Jetpack_Google_Analytics_Legacy::__construct() - Code Metrics - Inspection of "Merge branch 'master' into add/jetpack_connection_..." - Automattic/jetpack - Measure and Improve Code Quality continuously with Scrutinizer

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created 2020-11-26 22:43 UTC

Jetpack_Google_Analytics_Legacy::__construct() A

↳ Parent: Jetpack_Google_Analytics_Legacy

Complexity

Conditions	1
Paths	1

Size

Total Lines

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	1
nc	1
nop	0
dl	0
loc	6
rs	10
c	0
b	0
f	0

<?php

/**
 * Jetpack_Google_Analytics_Legacy hooks and enqueues support for ga.js
 * https://developers.google.com/analytics/devguides/collection/gajs/
 *
 * @author Aaron D. Campbell (original)
 * @author allendav
 */

/**
 * Bail if accessed directly
 */
if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

class Jetpack_Google_Analytics_Legacy {
	public function __construct() {
		add_filter( 'jetpack_wga_classic_custom_vars', array( $this, 'jetpack_wga_classic_anonymize_ip' ) );
		add_filter( 'jetpack_wga_classic_custom_vars', array( $this, 'jetpack_wga_classic_track_purchases' ) );
		add_action( 'wp_head', array( $this, 'insert_code' ), 999 );
		add_action( 'wp_footer', array( $this, 'jetpack_wga_classic_track_add_to_cart' ) );
	}

	/**
	 * Used to generate a tracking URL
	 * Called exclusively by insert_code
	 *
	 * @param array $track - Must have ['data'] and ['code'].
	 * @return string - Tracking URL
	 */
	private function _get_url( $track ) {
		$site_url = ( is_ssl() ? 'https://' : 'http://' ) . sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ); // Input var okay.
		foreach ( $track as $k => $value ) {
			if ( strpos( strtolower( $value ), strtolower( $site_url ) ) === 0 ) {
				$track[ $k ] = substr( $track[ $k ], strlen( $site_url ) );
			}
			if ( 'data' === $k ) {
				$track[ $k ] = preg_replace( '/^https?:\/\/|^\/+/i', '', $track[ $k ] );
			}

			// This way we don't lose search data.
			if ( 'data' === $k && 'search' === $track['code'] ) {
				$track[ $k ] = rawurlencode( $track[ $k ] );
			} else {
				$track[ $k ] = preg_replace( '/[^a-z0-9\.\/\+\?=-]+/i', '_', $track[ $k ] );
			}

			$track[ $k ] = trim( $track[ $k ], '_' );
		}
		$char = ( strpos( $track['data'], '?' ) === false ) ? '?' : '&amp;';
		return str_replace( "'", "\'", "/{$track['code']}/{$track['data']}{$char}referer=" . rawurlencode( isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : '' ) ); // Input var okay.
	}

	/**
	 * This injects the Google Analytics code into the footer of the page.
	 * Called exclusively by wp_head action
	 */
	public function insert_code() {
		$tracking_id = Jetpack_Google_Analytics_Options::get_tracking_code();
		if ( empty( $tracking_id ) ) {
			echo "<!-- Your Google Analytics Plugin is missing the tracking ID -->\r\n";
			return;
		}

		// If we're in the admin_area, return without inserting code.
		if ( is_admin() ) {
			return;
		}

		if ( Jetpack_AMP_Support::is_amp_request() ) {
			// For Reader mode — legacy.
			add_filter( 'amp_post_template_analytics', 'Jetpack_Google_Analytics::amp_analytics_entries', 1000 );
			// For Standard and Transitional modes.
			add_filter( 'amp_analytics_entries', 'Jetpack_Google_Analytics::amp_analytics_entries', 1000 );
			return;
		}

		if ( 'G-' === substr( $tracking_id, 0, 2 ) ) {
			$this->render_gtag_code( $tracking_id );
		} else {
			$this->render_ga_code( $tracking_id );
		}
	}

	/**
	 * Renders legacy ga.js code.
	 *
	 * @param string $tracking_id Google Analytics measurement ID.
	 */
	private function render_ga_code( $tracking_id ) {
		$custom_vars = array(
			"_gaq.push(['_setAccount', '{$tracking_id}']);",
		);

