1. Web Browser server client 3-Tier Architecture Apache web server PHP
Run as slide show to see animated display.
3-Tier Architecture
Web
server
Browser
client
Browser sends
URL to web server,
requesting a file or
program
Fetches file or runs
server side (php) script
Apache web server
SQL commands sent
- results returned
PHP
script
Server returns results
file and/or program outputs
HTML5
CLI for PHP
and mysql
phpMyAdmin
provides separate
browser-based
interface
CSS
PHP
Browser displays
("renders") resulting page
MySQL
Database
SQL
MySQL
Javascript
Javascript - runs inside browser
jQuery AJAX - allows server connection
HTTP (developer tools)
Refer for example to:
[last accessed 8/31/2011]
We generally consider the browser/client as one of the tiers.
Sometimes the web server box above is thought of as two of the layers [with a web server and scripts the server runs].
See such as
AJAX, jQuery notation
JSON, web services
Full stack development
Integrated development
Command Line Interfaces
(MobaXterm) provides another DB interface
mysql commands -- performance
php CLI -- error reporting
also online meandeviation.com syntax tool