Modify a Soliloquy Slider's content

modify-soliloquy-slider.php

<?php
/**
 * Modify a static image slider by adding recent posts.
 * 
 * @author Joshua David Nelson, josh@joshuadnelson.com
 */
 
add_filter( 'soliloquy_output_after_container', 'jdn_soliloquy_add_custom_slides', 11, 2 );
function jdn_soliloquy_add_custom_slides( $slider, $data ) {
    global $soliloquy_data;
	
    // Bail out early if we are not targeting our specific slider. Remove this if you want it to apply to all sliders.
    if ( 5037 !== $data['id'] )
        return $slider;
	
	// This is for genesis framwework, FYI - custom child theme setting for number of slides
	$number = ( int ) genesis_get_option( 'slideshow_number', 'child-settings' );
	if( empty( $number ) )
		$number = 10;

	$args = array( 
		'post_type' => 'post',
		//'category' => 'featured', // -- Add this back in if you want a specific category to appear on the slider
		'posts_per_page' => $number,
		'orderby' => 'date',
		'order' => 'desc',
		'meta_key' => '_thumbnail_id', // only get posts with thumbnails
	);
	$posts = new WP_Query( $args );
	if( $posts->have_posts() ):
		while ( $posts->have_posts() ) : $posts->the_post();
			$slide_img_url = wp_get_attachment_image_src( get_post_thumbnail_id( get_the_ID() ), 'full' );
			$slider .= '<li class="soliloquy-item">';
			$slider .= '<img class="soliloquy-item-image" src="' . $slide_img_url[0] . '" title="' . get_the_title() . '" alt="' . get_the_title() . '" />';
			$slider .= '<div class="soliloquy-caption">';
			$slider .= '<div class="soliloquy-caption-inside">';
			$slider .= get_the_excerpt();
			$slider .= '</div>';
			$slider .= '</div>';
			$slider .= '</li>';
		endwhile;
	endif;
	
	// reset the query
	wp_reset_postdata();
	
    // Return the amended slider HTML with our custom slides.
    return $slider;
 
}