page-course-subjects.php

<?php
/*
Template Name: Course Subjects
*/
get_header(); ?>
<?php //Grabs most parent page's featured image for background of title.
  while (have_posts()) : the_post();
  $parent = array_reverse(get_post_ancestors(get_the_ID()));
  $first_parent = get_page($parent[0]);
  $first_parent_Id = $first_parent->ID;
  $url = wp_get_attachment_image_src( get_post_thumbnail_id($first_parent_Id), 'full');
  endwhile?>
  

<?php include(get_template_directory().'/inc/sidebar-check.php')?>
<div id="page-page">
  <?php if (have_posts()) : while (have_posts()) : the_post(); ?>

  <div class="row">
    <div class="col-sm-<?php echo (is_active_sidebar( $sidebar )?9:12); ?>">
        <div id="primary" class="content-area subpage">
            <main id="main" class="site-main" role="main">
            
            	<?php get_template_part( 'content', 'page' ); ?>
				
				<?php
            
                  // Alphabet array
                  $alpharay = array('A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z');
            
                  // Letter navigation
                  echo '<ul class="letter-list clearfix">';
                  foreach($alpharay as $letter) {
                    echo '<li><a href="#letter-' . $letter . '">' . $letter . '</a></li>';
                  };
                  echo '</ul>';
            
                  // Counter for proper .row and .span placement
                  $colcount = 0;
            
                  // Course Subject Query args
                  $args = array(
                    'type'                     => 'post',
                    'child_of'                 => 0,
                    'parent'                   => '',
                    'orderby'                  => 'name',
                    'order'                    => 'ASC',
                    'hide_empty'               => 1,
                    'hierarchical'             => 1,
                    'exclude'                  => '',
                    'include'                  => '',
                    'number'                   => '',
                    'taxonomy'                 => 'subjects',
                    'pad_counts'               => false
                  );
            
                  // Subject Taxonomy array
                  $subject_list = get_categories($args);
            
                  // Start by looping through the alphabet array
                  foreach( $alpharay as $letter ) {
                    $letter_exists = 0;
            
                    // Determine whether there are subjects that start with current letter
                    foreach($subject_list as $subject) {
                      if(strpos($subject->name, $letter) === 0) {
                        $letter_exists = 1;
                      };
                    };
            
                    // Perform if subjects exist starting with current letter
                    if($letter_exists) {
            
                      // Create small list for each letter
                      if($colcount) {
                        echo '<div class="col-sm-6 alph-subj-list columns" id="letter-' . $letter . '">';
                        echo '<h2>' . $letter . '</h2>';
            			echo '<ul class="course-alpha-list">';
						
                        foreach( $subject_list as $subject ) {
                          if(strpos($subject->name, $letter) === 0) {
                            $subject_link = get_home_url() . '/graduate-courses/' . $subject->slug;
                            echo '<li><a href="' . $subject_link . '">' . $subject->description . ' (' . $subject->name . ')</a></li>';
                          };
                        };
            			
						echo '</ul>';
                        echo '</div>';
                        echo '</div>';
                        $colcount = 0;
                      } else {
                        echo '<div class="row">';
                        echo '<div class="col-sm-6 alph-subj-list columns" id="letter-' . $letter . '">';
                        echo '<h2>' . $letter . '</h2>';
            			echo '<ul class="course-alpha-list">';
						
                        foreach( $subject_list as $subject ) {
                          if(strpos($subject->name, $letter) === 0) {
                            $subject_link = get_home_url() . '/graduate-courses/' . $subject->slug;
                            echo '<li><a href="' . $subject_link . '">' . $subject->description . ' (' . $subject->name . ')</a></li>';
                          };
                        };
            			
						echo '</ul>';
                        echo '</div>';
                        $colcount++;
                      };
                    };
            
                  };
            
                  ?>
      		</main>
      	</div>
       
      </div>
       <?php include(get_template_directory().'/inc/sidebar-if-active.php')?>
  </div>
<?php endwhile; endif; ?>
</div>
<?php get_footer(); ?>