ID:               33491
 Updated by:       [EMAIL PROTECTED]
 Reported By:      [EMAIL PROTECTED]
-Status:           Open
+Status:           Assigned
 Bug Type:         MySQLi related
 Operating System: *
 PHP Version:      5CVS-2005-06-27 (dev)
-Assigned To:      
+Assigned To:      georg
 New Comment:

Georg, I'm not absolutely sure if this is just Mysqli issue, but if you
could check this out..:)



Previous Comments:
------------------------------------------------------------------------

[2005-06-27 15:01:53] [EMAIL PROTECTED]

Description:
------------
(gdb) run tt.php
Starting program: /www/php/bin/php tt.php
[Thread debugging using libthread_db enabled]
[New Thread -1208100640 (LWP 4755)]
PHP Fatal error:  Call to a member function fetch_row() on a non-object
in tt.php on line 8

Fatal error: Call to a member function fetch_row() on a non-object in
tt.php on line 8

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread -1208100640 (LWP 4755)]
0x0818cac4 in instanceof_function_ex (instance_ce=0x8431fac,
ce=0x8409f60, interfaces_only=0 '\0') at
/usr/src/php5/Zend/zend_operators.c:1564
1564                    if
(instanceof_function(instance_ce->interfaces[i], ce TSRMLS_CC)) {
(gdb) bt
#0  0x0818cac4 in instanceof_function_ex (instance_ce=0x8431fac,
ce=0x8409f60, interfaces_only=0 '\0') at
/usr/src/php5/Zend/zend_operators.c:1564
#1  0x0818cb2d in instanceof_function (instance_ce=0x8431fac,
ce=0x8409f60) at /usr/src/php5/Zend/zend_operators.c:1582
#2  0x08094fc7 in mysqli_objects_free_storage (object=0x8433cfc) at
/usr/src/php5/ext/mysqli/mysqli.c:132
#3  0x081a8547 in zend_objects_store_free_object_storage
(objects=0x839eeec) at /usr/src/php5/Zend/zend_objects_API.c:82
#4  0x08182b87 in shutdown_executor () at
/usr/src/php5/Zend/zend_execute_API.c:272
#5  0x0818f416 in zend_deactivate () at /usr/src/php5/Zend/zend.c:823
#6  0x0814e5fa in php_request_shutdown (dummy=0x0) at
/usr/src/php5/main/main.c:1237
#7  0x081fa4b9 in main (argc=2, argv=0xbffff414) at
/usr/src/php5/sapi/cli/php_cli.c:1142


Reproduce code:
---------------
<?php

class DB extends mysqli
{
  public function query_single($query) {
    $result = parent::query($query);
    $row = $result->fetch_row(); // <- Here be crash
    return (isset($row[0]) ? $row[0] : '');
  }
}

// Works when using mysqli class directly
/*
$DB = new mysqli('localhost', 'root', '', '');
var_dump($DB->query_single('SELECT DATE()'));
*/

// Segfault when using the DB class which extends mysqli
$DB = new DB('localhost', 'root', '', '');
var_dump($DB->query_single('SELECT DATE()'));




------------------------------------------------------------------------


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