public function __construct($raise_php_limits = TRUE)
{
// Set suggested PHP limits
$this->memory_limit = 128 * 1048576;
// 128MB in bytes
$this->max_execution_time = 60;
// 1 min
$this->pcre_backtrack_limit = 1000 * 1000;
$this->pcre_recursion_limit = 500 * 1000;
$this->raise_php_limits = (bool) $raise_php_limits;
}