phpfiddle/fiddle_021687.php

## fiddle_021687.php
<?php
// Start the session
session_start();
?>

<!DOCTYPE html>
<html>
<head>
	<title></title>
	<link rel="stylesheet" type="text/css" href="lab7.css">
	<link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Inconsolata">
</head>
<body>


	<form id="theForm" method="post" action="">
		<fieldset>
			<legend>Add an Employee</legend>


			<label>First Name</label><br>
			<input type="text" name="firstName" required></inpt><br><br>

			<label>Last Name</label><br>
			<input type="text" name="lastName" required></inpt><br><br>

			<label for="result">Result</label><br>
			<input list="deparments" name="dept" required><br><br>
			<datalist id="deparments">
				<option value="Engineering"/>
				<option value="HR"/>
				<option value="Management"/>
			</datalist>

			<input id="submit" type="submit" value="Submit">
		</fieldset>
	</form>


	<script src="lab7.js"></script>

	<?php


		if ($_SERVER["REQUEST_METHOD"]=="POST"){
			$employee = new \stdClass();
			$employee->firstName = $_POST["firstName"];
			$employee->lastName = $_POST["lastName"];
			$employee->deptarment = $_POST["dept"];
			$date = getdate();
			$employee->date = $date["weekday"]." ".$date["month"]." ".$date["mday"]." ".$date["year"] ;
			$id = rand(0,99999999);


			if(isset($_SESSION["employeeArr"])){
				while (in_array($id,$_SESSION["id"])){
					$id = rand(0,99999999);
				}
				array_push($_SESSION["id"],$id);
				$employee->id = empId($id);
				$myJSON = json_encode($employee);
				array_push($_SESSION["employeeArr"],$myJSON);
			}
			else{
				//array of employee id stored internally for redundancy check
				$_SESSION["id"]=array($id);
				$employee->id = empId($id);
				$myJSON = json_encode($employee);
				$_SESSION["employeeArr"]=array($myJSON);
			}

			/*
			foreach ($_SESSION["employeeArr"] as $a){
				echo $a;
			}
			*/

			echo "<h1>Employee Added</h1>";
			echo "Name: ".$_POST["firstName"],", ".$_POST["lastName"]."<br>";
			echo "Department: ".$_POST["dept"]."<br>";
			echo "Employee ID: ".$employee->id."<br>";
			echo "Hire Date: ".$employee->date."<br>";
			echo "Total Employee: ".count($_SESSION["employeeArr"]);
		}

		function empId($id){
			$idString = (string)$id;
			$strOf0="";
			for ($i=0 ; $i<8-strlen($idString); $i++){
				$strOf0 = "0".$strOf0;
			}
			return $strOf0.$idString;
		}
	?>

</body>
</html>
	<?php
	// Start the session
	session_start();
	?>

	<!DOCTYPE html>
	<html>
	<head>
	<title></title>
	<link rel="stylesheet" type="text/css" href="lab7.css">
	<link rel="stylesheet" type="text/css" href="https://fonts.googleapis.com/css?family=Inconsolata">
	</head>
	<body>


	<form id="theForm" method="post" action="">
	<fieldset>
	<legend>Add an Employee</legend>



	<label>First Name</label><br>
	<input type="text" name="firstName" required></inpt><br><br>

	<label>Last Name</label><br>
	<input type="text" name="lastName" required></inpt><br><br>

	<label for="result">Result</label><br>
	<input list="deparments" name="dept" required><br><br>
	<datalist id="deparments">
	<option value="Engineering"/>
	<option value="HR"/>
	<option value="Management"/>
	</datalist>

	<input id="submit" type="submit" value="Submit">
	</fieldset>
	</form>


	<script src="lab7.js"></script>

	<?php



	if ($_SERVER["REQUEST_METHOD"]=="POST"){
	$employee = new \stdClass();
	$employee->firstName = $_POST["firstName"];
	$employee->lastName = $_POST["lastName"];
	$employee->deptarment = $_POST["dept"];
	$date = getdate();
	$employee->date = $date["weekday"]." ".$date["month"]." ".$date["mday"]." ".$date["year"] ;
	$id = rand(0,99999999);


	if(isset($_SESSION["employeeArr"])){
	while (in_array($id,$_SESSION["id"])){
	$id = rand(0,99999999);
	}
	array_push($_SESSION["id"],$id);
	$employee->id = empId($id);
	$myJSON = json_encode($employee);
	array_push($_SESSION["employeeArr"],$myJSON);
	}
	else{
	//array of employee id stored internally for redundancy check
	$_SESSION["id"]=array($id);
	$employee->id = empId($id);
	$myJSON = json_encode($employee);
	$_SESSION["employeeArr"]=array($myJSON);
	}

	/*
	foreach ($_SESSION["employeeArr"] as $a){
	echo $a;
	}
	*/

	echo "<h1>Employee Added</h1>";
	echo "Name: ".$_POST["firstName"],", ".$_POST["lastName"]."<br>";
	echo "Department: ".$_POST["dept"]."<br>";
	echo "Employee ID: ".$employee->id."<br>";
	echo "Hire Date: ".$employee->date."<br>";
	echo "Total Employee: ".count($_SESSION["employeeArr"]);
	}

	function empId($id){
	$idString = (string)$id;
	$strOf0="";
	for ($i=0 ; $i<8-strlen($idString); $i++){
	$strOf0 = "0".$strOf0;
	}
	return $strOf0.$idString;
	}
	?>

	</body>
	</html>