PHP code example of arcgen / myeth-php

1. Go to this page and download the library: Download arcgen/myeth-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/ */

arcgen / myeth-php example snippets



use MYETH\MyEth;

$message = "Hello, world!";
$privateKey = ''; // without 0x (remove 0x before passing private key)

$signedMessage = MyEth::signMessage($message, $privateKey);

echo json_encode($signedMessage);



use MYETH\MyEth;

$transactionEncodedJson = '{"nonce":0,"gasPrice":1000000000,"gas":21000,"to":"0x4bbeEB066eD09B7AEd07bF39EEe0460DFa261520","value":1000000000000000000,"data":""}';
$privateKey = ''; // without 0x (remove 0x before passing private key)

$signedTransaction = MyEth::signTransaction($transactionEncodedJson, $privateKey);

echo $signedTransaction;


use MYETH\MyEth;

$transactionEncodedJson = '{"nonce":0,"gasPrice":1000000000,"gas":21000,"to":"0x4bbeEB066eD09B7AEd07bF39EEe0460DFa261520","value":1000000000000000000,"data":""}';
$privateKey = ''; // without 0x (remove 0x before passing private key)
$web3Provider = 'https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID';

// Invoke the signAndSendTransaction method
$response = MyEth::signAndSendTransaction($transactionEncodedJson, $privateKey, $web3Provider);

echo $response;



use MYETH\MyEth;

$message = "Hello, world!";
$privateKey = ''; // without 0x (remove 0x before passing private key)
$chainID = '80001' // Polygon matic

$signedMessage = MyEth::signMessage($message, $privateKey, $chainID);

echo json_encode($signedMessage);



use MYETH\MyEth;

$transactionEncodedJson = '{"nonce":0,"gasPrice":1000000000,"gas":21000,"to":"0x4bbeEB066eD09B7AEd07bF39EEe0460DFa261520","value":1000000000000000000,"data":""}';
$privateKey = ''; // without 0x (remove 0x before passing private key)
$web3Provider = 'https://mainnet.infura.io/v3/YOUR_INFURA_PROJECT_ID';

try {
    $response = MyEth::signAndSendTransaction($transactionEncodedJson, $privateKey, $web3Provider);
    echo $response;
} catch (\Exception $e) {
            $this->fail("Exception thrown: " . $e->getMessage());
}

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