PHP code example of exayer / vdf-converter

1. Go to this page and download the library: Download exayer/vdf-converter 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/ */

exayer / vdf-converter example snippets


$vdf = '{
    "mercury" {
        "distance" "58"
    }
    "venus" {
        "distance" "108"
    }
    "earth" {
        "distance" "149"
    }
}';




use EXayer\VdfConverter\VdfConverter;

// $vdf declaration

$planets = VdfConverter::fromString($vdf);

$planets = VdfConverter::fromFile('data://text/plain,' . $vdf); // usually filename here

$tempFile = tmpfile();
fwrite($tempFile, $vdf);
fseek($tempFile, 0);
$planets = VdfConverter::fromStream($tempFile);

$planets = VdfConverter::fromIterable([substr($vdf, 0, -60), substr($vdf, -60)]);


foreach ($planets as $name => $data) {
    // #1 iteration: $name === "mercury" $data === ["distance" => "58"]
    // #2 iteration: $name === "venus"   $data === ["distance" => "108"]
    // #3 iteration: $name === "earth"   $data === ["distance" => "149"]
}


$result = iterator_to_array($planets);

//
//  $result = [
//    "mercury" => [
//      "distance" => "58"
//    ]
//    "venus" => [
//      "distance" => "108"
//    ]
//    "earth" => [
//      "distance" => "149"
//    ]
// ]


$vdf = '{
    "mercury" {
        "distance" "58"
        "velocity" "35"
        "distance" "92"
    }
    "mercury" {
        "distance" "108"
    }
    "earth" {
        "distance" "149"
    }
}';

$result = iterator_to_array(VdfConverter::fromString($vdf));

//
//  $result = [
//    "mercury" => [
//      "distance" => "58"
//      "velocity" => "35"
//      "distance__[2]" => "92"
//    ]
//    "mercury__[2]" => [
//      "distance" => "108"
//    ]
//    "earth" => [
//      "distance" => "149"
//    ]
// ]


namespace EXayer\VdfConverter\UniqueKey;

interface Formatter
{
    public function buildKeyName(string $key, int $index): string;
}


$config = VdfConverterConfig::create()
    ->uniqueKeyFormatter(YourCustomFormatter::class);

$iterator = VdfConverter::fromString($vdf, $config);