Process builtins

Process builtins

Function	Signature	Returns	AOT	eval()
die()	(int $status = 0): void	void	✓	✓
exec()	(string $command): string	string	✓	✓
exit()	(int $status = 0): void	void	✓	✓
passthru()	(string $command): void	void	✓	✓
pclose()	(resource $handle): int	int	✓	✓
popen()	(string $command, string $mode): mixed	mixed	✓	✓
readline()	(?string $prompt = null): mixed	mixed	✓	✓
shell_exec()	(string $command): string	string	✓	✓
sleep()	(int $seconds): int	int	✓	✓
system()	(string $command): string	string	✓	✓
usleep()	(int $microseconds): void	void	✓	✓