' ' . ucwords( str_replace( '_', ' ', $price_type ) );
-				    break;
-
-				case 'total_percentage':
-					$amount .= '% ' . esc_html__( 'Off', 'lsx-currencies' );
-					$before = str_replace( 'from', '', $before );
-				    break;
-
-				case 'none':
-				default:
-					$amount = $currency . $amount;
-				    break;
-			}
-
-			$return_html = $before . $prefix . $amount . $suffix . $after;
-		}
-
-		return $return_html;
-	}
-
-	/**
-	 * Filter on the 'wp_nav_menu_items' hook, that potentially adds a currency switcher to the item of some menus.
-	 *
-	 * @param $items string
-	 * @param $args object
-	 *
-	 * @return string
-	 */
-	public function wp_nav_menu_items_filter( $items, $args ) {
-		if ( '' !== lsx_currencies()->menus && lsx_currencies()->menus === $args->theme_location ) {
-			if ( 'top-menu' === $args->theme_location ) {
-				$items = $this->get_menu_html( $args ) . $items;
-			} else {
-				$items = $items . $this->get_menu_html( $args );
-			}
-		}
-		return $items;
-	}
-
-	/**
-	 * Returns the HTML string of the language switcher for a given menu.
-	 *
-	 * @param $args object
-	 *
-	 * @return string
-	 */
-	private function get_menu_html( $args ) {
-		if ( empty( lsx_currencies()->additional_currencies ) ) {
-			return '';
-		}
-
-		$items = '';
-		$items .= '<li class="menu-item menu-item-currency menu-item-currency-current menu-item-has-children dropdown">';
-		$items .= isset( $args->before ) ? $args->before : '';
-		$items .= '<a class="current symbol-' . lsx_currencies()->switcher_symbol_position . '" href="#' . strtolower( $this->current_currency ) . '">';
-		$items .= isset( $args->link_before ) ? $args->link_before : '';
-
-		if ( ! empty( lsx_currencies()->display_flags ) && 'left' === lsx_currencies()->flag_position ) {
-			$items .= lsx_currencies()->get_currency_flag( $this->current_currency );
-		}
-
-		if ( 'left' === lsx_currencies()->switcher_symbol_position ) {
-			$items .= '<span class="currency-icon ' . strtolower( $this->current_currency ) . '"></span>';
-		}
-
-		$items .= $this->current_currency;
-
-		if ( 'right' === lsx_currencies()->switcher_symbol_position ) {
-			$items .= '<span class="currency-icon ' . strtolower( $this->current_currency ) . '"></span>';
-		}
-
-		if ( ! empty( lsx_currencies()->display_flags ) && 'right' === lsx_currencies()->flag_position ) {
-			$items .= lsx_currencies()->get_currency_flag( $this->current_currency );
-		}
-
-		$items .= isset( $args->link_after ) ? $args->link_after : '';
-		$items .= '<span class="caret"></span></a>';
-		$items .= isset( $args->after ) ? $args->after : '';
-		$items .= $this->render_sub_items();
-		$items .= '</li>';
-		return $items;
-	}
-	/**
-	 * Returns the HTML string of the language switcher for a given menu.
-	 *
-	 * @param object $args
-	 *
-	 * @return string
-	 */
-	private function render_sub_items() {
-		$sub_items = '';
-		foreach ( lsx_currencies()->additional_currencies as $key => $currency ) {
-			$hidden = '';
-			$class = '';
-
-			if ( $this->current_currency === $key ) {
-				$hidden = 'style="display:none";';
-				$class = 'hidden';
-			}
-
-			$sub_items .= '<li ' . $hidden . ' class="' . $class . ' menu-item menu-item-currency ' . lsx_currencies()->switcher_symbol_position . '">';
-			$sub_items .= '<a class=" symbol-' . lsx_currencies()->switcher_symbol_position . '" href="#' . strtolower( $key ) . '">';
-
-			if ( ! empty( lsx_currencies()->display_flags ) && 'left' === lsx_currencies()->flag_position ) {
-				$sub_items .= lsx_currencies()->get_currency_flag( $key );
-			}
-
-			if ( 'left' === lsx_currencies()->switcher_symbol_position ) {
-				$sub_items .= '<span class="currency-icon ' . strtolower( $key ) . '"></span>';
-			}
-
-			$sub_items .= ucwords( $key );
-
-			if ( 'right' === lsx_currencies()->switcher_symbol_position ) {
-				$sub_items .= '<span class="currency-icon ' . strtolower( $key ) . '"></span>';
-			}
-
-			if ( ! empty( lsx_currencies()->display_flags ) && 'right' === lsx_currencies()->flag_position ) {
-				$sub_items .= lsx_currencies()->get_currency_flag( $key );
-			}
-
-			$sub_items .= '</a></li>';
-		}
-
-		$sub_items = '<ul class="sub-menu submenu-currency dropdown-menu">' . $sub_items . '</ul>';
-		return $sub_items;
-	}
-
-	/**
-	 * Allow data params for Slick slider addon.
-	 */
-	public function wp_kses_allowed_html( $allowedtags, $context ) {
-		if ( ! isset( $allowedtags['span'] ) ) {
-			$allowedtags['span'] = array();
-		}
-
-		$allowedtags['span']['data-price-AUD'] = true;
-		$allowedtags['span']['data-price-BRL'] = true;
-		$allowedtags['span']['data-price-GBP'] = true;
-		$allowedtags['span']['data-price-BWP'] = true;
-		$allowedtags['span']['data-price-CAD'] = true;
-		$allowedtags['span']['data-price-CNY'] = true;
-		$allowedtags['span']['data-price-EUR'] = true;
-		$allowedtags['span']['data-price-HKD'] = true;
-		$allowedtags['span']['data-price-INR'] = true;
-		$allowedtags['span']['data-price-IDR'] = true;
-		$allowedtags['span']['data-price-ILS'] = true;
-		$allowedtags['span']['data-price-JPY'] = true;
-		$allowedtags['span']['data-price-KES'] = true;
-		$allowedtags['span']['data-price-LAK'] = true;
-		$allowedtags['span']['data-price-MWK'] = true;
-		$allowedtags['span']['data-price-MYR'] = true;
-		$allowedtags['span']['data-price-MZN'] = true;
-		$allowedtags['span']['data-price-NAD'] = true;
-		$allowedtags['span']['data-price-NZD'] = true;
-		$allowedtags['span']['data-price-NOK'] = true;
-		$allowedtags['span']['data-price-RUB'] = true;
-		$allowedtags['span']['data-price-SGD'] = true;
-		$allowedtags['span']['data-price-ZAR'] = true;
-		$allowedtags['span']['data-price-SEK'] = true;
-		$allowedtags['span']['data-price-CHF'] = true;
-		$allowedtags['span']['data-price-TZS'] = true;
