2. Web
Internet
Net
Wikipedia
HTML XHTML
World
Wide
Web
http https
FTP IRC
10.4.11 (C)
3. http://google.co.jp
DNS
Web
http://google.co.jp
IP 69.124.23.142
69.124.23.142 /
/ index.html
index.html style.css logo.png
style.css logo.png
Web
10.4.11 (C)
4. PHP
<?php
?>
PHP
index.php
PHP
Web Web
10.4.11 (C)
5. PHP
•
• GET,
POST
• Cookie,
HTTP
referer,
USER
Agent,
IP
Address
•
•
•
• GD,
ImageMagick
• Web Curl
PHP
Web Web
10.4.11 (C)