posix_times

(PHP 4, PHP 5, PHP 7, PHP 8)

posix_times — Get process times

说明

posix_times(): array|false

Gets information about the current CPU usage.

参数

此函数没有参数。

返回值

Returns a hash of strings with information about the current process CPU usage. The indices of the hash are:

  • ticks - the number of clock ticks that have elapsed since reboot.
  • utime - user time used by the current process.
  • stime - system time used by the current process.
  • cutime - user time used by current process and children.
  • cstime - system time used by current process and children.
The function returns false on failure.

范例

示例 #1 Example use of posix_times()

<?php

$times = posix_times();

print_r($times);
?>

以上例程的输出类似于：

Array
(
    [ticks] => 25814410
    [utime] => 1
    [stime] => 1
    [cutime] => 0
    [cstime] => 0
)

注释

警告

This function isn't reliable to use, it may return negative values for high times.