webAdministracion/processes/old_code3/insertCategory.php

<?php

	require_once 'config.php';
	require_once 'dbh.inc.php';
	require_once 'checkLogin.php';

	// IF USER ENTERS PAGE AFTER 'Save' BUTTON HAS BEEN PRESSED (FROM categories.php), INSERT CATEGORY TO DATABASE
	// ELSE (IF USER ENTERED THIS PAGE WITHOUT SUBMITING A FORM) REDIRECT TO categories.php
	if(isset($_POST['insertCategory'])) {
		$categoria = mysqli_real_escape_string($connection, $_POST['categoria']);
		$query = "INSERT INTO `category` (categoria) VALUES ('".$categoria."');";
		if(!mysqli_query($connection, $query)) die("Error: ".mysqli_error($connection));
	}
	
	header('Location: ../categories.php');
	exit();