Jetpack_Custom_CSS_Enhancements::revision_admin_footer PHP Method

    public static function revision_admin_footer()
    {
        $post = get_post();
        if ('custom_css' !== $post->post_type) {
            return;
        }
        $stylesheet = $post->post_title;
        ?>
<script type="text/html" id="tmpl-other-themes-switcher">
	<?php 
        self::revisions_switcher_box($stylesheet);
        ?>
</script>
<style>
.other-themes-wrap {
	float: right;
	background-color: #fff;
	-webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.1);
	box-shadow: 0 1px 3px rgba(0,0,0,0.1);
	padding: 5px 10px;
	margin-bottom: 10px;
}
.other-themes-wrap label {
	display: block;
	margin-bottom: 10px;
}
.other-themes-wrap select {
	float: left;
	width: 77%;
}
.other-themes-wrap button {
	float: right;
	width: 20%;
}
.revisions {
	clear: both;
}
/* Hide the back-to-post link */
.long-header + a {
	display: none;
}
</style>
<script>
(function($){
	var switcher = $('#tmpl-other-themes-switcher').html(),
		qty = $( switcher ).find('select option').length,
		$switcher;

	if ( qty >= 3 ) {
		$('h1.long-header').before( switcher );
		$switcher = $('.other-themes-wrap');
		$switcher.find('button').on('click', function(e){
			e.preventDefault();
			if ( $switcher.find('select').val() ) {
				window.location.href = $switcher.find('select').val();
			}
		})
	}
})(jQuery);
</script>
		<?php 
    }