		$track = array();
		if ( is_404() ) {
			// This is a 404 and we are supposed to track them.
			$custom_vars[] = "_gaq.push(['_trackEvent', '404', document.location.href, document.referrer]);";
		} elseif (
			is_search()
			&& isset( $_REQUEST['s'] )
		) {
			// Set track for searches, if it's a search, and we are supposed to.
			$track['data'] = sanitize_text_field( wp_unslash( $_REQUEST['s'] ) ); // Input var okay.
			$track['code'] = 'search';
		}

		if ( ! empty( $track ) ) {
			$track['url'] = $this->_get_url( $track );
			// adjust the code that we output, account for both types of tracking.
			$track['url']  = esc_js( str_replace( '&', '&amp;', $track['url'] ) );
			$custom_vars[] = "_gaq.push(['_trackPageview','{$track['url']}']);";
		} else {
			$custom_vars[] = "_gaq.push(['_trackPageview']);";
		}

		/**
		 * Allow for additional elements to be added to the classic Google Analytics queue (_gaq) array
		 *
		 * @since 5.4.0
		 *
		 * @param array $custom_vars Array of classic Google Analytics queue elements
		 */
		$custom_vars = apply_filters( 'jetpack_wga_classic_custom_vars', $custom_vars );

		// Ref: https://developers.google.com/analytics/devguides/collection/gajs/gaTrackingEcommerce#Example
		printf(
			"<!-- Jetpack Google Analytics -->
			<script type='text/javascript'>
				var _gaq = _gaq || [];
				%s
				(function() {
					var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
					ga.src = ('https:' === document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
					var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
				})();
			</script>
			<!-- End Jetpack Google Analytics -->\r\n",
			implode( "\r\n", $custom_vars )
		);
	}

	/**
	 * Renders new gtag code.
	 *
	 * @param string $tracking_id Google Analytics measurement ID.
	 */
	private function render_gtag_code( $tracking_id ) {
		/**
		 * Allow for additional elements to be added to the Global Site Tags array.
		 *
		 * @since 9.2.0
		 *
		 * @param array $universal_commands Array of gtag function calls.
		 */
		$universal_commands = apply_filters( 'jetpack_gtag_universal_commands', array() );
		$custom_vars        = array();
		if ( is_404() ) {
			$custom_vars[] = array(
				'event',
				'exception',
				array(
					'description' => '404',
					'fatal'       => false,
				),
			);
		}
		// phpcs:disable WordPress.WP.EnqueuedResources.NonEnqueuedScript
		?>
		<!-- Jetpack Google Analytics -->
		<script async src='https://www.googletagmanager.com/gtag/js?id=<?php echo esc_attr( $tracking_id ); ?>'></script>
		<script>
			window.dataLayer = window.dataLayer || [];
			function gtag() { dataLayer.push( arguments ); }
			gtag( 'js', new Date() );
			gtag( 'config', <?php echo wp_json_encode( $tracking_id ); ?> );
			<?php
			foreach ( $universal_commands as $command ) {
				echo 'gtag( ' . implode( ', ', array_map( 'wp_json_encode', $command ) ) . " );\n";
			}
			foreach ( $custom_vars as $var ) {
				echo 'gtag( ' . implode( ', ', array_map( 'wp_json_encode', $var ) ) . " );\n";
			}
			?>
		</script>
		<!-- End Jetpack Google Analytics -->
		<?php
		// phpcs:enable
	}

	/**
	 * Used to filter in the anonymize IP snippet to the custom vars array for classic analytics
	 * Ref https://developers.google.com/analytics/devguides/collection/gajs/methods/gaJSApi_gat#_gat._anonymizelp
	 *
	 * @param array custom vars to be filtered
	 * @return array possibly updated custom vars
	 */
	public function jetpack_wga_classic_anonymize_ip( $custom_vars ) {
		if ( Jetpack_Google_Analytics_Options::anonymize_ip_is_enabled() ) {
			array_push( $custom_vars, "_gaq.push(['_gat._anonymizeIp']);" );
		}

		return $custom_vars;
	}

	/**
	 * Used to filter in the order details to the custom vars array for classic analytics
	 *
	 * @param array custom vars to be filtered
	 * @return array possibly updated custom vars
	 */
	public function jetpack_wga_classic_track_purchases( $custom_vars ) {
		global $wp;

		if ( ! class_exists( 'WooCommerce' ) ) {
			return $custom_vars;
		}

		if ( ! Jetpack_Google_Analytics_Options::has_tracking_code() ) {
			return;
		}

		// Ref: https://developers.google.com/analytics/devguides/collection/gajs/gaTrackingEcommerce#Example
		if ( ! Jetpack_Google_Analytics_Options::track_purchases_is_enabled() ) {
			return $custom_vars;
		}

