ibrokemywp

/**
 * Let's say you're parsing query args in the admin so 
 * that you can apply some custom filters for your
 * custom post type list table.
 */
add_filter( 'parse_query', 'filter_my_post_type' );
function filter_my_post_type( $query ) {

	/**
	 * Oh good, you've put in that is_admin() check

ibrokemywp

/**
 * I'm going to add some content from one post to
 * the content of another post. Yay for me.
 */
add_filter( 'the_content', 'my_little_content_addition' );
function my_little_content_addition( $content ) {

	if ( is_the_right_content() ) {

		/**

ibrokemywp

/**
 * Load a .mo file for the old textdomain if one exists
 *
 * If you have to change your textdomain to comply with upcoming
 * plugin and theme repository standards, this function will check to
 * see if an old translation file exists and load it if it does, so
 * that people don't lose their translations.
 *
 * h/t: https://github.com/10up/grunt-wp-plugin/issues/21#issuecomment-62003284
 */

ibrokemywp

/**
 * Don't sort your custom post type admin lists this way because it will
 * override other sorting being executed on this list.
 */
add_action( 'pre_get_posts', array( $this, 'admin_order_posts' ) );
public function admin_order_posts( $query ) {

	if( ( is_admin() && $query->is_admin ) && $query->get( 'post_type' ) == 'my_custom_post_type' ) {
		$query->set( 'orderby', 'menu_order' );
		$query->set( 'order', 'ASC' );

ibrokemywp

/**
 * Check before sorting your custom post type admin lists so you don't
 * override other changes.
 */
add_action( 'pre_get_posts', array( $this, 'admin_order_posts' ) );
public function admin_order_posts( $query ) {

	if( ( is_admin() && $query->is_admin ) && $query->get( 'post_type' ) == 'my_custom_post_type' ) {

		// This prevents other orderby options from breaking.

ibrokemywp

/**
 * Register a single setting to store all of your options in the database
 */
register_setting( 'myslug_option_group', 'myslug', 'myslug_sanitize_options_array' );

/**
 * Define each of your settings
 */
add_settings_field(
	'name',

ibrokemywp

<?php if ( ( is_category() || is_tag() || is_tax() ) && $summary = term_description() ) : ?>
<div class="term-summary">
	<?php echo $summary; ?>
</div>
<?php endif; ?>

ibrokemywp

/**
 * Set up a global for storing settings in your product
 * (if you're using classes, store it in a controller)
 */
global $myprefix_settings;

/**
 * Set up your own wrapper for accessing settings in 
 * your product
 */

ibrokemywp

/**
 * Go ahead. Do your fancy shit
 */
$your_query = new WP_query( 'post_type' => 'your_cool_post_type' );
while( $your_query->have_posts() ) {
	$your_query->the_post();

	/**
	 * Look at your cool template function.
	 * That looks just like my template function.

ibrokemywp

<select name="tedious">
  <?php foreach( $options as $value => $label ) : ?>
  <option value="<?php echo $value; ?>" <?php if ( $value === $current_value ) { echo 'selected="selected"'; } ?>"><?php echo $label; ?></option>
  <?php endforeach; ?>
</select>