Add hook to hidden inline data for quick edit

[helgatheviking]

It'd be handy to be able to add data that will be used by the quick edit in the same place that the default data is already added. This could be achieved by adding an action hook in the get_inline_data() function.

/**
 * {@internal Missing Short Description}}
 *
 * @since 2.7.0
 *
 * @param unknown_type $post
 */
function get_inline_data($post) {
	$post_type_object = get_post_type_object($post->post_type);
	if ( ! current_user_can( 'edit_post', $post->ID ) )
		return;

	$title = esc_textarea( trim( $post->post_title ) );

	/** This filter is documented in wp-admin/edit-tag-form.php */
	echo '
<div class="hidden" id="inline_' . $post->ID . '">
	<div class="post_title">' . $title . '</div>
	<div class="post_name">' . apply_filters( 'editable_slug', $post->post_name ) . '</div>
	<div class="post_author">' . $post->post_author . '</div>
	<div class="comment_status">' . esc_html( $post->comment_status ) . '</div>
	<div class="ping_status">' . esc_html( $post->ping_status ) . '</div>
	<div class="_status">' . esc_html( $post->post_status ) . '</div>
	<div class="jj">' . mysql2date( 'd', $post->post_date, false ) . '</div>
	<div class="mm">' . mysql2date( 'm', $post->post_date, false ) . '</div>
	<div class="aa">' . mysql2date( 'Y', $post->post_date, false ) . '</div>
	<div class="hh">' . mysql2date( 'H', $post->post_date, false ) . '</div>
	<div class="mn">' . mysql2date( 'i', $post->post_date, false ) . '</div>
	<div class="ss">' . mysql2date( 's', $post->post_date, false ) . '</div>
	<div class="post_password">' . esc_html( $post->post_password ) . '</div>';

	if ( $post_type_object->hierarchical )
		echo '<div class="post_parent">' . $post->post_parent . '</div>';

	if ( $post->post_type == 'page' )
		echo '<div class="page_template">' . esc_html( get_post_meta( $post->ID, '_wp_page_template', true ) ) . '</div>';

	if ( post_type_supports( $post->post_type, 'page-attributes' ) )
		echo '<div class="menu_order">' . $post->menu_order . '</div>';

	$taxonomy_names = get_object_taxonomies( $post->post_type );
	foreach ( $taxonomy_names as $taxonomy_name) {
		$taxonomy = get_taxonomy( $taxonomy_name );

		if ( $taxonomy->hierarchical && $taxonomy->show_ui ) {
				echo '<div class="post_category" id="' . $taxonomy_name . '_' . $post->ID . '">'
					. implode( ',', wp_get_object_terms( $post->ID, $taxonomy_name, array( 'fields' => 'ids' ) ) ) . '</div>';
		} elseif ( $taxonomy->show_ui ) {
			echo '<div class="tags_input" id="'.$taxonomy_name.'_'.$post->ID.'">'
				. esc_html( str_replace( ',', ', ', get_terms_to_edit( $post->ID, $taxonomy_name ) ) ) . '</div>';
		}
	}

	if ( !$post_type_object->hierarchical )
		echo '<div class="sticky">' . (is_sticky($post->ID) ? 'sticky' : '') . '</div>';

	if ( post_type_supports( $post->post_type, 'post-formats' ) )
		echo '<div class="post_format">' . esc_html( get_post_format( $post->ID ) ) . '</div>';

	do_action( 'inline_data', $post );
	
	echo '</div>';
}

[Mte90]

hook with docs

[Mte90]

I added the hook with a little bit of docs, I also removed a duplicated comment in the get_inline_data function.

[Mte90]

I was trying to understand for unit tests for this but I am not sure if have to add a unit test for an hook. Also the same function as a filter editale_slug that doesn't have unit test.

[jazbek]

Here for removal of that duplicate comment. I was starting to think I was crazy -- there is no filter there, right? 🤯

[johnbillion]

Duplicate of #36085.