MySQL Fatal Error: Out Of Memory, When Using One Script

Hallo all,

I have Web Shop (8000 articles) and recently we buy one additional B2B script.
This B2B script have job that import every day items from our supplier to our web shop automatically, in one time, 8000 articles.
This import we make every day manually on 09:00h in the morning and this job is only 10min (maybe less).

This script have problem to work, from 3 times, he succeed one times to import (we are on shared server). Server have some limitation.
We complain to hosting company, and they transfer our web to another server, also shared. And now B2B script do not wok at all.

Programmer which build this script do not know why is not importing, on the same server exist another site, with the same B2B script, which working good (programmer tell me). I want to help my programmer and me, but I do not know how.

Inside this B2B script, we have two different supplier from where we make import articles manually.

That I make shorter as possible.
We have Joomla 1.5.25 and Virtuemart 1.1.8.
On live site, in PHP.INI is disabled Error Display and is hard to see why is not importing.
Then, I install server locally on my laptop, and make enable error display in php.ini, and discover this:

When I try to import articles from my first Supplier A, after 3 seconds I receive this error:

**************************************
Fatal error: Call to undefined function curl_init() in C:xampphtdocsciuxadministratorcomponentscom_b2bimportscriptsasbis.php on line 42
**************************************

when I try to make import of second supplier B, after click on import button, I wait for import 3 minutes and then he report this:

***************************************************************
Fatal error: Out of memory (allocated 42467328) (tried to allocate 9437164 bytes) in C:xampphtdocsciuxlibrariesjoomladatabasedatabasemysqli.php on line 239

Fatal error: Maximum execution time of 30 seconds exceeded in C:xampphtdocsciuxlibrariesjoomlasessionstoragedatabase.php on line 82

Fatal error: Maximum execution time of 30 seconds exceeded in C:xampphtdocsciuxlibrariesjoomlasessionstoragedatabase.php on line 51
**************************************************************

then I make this changes in php.ini, increase from 30sec. to max_execution time = 600 (recomandation of my programer),

try again to import, and now I wait 5 minutes, and server report this:

************************************
Fatal error: Out of memory (allocated 42729472) (tried to allocate 9699308 bytes) in C:xampphtdocsciuxlibrariesjoomladatabasedatabasemysqli.php on line 239
************************************

now without maximum execution time error, but also not work.

In Joomla, this line 239 is this:

*********************************
function query()
{
if (!is_object($this->_resource)) {
return false;
}

// Take a local copy so that we don't modify the original query and cause issues later
$sql = $this->_sql;
if ($this->_limit > 0 || $this->_offset > 0) {
$sql .= ' LIMIT ' . max($this->_offset, 0) . ', ' . max($this->_limit, 0);
}
if ($this->_debug) {
$this->_ticker++;
$this->_log[] = $sql;
}
$this->_errorNum = 0;
$this->_errorMsg = '';
$this->_cursor = mysqli_query( $this->_resource, $sql ); // this is that line 239

if (!$this->_cursor)
{
$this->_errorNum = mysqli_errno( $this->_resource );
$this->_errorMsg = mysqli_error( $this->_resource )." SQL=$sql";

if ($this->_debug) {
JError::raiseError(500, 'JDatabaseMySQL::query: '.$this->_errorNum.' - '.$this->_errorMsg );
}
return false;
}
return $this->_cursor;
}
************************************

Now, this is two problem which need to repair.
Thank You in advance.

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