Article on Lexical Scope: Part 1, Part 2, Part 3.

Getopt::Long manual

Perl Documentation: http://perldoc.perl.org/: open(),   seek(),   localtime()

Flock example

Nov 03: Variables/Arrays/Forms

Nov 08: Multipage Forms

Nov 10: Functions, Files, and Regular Expressions

Nov 03: vars1.php (run),   array1.php (run),   vars2.php (run)

Nov 08: skel.php (run),   power1.php (run),   power2.php (run),   power3.php (run)

Nov 10: func1.php (run),   func2.php (run),   func3.php (run),   func4.php (run),   file1.php (run),   lala.txt

Nov 17: Intro to SQL

Nov 22: MySQL/PHP

Nov 29: SQL overview

Dec 01: Multiplayer Tic-Tac-Toe example

Dec 01: table.php (run),   ttt-login.php (run).

MySQL Documentation: http://dev.mysql.com/doc/