PHP By Example

$input	=	`[ ]`
test		not validated (platform dependant or random result etc.)
$test_output	=	[ 'result' => [ 'array' => [ 'ru_oublock' => 8, 'ru_inblock' => 4312, 'ru_msgsnd' => 0, 'ru_msgrcv' => 0, 'ru_maxrss' => 21308, 'ru_ixrss' => 0, 'ru_idrss' => 0, 'ru_minflt' => 861, 'ru_majflt' => 0, 'ru_nsignals' => 0, 'ru_nvcsw' => 314, 'ru_nivcsw' => 2, 'ru_nswap' => 0, 'ru_utime.tv_usec' => 27486, 'ru_utime.tv_sec' => 0, 'ru_stime.tv_usec' => 0, 'ru_stime.tv_sec' => 0, ], ], 'php_version' => '7.1.33 Linux x86_64', ]

Test of getrusage()