seb86 / WooCommerce-Subscription-Shortcodes

includes/class-wcs-shortcodes.php

Doc Comments +1 added lines

@@ -1046,6 +1046,7 @@
 	 *
 	 * @param int $product_id The product/post ID of the subscription
 	 * @param mixed $from_date A MySQL formatted date/time string from which to calculate the expiration date (in UTC timezone), or empty (default), which will use today's date/time (in UTC timezone).
+	 * @return string
 	 */
 	public static function get_trial_expiration_date( $product_id, $from_date = '' ) {
 		$trial_expiration_date = WC_Subscriptions_Product::get_trial_expiration_date( $product_id, $from_date );

Spacing +328 added lines, -328 removed lines

@@ -27,18 +27,18 @@ 
 			'subscription_initial_payment' => 'get_subscription_initial',
 		);
 
-		foreach ( $shortcodes as $shortcode => $function ) {
-			add_shortcode( apply_filters( "{$shortcode}_shortcode_tag", $shortcode ), array( __CLASS__, $function ) );
+		foreach ($shortcodes as $shortcode => $function) {
+			add_shortcode(apply_filters("{$shortcode}_shortcode_tag", $shortcode), array(__CLASS__, $function));
 		} // END foreach()
 
 		// Adds support for product types that have subscription scheme options.
-		add_filter( 'woocommerce_is_subscription', array( __CLASS__, 'force_is_subscription' ), 10, 3 );
+		add_filter('woocommerce_is_subscription', array(__CLASS__, 'force_is_subscription'), 10, 3);
 
 		// Adds alternative subscription price from the WooCommerce extension "Subscribe to All the Things" and returns the lowest scheme price.
-		add_action( 'woocommerce_subscriptions_shortcode_get_price', array( __CLASS__, 'get_satt_lowest_price' ), 10, 1 );
+		add_action('woocommerce_subscriptions_shortcode_get_price', array(__CLASS__, 'get_satt_lowest_price'), 10, 1);
 
 		// Adds the product types supported from the WooCommerce extension "Subscribe to All the Things".
-		add_filter( 'wcss_product_types', array( __CLASS__, 'support_product_types_for_wc_satt' ), 10, 1 );
+		add_filter('wcss_product_types', array(__CLASS__, 'support_product_types_for_wc_satt'), 10, 1);
 	} // END init()
 
 	/**
@@ -49,10 +49,10 @@ 
 	 * @return array
 	 */
 	public static function get_supported_product_types() {
-		return apply_filters( 'wcss_product_types', array(
+		return apply_filters('wcss_product_types', array(
 			'subscription', 
 			'subscription-variation', 
-		) );
+		));
 	} // END get_supported_product_types()
 
 	/**
@@ -63,13 +63,13 @@ 
 	 * @param  object $product
 	 * @return bool
 	 */
-	public static function force_is_subscription( $is_subscription, $product_id, $product ) {
-		if ( ! is_object( $product ) ) {
-			$product = wc_get_product( $product_id );
+	public static function force_is_subscription($is_subscription, $product_id, $product) {
+		if ( ! is_object($product)) {
+			$product = wc_get_product($product_id);
 		}
 
-		if ( in_array( $product->product_type, self::get_supported_product_types() ) ) {
-			if ( class_exists( 'WCS_ATT_Schemes' ) && WCS_ATT_Schemes::get_product_subscription_schemes( $product ) ) {
+		if (in_array($product->product_type, self::get_supported_product_types())) {
+			if (class_exists('WCS_ATT_Schemes') && WCS_ATT_Schemes::get_product_subscription_schemes($product)) {
 				$is_subscription = true;
 			}
 		}
@@ -83,15 +83,15 @@ 
 	 * @param  WC_Product $product
 	 * @return string
 	 */
-	public static function get_price( $product ) {
-		if ( WC_Subscriptions_Product::get_price( $product->id ) > 0 ) {
+	public static function get_price($product) {
+		if (WC_Subscriptions_Product::get_price($product->id) > 0) {
 
-			return ecs_html( WC_Subscriptions_Product::get_price( $product->id, array(
+			return ecs_html(WC_Subscriptions_Product::get_price($product->id, array(
 				'subscription_period' => false,
 				'subscription_length' => false,
 				'sign_up_fee'         => false,
 				'trial_length'        => false,
-			) ) );
+			)));
 
 		} else {
 
@@ -100,7 +100,7 @@ 
 			 *
 			 * hooked: get_satt_lowest_price - 10
 			 */
-			do_action( 'woocommerce_subscriptions_shortcode_get_price', $product );
+			do_action('woocommerce_subscriptions_shortcode_get_price', $product);
 
 		}
 	} // END get_price()
@@ -112,11 +112,11 @@ 
 	 * @param  WC_Product $product
 	 * @return string
 	 */
-	public static function get_satt_lowest_scheme_data( $product ) {
-		if ( class_exists( 'WCS_ATT_Schemes' ) && class_exists( 'WCS_ATT_Scheme_Prices' ) ) {
-			$product_level_schemes = WCS_ATT_Schemes::get_product_subscription_schemes( $product );
+	public static function get_satt_lowest_scheme_data($product) {
+		if (class_exists('WCS_ATT_Schemes') && class_exists('WCS_ATT_Scheme_Prices')) {
+			$product_level_schemes = WCS_ATT_Schemes::get_product_subscription_schemes($product);
 
