I

Index

[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] [Y] [Z]

hard disk, determining free space
hard links
harmonic mean (data sets)
hashes [See also strings, arrays.]
     constants
     environment variables, storing as
     methods, passing to
     variables
helper functions, defining class-level functions
here-documents
hexdigest method, strings
hook_method
hours
     printing
     seconds, converting to
HTML
     forms, displaying/processing via CGI programming
     IOWA, mixed HTML/component templates
     Wee, defining via
HTTP, cookies
hyphens (-), character classes