-		$allowedtags['span']['data-price-USD'] = true;
-		$allowedtags['span']['data-price-AED'] = true;
-		$allowedtags['span']['data-price-ZMW'] = true;
-		$allowedtags['span']['data-price-ZWL'] = true;
-
-		return $allowedtags;
-	}
-
-	/**
-	 * Allow empty prices if the convert to single currency is active.
-	 *
-	 * @param null $metadata
-	 * @param string $object_id
-	 * @param string $meta_key
-	 * @param boolean $single
-	 * @return void
-	 */
-	public function filter_post_meta( $metadata = null, $object_id, $meta_key, $single ) {
-		if ( true === lsx_currencies()->convert_to_single && 'price' === $meta_key ) {
-			$meta_cache = wp_cache_get( $object_id, 'post_meta' );
-
-			if ( ! isset( $meta_cache[ $meta_key ] ) || '' === $meta_cache[ $meta_key ] ) {
-				$metadata = '0';
-			}
-		}
-		return $metadata;
-	}
+     /**
+      * Holds instance of the class
+      *
+      * @var object \lsx\currencies\classes\Admin()
+      */
+     private static $instance;
+
+     /**
+      * This will hold the rates with a base currency of USD.
+      *
+      * @var boolean
+      */
+     public $rates = false;
+
+     /**
+      * This will hold the rates error message.
+      *
+      * @var boolean
+      */
+     public $rates_message = false;
+
+     /**
+      * This is the current currency selected, default to the base currency.
+      *
+      * @var boolean
+      */
+     public $current_currency = false;
+
+     /**
+      * Constructor
+      */
+     public function __construct() {
+          if ( ! is_admin() ) {
+               add_action( 'plugins_loaded', array( $this, 'set_defaults' ), 11, 1 );
+               add_filter( 'lsx_to_custom_field_query', array( $this, 'price_filter' ), 20, 5 );
+               add_action( 'wp_enqueue_scripts', array( $this, 'assets' ), 5 );
+               add_filter( 'wp_nav_menu_items', array( $this, 'wp_nav_menu_items_filter' ), 10, 2 );
+               add_filter( 'wp_kses_allowed_html', array( $this, 'wp_kses_allowed_html' ), 10, 2 );
+               add_filter( 'get_post_metadata', array( $this, 'filter_post_meta' ), 100, 4 );
+          }
+     }
+
+     /**
+      * Return an instance of this class.
+      *
+      * @return  object
+      */
+     public static function init() {
+          // If the single instance hasn't been set, set it now.
+          if ( ! isset( self::$instance ) ) {
+               self::$instance = new self();
+          }
+          return self::$instance;
+     }
+
+     /**
+      * Constructor
+      */
+     public function set_defaults() {
+          $this->rates_message = esc_html__( 'Error: API key isn\'t set.', 'lsx-currencies' );
+          $this->rates = get_transient( 'lsx_currencies_rates' );
+          if ( false === $this->rates ) {
+               $rates         = wp_remote_retrieve_body( wp_safe_remote_get( lsx_currencies()->api_url ) );
+               $decoded_rates = json_decode( $rates );
+
+               if ( is_wp_error( $rates ) ) {
+                    $this->rates_message = $rates->get_error_message();
+               } elseif ( ! empty( $decoded_rates->error ) ) {
+                    $this->rates_message = $decoded_rates->description;
+               } elseif ( empty( $rates ) ) {
+                    $this->rates_message = esc_html__( 'Error: API response is empty.', 'lsx-currencies' );
+               } else {
+                    $this->rates_message = esc_html__( 'Success (new request).', 'lsx-currencies' );
+                    set_transient( 'lsx_currencies_rates', $decoded_rates->rates, 60 * 60 * 12 );
+                    do_action( 'lsx_currencies_rates_refreshed' );
+                    $this->rates = $decoded_rates->rates;
+               }
+          } else {
+               $this->rates_message = esc_html__( 'Success (from cache).', 'lsx-currencies' );
+          }
+          $this->current_currency = isset( $_COOKIE['lsx_currencies_choice'] ) ? sanitize_key( $_COOKIE['lsx_currencies_choice'] ) : lsx_currencies()->base_currency;
+          $this->current_currency = strtoupper( $this->current_currency );
+     }
+
+     /**
+      * Enques the assets
+      */
+     public function assets() {
+          wp_enqueue_script( 'lsx-moneyjs', LSX_CURRENCIES_URL . 'assets/js/vendor/money.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
+          wp_enqueue_script( 'lsx-accountingjs', LSX_CURRENCIES_URL . 'assets/js/vendor/accounting.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
+          wp_enqueue_script( 'lsx-jquery-cookie', LSX_CURRENCIES_URL . 'assets/js/vendor/cookie.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
+
+          $prefix = '.min';
+          $src = '';
+          $script_debug = false;
+          if ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) {
+               $prefix = '';
+               $src = 'src/';
+               $script_debug = true;
+          }
+          wp_enqueue_script( 'lsx-currencies', LSX_CURRENCIES_URL . 'assets/js/' . $src . 'lsx-currencies' . $prefix . '.js', array( 'jquery', 'lsx-moneyjs', 'lsx-accountingjs', 'lsx-jquery-cookie' ), LSX_CURRENCIES_VER, true );
+
+          $base_currency = lsx_currencies()->base_currency;
+          $current_currency = $this->current_currency;
+          if ( true === lsx_currencies()->convert_to_single ) {
+               $current_currency = $base_currency;
+          }
+
+          $params = apply_filters( 'lsx_currencies_js_params', array(
+               'current_currency'  => $current_currency,
+               'currency_symbols'  => $this->get_available_symbols(),
+               'rates'             => $this->rates,
+               'rates_message'     => $this->rates_message,
+               'base'              => $base_currency,
