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 fbsql_field_name    (PHP 4 >= 4.0.6, PHP 5) fbsql_field_name -- 
     Get the name of the specified field in a result
    Descriptionstring fbsql_field_name  ( resource result, int field_index) 
     fbsql_field_name() returns the name of the
     specified field index. result must be a
     valid result identifier and field_index is
     the numerical offset of the field.
     注: 
      field_index starts at 0.
      
      e.g. The index of the third field would actually be 2, the index
      of the fourth field would be 3 and so on.
     
      | 例子 1. fbsql_field_name() example | 
<?php// The users table consists of three fields:
 //   user_id
 //   username
 //   password.
 
 $res = fbsql_db_query("users", "select * from users", $link);
 
 echo fbsql_field_name($res, 0) . "\n";
 echo fbsql_field_name($res, 2);
 ?>
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       The above example would produce the following output:
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