* @param string $script The PHP script to run (as a string)
* @param string|null $cwd The working directory or null to use the working dir of the current PHP process
* @param array|null $env The environment variables or null to use the same environment as the current PHP process
* @param int $timeout The timeout in seconds
* @param array $options An array of options for proc_open
*/
* @param string $script The PHP script to run (as a string)
* @param string|null $cwd The working directory or null to use the working dir of the current PHP process
* @param array|null $env The environment variables or null to use the same environment as the current PHP process
* @param int $timeout The timeout in seconds
* @param array $options An array of options for proc_open
*/