		$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' );
		if ( $minimum_woocommerce_active && is_order_received_page() ) {
			$order_id = isset( $wp->query_vars['order-received'] ) ? $wp->query_vars['order-received'] : 0;
			if ( 0 < $order_id && 1 != get_post_meta( $order_id, '_ga_tracked', true ) ) {
				$order = new WC_Order( $order_id );

				// [ '_add_Trans', '123', 'Site Title', '21.00', '1.00', '5.00', 'Snohomish', 'WA', 'USA' ]
				array_push(
					$custom_vars,
					sprintf(
						'_gaq.push( %s );',
						json_encode(
							array(
								'_addTrans',
								(string) $order->get_order_number(),
								get_bloginfo( 'name' ),
								(string) $order->get_total(),
								(string) $order->get_total_tax(),
								(string) $order->get_total_shipping(),
								(string) $order->get_billing_city(),
								(string) $order->get_billing_state(),
								(string) $order->get_billing_country(),
							)
						)
					)
				);

				// Order items
				if ( $order->get_items() ) {
					foreach ( $order->get_items() as $item ) {
						$product           = $order->get_product_from_item( $item );
						$product_sku_or_id = $product->get_sku() ? $product->get_sku() : $product->get_id();

						array_push(
							$custom_vars,
							sprintf(
								'_gaq.push( %s );',
								json_encode(
									array(
										'_addItem',
										(string) $order->get_order_number(),
										(string) $product_sku_or_id,
										$item['name'],
										Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ),
										(string) $order->get_item_total( $item ),
										(string) $item['qty'],
									)
								)
							)
						);
					}
				} // get_items

				// Mark the order as tracked
				update_post_meta( $order_id, '_ga_tracked', 1 );
				array_push( $custom_vars, "_gaq.push(['_trackTrans']);" );
			} // order not yet tracked
		} // is order received page

		return $custom_vars;
	}

	/**
	 * Used to add footer javascript to track user clicking on add-to-cart buttons
	 * on single views (.single_add_to_cart_button) and list views (.add_to_cart_button)
	 */
	public function jetpack_wga_classic_track_add_to_cart() {
		if ( ! class_exists( 'WooCommerce' ) ) {
			return;
		}

		if ( ! Jetpack_Google_Analytics_Options::has_tracking_code() ) {
			return;
		}

		if ( ! Jetpack_Google_Analytics_Options::track_add_to_cart_is_enabled() ) {
			return;
		}

		if ( is_product() ) { // product page
			global $product;
			$product_sku_or_id = $product->get_sku() ? $product->get_sku() : '#' + $product->get_id();
			wc_enqueue_js(
				"$( '.single_add_to_cart_button' ).click( function() {
					_gaq.push(['_trackEvent', 'Products', 'Add to Cart', '#" . esc_js( $product_sku_or_id ) . "']);
				} );"
			);
		} elseif ( is_woocommerce() ) { // any other page that uses templates (like product lists, archives, etc)
			wc_enqueue_js(
				"$( '.add_to_cart_button:not(.product_type_variable, .product_type_grouped)' ).click( function() {
					var label = $( this ).data( 'product_sku' ) ? $( this ).data( 'product_sku' ) : '#' + $( this ).data( 'product_id' );
					_gaq.push(['_trackEvent', 'Products', 'Add to Cart', label]);
				} );"
			);
		}
	}
}


