px_numfields
(PECL paradox >= 1.0.0)
px_numfields — Returns number of fields in a database
说明
px_numfields
( resource
$pxdoc
) : intGet the number of fields in a database file.
返回值
Returns the number of fields in a database file. The return value of this function is identical to the element numfields in the array returned by px_get_info().