* Pull zend_string* from INI directive
* Ensure that mail.force_extra_parameters INI directive does not have any nul bytes
* ext/standard: Make php_escape_shell_cmd() take a zend_string* instead of char*
This saves on an expensive strlen() computation
* Convert E_ERROR to ValueError in php_escape_shell_cmd()
* ext/standard: Make php_escape_shell_arg() take a zend_string* instead of char*
This saves on an expensive strlen() computation
* Convert E_ERROR to ValueError in php_escape_shell_arg()