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Validating and sanitizing URLs, Emails, and other inputs with PHP’s filter_* functions

Validating and sanitizing URLs, Emails, and other inputs with PHP’s filter_* functions

PHP has several built-in filter_* functions that can assist with validating and sanitizing email addresses, URLs, strings, integers, float values, etc.

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Using phpThumb to auto-generate thumbnail images

Using phpThumb to auto-generate thumbnail images

phpThumb() uses the GD library to create thumbnails from images (JPEG, PNG, GIF, BMP, etc) on the fly.

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JavaScript Best Practices by Christian Heilman

JavaScript Best Practices by Christian Heilman

This post contains a presentation of well thought-out JavaScript tips and best practices by Christian Heilmann.

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Communicating through sockets in PHP and Adobe Flex

Communicating through sockets in PHP and Adobe Flex

Creating client server applications can be a pretty daunting task, however it needn’t be so. In this article we will be implementing a quick and easy solution written in PHP and Flex.

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Gaining access to a visitor’s IP Address in PHP

Gaining access to a visitor’s IP Address in PHP

PHP’s HTTP_X_FORWARDED_FOR and REMOTE_ADDR server variables store the IP Addresses of a visitor’s connection and any proxy server it was forwarded through.

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