Converts content in Contact Details fields. Ex: {{email}}

functions.php

<?php
//Converts content in Contact Details fields. Ex: {{email}}
add_filter( 'the_content', function($content){
  $contactDetails = get_option('contact');
	foreach ( $contactDetails as $key => $detail ) {
		if ( !empty($detail) ) {			
			if(strpos($detail, '@')!==false){
				$content = str_replace('{{'.$key.'}}', '<a href="mailto:' . $detail . '">' . $detail . '</a>', $content);
			}else if(strpos($detail, 'http://')!==false){
				$content = str_replace('{{'.$key.'}}', '<a target="_blank" href="' . $detail . '">' . $detail . '</a>', $content);
			}else{
				$content = str_replace('{{'.$key.'}}', $detail, $content);
			}
		}
	}
	return $content;
});
add_filter('contact_details', function( $details ) {
	foreach ($details as $key => $detail) {
		$details[$key]['label'].=' - {{'.$key.'}}';
	}
	return $details;
});
?>