<?php
#################################
# ECHO VERSIONS #################
#################################
echo "PHP: " . phpversion() . "\n";
echo "Mongo Driver: " . phpversion('mongo') . "\n";

##########################################
# CREATE FAILURE CONDITION ###############
##########################################

$connection = new MongoClient('mongodb://localhost:27017');

$connection->test->segfault_demo->insert(array('test' => 1));
$connection->test->segfault_demo->insert(array('test' => 2));
$connection->test->segfault_demo->insert(array('test' => 3));
$connection->test->segfault_demo->insert(array('test' => 4));
$connection->test->segfault_demo->insert(array('test' => 5));
$connection->test->segfault_demo->insert(array('test' => 6));
$connection->test->segfault_demo->insert(array('test' => 7));

$txlogs = $connection->test->segfault_demo->find()->limit(5);

foreach($txlogs as $txlog)  {
  echo ($txlogs->dead() ? "Dead" : "Not Dead") . "\n";
}

################################
# CAUSE SEGFAULT ###############
################################
$txlogs->info();

PHP: 5.3.10-1ubuntu3.9
Mongo Driver: 1.4.5
Not Dead
Not Dead
Not Dead
Not Dead
Not Dead
Segmentation fault