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# ifx_fieldproperties

(PHP 3 >= 3.0.3, PHP 4, PHP 5)

ifx_fieldproperties -- List of SQL fieldproperties

## 说明

array ifx_fieldproperties ( resource result_id )

Returns the Informix SQL fieldproperties of every field in the query as an associative array. Properties are encoded as: "SQLTYPE;length;precision;scale;ISNULLABLE" where SQLTYPE = the Informix type like "SQLVCHAR" etc. and ISNULLABLE = "Y" or "N".

## 参数

`result_id`

  `result_id` is a valid resultid returned by ifx_query() or ifx_prepare() (select type queries only!).

## 返回值

Returns an associative array with fieldnames as key and the SQL fieldproperties as data for a query with `result_id`. Returns `FALSE` on errors.

## 范例

例 1. Informix SQL fieldproperties

`<?php $properties = ifx_fieldproperties($resultid); if (!isset($properties)) { /* ... error ... */ } foreach ($properties as $fname => $val) { echo "$fname:\t property = $val\n"; } ?>`

## 参见

ifx_fieldtypes()

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