"minimum-stability": "dev"

composer require sc0vu/web3.php dev-master

"sc0vu/web3.php": "dev-master"

use Web3\Web3;

$web3 = new Web3('http://localhost:8545');

use Web3\Web3;
use Web3\Providers\HttpProvider;
use Web3\RequestManagers\HttpRequestManager;

$web3 = new Web3(new HttpProvider(new HttpRequestManager('http://localhost:8545')));

$web3->clientVersion(function ($err, $version) {
    if ($err !== null) {
        // do something
        return;
    }
    if (isset($client)) {
        echo 'Client version: ' . $version;
    }
});

use Web3\Web3;

$web3 = new Web3('http://localhost:8545');
$eth = $web3->eth;

use Web3\Eth;

$eth = new Eth('http://localhost:8545');

use Web3\Web3;

$web3 = new Web3('http://localhost:8545');
$net = $web3->net;

use Web3\Net;

$net = new Net('http://localhost:8545');

$web3->batch(true);
$web3->clientVersion();
$web3->hash('0x1234');
$web3->execute(function ($err, $data) {
    if ($err !== null) {
        // do something
        // it may throw exception or array of exception depends on error type
        // connection error: throw exception
        // json rpc error: array of exception
        return;
    }
    // do something
});

$eth->batch(true);
$eth->protocolVersion();
$eth->syncing();

$eth->provider->execute(function ($err, $data) {
    if ($err !== null) {
        // do something
        return;
    }
    // do something
});

$net->batch(true);
$net->version();
$net->listening();

$net->provider->execute(function ($err, $data) {
    if ($err !== null) {
        // do something
        return;
    }
    // do something
});

$personal->batch(true);
$personal->listAccounts();
$personal->newAccount('123456');

$personal->provider->execute(function ($err, $data) {
    if ($err !== null) {
        // do something
        return;
    }
    // do something
});

use Web3\Contract;

$contract = new Contract('http://localhost:8545', $abi);

// deploy contract
$contract->bytecode($bytecode)->new($params, $callback);

// call contract function
$contract->at($contractAddress)->call($functionName, $params, $callback);

// change function state
$contract->at($contractAddress)->send($functionName, $params, $callback);