ifx_num_fields
(PHP 4, PHP <=5.2.0)
ifx_num_fields — Returns the number of columns in the query
Description
int ifx_num_fields
( resource
$result_id
)After preparing or executing a query, this call gives you the number of columns in the query.
Parameters
-
result_id
-
result_id
is a valid resultid returned by ifx_query() or ifx_prepare() (select type queries only!).
Return Values
Returns the number of columns in query for
result_id
, or FALSE
on errors.
Examples
Example #1 ifx_num_fields() Example
<?php
$conn_id = ifx_connect("db", "user", "password");
$res_id = ifx_query("select * from systables", $conn_id);
echo ifx_num_fields($res_id);
?>
- PHP Руководство
- Функции по категориям
- Индекс функций
- Справочник функций
- Расширения для работы с базами данных
- Расширения для работы с базами данных отдельных производителей
- Informix
- ifx_affected_rows
- ifx_blobinfile_mode
- ifx_byteasvarchar
- ifx_close
- ifx_connect
- ifx_copy_blob
- ifx_create_blob
- ifx_create_char
- ifx_do
- ifx_error
- ifx_errormsg
- ifx_fetch_row
- ifx_fieldproperties
- ifx_fieldtypes
- ifx_free_blob
- ifx_free_char
- ifx_free_result
- ifx_get_blob
- ifx_get_char
- ifx_getsqlca
- ifx_htmltbl_result
- ifx_nullformat
- ifx_num_fields
- ifx_num_rows
- ifx_pconnect
- ifx_prepare
- ifx_query
- ifx_textasvarchar
- ifx_update_blob
- ifx_update_char
- ifxus_close_slob
- ifxus_create_slob
- ifxus_free_slob
- ifxus_open_slob
- ifxus_read_slob
- ifxus_seek_slob
- ifxus_tell_slob
- ifxus_write_slob
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