address out of bounds error: PHP5

Hi ..
I needed some help with the following loop. All I am doing here is dividing the record set into some fixed size chunks(25000 here) and then copyin the 25000 records from the whole records-set($hvulnrecords(SIZE: APPROX 200000 RECS..which is an associative array) into another array $parts. After that I insert 25000 records using some Sqlite (INSERT statements)....

Output halts after ...

No. of hostvuln chunks7
Count of vuln recs:25000

Code::

            $chunkcnt = intval(count($hvulnrecords)/25000);
            echo "\nNo. of hostvuln chunks" . $chunkcnt;
            if($chunkcnt>0)
            {
                    $begin = 0;
                    $end = 0;
                    for($k = 0; $k < $chunkcnt; $k++)
                    {
                            $end += 25000;
                            $i = 0;
                            $parts = array();
                            for($j = $begin;$j < $end; $j++)
                            {
                                    $parts[$i] = $hvulnrecords[$j];
                                    $i++;
                            }
                            if($this->_hostvuln->insertTransaction($parts))//add it
                            {}
                            else
                            {
                                    echo "\nFailed insert for hostvuln: Chunk no-" . $k;
                            }
                            $begin = $j;
                    }
                    //copy remaining
                    $i = 0;
                    $parts = array();
                    for($j = $end;$j<count($hvulnrecords);$j++)
                    {
                            $parts[$i] = $hvulnrecords[$j];
                            $i++;
                    }
                    if($this->_hostvuln->insertTransaction($parts))//add it
                    {}
                    else
                    {
                           echo "\nFailed insert for hostvuln: remaining.";
                    }
            }
            else
            {
                    if($this->_hostvuln->insertTransaction($hvulnrecords))//add it
                    {}
                    else
                    {
                           echo "\nFailed insert for hostvuln.";
                    }
            }

.
.
.
function insertTransaction($records)
{
echo "\nCount of vuln recs:" . count($records);
$sql = 'BEGIN;';
foreach ($records as $num => $record)
{
.//assign stmts and call Insertquery
db->query($sql);
//check for lastError..if none commit or rollback
}
}

ps shows...program is sleeping
And ..gdb shows it errored out...pasting the gdb output..below

No symbol table info available.
#12 0x08129561 in php_error_cb (type=7901952, error_filename=0x400 <Address 0x400 out of bounds>, error_lineno=679586864,
format=0xbfe9a83c "\036", args=0x4000000 <Address 0x4000000 out of bounds>) at /home/shruti/php-5.0.2/main/main.c:645
buffer = 0x4e <Address 0x4e out of bounds>
buffer_len = 33
display = 0
Previous frame identical to this frame (corrupt stack?)

Could someone please help me? Will wait for a reply...
Thanks a lot!

Regards,
Shruti.

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