PHP Manual
ODBC 函数
Return column number

odbc_field_num

(PHP 4, PHP 5, PHP 7)

odbc_field_num — Return column number

说明

odbc_field_num ( resource $result_id , string $field_name ) : int

Gets the number of the column slot that corresponds to the named field in the given result identifier.

参数

result_id: The result identifier.
field_name: The field name.

返回值

Returns the field number as a integer, or FALSE on error. Field numbering starts at 1.

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