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<?php |
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/** |
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* Module Name: Cloudflare Analytics |
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* Module Description: Let WPCOM users automatically insert a Cloudflare analytics JS snippet into their site header. |
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* Requires Connection: Yes |
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* Auto Activate: No |
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* |
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* @package automattic/jetpack |
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*/ |
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/** |
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* Bail if accessed directly |
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*/ |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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/** |
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* WP_Cloudflare_Analytics class. |
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*/ |
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class WP_Cloudflare_Analytics { |
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/** |
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* Manages the insertion of Cloudflare analytics snippets into a user's |
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* site <head>. |
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* |
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* @var WP_Cloudflare_Analytics Static property to hold our singleton instance |
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*/ |
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private static $instance = false; |
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/** |
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* Constructor method |
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* Causes Cloudflare JS snippet to be included during head rendering. |
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*/ |
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public function __construct() { |
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add_action( 'wp_head', array( $this, 'insert_code' ), 999 ); |
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} |
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/** |
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* Function to instantiate our class and make it a singleton |
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*/ |
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public static function get_instance() { |
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if ( ! self::$instance ) { |
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self::$instance = new self(); |
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} |
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return self::$instance; |
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} |
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/** |
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* This injects Cloudflare analytics code into the footer of the page. |
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* Called exclusively by wp_head action |
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*/ |
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public function insert_code() { |
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$option = get_option( 'cloudflare_analytics' ); |
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$tracking_id = isset( $option['code'] ) ? $option['code'] : ''; |
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if ( empty( $tracking_id ) ) { |
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echo "<!-- Your Cloudflare Analytics Plugin is missing the tracking ID -->\r\n"; |
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return; |
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} |
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// If we're in the admin_area, return without inserting code. |
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if ( is_admin() ) { |
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return; |
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} |
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$this->render_code( $tracking_id ); |
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} |
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/** |
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* Renders Cloudflare analytics code snippet. |
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* |
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* @param string $tracking_id Cloudflare Analytics tracking ID. |
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*/ |
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private function render_code( $tracking_id ) { |
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printf( |
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"<!-- Cloudflare Web Analytics --> |
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<script defer |
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src='https://static.cloudflareinsights.com/beacon.min.js' |
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data-cf-beacon='{\"token\": \"%s\"}'> |
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</script> |
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<!-- End Cloudflare Web Analytics -->\r\n", |
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esc_html( $tracking_id ) |
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); |
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} |
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} |
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Automattic /
jetpack
