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Bug #72041 Unknown type 18 sent by the server
Submitted: 2016-04-17 10:24 UTC Modified: 2017-04-24 19:19 UTC
From: janne dot saukkio at gmail dot com Assigned:
Status: Open Package: PDO MySQL
PHP Version: 5.6.20 OS: Debian 8
Private report: No CVE-ID: None
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 [2016-04-17 10:24 UTC] janne dot saukkio at gmail dot com
Apache2 error_log:
PHP Warning: PDO::prepare(): Unknown type 18 sent by the server. Please send a report to the developers ... on line 65
PHP Fatal error: Call to a member function execute() on boolean ... on line 66

My PHP version is 5.6.19-0+deb8u1 (Jessie doesn't have an update for PHP)
My MySQL version is 5.7.11

Example SQL code works perfectly on MySQL console and doesn't create an error.

Test script:

Create a PHP error by adding "?error=1" in the url


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 [2017-04-24 19:19 UTC]
-Package: PDO related +Package: PDO MySQL
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