create-item-v1.php

<?php
$location_id = 'location_id';
$api_instance = new SquareConnect\Api\V1ItemsApi();
$body = array(
    'name'=>'Pots',
    'description'=> 'Containers for gardening',
    'variations'=> array(
      array(
        'name'=>'Large',
        'price_money'=>array(
          'amount'=>600,
          'currency_code'=>'USD'
        )
      ),
      array(
        'name'=>'Small',
        'price_money'=>array(
          'amount'=>300,
          'currency_code'=>'USD'
        )
      )
    )
  );
$result = $api_instance->createItem($location_id, $body);