php-proj/public/app/views/sidebar.html

<md-sidenav layout="column" class="md-sidenav-left md-whiteframe-z2" md-component-id="left" md-is-locked-open="$mdMedia('gt-md')">
    <md-toolbar class="md-theme-indigo">
        <h1 class="md-toolbar-tools"><a ui-sref="images">420px</a></h1>
    </md-toolbar>
    <md-content layout-padding ng-controller="SideBarController">
        <div lu-busy="sidebar">
            <p>Sidebar</p>
        </div>
    </md-content>
</md-sidenav>