POSIX_SC_ARG_MAX
(int)
The maximum number of bytes the arguments (and environment variables) can have. Available as of PHP 8.3.0.
POSIX_SC_PAGESIZE
(int)
The number of bytes of the current page. Available as of PHP 8.3.0.
POSIX_SC_NPROCESSORS_CONF
(int)
The number of cpus configured system wise. Available as of PHP 8.3.0.
POSIX_SC_NPROCESSORS_ONLN
(int)
The number of cpus currently active system wise. Available as of PHP 8.3.0.
POSIX_SC_CHILD_MAX
(int)
The maximum number of simultaneous processes per user. Available as of PHP 8.4.0.
POSIX_SC_CLK_TCK
(int)
The number of clock ticks per second. Available as of PHP 8.4.0.