-			return WCS_ATT_Scheme_Prices::get_lowest_price_subscription_scheme_data( $product, $product_level_schemes );
+			return WCS_ATT_Scheme_Prices::get_lowest_price_subscription_scheme_data($product, $product_level_schemes);
 		}
 	} // END get_satt_lowest_scheme()
 
@@ -127,42 +127,42 @@ 
 	 * @param  WC_Product $product
 	 * @return string
 	 */
-	public static function get_satt_lowest_price( $product ) {
-		$scheme = self::get_satt_lowest_scheme_data( $product );
+	public static function get_satt_lowest_price($product) {
+		$scheme = self::get_satt_lowest_scheme_data($product);
 
-		if ( !empty( $scheme ) && is_array( $scheme ) ) {
+		if ( ! empty($scheme) && is_array($scheme)) {
 			// Override price?
-			$override = $scheme['scheme']['subscription_pricing_method'];
+			$override = $scheme[ 'scheme' ][ 'subscription_pricing_method' ];
 
 			// Discount?
-			$discount = $scheme['scheme']['subscription_discount'];
+			$discount = $scheme[ 'scheme' ][ 'subscription_discount' ];
 
 			// Prices
 			$prices = array(
-				'price'                      => $scheme['price'],
-				'regular_price'              => $scheme['regular_price'],
-				'sale_price'                 => $scheme['sale_price'],
-				'subscription_price'         => $scheme['scheme']['subscription_price'],
-				'subscription_regular_price' => $scheme['scheme']['subscription_regular_price'],
-				'subscription_sale_price'    => $scheme['scheme']['subscription_sale_price']
+				'price'                      => $scheme[ 'price' ],
+				'regular_price'              => $scheme[ 'regular_price' ],
+				'sale_price'                 => $scheme[ 'sale_price' ],
+				'subscription_price'         => $scheme[ 'scheme' ][ 'subscription_price' ],
+				'subscription_regular_price' => $scheme[ 'scheme' ][ 'subscription_regular_price' ],
+				'subscription_sale_price'    => $scheme[ 'scheme' ][ 'subscription_sale_price' ]
 			);
 
 			// Prepare the price
 			$price = '';
 
-			if ( 'inherit' == $override ) {
-				$price = empty( $discount ) ? $price : ( empty( $prices[ 'regular_price' ] ) ? $prices[ 'regular_price' ] : round( ( double ) $prices[ 'regular_price' ] * ( 100 - $discount ) / 100, wc_get_price_decimals() ) );
-			} else if ( 'override' == $override ) {
-				$price = $prices['subscription_price'];
+			if ('inherit' == $override) {
+				$price = empty($discount) ? $price : (empty($prices[ 'regular_price' ]) ? $prices[ 'regular_price' ] : round((double) $prices[ 'regular_price' ] * (100 - $discount) / 100, wc_get_price_decimals()));
+			} else if ('override' == $override) {
+				$price = $prices[ 'subscription_price' ];
 
-				if ( $prices[ 'subscription_price' ] < $prices[ 'subscription_regular_price' ] ) {
+				if ($prices[ 'subscription_price' ] < $prices[ 'subscription_regular_price' ]) {
 					$price = $prices[ 'subscription_sale_price' ];
 				}
 			}
 
 			// If the price is returned as an array, return just the first.
-			if ( is_array( $price ) ) {
-				$price = $price[0];
+			if (is_array($price)) {
+				$price = $price[ 0 ];
 			}
 
 			return $price;
@@ -178,10 +178,10 @@ 
 	 * @param  array   $atts
 	 * @return string
 	 */
-	public static function get_subscription_price( $atts ) {
+	public static function get_subscription_price($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'           => '',
 			'sku'          => '',
 			'period'       => false,
@@ -190,47 +190,47 @@ 
 			'trial_length' => false,
 			'before_price' => '<span class="price subscription-price">',
 			'after_price'  => '</span>',
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
-		$price_html = WC_Subscriptions_Product::get_price_string( $product_data->id, array(
-			'price'               => self::get_price( $product_data ),
-			'subscription_period' => isset( $atts['period'] ) ? $atts['period'] : true,
-			'subscription_length' => isset( $atts['length'] ) ? $atts['length'] : true,
-			'sign_up_fee'         => isset( $atts['sign_up_fee'] ) ? $atts['sign_up_fee'] : true,
-			'trial_length'        => isset( $atts['trial_length'] ) ? $atts['trial_length'] : true,
-		) );
+		$price_html = WC_Subscriptions_Product::get_price_string($product_data->id, array(
+			'price'               => self::get_price($product_data),
+			'subscription_period' => isset($atts[ 'period' ]) ? $atts[ 'period' ] : true,
+			'subscription_length' => isset($atts[ 'length' ]) ? $atts[ 'length' ] : true,
+			'sign_up_fee'         => isset($atts[ 'sign_up_fee' ]) ? $atts[ 'sign_up_fee' ] : true,
+			'trial_length'        => isset($atts[ 'trial_length' ]) ? $atts[ 'trial_length' ] : true,
+		));
 
