posix_sysconf
Returns system runtime information
Description
int posix_sysconf(int $conf_id)
Parameters
-
conf_id
-
Identifier of the variable with the following constants
POSIX_SC_ARG_MAX, POSIX_SC_PAGESIZE
POSIX_SC_NPROCESSORS_CONF, POSIX_SC_NPROCESSORS_ONLN
Return Values
Returns the numeric value related to conf_id
Examples
Example #1 posix_sysconf example
Returns the number of active cpus.
<?php
echo posix_sysconf(POSIX_SC_NPROCESSORS_ONLN);
?>
The above example will output: