Template Example

template.php

<?php

/**
 * @file
 * template.php
 */

function sitename_menu_tree__menu_block__1(array $variables) {
	return '<ul class="menu">' . $variables['tree'] . '</ul>';
}

function sitename_menu_link__menu_block__1(array $variables) {
	$element = $variables['element'];
	$sub_menu = '';

	if ($element['#below']) {
		$sub_menu = drupal_render($element['#below']);
	}

	$output = l($element['#title'], $element['#href'], $element['#localized_options']);
	return '<li' . drupal_attributes($element['#attributes']) . '>' . $output . $sub_menu . "</li>\n";
}

function sitename_preprocess_views_view_fields(&$vars) {  
	foreach ($vars['view']->result as $i => $result) {
		// if (isset($result->field_field_video)) {

			$vars['view']->result[$i]->field_field_featured_image = array();
		// }
	}

	/*
	// remove the featured image if the video field has a value
	if (in_array($vars['view']->name, array('screenings'))) {

		unset($vars['view']->field['field_featured_image']);
		dpm($vars['view']->field);
		/*
		if ($vars['view']->field['field_video']->original_value !== null) {
			unset($vars['view']->field['field_featured_image']);
		} 
	 
	}
	*/   

}

function sitename_preprocess_field(&$variables, $hook) {
	// add fitvids container class to any field-video wrapper
	if ($variables['field_name_css'] == 'field-video') {
		$variables['classes_array'][] = 'fitvids-container';
	}
 
}

function sitename_preprocess_node(&$variables) {
	// If content type is "screening", then display
	// video, image (in that order)
	if ($variables['type'] == 'screening') {
		if (count($variables['field_video']) && count($variables['field_featured_image'])) {
			unset($variables['content']['field_featured_image']);
		}
	}
}

function sitename_preprocess_page(&$variables) {
	// if this is a node page
	if (isset($variables['node']->type)) {
		$node = $variables['node'];
		// if ($node->type == 'screening') dpm($node);
		// add the director to the page so it can be included in the header 
		if (isset($node->field_director)) {
			$variables['directed_by'] = $node->field_director['und'][0]['safe_value'];
		}
	}
}

function sitename_breadcrumb($variables) {
	$breadcrumb = $variables['breadcrumb'];
	if (!empty($breadcrumb)) {
		$output = '<div class="breadcrumb"><span class="breadcrumb-inner">';

		/*
			Last breadcrumb is an array of render objects and not an already rendered link.
			Manually render the last link
		*/

		if (is_array($breadcrumb[count($variables['breadcrumb'])-1])) {
			$breadcrumb[count($breadcrumb)-1] = 
				"<strong>" . $breadcrumb[count($breadcrumb)-1]['data'] . "</strong>";
		}

		$output .= implode(htmlentities(' > '), $breadcrumb);	
		$output .= '</span></div>';

		return $output;
	}
}