Spanner/src/Operation.php
public function deleteMutation($table, KeySet $keySet)
    {
        return [
            self::OP_DELETE => [
                'table' => $table,
                'keySet' => $this->flattenKeySet($keySet),
            ]
        ];
    }
public function deleteMutation($table, KeySet $keySet)
    {
        return [
            self::OP_DELETE => [
                'table' => $table,
                'keySet' => $this->flattenKeySet($keySet),
            ]
        ];
    }
public function deleteMutation ( $ table , KeySet $ keySet ) { return [ self :: OP_DELETE => [ 'table' => $ table , 'keySet' => $ this -> flattenKeySet ( $ keySet ) , ] ] ; }
Create a formatted delete mutation.

@param string $table The table name.
@param KeySet $keySet The keys to delete.
@return array
Create a formatted delete mutation .