Db::getPrimaryKey
Usage
?string Db::getPrimaryKey(string $table_name)Description
Get the name of the primary key column of a database table.Parameters
| Parameter | Required | Type | Description |
|---|---|---|---|
| $table_name | Yes | string | The table name to get primary key column of. |
Return Value
Returns the name of the primary key column, or null if the table does not have a primary key.Examples
Get Primary Key
$table = 'admin';
$primary_key = $this->db->getPrimaryey($table);
echo "Primary key of table is $primary_key\n";