Overview
KB
Technical FAQ
PHP Manual
CSS2 Manual
HTML Manual
JS Guide
JS Reference
PhpDock Manual
Nu-Coder Manual
PhpExpress Manual
PHP Joomla
Development
Learn PHP
 
<odbc_gettypeinfoodbc_next_result>
^ODBC FunctionsLast updated: Mon, 26 Oct 2026

odbc_longreadlen

(PHP 4, PHP 5, PHP 7, PHP 8)

odbc_longreadlen — Handling of LONG columns

Description

function odbc_longreadlen(Odbc\Result $statement, int $length): true

Controls handling of LONG, LONGVARCHAR and LONGVARBINARY columns. The default length can be set using the uodbc.defaultlrl php.ini directive.

Parameters

statement

The ODBC result object.

length

The number of bytes returned to PHP is controlled by the parameter length. If it is set to 0, long column data is passed through to the client (i.e. printed) when retrieved with odbc_result().

Return Values

Always returns true.

Changelog

Version Description
8.4.0 statement expects an Odbc\Result instance now; previously, a resource was expected.

Notes

Note:

Handling of LONGVARBINARY columns is also affected by odbc_binmode().


<odbc_gettypeinfoodbc_next_result>
^ODBC FunctionsLast updated: Mon, 26 Oct 2026