[PHP] Segment fault

[Doug Dalton]

I am writting a php script that will be used in production,  it connects 
to a imap server gets all the headers and stores them in a db:

Here is where it is crashing

0x28258ede in mm_cache () from /usr/local/lib/libc-client4.so.8

(gdb) bt
#0  0x28258ede in mm_cache () from /usr/local/lib/libc-client4.so.8
#1  0x2825b9a2 in mail_elt () from /usr/local/lib/libc-client4.so.8
#2  0x0809af8e in zif_imap_headers (ht=1, return_value=0x113196a4,
   this_ptr=0x0, return_value_used=1)
   at /usr/home/ddalton/src/php-4.3.4/ext/imap/php_imap.c:1048
#3  0x081c2b06 in execute (op_array=0x82acb24)
   at /usr/home/ddalton/src/php-4.3.4/Zend/zend_execute.c:1616
#4  0x081b13a9 in zend_execute_scripts (type=8, retval=0x0, file_count=3)
   at /usr/home/ddalton/src/php-4.3.4/Zend/zend.c:884
#5  0x08179f5b in php_execute_script (primary_file=0xbfbff6fc)
   at /usr/home/ddalton/src/php-4.3.4/main/main.c:1729
#6  0x081c8fa9 in main (argc=2, argv=0xbfbff76c)
   at /usr/home/ddalton/src/php-4.3.4/sapi/cli/php_cli.c:819
#7  0x0806af85 in _start ()
it appears to run out of memory in the c-client, increasing the memory 
limit does not resolve the issue here are the key elements of the code:

include '../config.php';

while($row = $results->fetchRow(DB_FETCHMODE_ASSOC))
{
$cnt=0;
$successful=false;
extract ($row);
$connectstr=connectstr($bmserver,$bmssl,$bmtype);
$mbox = imap_open("\{$connectstr}", "$bmusername", "$bmpassword", 
OP_READONLY );
$list = imap_list($mbox, "\{$server}", "*");

 if (is_array($list)) {
  reset($list);
   while (list($key, $val) = each($list))
   {
    @imap_reopen($mbox,  $val, OP_READONLY );
     if ( $mbox === false )
      {
             $mbox = imap_open("\{$connectstr}$val", "$bmusername", 
"$bmpassword",  OP_READONLY );
      }
   $headers = @imap_headers($mbox);

   $numEmails = sizeof($headers);
    if ($numEmails!=0 && is_array($headers))
    {
     for($i = 0; $i < $numEmails; $i++)
     {
     $mailHeader = @imap_headerinfo($mbox, $i);
     $from = $mailHeader->fromaddress;
     $fromar=split(",",$from);
     $xfrom=sizeof($fromar);
        for ($y=0; $y < $xfrom; $y++)
         {
         $emails=parseEmailString($fromar[$y]);
         if (insertemail ($emails))
           $successful=true;
         }
     }
    }
   }
  }

}

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