Guidelines for posting a PHP snippet

Retrieve and output certain files within a directory

Validating an e-mail address

Recursive Directory Listing (Show full directory structure)

[PHP5] Filters

Sorting an multidimensional array

Dotting function

Dynamic Image Resizing

Replace url variable / add variable function.

Build Querystring from an array in PHP4 and 5

Filename & File extension from Path

GD - Overlay Watermark

Random Array Key

FUNCTION: text2image()

Sharpening Images (PHP 5.1; No Bump)

Hit Counting

FUNCTIONS: Basic BBCode

Cookies

BBcode with Regular Expressions

FUNCTIONS: Dynamic URL Linking with Hit Counter

GD Image Validation [CAPTCHA]

Simple form builder/validator.

Word of the Day

FUNCTION: TrimByWords()

FUNCTION(S): Chat Actions

FUNCTION: Browser Name/Version detection

Simple error manager

Benchmarking: race two functions

pagination class

Random GD Image in Directory

Simple AJAX/PHP Example

Random Token

FUNCTION: Hit/Log Tracker with Browser Lookup ( browser() )

Neat MySQL query function.

URL Implode

FUNCTION: Validate Form Submissions

basic site spider

PostGres Sessions Class

Session class.

mysql query results iterator

Automatic $_POST Variable Escaping

Modular DOMDocument template engine

Regex || regular expressions (postem here)

Check file permissions

Geometry.

Basic Table Class

Substitution for .htaccess password

file upload class

Color gradient function

Credit Card Class