+               'flags'             => lsx_currencies()->display_flags,
+               'convert_to_single' => lsx_currencies()->convert_to_single,
+               'script_debug'      => $script_debug,
+               'remove_decimals'   => lsx_currencies()->remove_decimals,
+          ));
+
+          wp_localize_script( 'lsx-currencies', 'lsx_currencies_params', $params );
+
+          wp_enqueue_style( 'lsx-currencies', LSX_CURRENCIES_URL . 'assets/css/lsx-currencies.css', array(), LSX_CURRENCIES_VER );
+          wp_style_add_data( 'lsx-currencies', 'rtl', 'replace' );
+     }
+
+     /**
+      * Returns all of the available symbols.
+      *
+      * @return array
+      */
+     public function get_available_symbols() {
+          $symbols = array();
+          if ( false !== lsx_currencies()->additional_currencies && ! empty( lsx_currencies()->additional_currencies ) ) {
+               foreach ( lsx_currencies()->additional_currencies as $key => $currency ) {
+                    $symbols[ $key ] = lsx_currencies()->currency_symbols[ $key ];
+               }
+          }
+          return $symbols;
+     }
+
+     /**
+      * Adds in the required currency conversion tags
+      */
+     public function price_filter( $return_html, $meta_key, $value, $before, $after ) {
+          if ( 'price' === $meta_key ) {
+               $additional_html = '';
+               $additional_prices = get_post_meta( get_the_ID(), 'additional_prices', false );
+               $prefix = '<span class="amount lsx-currencies" ';
+
+               if ( true === lsx_currencies()->multi_prices && ! empty( $additional_prices ) ) {
+                    foreach ( $additional_prices as $a_price ) {
+                         $additional_html .= ' data-price-' . $a_price['currency'] . '="' . $a_price['amount'] . '"';
+                    }
+               }
+
+               $value = preg_replace( '/[^0-9.]+/', '', $value );
+               $decimals = substr_count( $value, '.' );
+
+               if ( false !== $decimals && $decimals > 1 ) {
+                    $decimals--;
+                    $decimals = (int) $decimals;
+                    $value = preg_replace( '/' . preg_quote( '.', '/' ) . '/', '', $value, $decimals );
+               }
+
+               $money_format = '%i';
+               if ( false !== lsx_currencies()->remove_decimals ) {
+                    $money_format = '%.0n';
+               }
+
+               $prefix .= '>';
+               $suffix = '</span>';
+
+               setlocale( LC_MONETARY, 'en_US' );
+
+               // Work out the other tags
+               $currency = '<span class="currency-icon ' . mb_strtolower( lsx_currencies()->base_currency ) . '">' . lsx_currencies()->base_currency . '</span>';
+               $amount = '<span class="value" data-price-' . lsx_currencies()->base_currency . '="' . trim( str_replace( array( '$', 'USD' ), '', money_format( (float) $money_format, ltrim( rtrim( $value ) ) ) ) ) . '" ' . $additional_html . '>' . str_replace( array( '$', 'USD' ), '', money_format( $money_format, ltrim( rtrim( $value ) ) ) ) . '</span>';
+
+               // Check for a price type and add that in.
+               $price_type = get_post_meta( get_the_ID(), 'price_type', true );
+
+               switch ( $price_type ) {
+                    case 'per_person_per_night':
+                    case 'per_person_sharing':
+                    case 'per_person_sharing_per_night':
+                         $amount = $currency . $amount . ' ' . ucwords( str_replace( '_', ' ', $price_type ) );
+                         break;
+
+                    case 'total_percentage':
+                         $amount .= '% ' . esc_html__( 'Off', 'lsx-currencies' );
+                         $before = str_replace( 'from', '', $before );
+                         break;
+
+                    case 'none':
+                    default:
+                         $amount = $currency . $amount;
+                         break;
+               }
+
+               $return_html = $before . $prefix . $amount . $suffix . $after;
+          }
+
+          return $return_html;
+     }
+
+     /**
+      * Filter on the 'wp_nav_menu_items' hook, that potentially adds a currency switcher to the item of some menus.
+      *
+      * @param $items string
+      * @param $args object
+      *
+      * @return string
+      */
+     public function wp_nav_menu_items_filter( $items, $args ) {
+          if ( '' !== lsx_currencies()->menus && lsx_currencies()->menus === $args->theme_location ) {
+               if ( 'top-menu' === $args->theme_location ) {
+                    $items = $this->get_menu_html( $args ) . $items;
+               } else {
+                    $items = $items . $this->get_menu_html( $args );
+               }
+          }
+          return $items;
+     }
+
+     /**
+      * Returns the HTML string of the language switcher for a given menu.
+      *
+      * @param $args object
+      *
+      * @return string
+      */
+     private function get_menu_html( $args ) {
+          if ( empty( lsx_currencies()->additional_currencies ) ) {
+               return '';
+          }
+
+          $items = '';
+          $items .= '<li class="menu-item menu-item-currency menu-item-currency-current menu-item-has-children dropdown">';
+          $items .= isset( $args->before ) ? $args->before : '';
+          $items .= '<a class="current symbol-' . lsx_currencies()->switcher_symbol_position . '" href="#' . strtolower( $this->current_currency ) . '">';
+          $items .= isset( $args->link_before ) ? $args->link_before : '';
+
+          if ( ! empty( lsx_currencies()->display_flags ) && 'left' === lsx_currencies()->flag_position ) {
