In the provided PHP code, what is the purpose of the "persnr" variable and how can it be passed along after selecting an employee?

The "persnr" variable in the provided PHP code is likely used to store the selected employee's identification number. To pass this variable along after selecting an employee, it can be stored in a session variable or included in the form submission as a hidden input field. This way, the "persnr" value can be accessed on subsequent pages or when the form is submitted. 

<?php
session_start();

// Code to select an employee and store their identification number in the "persnr" variable
$selectedEmployeePersnr = 12345; // Example ID, replace with actual value

// Storing the "persnr" variable in a session variable
$_SESSION['persnr'] = $selectedEmployeePersnr;

// Redirect to another page or continue with further processing
header("Location: next_page.php");
exit;
?>

Keywords

PHP variable passing employee selection

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