PHP code example of flavienbwk / blockchain-php

1. Go to this page and download the library: Download flavienbwk/blockchain-php 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/ */

flavienbwk / blockchain-php example snippets




$Blockchain = new \flavienbwk\BlockchainPHP\Blockchain();
$block = $Blockchain->addBlock("blockchain.dat", "What you want to put in the blockchain");


$block->hasError();     // Returns true or false if there was an error while adding the block.
$block->getMessage();   // Returns the error message.
$block->getHash();      // Returns the hash (SHA256) of the block.
$block->getPrevHash();  // Returns the hash (SHA256) of the block added before this one.
$block->getData();      // Returns the data stored in the block.
$block->getPosition();  // Returns the height/position of the block in the blockchain.
$block->getJson();      // Returns a JSON associative array with all the data of the block.
// ...
// Go to /src/Block.php to see all the getters.


$Blockchain->getBlockByHash("blockchain.dat", "INSERT_THE_BLOCK_HASH_HERE");
$Blockchain->getBlockByPrevHash("blockchain.dat", "INSERT_THE_BLOCK_HASH_HERE");


$Blockchain = new \flavienbwk\BlockchainPHP\Blockchain();

$all = $Blockchain->getBlockchain("blockchain.dat");
var_dump($all);


[  
   {  
      "position":1,
      "header":127,
      "magic":"d5e8a97f",
      "version":1,
      "timestamp":1528658690,
      "prevhash":"0000000000000000000000000000000000000000000000000000000000000000",
      "hash":"ef6ecc71fc1570e7fbebf3d5d24f3d396f71e5588a5a5d930ef6d6118443095d",
      "datalen":15,
      "data":"{\"id\":\"BLABLA\"}"
   },
   {  
      "position":2,
      "header":127,
      "magic":"d5e8a97f",
      "version":1,
      "timestamp":1528658691,
      "prevhash":"ef6ecc71fc1570e7fbebf3d5d24f3d396f71e5588a5a5d930ef6d6118443095d",
      "hash":"cec0f91c9bdca41d3356508f3eaefdeb302b92e111c889d1743350d9e0912710",
      "datalen":15,
      "data":"{\"id\":\"BLABLA\"}"
   },
   {  
      "position":3,
      "header":127,
      "magic":"d5e8a97f",
      "version":1,
      "timestamp":1528658692,
      "prevhash":"cec0f91c9bdca41d3356508f3eaefdeb302b92e111c889d1743350d9e0912710",
      "hash":"555905b331a019bed206b772dd191e6ad2e7cb263e6c9e610222c1afd4c8b0c9",
      "datalen":15,
      "data":"{\"id\":\"BLABLA\"}"
   }
]

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