+               $items .= lsx_currencies()->get_currency_flag( $this->current_currency );
+          }
+
+          if ( 'left' === lsx_currencies()->switcher_symbol_position ) {
+               $items .= '<span class="currency-icon ' . strtolower( $this->current_currency ) . '"></span>';
+          }
+
+          $items .= $this->current_currency;
+
+          if ( 'right' === lsx_currencies()->switcher_symbol_position ) {
+               $items .= '<span class="currency-icon ' . strtolower( $this->current_currency ) . '"></span>';
+          }
+
+          if ( ! empty( lsx_currencies()->display_flags ) && 'right' === lsx_currencies()->flag_position ) {
+               $items .= lsx_currencies()->get_currency_flag( $this->current_currency );
+          }
+
+          $items .= isset( $args->link_after ) ? $args->link_after : '';
+          $items .= '<span class="caret"></span></a>';
+          $items .= isset( $args->after ) ? $args->after : '';
+          $items .= $this->render_sub_items();
+          $items .= '</li>';
+          return $items;
+     }
+     /**
+      * Returns the HTML string of the language switcher for a given menu.
+      *
+      * @param object $args
+      *
+      * @return string
+      */
+     private function render_sub_items() {
+          $sub_items = '';
+          foreach ( lsx_currencies()->additional_currencies as $key => $currency ) {
+               $hidden = '';
+               $class = '';
+
+               if ( $this->current_currency === $key ) {
+                    $hidden = 'style="display:none";';
+                    $class = 'hidden';
+               }
+
+               $sub_items .= '<li ' . $hidden . ' class="' . $class . ' menu-item menu-item-currency ' . lsx_currencies()->switcher_symbol_position . '">';
+               $sub_items .= '<a class=" symbol-' . lsx_currencies()->switcher_symbol_position . '" href="#' . strtolower( $key ) . '">';
+
+               if ( ! empty( lsx_currencies()->display_flags ) && 'left' === lsx_currencies()->flag_position ) {
+                    $sub_items .= lsx_currencies()->get_currency_flag( $key );
+               }
+
+               if ( 'left' === lsx_currencies()->switcher_symbol_position ) {
+                    $sub_items .= '<span class="currency-icon ' . strtolower( $key ) . '"></span>';
+               }
+
+               $sub_items .= ucwords( $key );
+
+               if ( 'right' === lsx_currencies()->switcher_symbol_position ) {
+                    $sub_items .= '<span class="currency-icon ' . strtolower( $key ) . '"></span>';
+               }
+
+               if ( ! empty( lsx_currencies()->display_flags ) && 'right' === lsx_currencies()->flag_position ) {
+                    $sub_items .= lsx_currencies()->get_currency_flag( $key );
+               }
+
+               $sub_items .= '</a></li>';
+          }
+
+          $sub_items = '<ul class="sub-menu submenu-currency dropdown-menu">' . $sub_items . '</ul>';
+          return $sub_items;
+     }
+
+     /**
+      * Allow data params for Slick slider addon.
+      */
+     public function wp_kses_allowed_html( $allowedtags, $context ) {
+          if ( ! isset( $allowedtags['span'] ) ) {
+               $allowedtags['span'] = array();
+          }
+
+          $allowedtags['span']['data-price-AUD'] = true;
+          $allowedtags['span']['data-price-BRL'] = true;
+          $allowedtags['span']['data-price-GBP'] = true;
+          $allowedtags['span']['data-price-BWP'] = true;
+          $allowedtags['span']['data-price-CAD'] = true;
+          $allowedtags['span']['data-price-CNY'] = true;
+          $allowedtags['span']['data-price-EUR'] = true;
+          $allowedtags['span']['data-price-HKD'] = true;
+          $allowedtags['span']['data-price-INR'] = true;
+          $allowedtags['span']['data-price-IDR'] = true;
+          $allowedtags['span']['data-price-ILS'] = true;
+          $allowedtags['span']['data-price-JPY'] = true;
+          $allowedtags['span']['data-price-KES'] = true;
+          $allowedtags['span']['data-price-LAK'] = true;
+          $allowedtags['span']['data-price-MWK'] = true;
+          $allowedtags['span']['data-price-MYR'] = true;
+          $allowedtags['span']['data-price-MZN'] = true;
+          $allowedtags['span']['data-price-NAD'] = true;
+          $allowedtags['span']['data-price-NZD'] = true;
+          $allowedtags['span']['data-price-NOK'] = true;
+          $allowedtags['span']['data-price-RUB'] = true;
+          $allowedtags['span']['data-price-SGD'] = true;
+          $allowedtags['span']['data-price-ZAR'] = true;
+          $allowedtags['span']['data-price-SEK'] = true;
+          $allowedtags['span']['data-price-CHF'] = true;
+          $allowedtags['span']['data-price-TZS'] = true;
+          $allowedtags['span']['data-price-USD'] = true;
+          $allowedtags['span']['data-price-AED'] = true;
+          $allowedtags['span']['data-price-ZMW'] = true;
+          $allowedtags['span']['data-price-ZWL'] = true;
+
+          return $allowedtags;
+     }
+
+     /**
+      * Allow empty prices if the convert to single currency is active.
+      *
+      * @param null $metadata
+      * @param string $object_id
+      * @param string $meta_key
+      * @param boolean $single
+      * @return void
+      */
+     public function filter_post_meta( $metadata = null, $object_id, $meta_key, $single ) {
+          if ( true === lsx_currencies()->convert_to_single && 'price' === $meta_key ) {
+               $meta_cache = wp_cache_get( $object_id, 'post_meta' );
+
+               if ( ! isset( $meta_cache[ $meta_key ] ) || '' === $meta_cache[ $meta_key ] ) {
+                    $metadata = '0';
+               }
+          }
+          return $metadata;
+     }
 }

