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Perishable Press
Category: PHP
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The One-Minute Dofollow WordPress Upgrade

Want to upgrade your blog to official dofollow status but don’t want to install another unnecessary plugin? This article explains how to eliminate nofollow tags from all trackback, pingback, and commentator links in less than one minute.. After finally repenting of my nofollow sins, I began looking for the best way to eliminate the nofollow […] Continue »

Comprehensive Reference for WordPress No-Nofollow/Dofollow Plugins

Recently, while deliberating an optimal method for eliminating nofollow link attributes from Perishable Press, I collected, installed, tested and reviewed every WordPress no-nofollow/dofollow plugin that I could find. In this article, I present a concise, current, and comprehensive reference for WordPress no-nofollow and dofollow plugins. Every attempt has been made to provide accurate, useful, and […] Continue »

Eliminate 404 Errors for PHP Functions

Recently, I discussed the suspicious behavior recently observed by the Yahoo! Slurp crawler. As revealed by the site’s closely watched 404-error logs, Yahoo! had been requesting a series of nonexistent resources. Although a majority of the 404 errors were exclusive to the Slurp crawler, there were several instances of requests that were also coming from […] Continue »

Suspicious Behavior from Yahoo! Slurp Crawler

Most of the time, when I catch scumbags attempting to spam, scrape, leech, or otherwise hack my site, I stitch up a new voodoo doll and let the cursing begin. No, seriously, I just blacklist the idiots. I don’t need their traffic, and so I don’t even blink while slamming the doors in their faces. […] Continue »

Super Loop: Exclude Specific Categories and Display any Number of Posts

Readers occasionally ask for help with their WordPress loops. Usually, these requests involve modifying the loop with some customized functionality. Frequently, such customization involves one of these popular behaviors: Continue »

Temporary Site Redirect for Visitors during Site Updates

In our article Stupid htaccess Tricks, we present the htaccess code required for redirecting visitors temporarily during periods of site maintenance. Although the article provides everything needed to implement the temporary redirect, I think readers would benefit from a more thorough examination of the process — nothing too serious, just enough to get it right. […] Continue »

MySQL Magic: Find and Replace Data

Recently, I needed to find and replace all instances of “http://website” in the wp_comments table of the WordPress database. Fortunately, SQL provides a simple way to find and replace data with its wonderful UPDATE function. General Example Using the SQL UPDATE command is straightforward. Here is the general syntax: UPDATE table_name SET field_name = replace( […] Continue »

Another Mystery Solved..

Recently, after researching comment links for an upcoming article, I realized that my default <input /> values were being submitted as the URL for all comments left without associated website information. During the most recent site redesign, I made the mistake of doing this in comments.php: … <input class=”input” name=”url” id=”url” value=”[website]” onfocus=”this.select();” type=”text” tabindex=”3″ […] Continue »

WP-ShortStat Slowing Down Root Index Pages

For over a year now, I have been using Markus Kämmerer’s (Happy Arts Blog) WP-ShortStat plugin for WordPress. The plugin is relatively well-maintained and remains one of my favorite admin tools. Great for popping in on stats without logging into Mint. Nonetheless, due to its IP/country-detection functionality, WP-ShortStat has experienced its share of difficulties (e.g., […] Continue »

How to Block IP Addresses with PHP

Figuratively speaking, hunting down and killing spammers, scrapers, and other online scum remains one of our favorite pursuits. Once we have determined that a particular IP address is worthy of banishment, we generally invoke the magical powers of htaccess to lock the gates. When htaccess is not available, we may summon the versatile functionality of […] Continue »

Use PHP to Create Symbolic Links without Shell Access

On Unix systems, a symbolic link refers to a file that points to another file or directory. Symbolic links serve as powerful tools for web designers and developers. Using shell access, creating a symbolic link requires only one line of code: ln -s /home/username/public_html/directory1 /home/username/public_html/directory2 Simple enough. Assuming you have access to the linux shell. […] Continue »

Compressed JavaScript Compression

In this article, we extrapolate our favorite CSS-compression technique for JavaScript. Below, we outline the steps required to auto-compress your JavaScript documents via gzip and PHP. Two different compression methods are presented. The first method does not require htaccess, but rather involves the manual editing of JavaScript files. The second method employs htaccess to do […] Continue »

Fast, Effective PHP Compression

PHP compression is an excellent method of conserving bandwidth and reducing client download times. We have already discussed an excellent method for CSS compression, and in this article we share a super-easy technique for compressing all PHP content without editing a single file. Continue »

Go Back via JavaScript and PHP

This quick tutorial explains how to use HTML, JavaScript, and/or PHP to enable visitors to “go back” to the previous page. You can use either method to add a simple “go back” link or form button to your web pages. Continue »

Automatic Language Translation Methods

As you may have noticed, Perishable Press recently added automatic language translation to each of our articles. The free, automatic translations are available as a series of image links (via corresponding country flag icons) next to each article’s individual post view. We have found that providing this free service is important as many of our […] Continue »

Time Test

This post exists entirely for the sake of tweaking time functionality in Apache, PHP, SQL, and WordPress.. Continue »

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