From:             
Operating system: Debian Lenny
PHP version:      5.2.13
Package:          PDO related
Bug Type:         Bug
Bug description:SQLSTATE[HY093]: Invalid parameter number (error in docs or 
calculation)

Description:
------------
I get the following PDOException when executing a prepared statement:

SQLSTATE[HY093]: Invalid parameter number: parameter was not defined



This behaviour changed in PHP after version 5.2.0 and a related issue
#40417 exists.



However, nothing in the documentation specifies that you can't bind MORE
variables than are used in the SQL. For example if you call
$statement->execute($_POST), you might bind more variables than are used in
the SQL.

Test script:
---------------
$params = array(':key1' => 'value1', ':key2' => 'value2');

$stmt = $db->prepare('SELECT * FROM table WHERE id=:key1');

$stmt->execute($params);

Expected result:
----------------
I expect this to succeed. We relied on this feature in much of our old code
working up to PHP version 5.2.0, but have made a workaround in our DB layer
which parses the SQL.

Actual result:
--------------
PDOException: SQLSTATE[HY093]: Invalid parameter number: parameter was not
defined

-- 
Edit bug report at http://bugs.php.net/bug.php?id=51559&edit=1
-- 
Try a snapshot (PHP 5.2):            
http://bugs.php.net/fix.php?id=51559&r=trysnapshot52
Try a snapshot (PHP 5.3):            
http://bugs.php.net/fix.php?id=51559&r=trysnapshot53
Try a snapshot (PHP 6.0):            
http://bugs.php.net/fix.php?id=51559&r=trysnapshot60
Fixed in SVN:                        
http://bugs.php.net/fix.php?id=51559&r=fixed
Fixed in SVN and need be documented: 
http://bugs.php.net/fix.php?id=51559&r=needdocs
Fixed in release:                    
http://bugs.php.net/fix.php?id=51559&r=alreadyfixed
Need backtrace:                      
http://bugs.php.net/fix.php?id=51559&r=needtrace
Need Reproduce Script:               
http://bugs.php.net/fix.php?id=51559&r=needscript
Try newer version:                   
http://bugs.php.net/fix.php?id=51559&r=oldversion
Not developer issue:                 
http://bugs.php.net/fix.php?id=51559&r=support
Expected behavior:                   
http://bugs.php.net/fix.php?id=51559&r=notwrong
Not enough info:                     
http://bugs.php.net/fix.php?id=51559&r=notenoughinfo
Submitted twice:                     
http://bugs.php.net/fix.php?id=51559&r=submittedtwice
register_globals:                    
http://bugs.php.net/fix.php?id=51559&r=globals
PHP 4 support discontinued:          http://bugs.php.net/fix.php?id=51559&r=php4
Daylight Savings:                    http://bugs.php.net/fix.php?id=51559&r=dst
IIS Stability:                       
http://bugs.php.net/fix.php?id=51559&r=isapi
Install GNU Sed:                     
http://bugs.php.net/fix.php?id=51559&r=gnused
Floating point limitations:          
http://bugs.php.net/fix.php?id=51559&r=float
No Zend Extensions:                  
http://bugs.php.net/fix.php?id=51559&r=nozend
MySQL Configuration Error:           
http://bugs.php.net/fix.php?id=51559&r=mysqlcfg

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