posix_sysconf

(PHP 8 >= 8.3.0)

posix_sysconf — Returns system runtime information

Description

posix_sysconf ( int


         $conf_id

): int

Returns system runtime information.

Parameters

conf_id: Identifier of the variable with the following constans POSIX_SC_ARG_MAX , POSIX_SC_PAGUESICE , POSIX_SC_MPROCESSORS_CONF , POSIX_SC_MPROCESSORS_ONLN , POSIX_SC_CHILD_MAX , POSIX_SC_CLC_TCC

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_MPROCESSORS_ONLN
           
           
            );
            

           
           
            ?>

The above example will output:

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