functions.php

<?php
function ovpr_enqueue_scripts() {
	wp_enqueue_script('ovpr', get_bloginfo('stylesheet_directory').'/ovpr.js', array('uc-hale-custom'), false, true);
}
add_action('wp_enqueue_scripts', 'ovpr_enqueue_scripts', 900);

add_action( 'init', 'register_my_menus' );

// Register Sidebar

if ( function_exists('register_sidebar') ) {
register_sidebar(array(
'name' => 'Article Feed 1',
'id' => 'articlefeed1'
));
}

if ( function_exists('register_sidebar') ) {
register_sidebar(array(
'name' => 'Article Feed 2',
'id' => 'articlefeed2'
));
}

if ( function_exists('register_sidebar') ) {
register_sidebar(array(
'name' => 'Article Feed 3',
'id' => 'articlefeed3'
));
}

if ( function_exists('register_sidebar') ) {
register_sidebar(array(
'name' => 'Article Feed 4',
'id' => 'articlefeed4'
));
}


if ( function_exists('register_sidebar') ) {
register_sidebar(array(
'name' => 'Article Feed 5',
'id' => 'articlefeed5'
));
}

if ( function_exists('register_sidebar') ) {
register_sidebar(array(
'name' => 'Article Feed 6',
'id' => 'articlefeed6'
));
}

function custom_searchform($form){
	global $search_counter;
	if( !$search_counter ){
		$search_counter = 0;
	}
	$search_counter++;

		$form = '<div class="searchform"><form action="'.home_url( '/' ).'" method="get" class="form-inline" role="form"><div class="form-group"><fieldset><legend class="sr-only">Search this Site</legend>';
		$form .= '<label for="searchfield-'.$search_counter.'" class="sr-only" Search in '.home_url( '/' ).'</label>';
		$form .= '<input type="text" name="s" id="searchfield-'.$search_counter.'" value="'.get_search_query().'" class="form-control search" placeholder="Search '.get_bloginfo("name").'... " />';
		$form .= '<button type="submit" class="btn" title="Search"><i class="icon-search"></i><span class="sr-only"></span></button>';
	$form .= '</fieldset></div></form></div>';

	return $form;
}
add_filter('get_search_form', 'custom_searchform');

function ovpr_init(){
	register_sidebar( array(
		'name'          => 'OVPR Home',
		'id'            => 'ovpr-home',
		'description'   => 'Appears on the OVPR Homepage',
			'class'         => '',
		'before_widget' => '<li id="%1$s" class="widget %2$s">',
		'after_widget'  => '</li>',
		'before_title'  => '<h2 class="widget-title">',
		'after_title'   => '</h2>'
	));
}
add_action( 'widgets_init', 'ovpr_init' );


function ovpr_customize_register( $wp_customize ) {

	$wp_customize->add_section( 'colors' , array(
		'title'      => __( 'OVPR Colors', 'ovpr' ),
		'priority'   => 30,
	) );
	$wp_customize->add_setting( 'border_color',
		array(
			'default' => '#e60021',
			'type' => 'theme_mod',
			'capability' => 'edit_theme_options',
			'transport' => 'refresh'
			)
		);
	$wp_customize->add_control(
		new WP_Customize_Color_Control(
		$wp_customize,
		'border_color',
		array(
			'label'      => __( 'Border Color', 'ovpr' ),
			'section'    => 'colors',
			'settings'   => 'border_color',
		) )
	);

}
add_action( 'customize_register', 'ovpr_customize_register' );

function ovpr_add_theme_support(){
	add_theme_support( 'post-formats', array(
		'link',
	) );
}
add_action( 'after_setup_theme', 'ovpr_add_theme_support' );

if(function_exists("register_field_group"))
{
	register_field_group(array (
		'id' => 'acf_post-link',
		'title' => 'Post Link',
		'fields' => array (
			array (
				'key' => 'field_55db77d8658e3',
				'label' => 'Post Link',
				'name' => 'post_link',
				'type' => 'text',
				'instructions' => 'Add a web address here. ',
				'required' => 1,
				'default_value' => '',
				'placeholder' => '',
				'prepend' => '',
				'append' => '',
				'formatting' => 'none',
				'maxlength' => '',
			),
		),
		'location' => array (
			array (
				array (
					'param' => 'post_format',
					'operator' => '==',
					'value' => 'link',
					'order_no' => 0,
					'group_no' => 0,
				),
			),
		),
		'options' => array (
			'position' => 'normal',
			'layout' => 'no_box',
			'hide_on_screen' => array (
			),
		),
		'menu_order' => 0,
	));
}

if( !class_exists('OVPR_Widget_Recent_Posts') ){
	class OVPR_Widget_Recent_Posts extends WP_Widget_Recent_Posts {
		/**
		 * @param array $args
		 * @param array $instance
		 */
		public function widget( $args, $instance ) {
			$cache = array();
			if ( ! $this->is_preview() ) {
				$cache = wp_cache_get( 'widget_recent_posts', 'widget' );
			}
			if ( ! is_array( $cache ) ) {
				$cache = array();
			}
			if ( ! isset( $args['widget_id'] ) ) {
				$args['widget_id'] = $this->id;
			}
			if ( isset( $cache[ $args['widget_id'] ] ) ) {
				echo $cache[ $args['widget_id'] ];
				return;
			}
			ob_start();
			$title = ( ! empty( $instance['title'] ) ) ? $instance['title'] : __( 'Recent Posts' );
			/** This filter is documented in wp-includes/widgets/class-wp-widget-pages.php */
			$title = apply_filters( 'widget_title', $title, $instance, $this->id_base );
			$number = ( ! empty( $instance['number'] ) ) ? absint( $instance['number'] ) : 5;
			if ( ! $number )
				$number = 5;
			$show_date = isset( $instance['show_date'] ) ? $instance['show_date'] : false;
			/**
			 * Filter the arguments for the Recent Posts widget.
			 *
			 * @since 3.4.0
			 *
			 * @see WP_Query::get_posts()
			 *
			 * @param array $args An array of arguments used to retrieve the recent posts.
			 */
			$r = new WP_Query( apply_filters( 'widget_posts_args', array(
				'posts_per_page'      => $number,
				'no_found_rows'       => true,
				'post_status'         => 'publish',
				'ignore_sticky_posts' => true
			) ) );

			$linkPostsQuery = new WP_Query(array(
				'tax_query' => array(
					array(
						'taxonomy' => 'post_format',
						'field' => 'slug',
						'terms' => 'post-format-link'
					)
				),
				'fields' => 'ids'
			));
			$linkPosts = $linkPostsQuery->get_posts();

			if ($r->have_posts()) :
	?>
			<?php echo $args['before_widget']; ?>
			<?php if ( $title ) {
				echo $args['before_title'] . $title . $args['after_title'];
			} ?>
			<ul>
			<?php while ( $r->have_posts() ) : $r->the_post(); ?>
            	<?php
					$permalink = get_permalink();
					if( in_array(get_the_ID(),$linkPosts) ){
						$permalink = get_field('post_link', get_the_ID()); //Retrieve post link from ACF
					}
				?>
				<li>
					<a href="<?php echo $permalink ?>"><?php get_the_title() ? the_title() : the_ID(); ?></a>
				<?php if ( $show_date ) : ?>
					<span class="post-date"><?php echo get_the_date(); ?></span>
				<?php endif; ?>
				</li>
			<?php endwhile; ?>
			</ul>
			<?php echo $args['after_widget']; ?>
	<?php
			// Reset the global $the_post as this query will have stomped on it
			wp_reset_postdata();
			endif;
			if ( ! $this->is_preview() ) {
				$cache[ $args['widget_id'] ] = ob_get_flush();
				wp_cache_set( 'widget_recent_posts', $cache, 'widget' );
			} else {
				ob_end_flush();
			}
		}
	}
}

function register_ovpr_recent_posts_widget() {
	unregister_widget('WP_Widget_Recent_Posts');
    register_widget( 'OVPR_Widget_Recent_Posts' );
}
add_action( 'widgets_init', 'register_ovpr_recent_posts_widget' );
?>