 		// Clean the subscription price wrapper.
 		$price_html = str_replace('<span class="subscription-details">', '', $price_html);
 		$price_html = str_replace('</span">', '', $price_html);
 
 		// Trim the whitespace.
-		$price_html = trim( $price_html );
+		$price_html = trim($price_html);
 
 		// Convert to Price Tag.
-		$price_html = wc_price( $price_html );
+		$price_html = wc_price($price_html);
 
-		$price_html = sprintf( __( '%s%s%s', WCSS::TEXT_DOMAIN ), $atts['before_price'], $price_html, $atts['after_price'] );
+		$price_html = sprintf(__('%s%s%s', WCSS::TEXT_DOMAIN), $atts[ 'before_price' ], $price_html, $atts[ 'after_price' ]);
 
-		echo html_entity_decode( $price_html );
+		echo html_entity_decode($price_html);
 
 		return ob_get_clean();
 	} // END get_subscription_price()
@@ -243,46 +243,46 @@ 
 	 * @param  array   $atts
 	 * @return string
 	 */
-	public static function get_subscription_price_meta( $atts ) {
+	public static function get_subscription_price_meta($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'           => '',
 			'sku'          => '',
 			'meta'         => 'both',
 			'before_price' => '',
 			'after_price'  => '',
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
-		$price = WC_Subscriptions_Product::get_price( $product_data->id );
+		$price = WC_Subscriptions_Product::get_price($product_data->id);
 
 		// Remove the subscription price wrapper.
 		$price_html = str_replace('<span class="subscription-details">', '', $price);
 		$price = str_replace('</span">', '', $price_html);
 
 		// If the subscription product has no price, then look for alternative.
-		if ( empty( $price ) ) {
-			$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		if (empty($price)) {
+			$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-			if ( !empty( $scheme ) && is_array( $scheme ) ) {
+			if ( ! empty($scheme) && is_array($scheme)) {
 
 				// These values will be overridden. They are defined here to acknowledge their existence.
 				$price = '';
@@ -290,30 +290,30 @@ 
 				$sale_price = '';
 
 				$prices = array(
-					'price'                      => $scheme['price'],
-					'regular_price'              => $scheme['regular_price'],
-					'sale_price'                 => $scheme['sale_price'],
-					'method'                     => $scheme['scheme']['subscription_pricing_method'],
-					'subscription_price'         => $scheme['scheme']['subscription_price'],
-					'subscription_regular_price' => $scheme['scheme']['subscription_regular_price'],
-					'subscription_sale_price'    => $scheme['scheme']['subscription_sale_price']
+					'price'                      => $scheme[ 'price' ],
+					'regular_price'              => $scheme[ 'regular_price' ],
+					'sale_price'                 => $scheme[ 'sale_price' ],
+					'method'                     => $scheme[ 'scheme' ][ 'subscription_pricing_method' ],
+					'subscription_price'         => $scheme[ 'scheme' ][ 'subscription_price' ],
+					'subscription_regular_price' => $scheme[ 'scheme' ][ 'subscription_regular_price' ],
+					'subscription_sale_price'    => $scheme[ 'scheme' ][ 'subscription_sale_price' ]
 				);
 
 				// Return the subscription price based on the pricing method.
-				switch( $prices['method'] ) {
+				switch ($prices[ 'method' ]) {
 					case 'override':
-						$price         = $prices['subscription_price'];
-						$regular_price = $prices['subscription_regular_price'];
-						$sale_price    = $prices['subscription_sale_price'];
+						$price         = $prices[ 'subscription_price' ];
+						$regular_price = $prices[ 'subscription_regular_price' ];
+						$sale_price    = $prices[ 'subscription_sale_price' ];
 						break;
 					case 'inherit':
-						$discount      = $scheme['scheme']['subscription_discount'];
-						$price         = $prices['price'];
-						$regular_price = $prices['regular_price'];
-						$sale_price    = $prices['sale_price'];
+						$discount      = $scheme[ 'scheme' ][ 'subscription_discount' ];
+						$price         = $prices[ 'price' ];
+						$regular_price = $prices[ 'regular_price' ];
+						$sale_price    = $prices[ 'sale_price' ];
 
-						if ( !empty( $discount ) && $discount > 0 ) {
-							$sale_price = round( ( double ) $regular_price * ( 100 - $discount ) / 100, wc_get_price_decimals() );
+						if ( ! empty($discount) && $discount > 0) {
+							$sale_price = round((double) $regular_price * (100 - $discount) / 100, wc_get_price_decimals());
 						}
 
 						break;
@@ -321,42 +321,42 @@ 
 
 				// Display both the regular price striked out and the sale price 
 				// should the active price be less than the regular price.
-				if ( $atts['meta'] != 'active' && !empty( $sale_price ) && $price < $regular_price ) {
-					$price = '<del>' . ( ( is_numeric( $regular_price ) ) ? wc_price( $regular_price ) : $regular_price ) . '</del> <ins>' . ( ( is_numeric( $sale_price ) ) ? wc_price( $sale_price ) : $sale_price ) . '</ins>';
+				if ($atts[ 'meta' ] != 'active' && ! empty($sale_price) && $price < $regular_price) {
+					$price = '<del>' . ((is_numeric($regular_price)) ? wc_price($regular_price) : $regular_price) . '</del> <ins>' . ((is_numeric($sale_price)) ? wc_price($sale_price) : $sale_price) . '</ins>';
 
