PHP Manual
Paradox 函数
Returns number of fields in a database

px_numfields

(PECL paradox >= 1.0.0)

px_numfields — Returns number of fields in a database

说明

px_numfields ( resource $pxdoc ) : int

Get the number of fields in a database file.

参数

pxdoc: Resource identifier of the paradox database as returned by px_new().

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().

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