AutoNumber.php

<?php

class AutoNumber{
	protected $prefix;
	protected $lastIndex;
	protected $indexNext;

	public function __construct($data){
			$this->prefix = $data[0];
			$this->lastIndex = $data[1];
			$this->indexNext = $data[2];
	}

	public function make($existing){

		$number = (int) substr($existing, $this->indexNext, $this->lastIndex);

		$newNumber = $number + 1;

		$realLength = ($this->lastIndex - $this->indexNext);

		$formatter = "%0" . $realLength . "s";

		return $this->prefix . sprintf($formatter, $newNumber);
	}
}

A PHP Error was encountered
Severity: Notice

Message: Undefined index: harga_lapangan

Filename: api/Booking.php

Line Number: 27

Backtrace:

File: C:\xampp\htdocs\temp\application\controllers\api\Booking.php
Line: 27
Function: _error_handler

File: C:\xampp\htdocs\temp\application\libraries\REST_Controller.php
Line: 742
Function: call_user_func_array

File: C:\xampp\htdocs\temp\index.php
Line: 315
Function: require_once

A PHP Error was encountered
Severity: Notice

Message: Undefined property: Booking::$AutoNumber

Filename: api/Booking.php

Line Number: 35

Backtrace:

File: C:\xampp\htdocs\temp\application\controllers\api\Booking.php
Line: 35
Function: _error_handler

File: C:\xampp\htdocs\temp\application\libraries\REST_Controller.php
Line: 742
Function: call_user_func_array

File: C:\xampp\htdocs\temp\index.php
Line: 315
Function: require_once

An uncaught Exception was encountered
Type: Error

Message: Call to a member function make() on null

Filename: C:\xampp\htdocs\temp\application\controllers\api\Booking.php

Line Number: 35

Backtrace:

File: C:\xampp\htdocs\temp\application\libraries\REST_Controller.php
Line: 742
Function: call_user_func_array

File: C:\xampp\htdocs\temp\index.php
Line: 315
Function: require_once