 					// Trim the whitespace.
-					$price = trim( $price );
+					$price = trim($price);
 				}
 
 				// Override the value should only one value be returned.
-				if ( $atts['meta'] != 'both' ) {
-					if ( $atts['meta'] == 'active' ) {
+				if ($atts[ 'meta' ] != 'both') {
+					if ($atts[ 'meta' ] == 'active') {
 						$price = $price;
 					}
 
-					if ( $atts['meta'] == 'regular' ) {
+					if ($atts[ 'meta' ] == 'regular') {
 						$price = $regular_price;
 					}
 
-					if ( $atts['meta'] == 'sale' ) {
+					if ($atts[ 'meta' ] == 'sale') {
 						$price = $sale_price;
 					}
 				}
 
-				if ( is_numeric( $price ) ) {
-					$price = wc_price( $price );
+				if (is_numeric($price)) {
+					$price = wc_price($price);
 				}
 
 				// Clean the price tag.
-				$price = self::clean_wc_price( $price );
+				$price = self::clean_wc_price($price);
 
 			}
 
 		}
 
-		$price_html = sprintf( __( '%s%s%s', WCSS::TEXT_DOMAIN ), $atts['before_price'], $price, $atts['after_price'] );
+		$price_html = sprintf(__('%s%s%s', WCSS::TEXT_DOMAIN), $atts[ 'before_price' ], $price, $atts[ 'after_price' ]);
 
-		echo html_entity_decode( $price_html );
+		echo html_entity_decode($price_html);
 
 		return ob_get_clean();
 	} // END get_subscription_price_meta()
@@ -369,27 +369,27 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_discount( $atts ) {
+	public static function get_subscription_discount($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'  => '',
 			'sku' => '',
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
@@ -399,18 +399,18 @@ 
 		$discount = ''; // Returns empty by default.
 
 		// Get Subscription Discount - Only available with the WooCommerce extension "Subscribe to All the Things".
-		$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-		if ( !empty( $scheme ) && is_array( $scheme ) ) {
+		if ( ! empty($scheme) && is_array($scheme)) {
 			// Override price?
-			$override = $scheme['scheme']['subscription_pricing_method'];
+			$override = $scheme[ 'scheme' ][ 'subscription_pricing_method' ];
 
 			// Discount ?
-			$discount = $scheme['scheme']['subscription_discount'];
+			$discount = $scheme[ 'scheme' ][ 'subscription_discount' ];
 		}
 
-		if ( ! empty( $discount ) && is_numeric( $discount ) && $override == 'inherit' ) {
-			$discount = sprintf( __( '%s%s %s', WCSS::TEXT_DOMAIN ), $discount, '%', apply_filters( 'wcs_shortcodes_sub_discount_string', __( 'discount', WCSS::TEXT_DOMAIN ) ) );
+		if ( ! empty($discount) && is_numeric($discount) && $override == 'inherit') {
+			$discount = sprintf(__('%s%s %s', WCSS::TEXT_DOMAIN), $discount, '%', apply_filters('wcs_shortcodes_sub_discount_string', __('discount', WCSS::TEXT_DOMAIN)));
 		}
 
 		echo $discount;
@@ -424,47 +424,47 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_period( $atts ) {
+	public static function get_subscription_period($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'  => '',
 			'sku' => '',
 			'raw' => false
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Get Subscription Period
-		$period = WC_Subscriptions_Product::get_period( $product_data );
+		$period = WC_Subscriptions_Product::get_period($product_data);
 
 		// If the period is empty, look for alternative.
-		if ( empty( $period ) ) {
-			$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		if (empty($period)) {
+			$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-			if ( !empty( $scheme ) && is_array( $scheme ) ) {
-				$period = $scheme['scheme']['subscription_period'];
+			if ( ! empty($scheme) && is_array($scheme)) {
+				$period = $scheme[ 'scheme' ][ 'subscription_period' ];
 			}
 		}
 
-		if ( ! $atts['raw'] ) {
-			$period = sprintf( __( 'Per %s', WCSS::TEXT_DOMAIN ), $period );
+		if ( ! $atts[ 'raw' ]) {
+			$period = sprintf(__('Per %s', WCSS::TEXT_DOMAIN), $period);
 			$period = ucwords($period);
 		}
 
@@ -479,41 +479,41 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_period_interval( $atts ) {
+	public static function get_subscription_period_interval($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'  => '',
 			'sku' => '',
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Get Subscription Period Interval
-		$period_interval = WC_Subscriptions_Product::get_interval( $product_data );
+		$period_interval = WC_Subscriptions_Product::get_interval($product_data);
 
