Add phone call tracking for Google Analytics

functions.php

// add tracking for phone call clicks
function google_phone_clicks() {  ?>

		<!-- phone call tracking for analytics -->
		<script type="text/javascript">
	    jQuery(document).ready(function() {
		jQuery("a[href^='tel:']").click(function(event){
			if (typeof __gaTracker !== 'undefined') {
				__gaTracker('send', 'event', 'Contact', 'Phone', 'Click');
			}
		
		});
		});
		</script>


<?php 
}
// include in footer
add_action('wp_footer', 'google_phone_clicks');