Spacing +97 added lines, -97 removed lines

@@ -48,13 +48,13 @@ 
 	 * Constructor
 	 */
 	public function __construct() {
-		if ( ! is_admin() ) {
-			add_action( 'plugins_loaded', array( $this, 'set_defaults' ), 11, 1 );
-			add_filter( 'lsx_to_custom_field_query', array( $this, 'price_filter' ), 20, 5 );
-			add_action( 'wp_enqueue_scripts', array( $this, 'assets' ), 5 );
-			add_filter( 'wp_nav_menu_items', array( $this, 'wp_nav_menu_items_filter' ), 10, 2 );
-			add_filter( 'wp_kses_allowed_html', array( $this, 'wp_kses_allowed_html' ), 10, 2 );
-			add_filter( 'get_post_metadata', array( $this, 'filter_post_meta' ), 100, 4 );
+		if (!is_admin()) {
+			add_action('plugins_loaded', array($this, 'set_defaults'), 11, 1);
+			add_filter('lsx_to_custom_field_query', array($this, 'price_filter'), 20, 5);
+			add_action('wp_enqueue_scripts', array($this, 'assets'), 5);
+			add_filter('wp_nav_menu_items', array($this, 'wp_nav_menu_items_filter'), 10, 2);
+			add_filter('wp_kses_allowed_html', array($this, 'wp_kses_allowed_html'), 10, 2);
+			add_filter('get_post_metadata', array($this, 'filter_post_meta'), 100, 4);
 		}
 	}
 
@@ -65,7 +65,7 @@ 
 	 */
 	public static function init() {
 		// If the single instance hasn't been set, set it now.
-		if ( ! isset( self::$instance ) ) {
+		if (!isset(self::$instance)) {
 			self::$instance = new self();
 		}
 		return self::$instance;
@@ -75,56 +75,56 @@ 
 	 * Constructor
 	 */
 	public function set_defaults() {
-		$this->rates_message = esc_html__( 'Error: API key isn\'t set.', 'lsx-currencies' );
-		$this->rates = get_transient( 'lsx_currencies_rates' );
-		if ( false === $this->rates ) {
-			$rates         = wp_remote_retrieve_body( wp_safe_remote_get( lsx_currencies()->api_url ) );
-			$decoded_rates = json_decode( $rates );
+		$this->rates_message = esc_html__('Error: API key isn\'t set.', 'lsx-currencies');
+		$this->rates = get_transient('lsx_currencies_rates');
+		if (false === $this->rates) {
+			$rates         = wp_remote_retrieve_body(wp_safe_remote_get(lsx_currencies()->api_url));
+			$decoded_rates = json_decode($rates);
 
-			if ( is_wp_error( $rates ) ) {
+			if (is_wp_error($rates)) {
 				$this->rates_message = $rates->get_error_message();
-			} elseif ( ! empty( $decoded_rates->error ) ) {
+			} elseif (!empty($decoded_rates->error)) {
 				$this->rates_message = $decoded_rates->description;
-			} elseif ( empty( $rates ) ) {
-				$this->rates_message = esc_html__( 'Error: API response is empty.', 'lsx-currencies' );
+			} elseif (empty($rates)) {
+				$this->rates_message = esc_html__('Error: API response is empty.', 'lsx-currencies');
 			} else {
-				$this->rates_message = esc_html__( 'Success (new request).', 'lsx-currencies' );
-				set_transient( 'lsx_currencies_rates', $decoded_rates->rates, 60 * 60 * 12 );
-				do_action( 'lsx_currencies_rates_refreshed' );
+				$this->rates_message = esc_html__('Success (new request).', 'lsx-currencies');
+				set_transient('lsx_currencies_rates', $decoded_rates->rates, 60 * 60 * 12);
+				do_action('lsx_currencies_rates_refreshed');
 				$this->rates = $decoded_rates->rates;
 			}
 		} else {
-			$this->rates_message = esc_html__( 'Success (from cache).', 'lsx-currencies' );
+			$this->rates_message = esc_html__('Success (from cache).', 'lsx-currencies');
 		}
-		$this->current_currency = isset( $_COOKIE['lsx_currencies_choice'] ) ? sanitize_key( $_COOKIE['lsx_currencies_choice'] ) : lsx_currencies()->base_currency;
-		$this->current_currency = strtoupper( $this->current_currency );
+		$this->current_currency = isset($_COOKIE['lsx_currencies_choice']) ? sanitize_key($_COOKIE['lsx_currencies_choice']) : lsx_currencies()->base_currency;
+		$this->current_currency = strtoupper($this->current_currency);
 	}
 
