(PHP 4 >= 4.3.9, PHP 5 < 5.1.0, PECL mcve >= 1.0.0)
m_getheader — Get the name of the column in a comma-delimited response
$conn
$identifier
$column_num
��������δ��д�ĵ������в����б�
conn
�� m_initengine() ���ص� MCVE_CONN ��Դ��
identifier
column_num