 		// If the period is empty, look for alternative.
-		if ( empty( $period_interval ) ) {
-			$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		if (empty($period_interval)) {
+			$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-			if ( !empty( $scheme ) && is_array( $scheme ) ) {
-				$period_interval = $scheme['scheme']['subscription_period_interval'];
+			if ( ! empty($scheme) && is_array($scheme)) {
+				$period_interval = $scheme[ 'scheme' ][ 'subscription_period_interval' ];
 			}
 		}
 
@@ -528,52 +528,52 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_length( $atts ) {
+	public static function get_subscription_length($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'  => '',
 			'sku' => '',
 			'raw' => false,
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Get Subscription Length
-		$length = WC_Subscriptions_Product::get_length( $product_data );
+		$length = WC_Subscriptions_Product::get_length($product_data);
 
 		// If the length is empty, look for alternative.
-		if ( empty( $length ) ) {
-			$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		if (empty($length)) {
+			$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-			if ( !empty( $scheme ) && is_array( $scheme ) ) {
+			if ( ! empty($scheme) && is_array($scheme)) {
 
-				$period = self::get_subscription_period( array( 'id' => $product_data->id, 'raw' => true ) );
-				$length = $scheme['scheme']['subscription_length'];
+				$period = self::get_subscription_period(array('id' => $product_data->id, 'raw' => true));
+				$length = $scheme[ 'scheme' ][ 'subscription_length' ];
 
 				// If we are not returning raw data then making it readable for humans.
-				if ( ! $atts['raw'] ) {
+				if ( ! $atts[ 'raw' ]) {
 
-					if ( $length > 0 ) {
-						$length = sprintf( '%s %s', $length, $period );
+					if ($length > 0) {
+						$length = sprintf('%s %s', $length, $period);
 					} else {
-						$length = sprintf( __( 'Every %s', WCSS::TEXT_DOMAIN ), $period );
+						$length = sprintf(__('Every %s', WCSS::TEXT_DOMAIN), $period);
 					}
 
 					$length = ucfirst($length);
@@ -595,59 +595,59 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_sign_up_fee( $atts ) {
+	public static function get_subscription_sign_up_fee($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'           => '',
 			'sku'          => '',
 			'raw'          => false,
 			'before_price' => '',
 			'after_price'  => '',
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Get Subscription Sign Up Fee
-		$sign_up_fee = WC_Subscriptions_Product::get_sign_up_fee( $product_data );
+		$sign_up_fee = WC_Subscriptions_Product::get_sign_up_fee($product_data);
 
 		// If the sign up fee is empty, look for alternative.
-		if ( empty( $sign_up_fee ) ) {
-			$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		if (empty($sign_up_fee)) {
+			$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-			if ( !empty( $scheme ) && is_array( $scheme ) ) {
-				$sign_up_fee = $scheme['scheme']['subscription_sign_up_fee'];
+			if ( ! empty($scheme) && is_array($scheme)) {
+				$sign_up_fee = $scheme[ 'scheme' ][ 'subscription_sign_up_fee' ];
 			}
 		}
 
-		if ( ! $atts['raw'] ) {
+		if ( ! $atts[ 'raw' ]) {
 			// Convert number into a price tag.
-			if ( is_numeric( $sign_up_fee ) ) {
-				$sign_up_fee = wc_price( $sign_up_fee );
+			if (is_numeric($sign_up_fee)) {
+				$sign_up_fee = wc_price($sign_up_fee);
 			}
 
 			// Clean the price tag.
-			$sign_up_fee = self::clean_wc_price( $sign_up_fee );
+			$sign_up_fee = self::clean_wc_price($sign_up_fee);
 
-			$price_html = sprintf( __( '%s%s%s', WCSS::TEXT_DOMAIN ), $atts['before_price'], $sign_up_fee, $atts['after_price'] );
+			$price_html = sprintf(__('%s%s%s', WCSS::TEXT_DOMAIN), $atts[ 'before_price' ], $sign_up_fee, $atts[ 'after_price' ]);
 
-			$sign_up_fee = html_entity_decode( $price_html );
+			$sign_up_fee = html_entity_decode($price_html);
 		}
 
 		echo $sign_up_fee;
@@ -661,55 +661,55 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_trial_string( $atts ) {
+	public static function get_subscription_trial_string($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'  => '',
 			'sku' => '',
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Get Subscription Trial Length
-		$trial_length = self::get_subscription_trial_length( array( 'id' => $product_data->id ) );
+		$trial_length = self::get_subscription_trial_length(array('id' => $product_data->id));
 
 		// Get Subscription Trial Period
-		$trial_period = self::get_subscription_trial_period( array( 'id' => $product_data->id, 'raw' => true ) );
+		$trial_period = self::get_subscription_trial_period(array('id' => $product_data->id, 'raw' => true));
 
-		if ( ! empty( $trial_length ) && $trial_length > 0 ) {
+		if ( ! empty($trial_length) && $trial_length > 0) {
 
