Description:
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If you initialize a $mysqli object in an auto_prepend_file it is unavailable in 
and auto_append_file, even though auto_prepend_file and auto_append_file

Test script:
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.htaccess:
php_value  auto_prepend_file /path/to/file/prepend.php
php_value  auto_append_file /path/to/file/append.php

prepend.php:
$mysqli = new mysqli('localhost', 'user', 'pass', 'DBASE');

append.php:
$mysqli->close(); (or any mysqli method)

Expected result:
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No Errors

Actual result:
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Warning: mysqli::close() [mysqli.close]: Couldn't fetch mysqli in 
/path/to/file/append.php