wpdb::get_col_info( string $info_type = 'name', int $col_offset = -1 ): mixed
Retrieves column metadata from the last query.
Parameters
-
$info_typestring Optional -
Possible values include
'name','table','def','max_length','not_null','primary_key','multiple_key','unique_key','numeric','blob','type','unsigned','zerofill'. Default'name'.Default:
'name' -
$col_offsetint Optional -
0: col name. 1: which table the col's in. 2: col's max length.
3: if the col is numeric. 4: col's type.Default:
-1
Return
mixed Column results.
Source
File: wp-includes/class-wpdb.php.
View all references
public function get_col_info( $info_type = 'name', $col_offset = -1 ) {
$this->load_col_info();
if ( $this->col_info ) {
if ( -1 === $col_offset ) {
$i = 0;
$new_array = array();
foreach ( (array) $this->col_info as $col ) {
$new_array[ $i ] = $col->{$info_type};
++$i;
}
return $new_array;
} else {
return $this->col_info[ $col_offset ]->{$info_type};
}
}
}
Changelog
| Version | Description |
|---|---|
| 0.71 | Introduced. |