WTF!? preg_replace() returns null?
Friday, January 25th, 2008On one of our sites were were running into a problem when we tried to pass HTML content from a database through an email obfuscation function to prevent spiders from scraping our clients’ emails. We quickly discovered that some of the longer pages were showing up completely blank. The preg_replace() function we were using to run the obfuscation code on email addresses was returning null. After some hunting I found the answer.