 	/**
 	 * Enques the assets
 	 */
 	public function assets() {
-		wp_enqueue_script( 'lsx-moneyjs', LSX_CURRENCIES_URL . 'assets/js/vendor/money.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
-		wp_enqueue_script( 'lsx-accountingjs', LSX_CURRENCIES_URL . 'assets/js/vendor/accounting.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
-		wp_enqueue_script( 'lsx-jquery-cookie', LSX_CURRENCIES_URL . 'assets/js/vendor/cookie.min.js', array( 'jquery' ), LSX_CURRENCIES_VER, true );
+		wp_enqueue_script('lsx-moneyjs', LSX_CURRENCIES_URL.'assets/js/vendor/money.min.js', array('jquery'), LSX_CURRENCIES_VER, true);
+		wp_enqueue_script('lsx-accountingjs', LSX_CURRENCIES_URL.'assets/js/vendor/accounting.min.js', array('jquery'), LSX_CURRENCIES_VER, true);
+		wp_enqueue_script('lsx-jquery-cookie', LSX_CURRENCIES_URL.'assets/js/vendor/cookie.min.js', array('jquery'), LSX_CURRENCIES_VER, true);
 
 		$prefix = '.min';
 		$src = '';
 		$script_debug = false;
-		if ( defined('SCRIPT_DEBUG') && SCRIPT_DEBUG ) {
+		if (defined('SCRIPT_DEBUG') && SCRIPT_DEBUG) {
 			$prefix = '';
 			$src = 'src/';
 			$script_debug = true;
 		}
-		wp_enqueue_script( 'lsx-currencies', LSX_CURRENCIES_URL . 'assets/js/' . $src . 'lsx-currencies' . $prefix . '.js', array( 'jquery', 'lsx-moneyjs', 'lsx-accountingjs', 'lsx-jquery-cookie' ), LSX_CURRENCIES_VER, true );
+		wp_enqueue_script('lsx-currencies', LSX_CURRENCIES_URL.'assets/js/'.$src.'lsx-currencies'.$prefix.'.js', array('jquery', 'lsx-moneyjs', 'lsx-accountingjs', 'lsx-jquery-cookie'), LSX_CURRENCIES_VER, true);
 
 		$base_currency = lsx_currencies()->base_currency;
 		$current_currency = $this->current_currency;
-		if ( true === lsx_currencies()->convert_to_single ) {
+		if (true === lsx_currencies()->convert_to_single) {
 			$current_currency = $base_currency;
 		}
 
-		$params = apply_filters( 'lsx_currencies_js_params', array(
+		$params = apply_filters('lsx_currencies_js_params', array(
 			'current_currency'  => $current_currency,
 			'currency_symbols'  => $this->get_available_symbols(),
 			'rates'             => $this->rates,
@@ -136,10 +136,10 @@ 
 			'remove_decimals'   => lsx_currencies()->remove_decimals,
 		));
 
-		wp_localize_script( 'lsx-currencies', 'lsx_currencies_params', $params );
+		wp_localize_script('lsx-currencies', 'lsx_currencies_params', $params);
 
-		wp_enqueue_style( 'lsx-currencies', LSX_CURRENCIES_URL . 'assets/css/lsx-currencies.css', array(), LSX_CURRENCIES_VER );
-		wp_style_add_data( 'lsx-currencies', 'rtl', 'replace' );
+		wp_enqueue_style('lsx-currencies', LSX_CURRENCIES_URL.'assets/css/lsx-currencies.css', array(), LSX_CURRENCIES_VER);
+		wp_style_add_data('lsx-currencies', 'rtl', 'replace');
 	}
 
 	/**
@@ -149,9 +149,9 @@ 
 	 */
 	public function get_available_symbols() {
 		$symbols = array();
-		if ( false !== lsx_currencies()->additional_currencies && ! empty( lsx_currencies()->additional_currencies ) ) {
-			foreach ( lsx_currencies()->additional_currencies as $key => $currency ) {
-				$symbols[ $key ] = lsx_currencies()->currency_symbols[ $key ];
+		if (false !== lsx_currencies()->additional_currencies && !empty(lsx_currencies()->additional_currencies)) {
+			foreach (lsx_currencies()->additional_currencies as $key => $currency) {
+				$symbols[$key] = lsx_currencies()->currency_symbols[$key];
 			}
 		}
 		return $symbols;
@@ -160,63 +160,63 @@ 
 	/**
 	 * Adds in the required currency conversion tags
 	 */
-	public function price_filter( $return_html, $meta_key, $value, $before, $after ) {
-		if ( 'price' === $meta_key ) {
+	public function price_filter($return_html, $meta_key, $value, $before, $after) {
+		if ('price' === $meta_key) {
 			$additional_html = '';
-			$additional_prices = get_post_meta( get_the_ID(), 'additional_prices', false );
+			$additional_prices = get_post_meta(get_the_ID(), 'additional_prices', false);
 			$prefix = '<span class="amount lsx-currencies" ';
 
-			if ( true === lsx_currencies()->multi_prices && ! empty( $additional_prices ) ) {
-				foreach ( $additional_prices as $a_price ) {
-					$additional_html .= ' data-price-' . $a_price['currency'] . '="' . $a_price['amount'] . '"';
+			if (true === lsx_currencies()->multi_prices && !empty($additional_prices)) {
+				foreach ($additional_prices as $a_price) {
+					$additional_html .= ' data-price-'.$a_price['currency'].'="'.$a_price['amount'].'"';
 				}
 			}
 
-			$value = preg_replace( '/[^0-9.]+/', '', $value );
-			$decimals = substr_count( $value, '.' );
+			$value = preg_replace('/[^0-9.]+/', '', $value);
+			$decimals = substr_count($value, '.');
 
