Accordion Shortcode

functions.php

<?php
/**
 * Accordion Shortcode
 */
// Extended subscription function with subscription type variable

function accordion_shortcode($atts) {
	$atts = shortcode_atts(
		array(
			'id' => ''
		), $atts
	);
	// Generating Output 
	extract($atts);
	$count = 0;
	$rand = rand();
	$accordion  .= '<div class="panel-group" id="ctrc-accordion'. $rand .'">';
	while(have_rows('accordion_panels', $id)): the_row(); 
		$accHead	= get_sub_field('accordion_panel_title');
		$accIcon	= get_sub_field('accordion_panel_icon');
		$accIconb	= get_sub_field('accordion_panel_icon_blue');
		$accIconp	= get_sub_field('accordion_panel_icon_pink');
		$accBody	= get_sub_field('accordion_panel_content');
		$sgnuplabel = get_sub_field('accordion_panel_button_label');
		$sgnupurl   = get_sub_field('accordion_panel_button_url');
		$accopen    = get_sub_field('accordion_open_panel');

		if($sgnupurl): $sgnupbtn = '<div class="sign-up text-center"><a href="'. $sgnupurl .'" class="btn btn-primary btn-pink">'. $sgnuplabel .'</a></div>'; else: $sgnupbtn = ''; endif;

		if($accopen): $accopenclass = 'in'; $collapseclass= ''; else: $accopenclass = ''; $collapseclass= 'collapsed'; endif;

		$accIconImg = '';
		$accIconbImg = '';
		$accIconpImg 	 = '';
		if($accIcon != ''): $accIconImg  = '<img src="'.$accIcon['url'].'" class="black">'; endif;
		if($accIconb != ''): $accIconbImg = '<img src="'.$accIconb['url'].'" class="blue">'; endif;
		if($accIconp != ''): $accIconpImg = '<img src="'.$accIconp['url'].'" class="pink">'; endif;

		
		$details     = strtolower(str_replace(' ', '-', $accHead)) . $rand;

		$details     = preg_replace('/[^A-Za-z0-9\-]/', '', $details);
	
		$accordion  .= '<div class="panel panel-default">';

	    $accordion  .= '<div class="panel-heading"><h4 class="panel-title">';
	    $accordion  .= '<a class="accordion-toggle '. $collapseclass .'" data-toggle="collapse" data-parent="#ctrc-accordion'. $rand .'" href="#'.$details.'-0-'.$count.'"><span>';
	    $accordion  .= $accIconImg . $accIconbImg . $accIconpImg . $accHead . '</span></a></h4></div>';
		$accordion  .= '<div id="'.$details.'-0-'.$count.'" class="panel-collapse collapse '. $accopenclass .'">';
	    $accordion  .= '<div class="panel-body">'.$accBody. $sgnupbtn . '</div></div></div>';
		$count++; 
	endwhile;
		$accordion  .= '</div>';
	
	return $accordion; //Return the HTML.
}
add_shortcode('accordion', 'accordion_shortcode');


/**
 * Register an Accordion
 *
 * @link http://codex.wordpress.org/Function_Reference/register_post_type
 */
function codex_Accordion_init() {
	$labels = array(
		'name'               => _x( 'Accordions', 'post type general name', 'ctrctheme' ),
		'singular_name'      => _x( 'Accordion', 'post type singular name', 'ctrctheme' ),
		'menu_name'          => _x( 'Accordions', 'admin menu', 'ctrctheme' ),
		'name_admin_bar'     => _x( 'Accordion', 'add new on admin bar', 'ctrctheme' ),
		'add_new'            => _x( 'Add New', 'Accordion', 'ctrctheme' ),
		'add_new_item'       => __( 'Add New Accordion', 'ctrctheme' ),
		'new_item'           => __( 'New Accordion', 'ctrctheme' ),
		'edit_item'          => __( 'Edit Accordion', 'ctrctheme' ),
		'view_item'          => __( 'View Accordion', 'ctrctheme' ),
		'all_items'          => __( 'All Accordions', 'ctrctheme' ),
		'search_items'       => __( 'Search Accordions', 'ctrctheme' ),
		'parent_item_colon'  => __( 'Parent Accordions:', 'ctrctheme' ),
		'not_found'          => __( 'No Accordions found.', 'ctrctheme' ),
		'not_found_in_trash' => __( 'No Accordions found in Trash.', 'ctrctheme' )
	);

	$args = array(
		'labels'             => $labels,
		'menu_icon'			 => 'dashicons-star-filled',
        'description'        => __( 'Description.', 'ctrctheme' ),
		'public'             => true,
		'publicly_queryable' => true,
		'show_ui'            => true,
		'show_in_menu'       => true,
		'query_var'          => true,
		'rewrite'            => array( 'slug' => 'accordion' ),
		'capability_type'    => 'post',
		'has_archive'        => true,
		'hierarchical'       => false,
		'menu_position'      => null,
		'supports'           => array( 'title' )
	);

	register_post_type( 'accordion', $args );
}