Ethereum Php Library

ethereum-php.php

<?php

require "../vendor/autoload.php";
$eth = new \FurqanSiddiqui\Ethereum\Ethereum();
$eth->networkConfig()->setChainId(3);
echo "<pre>";

//// CREATE PRIVATE KEY
$prv = $eth->keyPairs()->privateKeyFromEntropy(hash("sha256", "whocares1"));

//Infura
$proejctId = "2ab0996559544efca0d85f4135b22322";
$projectScope = "fcab5f5e357c410bbfdb82b6c7058598";
$infura = new \FurqanSiddiqui\Ethereum\RPC\InfuraAPI($eth, $proejctId, $projectScope, "ropsten");

$tx = new \FurqanSiddiqui\Ethereum\Transactions\TxBuilder($eth);
$tx->nonce(1);
$tx->gas(new \FurqanSiddiqui\Ethereum\Math\WEIValue(0.000000003));
$tx->to(new \FurqanSiddiqui\Ethereum\Accounts\Account($eth, "0x9cf8dbdb77a83d1f07ad19751dedac11e3812b00"));
$tx->value(new \FurqanSiddiqui\Ethereum\Math\WEIValue(0.5));
$tx->data(123);

$serialize = $tx->serialize();
$signed = $prv->signTransaction($serialize);

var_dump($signed);