1		<?php
2
3		/**
4		* Jetpack_Google_Analytics_Legacy hooks and enqueues support for ga.js
5		* https://developers.google.com/analytics/devguides/collection/gajs/
6		*
7		* @author Aaron D. Campbell (original)
8		* @author allendav
9		*/
10
11		/**
12		* Bail if accessed directly
13		*/
14		if ( ! defined( 'ABSPATH' ) ) {
15		exit;
16		}
17
18		class Jetpack_Google_Analytics_Legacy {
19		public function __construct() {
20		add_filter( 'jetpack_wga_classic_custom_vars', array( $this, 'jetpack_wga_classic_anonymize_ip' ) );
21		add_filter( 'jetpack_wga_classic_custom_vars', array( $this, 'jetpack_wga_classic_track_purchases' ) );
22		add_action( 'wp_head', array( $this, 'insert_code' ), 999 );
23		add_action( 'wp_footer', array( $this, 'jetpack_wga_classic_track_add_to_cart' ) );
24		}
25
26		/**
27		* Used to generate a tracking URL
28		* Called exclusively by insert_code
29		*
30		* @param array $track - Must have ['data'] and ['code'].
31		* @return string - Tracking URL
32		*/
33		private function _get_url( $track ) {
34		$site_url = ( is_ssl() ? 'https://' : 'http://' ) . sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ); // Input var okay.
35		foreach ( $track as $k => $value ) {
36		if ( strpos( strtolower( $value ), strtolower( $site_url ) ) === 0 ) {
37		$track[ $k ] = substr( $track[ $k ], strlen( $site_url ) );
38		}
39		if ( 'data' === $k ) {
40		$track[ $k ] = preg_replace( '/^https?:\/\/\|^\/+/i', '', $track[ $k ] );
41		}
42
43		// This way we don't lose search data.
44		if ( 'data' === $k && 'search' === $track['code'] ) {
45		$track[ $k ] = rawurlencode( $track[ $k ] );
46		} else {
47		$track[ $k ] = preg_replace( '/[^a-z0-9\.\/\+\?=-]+/i', '_', $track[ $k ] );
48		}
49
50		$track[ $k ] = trim( $track[ $k ], '_' );
51		}
52		$char = ( strpos( $track['data'], '?' ) === false ) ? '?' : '&';
53		return str_replace( "'", "\'", "/{$track['code']}/{$track['data']}{$char}referer=" . rawurlencode( isset( $_SERVER['HTTP_REFERER'] ) ? $_SERVER['HTTP_REFERER'] : '' ) ); // Input var okay.
54		}
55
56		/**
57		* This injects the Google Analytics code into the footer of the page.
58		* Called exclusively by wp_head action
59		*/
60		public function insert_code() {
61		$tracking_id = Jetpack_Google_Analytics_Options::get_tracking_code();
62		if ( empty( $tracking_id ) ) {
63		echo "<!-- Your Google Analytics Plugin is missing the tracking ID -->\r\n";
64		return;
65		}
66
67		// If we're in the admin_area, return without inserting code.
68		if ( is_admin() ) {
69		return;
70		}
71
72		if ( Jetpack_AMP_Support::is_amp_request() ) {
73		// For Reader mode — legacy.
74		add_filter( 'amp_post_template_analytics', 'Jetpack_Google_Analytics::amp_analytics_entries', 1000 );
75		// For Standard and Transitional modes.
76		add_filter( 'amp_analytics_entries', 'Jetpack_Google_Analytics::amp_analytics_entries', 1000 );
77		return;
78		}
79
80		if ( 'G-' === substr( $tracking_id, 0, 2 ) ) {
81		$this->render_gtag_code( $tracking_id );
82		} else {
83		$this->render_ga_code( $tracking_id );
84		}
85		}
86
87		/**
88		* Renders legacy ga.js code.
89		*
90		* @param string $tracking_id Google Analytics measurement ID.
91		*/
92		private function render_ga_code( $tracking_id ) {
93		$custom_vars = array(
94		"_gaq.push(['_setAccount', '{$tracking_id}']);",
95		);
96
97		$track = array();
98	View Code Duplication	if ( is_404() ) {
99		// This is a 404 and we are supposed to track them.
100		$custom_vars[] = "_gaq.push(['_trackEvent', '404', document.location.href, document.referrer]);";
101		} elseif (
102		is_search()
103		&& isset( $_REQUEST['s'] )
104		) {
105		// Set track for searches, if it's a search, and we are supposed to.
106		$track['data'] = sanitize_text_field( wp_unslash( $_REQUEST['s'] ) ); // Input var okay.
