$ *export USE_ZEND_ALLOC=0*
$ valgrind php -n -cvalgrind-gc/php.ini valgrind-gc/bug0894-001.php
==28355== Memcheck, a memory error detector
==28355== Copyright (C) 2002-2015, and GNU GPL'd, by Julian Seward et al.
==28355== Using Valgrind-3.12.0.SVN and LibVEX; rerun with -h for copyright info
==28355== Command: php -n -cvalgrind-gc/php.ini valgrind-gc/bug0894-001.php
==28355==
Created array of 9 BSON objects
==28355==
==28355== HEAP SUMMARY:
==28355== in use at exit: 2,982 bytes in 75 blocks
==28355== total heap usage: 29,680 allocs, 29,605 frees, 3,638,264 bytes allocated
==28355==
==28355== LEAK SUMMARY:
==28355== *definitely lost: 768 bytes in 20 blocks*
==28355== indirectly lost: 0 bytes in 0 blocks
==28355== possibly lost: 0 bytes in 0 blocks
==28355== still reachable: 2,214 bytes in 55 blocks
==28355== suppressed: 0 bytes in 0 blocks
==28355== Rerun with *--leak-check=full* to see details of leaked memory
==28355==
==28355== For counts of detected and suppressed errors, rerun with: -v
==28355== ERROR SUMMARY: 0 errors from 0 contexts (suppressed: 0 from 0)
