Full method, for context

create_account.php

public function create_account($vars, $type) {
		$api = ( new \BlockMatrix\EosRpc\ChainFactory )->api();		
		$walapi = ( new \BlockMatrix\EosRpc\WalletFactory )->api();
		$eos = ( new \BlockMatrix\EosRpc\EosRpc( $api, $walapi) );
		
		$walapi->unlock( [self::WALLET_NAME, self::WALLET_PASS] );
		$eos->setWalletInfo( self::WALLET_NAME, self::WALLET_PASS );
		
		switch( $type ) {
			case self::USER_TYPE_ACCOUNT :
				$expiration = DateTime::date_create( DateTime::create( date(DATE_RFC822) )->modify('+60 seconds') )->format('c');
				$expiration = str_replace( '+00:00', '', $expiration );
				$user = User::get_by_id( $vars['user_id'] );
		
				if( !$user->info->eos_active_public_key ) {
					$this->create_keys( $user, self::USER_TYPE_ACCOUNT );
				}
		
				$account_n = $this->unique_string( $user->username );
				$user->info->eos_account_name = $account_n;
		
				$owner_public_key = $user->info->eos_owner_public_key;
				$active_public_key = $user->info->eos_active_public_key;
				
				$args = [
					[
						'account'		=>	'eosio',
						'name'			=>	'newaccount',
						'authorization'	=>	[['actor' => 'eosio', 'permission' => 'active']],
						'data'			=>	[
							'creator'	=>	'eosio',
							'name'		=>	$account_n,
							'owner'		=>	[
								'threshold'	=>	1,
								'keys'		=>	[['key' => $owner_public_key, 'weight'=> 1]],
								'accounts'	=>	[],
								'waits'		=>	[]
							], 
							'active'	=>	[
								'threshold'	=>	1,
								'keys'		=>	[['key' => $active_public_key, 'weight' => 1]],
								'accounts'	=>	[],
								'waits'	=>	[]
							]
						]
					],
					[
						'account'	=>	'eosio',
						'name'		=>	'buyrambytes',
						'authorization' => [['actor' => 'eosio', 'permission' => 'active']],
						'data'		=> [
							'payer'		=>	'eosio',
							'receiver'	=>	$account_n,
							'bytes'		=>	8192,
						],
					]
				];
				
				echo $eos->pushTransaction(	$args, false );
				exit();
				
				$transaction_type = self::TRANSACTION_TYPE_USER_ACCOUNT_CREATE;
			break;
			case self::COMPANY_TYPE_ACCOUNT :			
				$transaction_type = self::TRANSACTION_TYPE_COMPANY_ACCOUNT_CREATE;
			break;
		}
		
		$this->record_transaction( $eos_account, $transaction_type );
	}