107		$track['code'] = 'search';
108		}
109
110		if ( ! empty( $track ) ) {
111		$track['url'] = $this->_get_url( $track );
112		// adjust the code that we output, account for both types of tracking.
113		$track['url'] = esc_js( str_replace( '&', '&', $track['url'] ) );
114		$custom_vars[] = "_gaq.push(['_trackPageview','{$track['url']}']);";
115		} else {
116		$custom_vars[] = "_gaq.push(['_trackPageview']);";
117		}
118
119		/**
120		* Allow for additional elements to be added to the classic Google Analytics queue (_gaq) array
121		*
122		* @since 5.4.0
123		*
124		* @param array $custom_vars Array of classic Google Analytics queue elements
125		*/
126		$custom_vars = apply_filters( 'jetpack_wga_classic_custom_vars', $custom_vars );
127
128		// Ref: https://developers.google.com/analytics/devguides/collection/gajs/gaTrackingEcommerce#Example
129		printf(
130		"<!-- Jetpack Google Analytics -->
131		<script type='text/javascript'>
132		var _gaq = _gaq \|\| [];
133		%s
134		(function() {
135		var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
136		ga.src = ('https:' === document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
137		var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
138		})();
139		</script>
140		<!-- End Jetpack Google Analytics -->\r\n",
141		implode( "\r\n", $custom_vars )
142		);
143		}
144
145		/**
146		* Renders new gtag code.
147		*
148		* @param string $tracking_id Google Analytics measurement ID.
149		*/
150		private function render_gtag_code( $tracking_id ) {
151		/**
152		* Allow for additional elements to be added to the Global Site Tags array.
153		*
154		* @since 9.2.0
155		*
156		* @param array $universal_commands Array of gtag function calls.
157		*/
158		$universal_commands = apply_filters( 'jetpack_gtag_universal_commands', array() );
159		$custom_vars = array();
160		if ( is_404() ) {
161		$custom_vars[] = array(
162		'event',
163		'exception',
164		array(
165		'description' => '404',
166		'fatal' => false,
167		),
168		);
169		}
170		// phpcs:disable WordPress.WP.EnqueuedResources.NonEnqueuedScript
171		?>
172		<!-- Jetpack Google Analytics -->
173		<script async src='https://www.googletagmanager.com/gtag/js?id=<?php echo esc_attr( $tracking_id ); ?>'></script>
174		<script>
175		window.dataLayer = window.dataLayer \|\| [];
176		function gtag() { dataLayer.push( arguments ); }
177		gtag( 'js', new Date() );
178		gtag( 'config', <?php echo wp_json_encode( $tracking_id ); ?> );
179		<?php
180		foreach ( $universal_commands as $command ) {
181		echo 'gtag( ' . implode( ', ', array_map( 'wp_json_encode', $command ) ) . " );\n";
182		}
183		foreach ( $custom_vars as $var ) {
184		echo 'gtag( ' . implode( ', ', array_map( 'wp_json_encode', $var ) ) . " );\n";
185		}
186		?>
187		</script>
188		<!-- End Jetpack Google Analytics -->
189		<?php
190		// phpcs:enable
191		}
192
193		/**
194		* Used to filter in the anonymize IP snippet to the custom vars array for classic analytics
195		* Ref https://developers.google.com/analytics/devguides/collection/gajs/methods/gaJSApi_gat#_gat._anonymizelp
196		*
197		* @param array custom vars to be filtered
198		* @return array possibly updated custom vars
199		*/
200		public function jetpack_wga_classic_anonymize_ip( $custom_vars ) {
201		if ( Jetpack_Google_Analytics_Options::anonymize_ip_is_enabled() ) {
202		array_push( $custom_vars, "_gaq.push(['_gat._anonymizeIp']);" );
203		}
204
205		return $custom_vars;
206		}
207
208		/**
209		* Used to filter in the order details to the custom vars array for classic analytics
210		*
211		* @param array custom vars to be filtered
212		* @return array possibly updated custom vars
213		*/
214		public function jetpack_wga_classic_track_purchases( $custom_vars ) {
215		global $wp;
216