-			switch ( $trial_period ) {
+			switch ($trial_period) {
 				case 'day':
-					echo sprintf( _n( '%s day', '%s days', $trial_length, WCSS::TEXT_DOMAIN ), $trial_length );
+					echo sprintf(_n('%s day', '%s days', $trial_length, WCSS::TEXT_DOMAIN), $trial_length);
 					break;
 
 				case 'week':
-					echo sprintf( _n( '%s week', '%s weeks', $trial_length, WCSS::TEXT_DOMAIN ), $trial_length );
+					echo sprintf(_n('%s week', '%s weeks', $trial_length, WCSS::TEXT_DOMAIN), $trial_length);
 					break;
 
 				case 'month':
-					echo sprintf( _n( '%s month', '%s months', $trial_length, WCSS::TEXT_DOMAIN ), $trial_length );
+					echo sprintf(_n('%s month', '%s months', $trial_length, WCSS::TEXT_DOMAIN), $trial_length);
 					break;
 
 				case 'year':
-					echo sprintf( _n( '%s year', '%s years', $trial_length, WCSS::TEXT_DOMAIN ), $trial_length );
+					echo sprintf(_n('%s year', '%s years', $trial_length, WCSS::TEXT_DOMAIN), $trial_length);
 					break;
 			}
 
@@ -724,41 +724,41 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_trial_length( $atts ) {
+	public static function get_subscription_trial_length($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'  => '',
 			'sku' => '',
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Get Subscription Trial Length
-		$trial_length = WC_Subscriptions_Product::get_trial_length( $product_data );
+		$trial_length = WC_Subscriptions_Product::get_trial_length($product_data);
 
 		// If the trial length is empty, look for alternative.
-		if ( empty( $trial_length ) ) {
-			$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		if (empty($trial_length)) {
+			$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-			if ( !empty( $scheme ) && is_array( $scheme ) ) {
-				$trial_length = $scheme['scheme']['subscription_trial_length'];
+			if ( ! empty($scheme) && is_array($scheme)) {
+				$trial_length = $scheme[ 'scheme' ][ 'subscription_trial_length' ];
 			}
 		}
 
@@ -773,52 +773,52 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_trial_period( $atts ) {
+	public static function get_subscription_trial_period($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'  => '',
 			'sku' => '',
 			'raw' => false,
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Get Subscription Trial Length
-		$trial_length = self::get_subscription_trial_length( array( 'id' => $product_data->id ) );
+		$trial_length = self::get_subscription_trial_length(array('id' => $product_data->id));
 
 		// Get Subscription Trial Period
-		$trial_period = WC_Subscriptions_Product::get_trial_period( $product_data );
+		$trial_period = WC_Subscriptions_Product::get_trial_period($product_data);
 
 		// If the trial length is empty or is not zero, look for alternative.
-		if ( empty( $trial_length ) || $trial_length != 0 ) {
-			$scheme = self::get_satt_lowest_scheme_data( $product_data );
+		if (empty($trial_length) || $trial_length != 0) {
+			$scheme = self::get_satt_lowest_scheme_data($product_data);
 
-			if ( !empty( $scheme ) && is_array( $scheme ) ) {
-				$trial_length = $scheme['scheme']['subscription_trial_length'];
-				$trial_period = $scheme['scheme']['subscription_trial_period'];
+			if ( ! empty($scheme) && is_array($scheme)) {
+				$trial_length = $scheme[ 'scheme' ][ 'subscription_trial_length' ];
+				$trial_period = $scheme[ 'scheme' ][ 'subscription_trial_period' ];
 			}
 		}
 
-		if ( ! empty( $trial_length ) && $trial_length > 0 ) {
+		if ( ! empty($trial_length) && $trial_length > 0) {
 
-			if ( ! $atts['raw'] ) {
+			if ( ! $atts[ 'raw' ]) {
 				$trial_period = ucfirst($trial_period);
 			}
 
@@ -835,62 +835,62 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_first_payment( $atts ) {
+	public static function get_subscription_first_payment($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'        => '',
 			'sku'       => '',
 			'show_time' => false,
 			'from_date' => '',
 			'timezone'  => 'gmt',
 			'format'    => 'timestamp'
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
-		$billing_interval = self::get_subscription_period_interval( array( 'id' => $product_data->id ) );
-		$billing_length   = self::get_subscription_length( array( 'id' => $product_data->id, 'raw' => true ) );
-		$trial_length     = self::get_subscription_trial_length( array( 'id' => $product_data->id ) );
+		$billing_interval = self::get_subscription_period_interval(array('id' => $product_data->id));
+		$billing_length   = self::get_subscription_length(array('id' => $product_data->id, 'raw' => true));
+		$trial_length     = self::get_subscription_trial_length(array('id' => $product_data->id));
 
-		$from_date = $atts['from_date'];
+		$from_date = $atts[ 'from_date' ];
 
-		if ( $billing_interval !== $billing_length || $trial_length > 0 ) {
-			if ( empty( $from_date ) ) {
-				$from_date = gmdate( 'Y-m-d H:i:s' );
+		if ($billing_interval !== $billing_length || $trial_length > 0) {
+			if (empty($from_date)) {
+				$from_date = gmdate('Y-m-d H:i:s');
 			}
 
