PHP $_SESSION Error - Headers already sent [duplicate] OR White In PHP Server



You can't start a session after you've sent output to the browser.. Put the <html> tag above the <head> tag.
<?php 
require_once ('config/config.php');
require_once ('config/db.php');
require_once ('classes/Login.php');
$login = new Login(); ?>
<html>
<head>

Comments

Post a Comment

Popular posts from this blog

DeltaPi softwares

 http://users.skynet.be/fc296525/ for engineering and web design Free utilities and extensions for Mobirise web builder and chemical engineering freeware for catalyst characterisation.  DeltaPi Code Editor v3 DeltaPi Site Settings v6 DeltaPi MailToForm v2.0 DeltaPi Images Comparison v1.0 DeltaPi Code Prettify v1.0 Catalyst Geometrical Properties Calculator
Read more

How to add watermark various way in HTML and CSS

Image
html{ height: 100%; } body{ position: relative; height: 100%; } @media print { body:before{ content: 'info.sitalmandal@gmail.com'; position: fixed; top: 0; bottom: 0; left: 0; right: 0; z-index: -1; color: #0d745e; font-size: 100px; font-weight: 500px; display: grid; justify-content: center; align-content: center; opacity: 0.2; transform: rotate(-45deg); } }   CONTENTS   [ hide ] The basic method to show a text watermark to an HTML page: How to disable the selection of watermark text by CSS? How to add a background watermark image to an HTML page? How to add watermark text in CSS? How to add text watermark diagonally? How to add text watermark repeated diagonally in CSS HTML? How to show a watermark only when the user print a webpage? The basic method to show a text watermark to an HTML page: In order to add a text watermark top right of a page, we need to add a  div  element with the class name  watermark . So add  <div class=...
Read more

QR Code

https://reeteshghimire.com.np/2020/03/10/generate-qr-code-using-php-library/ According to Wikipedia, QR code (Quick Response Code) is the trademark for a type of matrix barcode (or two-dimensional barcode) first designed in 1994 for the automotive industry in Japan. A barcode is a machine-readable optical label that contains information about the item to which it is attached. In practice, QR codes often contain data for a locator, identifier, or tracker that points to a website or application. A QR code uses four standardized encoding modes (numeric, alphanumeric, byte/binary, and kanji) to store data efficiently; extensions may also be used. Installation Install endroid/qr-code library using composer $ composer require endroid/qr-code GitHub Link Here :  QR Code Generator First Download the library and then create a index.php file with the following code in it: <?php include ( 'vendor/autoload.php' ) ; use Endroid\QrCode\QrCode; $qrCode = new Q...
Read more