<?php
/**
 * Represents an array of positive numbers
 *
 */
class PositiveNumericArray {


	//Add a private member variable here
	private $inputs;
	private $sum;
	/*
	 * Creates an instance of the PositiveNumericArray class
	 *
	 * @param  array of integers
	 */
	public function __construct(array $inputs) {
	$this->inputs = $inputs;
	}

	/**
	 * getSum() returns the numeric sum of the input array elements
	 * example the input array(3,2,1) should return 6 (3+2+1)
	 *
	 * @return integer total numeric content of the array
	 */
	function getSum() : int {
		if($this->inputs != null){
		foreach ($this->inputs as $key => $value) {
		$this->sum = $this->sum + $value;
		}

		return $this->sum; //add code here to calculate the sum
		}else{
		return 0;
		}
	}

	/**
	 * getSmallest() returns the lowest numeric item of the input array elements
	 * example the input array(3,2,1) should return 1
	 *
	 * Note that for empty arrays the method is allowed to return any integer,
	 * this will be solved in the next assignment
	 *
	 * @return integer lowest item of the array
	 */
	function getSmallest() : int {

		if(count($this->inputs) > 0){
		$temp = 0;
		for($i = 0; $i < count($this->inputs); $i++){
			for($y = $i+1; $y < count($this->inputs); $y++){

				if($this->inputs[$i] > $this->inputs[$y]){
					$this->temp = $this->inputs[$i];
					$this->inputs[$i] = $this->inputs[$y];
					$this->inputs[$y] = $this->temp;
				}
		}
		}
		return $this->inputs[0];

		}else{
		return 0;
		}

	}

}