 			// If the subscription has a free trial period, the first renewal is the same as the expiration of the free trial.
-			if ( $trial_length > 0 ) {
-				$first_renewal_timestamp = strtotime( self::get_trial_expiration_date( $product_data->id, $from_date ) );
+			if ($trial_length > 0) {
+				$first_renewal_timestamp = strtotime(self::get_trial_expiration_date($product_data->id, $from_date));
 			} else {
-				$from_timestamp = strtotime( $from_date );
-				$billing_period = self::get_subscription_period( array( 'id' => $product_data->id, 'raw' => true ) );
+				$from_timestamp = strtotime($from_date);
+				$billing_period = self::get_subscription_period(array('id' => $product_data->id, 'raw' => true));
 
-				if ( 'month' == $billing_period ) {
-					$first_renewal_timestamp = wcs_add_months( $from_timestamp, $billing_interval );
+				if ('month' == $billing_period) {
+					$first_renewal_timestamp = wcs_add_months($from_timestamp, $billing_interval);
 				} else {
-					$first_renewal_timestamp = strtotime( "+ $billing_interval {$billing_period}s", $from_timestamp );
+					$first_renewal_timestamp = strtotime("+ $billing_interval {$billing_period}s", $from_timestamp);
 				}
 
-				if ( 'site' == $atts['timezone'] ) {
-					$first_renewal_timestamp += ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
+				if ('site' == $atts[ 'timezone' ]) {
+					$first_renewal_timestamp += (get_option('gmt_offset') * HOUR_IN_SECONDS);
 				}
 			}
 		} else {
@@ -899,22 +899,22 @@ 
 
 		$date_format = ''; // Will be overridden later on.
 
-		if ( $first_renewal_timestamp > 0 ) {
-			if ( $atts['show_time'] ) {
-				if ( 'timestamp' == $atts['format'] ) {
+		if ($first_renewal_timestamp > 0) {
+			if ($atts[ 'show_time' ]) {
+				if ('timestamp' == $atts[ 'format' ]) {
 					$date_format = 'Y-m-d H:i:s';
-				} else if ( 'string' == $atts['format'] ) {
+				} else if ('string' == $atts[ 'format' ]) {
 					$date_format = 'D jS M Y H:i A';
 				}
 			} else {
-				if ( 'timestamp' == $atts['format'] ) {
+				if ('timestamp' == $atts[ 'format' ]) {
 					$date_format = 'Y-m-d';
-				} else if ( 'string' == $atts['format'] ) {
+				} else if ('string' == $atts[ 'format' ]) {
 					$date_format = 'D jS M Y';
 				}
 			}
 
-			$first_payment = date( $date_format, $first_renewal_timestamp );
+			$first_payment = date($date_format, $first_renewal_timestamp);
 		} else {
 			$first_payment = '';
 		}
@@ -930,65 +930,65 @@ 
 	 * @param  array $atts
 	 * @return string
 	 */
-	public static function get_subscription_initial( $atts ) {
+	public static function get_subscription_initial($atts) {
 		global $wpdb, $post;
 
-		$defaults = shortcode_atts( array(
+		$defaults = shortcode_atts(array(
 			'id'        => '',
 			'sku'       => '',
 			'total'     => false
-		), $atts );
+		), $atts);
 
-		$atts = wp_parse_args( $atts, $defaults );
+		$atts = wp_parse_args($atts, $defaults);
 
-		if ( ! empty( $atts['id'] ) && $atts['id'] > 0 ) {
-			$product_data = wc_get_product( $atts['id'] );
-		} elseif ( ! empty( $atts['sku'] ) ) {
-			$product_id   = wc_get_product_id_by_sku( $atts['sku'] );
-			$product_data = get_post( $product_id );
+		if ( ! empty($atts[ 'id' ]) && $atts[ 'id' ] > 0) {
+			$product_data = wc_get_product($atts[ 'id' ]);
+		} elseif ( ! empty($atts[ 'sku' ])) {
+			$product_id   = wc_get_product_id_by_sku($atts[ 'sku' ]);
+			$product_data = get_post($product_id);
 		} else {
-			$product_data = wc_get_product( $post->ID );
+			$product_data = wc_get_product($post->ID);
 		}
 
 		// Check that the product type is supported. Return blank if not supported.
-		if ( ! is_object( $product_data ) || ! in_array( $product_data->product_type, self::get_supported_product_types() ) ) {
+		if ( ! is_object($product_data) || ! in_array($product_data->product_type, self::get_supported_product_types())) {
 			return '';
 		}
 
 		ob_start();
 
 		// Subscription Active Price
-		$initial_payment = self::get_subscription_price_meta( array( 'id' => $product_data->id, 'meta' => 'active' ) );
+		$initial_payment = self::get_subscription_price_meta(array('id' => $product_data->id, 'meta' => 'active'));
 
 		// Free Trial ?
-		$trial_length = self::get_subscription_trial_length( array( 'id' => $product_data->id ) );
+		$trial_length = self::get_subscription_trial_length(array('id' => $product_data->id));
 
 		// If there is a free trial then the initial payment is Zero.
-		if ( $trial_length > 0 ) {
+		if ($trial_length > 0) {
 			$initial_payment = 0;
 		}
 
 		// Sign up fee ?
-		$sign_up_fee = self::get_subscription_sign_up_fee( array( 'id' => $product_data->id, 'raw' => true ) );
+		$sign_up_fee = self::get_subscription_sign_up_fee(array('id' => $product_data->id, 'raw' => true));
 
