A fresh mix of code snippets and tutorials

Category Archive: PHP

Posts about PHP

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Cron Notes: Ping External URL with No Output

Working on setting up Cron on ASO server for testing purposes.. just want to ping a URL/file, not save or send any output whatsoever. Here are my notes for future reference.

PHP Sanitize XSS

Here is a simple PHP function I use to prevent XSS attacks. Use it to sanitize any user-input or otherwise unknown variables before use.

PHP Add and Remove Query String Variables

Two quick functions, one for adding a query string variable and another to remove a query string variable. Either of these functions can be used in any PHP script to modify query-string parameters.

PHP Shorten String by Character Count

Quick copy-n-paste function to truncate or shorten a string of text to a specific number of characters. Useful for things like “next” and “previous” navigation links and so forth.

PHP Check if Request is HTTPS

Here we have a simple and effective PHP function that checks whether or not HTTPS (via SSL) is used for the current request.

PHP foreach loop

I am always using this PHP code snippet, which basically loops through an array that may or may not include nested arrays. So to make things easier, I am posting here for quick reference.

PHP Sanitize Form Data

On the Web, Cross-Site Scripting (XSS) is one of the most common types of attacks. Fortunately, there is an easy fix: always filter input data and always escape output data.

Filter pre tags in bbPress

A couple of functions used at htaccessbook.com to enable unescaped/unencoded pre and code tags in bbPress forum posts.

Display a Simple “Tweet This” Link

Twitter changes their API quite a bit, however it is still possible to display a simple “tweet this” link anywhere on your web pages.

WordPress Check PHP Version

When working with the WP API, you may need to check the current version of PHP to ensure compatibility.

PHP Send Bulk Emails from Text File

This post provides a couple of PHP code snippets that enable you to send emails from a text file. Send in plain-text format and plain-text with embedded image.

Simple Ajax Chat Test Script

When testing my plugin, Simple Ajax Chat (SAC), I use the following script to save time testing various chat functionality.