use \myoutdeskllc\SalesforcePhp\SalesforceApi;
use \myoutdeskllc\SalesforcePhp\OAuth\OAuthConfiguration;

$salesforceApi = new SalesforceApi('https://MY_INSTANCE.my.salesforce.com');

$sfOauthConfiguration = OAuthConfiguration::create(
    'client_id' => 'YOUR_CLIENT_ID',
    'secret' => 'YOUR_SECRET',
    'redirect_uri' => 'YOUR_REDIRECT_URI'
);

[$url, $state] = array_values($salesforceApi->startOAuthLogin($oauthConfig));
// store the state yourself in the users session and redirect to $url
// once the user is redirected back to your application, you can get the access token
$authenticator = $salesforceApi->completeOAuthLogin($oauthConfig, $code, $state);
// store this in an encrypted field in your database
$serialized = $authenticator->serialize();

$salesforceApi = new \myoutdeskllc\SalesforcePhp\SalesforceApi('https://MY_INSTANCE.my.salesforce.com');
// this call will return an access_token for you to cache in your own database for a time
$salesforceApi->login('username', 'password', 'consumer_key', 'consumer_secret');
// if you have an access token that is still valid, you can restore it
// I recommend caching this for at least 5 minutes, so you don't bombard salesforce with password requests
// if you new up a new instance of the API, you can restore the access token from previous authentications
$salesforceApi->restoreAccessToken('access_token');

$salesforceApi->createRecord('My_Custom_Object__c', [
    'Field__c' => 'Value',
    'Other_Field__c' => 'Other Value'
]);
// or
$salesforceApi->createRecords('My_Custom_Object__c', [
    [
        'Field__c' => 'Value',
        'Other_Field__c' => 'Other Value'
    ],
    [
        'Field__c' => 'Value',
        'Other_Field__c' => 'Other Value'
    ]
]);

$salesforceApi->getRecord('My_Custom_Object__c', 'ACCOUNT_ID', ['Field__c', 'Other_Field__c']);

$salesforceApi->getRecords('My_Custom_Object__c', ['id1','id2','id3'], ['Field__c', 'Other_Field__c']);

$salesforceApi->updateRecord('My_Custom_Object__c', 'ACCOUNT_ID', [
    'Field__c' => 'Value',
    'Other_Field__c' => 'Other Value'
]);
// or
$salesforceApi->updateRecords('My_Custom_Object__c', [
    [
        'Id' => 'ACCOUNT_ID',
        'Field__c' => 'Value',
        'Other_Field__c' => 'Other Value'
    ],
    [
        'Id' => 'ACCOUNT_ID',
        'Field__c' => 'Value',
        'Other_Field__c' => 'Other Value'
    ]
]);

$salesforceApi->deleteRecord('My_Custom_Object__c', 'ACCOUNT_ID');
// or using composite api
$salesforceApi->deleteRecords(['id1','id2','id3']);

$salesforceApi->searchIn('Account Name', 'Account');
// iterate over the returned results
foreach($results['searchRecords'] as $record) {
    // do something with the record
}

$salesforceApi->searchIn('Company, LLC', 'Account', ['Name', 'Company']);
// iterate over the returned results
foreach($results['searchRecords'] as $record) {
    // do something with the record
}

$api->search('Hint inside records somewhere');
foreach($results['searchRecords'] as $record) {
    // do something with the record
}

$standardObjectApi = $salesforceApi->getStandardObjectApi();
$standardObjectApi->createLead($myLeadData);
$standardObjectApi->getLead($leadId, ['Id', 'Name']);
$standardObjectApi->getLeads(['id1','id2','id3'], ['Id', 'Name']);

// make sure you have a new api first to pass in
$salesforceJob = new SalesforceJob($api->getBulkApi());
$salesforceJob->setObject('My_Object__c');
$salesforceJob->setOperation(BulkApiOptions::INSERT);
$salesforceJob->initJob();
$salesforeJob->getJobId();
// prints a job id
$salesforceJob->setCsvFile('path/to/file.csv');
// this will set a CSV file stream for you, otherwise, set up a file yourself with fopen
$salesforceJob->setFileStream(fopen('path/to/file.csv', 'r'));
// or, just set up records directly as an array
$salesforceJob->setRecords([
    [
        'Field__c' => 'Value',
        'Other_Field__c' => 'Other Value'
    ],
    [
        'Field__c' => 'Value',
        'Other_Field__c' => 'Other Value'
    ]
]);
// don't forget to "close" the job to lock it for salesforce so it begins processing
$salesforceJob->closeJob();
// then later, you can check the status
$salesforceJob = SalesforceJob::getExistingJobById($jobId, $api->getBulkApi());
$salesforceJob->refreshStatus();
// check the state to see if its done
$salesforceJob->getState();
// returns 'JobComplete' if its finished
// then, of course, you need to know what actually was returned
// Row 1 is headers, so you'll want to skip that
$salesforceJob->getSuccessfulResultsAsArray();

$builder = SalesforceApi::getQueryBuilder();

$builder
    ->select(['Id', 'Name', 'created_at'])
    ->from('Account')
    ->where('Name', '=', 'Test')
    ->limit(20)
    ->orderBy('created_at', 'DESC')
    ->toSoql();