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Description

Usage

WP_Terms_List_Table::prepare_items();

Parameters

Returns

void

Source

File name: wordpress/wp-admin/includes/class-wp-terms-list-table.php
Lines:

  public function prepare_items() {
    $taxonomy = $this->screen->taxonomy;

    $tags_per_page = $this->get_items_per_page( "edit_{$taxonomy}_per_page" );

    if ( 'post_tag' === $taxonomy ) {
      
/**
 * Filters the number of terms displayed per page for the Tags list table.
 *
 * @since 2.8.0
 *
 * @param int $tags_per_page Number of tags to be displayed. Default 20.
 */
      $tags_per_page = apply_filters( 'edit_tags_per_page', $tags_per_page );

      
/**
 * Filters the number of terms displayed per page for the Tags list table.
 *
 * @since 2.7.0
 * @deprecated 2.8.0 Use {@see 'edit_tags_per_page'} instead.
 *
 * @param int $tags_per_page Number of tags to be displayed. Default 20.
 */
      $tags_per_page = apply_filters_deprecated( 'tagsperpage', array( $tags_per_page ), '2.8.0', 'edit_tags_per_page' );
    } elseif ( 'category' === $taxonomy ) {
      
/**
 * Filters the number of terms displayed per page for the Categories list table.
 *
 * @since 2.8.0
 *
 * @param int $tags_per_page Number of categories to be displayed. Default 20.
 */
      $tags_per_page = apply_filters( 'edit_categories_per_page', $tags_per_page );
    }

    $search = ! empty( $_REQUEST['s'] ) ? trim( wp_unslash( $_REQUEST['s'] ) ) : '';

    $args = array(
      'taxonomy'   => $taxonomy,
      'search'     => $search,
      'page'       => $this->get_pagenum(),
      'number'     => $tags_per_page,
      'hide_empty' => 0,
    );

    if ( ! empty( $_REQUEST['orderby'] ) ) {
      $args['orderby'] = trim( wp_unslash( $_REQUEST['orderby'] ) );
    }

    if ( ! empty( $_REQUEST['order'] ) ) {
      $args['order'] = trim( wp_unslash( $_REQUEST['order'] ) );
    }

    $args['offset'] = ( $args['page'] - 1 ) * $args['number'];

    // Save the values because 'number' and 'offset' can be subsequently overridden.
    $this->callback_args = $args;

    if ( is_taxonomy_hierarchical( $taxonomy ) && ! isset( $args['orderby'] ) ) {
      // We'll need the full set of terms then.
      $args['number'] = 0;
      $args['offset'] = $args['number'];
    }

    $this->items = get_terms( $args );

    $this->set_pagination_args(
      array(
        'total_items' => wp_count_terms(
          array(
            'taxonomy' => $taxonomy,
            'search'   => $search,
          )
        ),
        'per_page'    => $tags_per_page,
      )
    );
  }
 

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