Porting the patch from <https://github.com/php/php-src/commit/ 5c0455bf2c8cd3c25401407f158e820aa3b239e1> to solve CVE-2017-16642. Signed-off-by: Li Zhou <li.zhou@windriver.com> Signed-off-by: Armin Kuster <akuster808@gmail.com>
Signed-off-by: Derek Straka <derek@asterius.io> Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>