WordPress at a glance
function is not described

WP_Theme_Install_List_Table::prepare_items() public WP 1.0

{} It's a method of the class: WP_Theme_Install_List_Table{}

Return

Null. Nothing.

Usage

$WP_Theme_Install_List_Table = new WP_Theme_Install_List_Table();
$WP_Theme_Install_List_Table->prepare_items();

Notes

  • Global. Array. $tabs
  • Global. String. $tab
  • Global. Int. $paged
  • Global. String. $type
  • Global. Array. $theme_field_defaults

Code of WP_Theme_Install_List_Table::prepare_items() WP 5.5.3

<?php
public function prepare_items() {
	require ABSPATH . 'wp-admin/includes/theme-install.php';

	global $tabs, $tab, $paged, $type, $theme_field_defaults;
	wp_reset_vars( array( 'tab' ) );

	$search_terms  = array();
	$search_string = '';
	if ( ! empty( $_REQUEST['s'] ) ) {
		$search_string = strtolower( wp_unslash( $_REQUEST['s'] ) );
		$search_terms  = array_unique( array_filter( array_map( 'trim', explode( ',', $search_string ) ) ) );
	}

	if ( ! empty( $_REQUEST['features'] ) ) {
		$this->features = $_REQUEST['features'];
	}

	$paged = $this->get_pagenum();

	$per_page = 36;

	// These are the tabs which are shown on the page,
	$tabs              = array();
	$tabs['dashboard'] = __( 'Search' );
	if ( 'search' === $tab ) {
		$tabs['search'] = __( 'Search Results' );
	}
	$tabs['upload']   = __( 'Upload' );
	$tabs['featured'] = _x( 'Featured', 'themes' );
	//$tabs['popular']  = _x( 'Popular', 'themes' );
	$tabs['new']     = _x( 'Latest', 'themes' );
	$tabs['updated'] = _x( 'Recently Updated', 'themes' );

	$nonmenu_tabs = array( 'theme-information' ); // Valid actions to perform which do not have a Menu item.

	/** This filter is documented in wp-admin/theme-install.php */
	$tabs = apply_filters( 'install_themes_tabs', $tabs );

	/**
	 * Filters tabs not associated with a menu item on the Install Themes screen.
	 *
	 * @since 2.8.0
	 *
	 * @param string[] $nonmenu_tabs The tabs that don't have a menu item on
	 *                               the Install Themes screen.
	 */
	$nonmenu_tabs = apply_filters( 'install_themes_nonmenu_tabs', $nonmenu_tabs );

	// If a non-valid menu tab has been selected, And it's not a non-menu action.
	if ( empty( $tab ) || ( ! isset( $tabs[ $tab ] ) && ! in_array( $tab, (array) $nonmenu_tabs, true ) ) ) {
		$tab = key( $tabs );
	}

	$args = array(
		'page'     => $paged,
		'per_page' => $per_page,
		'fields'   => $theme_field_defaults,
	);

	switch ( $tab ) {
		case 'search':
			$type = isset( $_REQUEST['type'] ) ? wp_unslash( $_REQUEST['type'] ) : 'term';
			switch ( $type ) {
				case 'tag':
					$args['tag'] = array_map( 'sanitize_key', $search_terms );
					break;
				case 'term':
					$args['search'] = $search_string;
					break;
				case 'author':
					$args['author'] = $search_string;
					break;
			}

			if ( ! empty( $this->features ) ) {
				$args['tag']      = $this->features;
				$_REQUEST['s']    = implode( ',', $this->features );
				$_REQUEST['type'] = 'tag';
			}

			add_action( 'install_themes_table_header', 'install_theme_search_form', 10, 0 );
			break;

		case 'featured':
			// case 'popular':
		case 'new':
		case 'updated':
			$args['browse'] = $tab;
			break;

		default:
			$args = false;
			break;
	}

	/**
	 * Filters API request arguments for each Install Themes screen tab.
	 *
	 * The dynamic portion of the hook name, `$tab`, refers to the theme install
	 * tabs. Default tabs are 'dashboard', 'search', 'upload', 'featured',
	 * 'new', and 'updated'.
	 *
	 * @since 3.7.0
	 *
	 * @param array|false $args Theme install API arguments.
	 */
	$args = apply_filters( "install_themes_table_api_args_{$tab}", $args );

	if ( ! $args ) {
		return;
	}

	$api = themes_api( 'query_themes', $args );

	if ( is_wp_error( $api ) ) {
		wp_die( $api->get_error_message() . '</p> <p><a href="#" onclick="document.location.reload(); return false;">' . __( 'Try Again' ) . '</a>' );
	}

	$this->items = $api->themes;

	$this->set_pagination_args(
		array(
			'total_items'     => $api->info['results'],
			'per_page'        => $args['per_page'],
			'infinite_scroll' => true,
		)
	);
}