WP_List_Table::get_primary_column_name() – Gets the name of the primary column.

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Description

Gets the name of the primary column.

Usage

$string = WP_List_Table::get_primary_column_name();

Parameters

Returns

string The name of the primary column.

Source

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

1 to 26 of 26
  protected function get_primary_column_name() {
    $columns = get_column_headers( $this->screen );
    $default = $this->WP_List_Table::get_default_primary_column_name();

    // If the primary column doesn't exist,
    // fall back to the first non-checkbox column.
    if ( ! isset( $columns[ $default ] ) ) {
      $default = self::get_default_primary_column_name();
    }

    
/**
 * Filters the name of the primary column for the current list table.
 *
 * @since 4.3.0
 *
 * @param string $default Column name default for the specific list table, e.g. 'name'.
 * @param string $context Screen ID for specific list table, e.g. 'plugins'.
 */
    $column = apply_filters( 'list_table_primary_column', $default, $this->screen->id );

    if ( empty( $column ) || ! isset( $columns[ $column ] ) ) {
      $column = $default;
    }

    return $column;
  }
 

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