(PHP 4, PHP 5)
getrusage — Gets the current resource usages
$who = 0
  ] )This is an interface to getrusage(2). It gets data returned from the system call.
who
       If who is 1, getrusage will be called with
       RUSAGE_CHILDREN.
      
Returns an associative array containing the data returned from the system call. All entries are accessible by using their documented field names.
Example #1 getrusage() example
<?php
$dat = getrusage();
echo $dat["ru_nswap"];         // number of swaps
echo $dat["ru_majflt"];        // number of page faults
echo $dat["ru_utime.tv_sec"];  // user time used (seconds)
echo $dat["ru_utime.tv_usec"]; // user time used (microseconds)
?>
Note: This function is not implemented on Windows platforms.