PHP code example of aldas / rrd-php-reader

1. Go to this page and download the library: Download aldas/rrd-php-reader library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php. 
    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

aldas / rrd-php-reader example snippets


$reader = RrdReader::createFromPath('path/to/my_rrd.rrd');

$fp = fopen('output.csv', 'wb');
$reader->outputAsCsv($fp, [
    'ds' => 'value'
]);
fclose($fp);


$reader = RrdReader::createFromPath('path/to/my_rrd.rrd');

$traversable = $reader->getAll([
    'ds' => 'value',
    'row_filter_callback' => function (int $timestamp, float $value, RrdDs $ds, RraInfo $rra) {
        return $value < 8;
    }
]);

/** @var RrdRowValue $value */
foreach ($traversable as $value) {
    echo $value . PHP_EOL;
}