Improved PressTrends tracking

presstrends.php

<?php

/**
 * PressTrends tracking
 */
function presstrends_plugin() {

	// PressTrends Account API Key
	$api_key = 'n6svrrn650hyckud8ghhs1o497hcm0g1o3s5';
	$auth    = 'dhs4fy3nhnx5x0y6gkdfwt7fz2wprguqk';

	// Start of Metrics
	global $wpdb;
	$data = get_transient( 'presstrends_cache_data' );
	if ( !$data || $data == '' ) {
		$api_base = 'http://api.presstrends.io/index.php/api/pluginsites/update/auth/';
		$url      = $api_base . $auth . '/api/' . $api_key . '/';

		$count_posts    = wp_count_posts();
		$count_pages    = wp_count_posts( 'page' );
		$comments_count = wp_count_comments();

		// wp_get_theme was introduced in 3.4, for compatibility with older versions, let's do a workaround for now.
		if ( function_exists( 'wp_get_theme' ) ) {
			$theme_data = wp_get_theme();
			$theme_name = urlencode( $theme_data->Name );
		} else {
			$theme_data = get_theme_data( get_stylesheet_directory() . '/style.css' );
			$theme_name = $theme_data['Name'];
		}

		$plugin_name = '&';
		foreach ( get_plugins() as $plugin_info ) {
			$plugin_name .= $plugin_info['Name'] . '&';
		}
		$plugin_data         = get_plugin_data( __FILE__ );
		$posts_with_comments = $wpdb->get_var( "SELECT COUNT(*) FROM $wpdb->posts WHERE post_type='post' AND comment_count > 0" );
		$data                = array(
			'url'             => stripslashes( str_replace( array( 'http://', '/', ':' ), '', site_url() ) ),
			'posts'           => $count_posts->publish,
			'pages'           => $count_pages->publish,
			'comments'        => $comments_count->total_comments,
			'approved'        => $comments_count->approved,
			'spam'            => $comments_count->spam,
			'pingbacks'       => $wpdb->get_var( "SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_type = 'pingback'" ),
			'post_conversion' => ( $count_posts->publish > 0 && $posts_with_comments > 0 ) ? number_format( ( $posts_with_comments / $count_posts->publish ) * 100, 0, '.', '' ) : 0,
			'theme_version'   => $plugin_data['Version'],
			'theme_name'      => $theme_name,
			'site_name'       => str_replace( ' ', '', get_bloginfo( 'name' ) ),
			'plugins'         => count( get_option( 'active_plugins' ) ),
			'plugin'          => urlencode( $plugin_name ),
			'wpversion'       => get_bloginfo( 'version' ),
		);

		foreach ( $data as $k => $v ) {
			$url .= $k . '/' . $v . '/';
		}
		wp_remote_get( $url );
		set_transient( 'presstrends_cache_data', $data, 60 * 60 * 24 );
	}
}

your API key is still there