PHP code example of bellows / pvc

1. Go to this page and download the library: Download bellows/pvc 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/ */

bellows / pvc example snippets


# Batch operations of 40

$pipeline = new \Pvc\Pipeline;

$pipeline->collect(40, function($batch) {
	echo "Batch size: ".count($batch)."\n";
});

for ($i = 0; $i < 100; $i++) {
	$pipeline->push($i);
}
$pipeline->flush();

// Batch size: 40
// Batch size: 40
// Batch size: 20


# Branched batches

$pipeline = new \Pvc\Pipeline;
$pipeline
	->branch('switch', function($datum) {
		return $datum['type'];
	})
	// the second argument is always the path this data took
	->collect(30, function($data, $path) {
		echo "For type ".$path['switch'].": ".count($data)." records\n";
	});

$type = 0;
for ($i = 0; $i < 100; $i++) {
	$pipeline->push(['type' => ($type++) % 3, 'id' => $i ]);
};
$pipeline->flush();

// For type 0: 30
// For type 1: 30
// For type 2: 30
// For type 0: 4
// For type 1: 3
// For type 2: 3



$pipeline = new \Pvc\Pipeline;
$pipeline->transform(function($data) use (&$lookupTable) {
	return $lookupTable[$data->getId()];
});



$pipeline = new \Pvc\Pipeline;
$pipeline->filter(function($data) use (&$lookupTable) {
	return $data instanceof GoodData;
});