# cubrid_field_type

(PECL CUBRID >= 8.3.0)

cubrid_field_type — Return the type of the column corresponding to the given field offset

### 说明

cubrid_field_type(resource `$result`, int `$field_offset`): string

This function returns the type of the column corresponding to the given field offset. The returned field type could be one of the following: "int", "real", "string", etc.

### 参数

`result`
  `result` comes from a call to cubrid_execute()
`field_offset`
  The numerical field offset. The `field_offset` starts at 0. If `field_offset` does not exist, an error of level `E_WARNING` is also issued.

### 返回值

Type of the column, on success.

`false` when invalid field_offset value.

-1 if SQL sentence is not SELECT.

### 示例

示例 #1 cubrid_field_type() example

`<?php
$conn = cubrid_connect("localhost", 33000, "demodb");
$result = cubrid_execute($conn, "SELECT * FROM code");
$col_num = cubrid_num_cols($result);
printf("%-15s %-15s %s\n", "Field Table", "Field Name", "Field Type");
for($i = 0; $i < $col_num; $i++) {
printf("%-15s %-15s %s\n",
cubrid_field_table($result, $i), cubrid_field_name($result, $i), cubrid_field_type($result, $i));
}
cubrid_disconnect($conn);
?>`

以上示例会输出：

    Field Table     Field Name      Field Type
    code            s_name          char
    code            f_name          varchar

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