--TEST--
Bug #77751: Writing to SplFileObject in ob_start gives segfault
--FILE--
<?php
echo "No crash.\n";
$logfile = new SplTempFileObject();
ob_start(function ($buffer) use ($logfile) {
$logfile->fwrite($buffer);
$logfile->fflush();
return "";
});
echo "hmm\n";
?>
--EXPECT--
No crash.