Gets a list of all, hidden, and sortable columns, with filter applied.
Source
protected function get_column_info() {
// $_column_headers is already set / cached.
if (
isset( $this->_column_headers ) &&
is_array( $this->_column_headers )
) {
/*
* Backward compatibility for `$_column_headers` format prior to WordPress 4.3.
*
* In WordPress 4.3 the primary column name was added as a fourth item in the
* column headers property. This ensures the primary column name is included
* in plugins setting the property directly in the three item format.
*/
if ( 4 === count( $this->_column_headers ) ) {
return $this->_column_headers;
}
$column_headers = array( array(), array(), array(), $this->get_primary_column_name() );
foreach ( $this->_column_headers as $key => $value ) {
$column_headers[ $key ] = $value;
}
$this->_column_headers = $column_headers;
return $this->_column_headers;
}
$columns = get_column_headers( $this->screen );
$hidden = get_hidden_columns( $this->screen );
$sortable_columns = $this->get_sortable_columns();
/**
* Filters the list table sortable columns for a specific screen.
*
* The dynamic portion of the hook name, `$this->screen->id`, refers
* to the ID of the current screen.
*
* @since 3.1.0
*
* @param array $sortable_columns An array of sortable columns.
*/
$_sortable = apply_filters( "manage_{$this->screen->id}_sortable_columns", $sortable_columns );
$sortable = array();
foreach ( $_sortable as $id => $data ) {
if ( empty( $data ) ) {
continue;
}
$data = (array) $data;
// Descending initial sorting.
if ( ! isset( $data[1] ) ) {
$data[1] = false;
}
// Current sorting translatable string.
if ( ! isset( $data[2] ) ) {
$data[2] = '';
}
// Initial view sorted column and asc/desc order, default: false.
if ( ! isset( $data[3] ) ) {
$data[3] = false;
}
// Initial order for the initial sorted column, default: false.
if ( ! isset( $data[4] ) ) {
$data[4] = false;
}
$sortable[ $id ] = $data;
}
$primary = $this->get_primary_column_name();
$this->_column_headers = array( $columns, $hidden, $sortable, $primary );
return $this->_column_headers;
}
Hooks
- apply_filters( “manage_{$this->screen->id}_sortable_columns”,
array $sortable_columns ) Filters the list table sortable columns for a specific screen.
Changelog
Version | Description |
---|---|
3.1.0 | Introduced. |
User Contributed Notes
You must log in before being able to contribute a note or feedback.