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# Database Abstraction Layer

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v5:performance:cpuload

# cpuLoad

##### Syntax

    mixed cpuLoad ()

## Description

The function `cpuLoad()` returns an array of CPU loads under windows, a single integer value under unix, or false if the information is not available.

## Windows

After PHP version 5.4, the Windows PHP extension for COM objects is not enabled by default. To enable it, add

    extension=php_com_dotnet.dll

to php.ini. If not available, the error `class COM not installed` will be issued. The function returns a 4 element array, the first element represents total CPU usage.

### Usage

    $perf = newPerfMonitor($db);
    $c =  $perf->cpuLoad();

    print_r($c);
    /*
     * Returns
    Array (
      [0] => 30
      [1] => 0
      [2] => 0
      [3] => 0
    )
    */

## Unix

The function returns a single value, that represent total CPU usage.

### Usage

    $perf = newPerfMonitor($db);
    $c =  $perf->cpuLoad();

    print $c;
    /*
     * Returns  30
     */

v5/performance/cpuload.txt · Last modified: 2016/01/12 17:14 by mnewnham

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