-			if ( false !== $decimals && $decimals > 1 ) {
+			if (false !== $decimals && $decimals > 1) {
 				$decimals--;
 				$decimals = (int) $decimals;
-				$value = preg_replace( '/' . preg_quote( '.', '/' ) . '/', '', $value, $decimals );
+				$value = preg_replace('/'.preg_quote('.', '/').'/', '', $value, $decimals);
 			}
 
 			$money_format = '%i';
-			if ( false !== lsx_currencies()->remove_decimals ) {
+			if (false !== lsx_currencies()->remove_decimals) {
 				$money_format = '%.0n';
 			}
 
 			$prefix .= '>';
 			$suffix = '</span>';
 
-			setlocale( LC_MONETARY, 'en_US' );
+			setlocale(LC_MONETARY, 'en_US');
 
 			// Work out the other tags
-			$currency = '<span class="currency-icon ' . mb_strtolower( lsx_currencies()->base_currency ) . '">' . lsx_currencies()->base_currency . '</span>';
-			$amount = '<span class="value" data-price-' . lsx_currencies()->base_currency . '="' . trim( str_replace( array( '$', 'USD' ), '', money_format( (float) $money_format, ltrim( rtrim( $value ) ) ) ) ) . '" ' . $additional_html . '>' . str_replace( array( '$', 'USD' ), '', money_format( $money_format, ltrim( rtrim( $value ) ) ) ) . '</span>';
+			$currency = '<span class="currency-icon '.mb_strtolower(lsx_currencies()->base_currency).'">'.lsx_currencies()->base_currency.'</span>';
+			$amount = '<span class="value" data-price-'.lsx_currencies()->base_currency.'="'.trim(str_replace(array('$', 'USD'), '', money_format((float) $money_format, ltrim(rtrim($value))))).'" '.$additional_html.'>'.str_replace(array('$', 'USD'), '', money_format($money_format, ltrim(rtrim($value)))).'</span>';
 
 			// Check for a price type and add that in.
-			$price_type = get_post_meta( get_the_ID(), 'price_type', true );
+			$price_type = get_post_meta(get_the_ID(), 'price_type', true);
 
-			switch ( $price_type ) {
+			switch ($price_type) {
 				case 'per_person_per_night':
 				case 'per_person_sharing':
 				case 'per_person_sharing_per_night':
-					$amount = $currency . $amount . ' ' . ucwords( str_replace( '_', ' ', $price_type ) );
+					$amount = $currency.$amount.' '.ucwords(str_replace('_', ' ', $price_type));
 				    break;
 
 				case 'total_percentage':
-					$amount .= '% ' . esc_html__( 'Off', 'lsx-currencies' );
-					$before = str_replace( 'from', '', $before );
+					$amount .= '% '.esc_html__('Off', 'lsx-currencies');
+					$before = str_replace('from', '', $before);
 				    break;
 
 				case 'none':
 				default:
-					$amount = $currency . $amount;
+					$amount = $currency.$amount;
 				    break;
 			}
 
-			$return_html = $before . $prefix . $amount . $suffix . $after;
+			$return_html = $before.$prefix.$amount.$suffix.$after;
 		}
 
 		return $return_html;
@@ -230,12 +230,12 @@ 
 	 *
 	 * @return string
 	 */
-	public function wp_nav_menu_items_filter( $items, $args ) {
-		if ( '' !== lsx_currencies()->menus && lsx_currencies()->menus === $args->theme_location ) {
-			if ( 'top-menu' === $args->theme_location ) {
-				$items = $this->get_menu_html( $args ) . $items;
+	public function wp_nav_menu_items_filter($items, $args) {
+		if ('' !== lsx_currencies()->menus && lsx_currencies()->menus === $args->theme_location) {
+			if ('top-menu' === $args->theme_location) {
+				$items = $this->get_menu_html($args).$items;
 			} else {
-				$items = $items . $this->get_menu_html( $args );
+				$items = $items.$this->get_menu_html($args);
 			}
 		}
 		return $items;
@@ -248,38 +248,38 @@ 
 	 *
 	 * @return string
 	 */
-	private function get_menu_html( $args ) {
-		if ( empty( lsx_currencies()->additional_currencies ) ) {
+	private function get_menu_html($args) {
+		if (empty(lsx_currencies()->additional_currencies)) {
 			return '';
 		}
 
 		$items = '';
 		$items .= '<li class="menu-item menu-item-currency menu-item-currency-current menu-item-has-children dropdown">';
-		$items .= isset( $args->before ) ? $args->before : '';
-		$items .= '<a class="current symbol-' . lsx_currencies()->switcher_symbol_position . '" href="#' . strtolower( $this->current_currency ) . '">';
-		$items .= isset( $args->link_before ) ? $args->link_before : '';
+		$items .= isset($args->before) ? $args->before : '';
+		$items .= '<a class="current symbol-'.lsx_currencies()->switcher_symbol_position.'" href="#'.strtolower($this->current_currency).'">';
+		$items .= isset($args->link_before) ? $args->link_before : '';
 
-		if ( ! empty( lsx_currencies()->display_flags ) && 'left' === lsx_currencies()->flag_position ) {
-			$items .= lsx_currencies()->get_currency_flag( $this->current_currency );
+		if (!empty(lsx_currencies()->display_flags) && 'left' === lsx_currencies()->flag_position) {
+			$items .= lsx_currencies()->get_currency_flag($this->current_currency);
 		}
 
-		if ( 'left' === lsx_currencies()->switcher_symbol_position ) {
-			$items .= '<span class="currency-icon ' . strtolower( $this->current_currency ) . '"></span>';
+		if ('left' === lsx_currencies()->switcher_symbol_position) {
+			$items .= '<span class="currency-icon '.strtolower($this->current_currency).'"></span>';
 		}
 