 		// Apply the sign up fee if it exists.
-		if ( !empty( $sign_up_fee ) && $sign_up_fee > 0 ) {
+		if ( ! empty($sign_up_fee) && $sign_up_fee > 0) {
 
-			if ( ! $atts['total'] ) {
-				$initial_payment = sprintf( __( '%s with a %s sign up fee.', WCSS::TEXT_DOMAIN ), wc_price( $initial_payment ), wc_price( $sign_up_fee ) );
+			if ( ! $atts[ 'total' ]) {
+				$initial_payment = sprintf(__('%s with a %s sign up fee.', WCSS::TEXT_DOMAIN), wc_price($initial_payment), wc_price($sign_up_fee));
 			} else {
-				$initial_payment = round( ( double ) $initial_payment+$sign_up_fee, wc_get_price_decimals() );
+				$initial_payment = round((double) $initial_payment + $sign_up_fee, wc_get_price_decimals());
 			}
 
 		}
 
 		// Convert number into a price tag.
-		if ( is_numeric( $initial_payment ) ) {
-			$initial_payment = wc_price( $initial_payment );
+		if (is_numeric($initial_payment)) {
+			$initial_payment = wc_price($initial_payment);
 		}
 
 		// Clean the price tag.
-		$initial_payment = self::clean_wc_price( $initial_payment );
+		$initial_payment = self::clean_wc_price($initial_payment);
 
 		echo $initial_payment;
 
@@ -1001,11 +1001,11 @@ 
 	 * @param  $product_types
 	 * @return array
 	 */
-	public static function support_product_types_for_wc_satt( $product_types ) {
+	public static function support_product_types_for_wc_satt($product_types) {
 		// Only add the product types from the WooCommerce extension "Subscribe to All the Things" if it is active.
-		if ( class_exists( 'WCS_ATT' ) ) {
+		if (class_exists('WCS_ATT')) {
 			$satt_product_types = WCS_ATT()->get_supported_product_types();
-			$product_types = array_merge( $satt_product_types, $product_types );
+			$product_types = array_merge($satt_product_types, $product_types);
 		}
 
 		return $product_types;
@@ -1019,10 +1019,10 @@ 
 	 * @global $woocommerce
 	 * @return string
 	 */
-	public static function clean_wc_price( $price ) {
+	public static function clean_wc_price($price) {
 		global $woocommerce;
 
-		if ( version_compare( $woocommerce->version, '2.6.0' ) >= 0 ) {
+		if (version_compare($woocommerce->version, '2.6.0') >= 0) {
 
 			$find = array(
 				'<span class="woocommerce-Price-amount amount">', 
@@ -1030,8 +1030,8 @@ 
 				'</span>'
 			);
 
-			foreach( $find as $remove ) {
-				$price = str_replace( $remove, '', $price );
+			foreach ($find as $remove) {
+				$price = str_replace($remove, '', $price);
 			}
 
 		}
@@ -1047,25 +1047,25 @@ 
 	 * @param int $product_id The product/post ID of the subscription
 	 * @param mixed $from_date A MySQL formatted date/time string from which to calculate the expiration date (in UTC timezone), or empty (default), which will use today's date/time (in UTC timezone).
 	 */
-	public static function get_trial_expiration_date( $product_id, $from_date = '' ) {
-		$trial_expiration_date = WC_Subscriptions_Product::get_trial_expiration_date( $product_id, $from_date );
+	public static function get_trial_expiration_date($product_id, $from_date = '') {
+		$trial_expiration_date = WC_Subscriptions_Product::get_trial_expiration_date($product_id, $from_date);
 
 		// If returned empty then try alternative.
-		if ( empty( $trial_expiration_date ) ) {
+		if (empty($trial_expiration_date)) {
 
-			$trial_period = self::get_subscription_trial_period( array( 'id' => $product_id, 'raw' => true ) );
-			$trial_length = self::get_subscription_trial_length( array( 'id' => $product_id ) );
+			$trial_period = self::get_subscription_trial_period(array('id' => $product_id, 'raw' => true));
+			$trial_length = self::get_subscription_trial_length(array('id' => $product_id));
 
-			if ( $trial_length > 0 ) {
+			if ($trial_length > 0) {
 
-				if ( empty( $from_date ) ) {
-					$from_date = gmdate( 'Y-m-d H:i:s' );
+				if (empty($from_date)) {
+					$from_date = gmdate('Y-m-d H:i:s');
 				}
 
-				if ( 'month' == $trial_period ) {
-					$trial_expiration_date = date( 'Y-m-d H:i:s', wcs_add_months( strtotime( $from_date ), $trial_length ) );
+				if ('month' == $trial_period) {
+					$trial_expiration_date = date('Y-m-d H:i:s', wcs_add_months(strtotime($from_date), $trial_length));
 				} else { // Safe to just add the billing periods
-					$trial_expiration_date = date( 'Y-m-d H:i:s', strtotime( "+ {$trial_length} {$trial_period}s", strtotime( $from_date ) ) );
+					$trial_expiration_date = date('Y-m-d H:i:s', strtotime("+ {$trial_length} {$trial_period}s", strtotime($from_date)));
 				}
 
 			} else {