# ibase_field_info

(PHP 5, PHP 7)

ibase_field_info — Get information about a field

### 说明

ibase_field_info ( resource `$result` , int `$field_number` ) : array

Returns an array with information about a field after a select query has been run.

### 参数

`result`

  An InterBase result identifier.

`field_number`

  Field offset.

### 返回值

Returns an array with the following keys: name, alias, relation, length and type.

### 范例

Example #1 ibase_field_info() example

    <?php
    $rs = ibase_query("SELECT * FROM tablename");
    $coln = ibase_num_fields($rs);
    for ($i = 0; $i < $coln; $i++) {
        $col_info = ibase_field_info($rs, $i);
        echo "name: ". $col_info['name']. "\n";
        echo "alias: ". $col_info['alias']. "\n";
        echo "relation: ". $col_info['relation']. "\n";
        echo "length: ". $col_info['length']. "\n";
        echo "type: ". $col_info['type']. "\n";
    }
    ?>

### 参见

- ibase_num_fields() - Get the number of fields in a result set