 		$items .= $this->current_currency;
 
-		if ( 'right' === lsx_currencies()->switcher_symbol_position ) {
-			$items .= '<span class="currency-icon ' . strtolower( $this->current_currency ) . '"></span>';
+		if ('right' === lsx_currencies()->switcher_symbol_position) {
+			$items .= '<span class="currency-icon '.strtolower($this->current_currency).'"></span>';
 		}
 
-		if ( ! empty( lsx_currencies()->display_flags ) && 'right' === lsx_currencies()->flag_position ) {
-			$items .= lsx_currencies()->get_currency_flag( $this->current_currency );
+		if (!empty(lsx_currencies()->display_flags) && 'right' === lsx_currencies()->flag_position) {
+			$items .= lsx_currencies()->get_currency_flag($this->current_currency);
 		}
 
-		$items .= isset( $args->link_after ) ? $args->link_after : '';
+		$items .= isset($args->link_after) ? $args->link_after : '';
 		$items .= '<span class="caret"></span></a>';
-		$items .= isset( $args->after ) ? $args->after : '';
+		$items .= isset($args->after) ? $args->after : '';
 		$items .= $this->render_sub_items();
 		$items .= '</li>';
 		return $items;
@@ -293,48 +293,48 @@ 
 	 */
 	private function render_sub_items() {
 		$sub_items = '';
-		foreach ( lsx_currencies()->additional_currencies as $key => $currency ) {
+		foreach (lsx_currencies()->additional_currencies as $key => $currency) {
 			$hidden = '';
 			$class = '';
 
-			if ( $this->current_currency === $key ) {
+			if ($this->current_currency === $key) {
 				$hidden = 'style="display:none";';
 				$class = 'hidden';
 			}
 
-			$sub_items .= '<li ' . $hidden . ' class="' . $class . ' menu-item menu-item-currency ' . lsx_currencies()->switcher_symbol_position . '">';
-			$sub_items .= '<a class=" symbol-' . lsx_currencies()->switcher_symbol_position . '" href="#' . strtolower( $key ) . '">';
+			$sub_items .= '<li '.$hidden.' class="'.$class.' menu-item menu-item-currency '.lsx_currencies()->switcher_symbol_position.'">';
+			$sub_items .= '<a class=" symbol-'.lsx_currencies()->switcher_symbol_position.'" href="#'.strtolower($key).'">';
 
-			if ( ! empty( lsx_currencies()->display_flags ) && 'left' === lsx_currencies()->flag_position ) {
-				$sub_items .= lsx_currencies()->get_currency_flag( $key );
+			if (!empty(lsx_currencies()->display_flags) && 'left' === lsx_currencies()->flag_position) {
+				$sub_items .= lsx_currencies()->get_currency_flag($key);
 			}
 
-			if ( 'left' === lsx_currencies()->switcher_symbol_position ) {
-				$sub_items .= '<span class="currency-icon ' . strtolower( $key ) . '"></span>';
+			if ('left' === lsx_currencies()->switcher_symbol_position) {
+				$sub_items .= '<span class="currency-icon '.strtolower($key).'"></span>';
 			}
 
-			$sub_items .= ucwords( $key );
+			$sub_items .= ucwords($key);
 
-			if ( 'right' === lsx_currencies()->switcher_symbol_position ) {
-				$sub_items .= '<span class="currency-icon ' . strtolower( $key ) . '"></span>';
+			if ('right' === lsx_currencies()->switcher_symbol_position) {
+				$sub_items .= '<span class="currency-icon '.strtolower($key).'"></span>';
 			}
 
-			if ( ! empty( lsx_currencies()->display_flags ) && 'right' === lsx_currencies()->flag_position ) {
-				$sub_items .= lsx_currencies()->get_currency_flag( $key );
+			if (!empty(lsx_currencies()->display_flags) && 'right' === lsx_currencies()->flag_position) {
+				$sub_items .= lsx_currencies()->get_currency_flag($key);
 			}
 
 			$sub_items .= '</a></li>';
 		}
 
-		$sub_items = '<ul class="sub-menu submenu-currency dropdown-menu">' . $sub_items . '</ul>';
+		$sub_items = '<ul class="sub-menu submenu-currency dropdown-menu">'.$sub_items.'</ul>';
 		return $sub_items;
 	}
 
 	/**
 	 * Allow data params for Slick slider addon.
 	 */
-	public function wp_kses_allowed_html( $allowedtags, $context ) {
-		if ( ! isset( $allowedtags['span'] ) ) {
+	public function wp_kses_allowed_html($allowedtags, $context) {
+		if (!isset($allowedtags['span'])) {
 			$allowedtags['span'] = array();
 		}
 
@@ -381,11 +381,11 @@ 
 	 * @param boolean $single
 	 * @return void
 	 */
-	public function filter_post_meta( $metadata = null, $object_id, $meta_key, $single ) {
-		if ( true === lsx_currencies()->convert_to_single && 'price' === $meta_key ) {
-			$meta_cache = wp_cache_get( $object_id, 'post_meta' );
+	public function filter_post_meta($metadata = null, $object_id, $meta_key, $single) {
+		if (true === lsx_currencies()->convert_to_single && 'price' === $meta_key) {
+			$meta_cache = wp_cache_get($object_id, 'post_meta');
 
-			if ( ! isset( $meta_cache[ $meta_key ] ) || '' === $meta_cache[ $meta_key ] ) {
+			if (!isset($meta_cache[$meta_key]) || '' === $meta_cache[$meta_key]) {
 				$metadata = '0';
 			}
 		}