217		if ( ! class_exists( 'WooCommerce' ) ) {
218		return $custom_vars;
219		}
220
221		if ( ! Jetpack_Google_Analytics_Options::has_tracking_code() ) {
222		return;
223		}
224
225		// Ref: https://developers.google.com/analytics/devguides/collection/gajs/gaTrackingEcommerce#Example
226		if ( ! Jetpack_Google_Analytics_Options::track_purchases_is_enabled() ) {
227		return $custom_vars;
228		}
229
230		$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' );
231		if ( $minimum_woocommerce_active && is_order_received_page() ) {
232		$order_id = isset( $wp->query_vars['order-received'] ) ? $wp->query_vars['order-received'] : 0;
233		if ( 0 < $order_id && 1 != get_post_meta( $order_id, '_ga_tracked', true ) ) {
234		$order = new WC_Order( $order_id );
235
236		// [ '_add_Trans', '123', 'Site Title', '21.00', '1.00', '5.00', 'Snohomish', 'WA', 'USA' ]
237		array_push(
238		$custom_vars,
239		sprintf(
240		'_gaq.push( %s );',
241		json_encode(
242		array(
243		'_addTrans',
244		(string) $order->get_order_number(),
245		get_bloginfo( 'name' ),
246		(string) $order->get_total(),
247		(string) $order->get_total_tax(),
248		(string) $order->get_total_shipping(),
249		(string) $order->get_billing_city(),
250		(string) $order->get_billing_state(),
251		(string) $order->get_billing_country(),
252		)
253		)
254		)
255		);
256
257		// Order items
258		if ( $order->get_items() ) {
259		foreach ( $order->get_items() as $item ) {
260		$product = $order->get_product_from_item( $item );
261		$product_sku_or_id = $product->get_sku() ? $product->get_sku() : $product->get_id();
262
263		array_push(
264		$custom_vars,
265		sprintf(
266		'_gaq.push( %s );',
267		json_encode(
268		array(
269		'_addItem',
270		(string) $order->get_order_number(),
271		(string) $product_sku_or_id,
272		$item['name'],
273		Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ),
274		(string) $order->get_item_total( $item ),
275		(string) $item['qty'],
276		)
277		)
278		)
279		);
280		}
281		} // get_items
282
283		// Mark the order as tracked
284		update_post_meta( $order_id, '_ga_tracked', 1 );
285		array_push( $custom_vars, "_gaq.push(['_trackTrans']);" );
286		} // order not yet tracked
287		} // is order received page
288
289		return $custom_vars;
290		}
291
292		/**
293		* Used to add footer javascript to track user clicking on add-to-cart buttons
294		* on single views (.single_add_to_cart_button) and list views (.add_to_cart_button)
295		*/
296		public function jetpack_wga_classic_track_add_to_cart() {
297		if ( ! class_exists( 'WooCommerce' ) ) {
298		return;
299		}
300
301		if ( ! Jetpack_Google_Analytics_Options::has_tracking_code() ) {
302		return;
303		}
304
305		if ( ! Jetpack_Google_Analytics_Options::track_add_to_cart_is_enabled() ) {
306		return;
307		}
308
309		if ( is_product() ) { // product page
310		global $product;
311		$product_sku_or_id = $product->get_sku() ? $product->get_sku() : '#' + $product->get_id();
312		wc_enqueue_js(
313		"$( '.single_add_to_cart_button' ).click( function() {
314		_gaq.push(['_trackEvent', 'Products', 'Add to Cart', '#" . esc_js( $product_sku_or_id ) . "']);
315		} );"
316		);
317		} elseif ( is_woocommerce() ) { // any other page that uses templates (like product lists, archives, etc)
318		wc_enqueue_js(
319		"$( '.add_to_cart_button:not(.product_type_variable, .product_type_grouped)' ).click( function() {
320		var label = $( this ).data( 'product_sku' ) ? $( this ).data( 'product_sku' ) : '#' + $( this ).data( 'product_id' );
321		_gaq.push(['_trackEvent', 'Products', 'Add to Cart', label]);
322		} );"
323		);
324		}
325		}
326		}
327

Automattic / jetpack

Push — add/jetpack_connection_new_met... ( 975e37...16d930 )

Jetpack_Google_Analytics_Legacy::__construct() A

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