Bluehost Knowledge Base
How do I enable the Zend Optimizer on my account?
How do I install Ioncube into a Bluehost hosting account?
Zend Optimizer cannot be found
Error Log receiving this error: PHP Warning: Zend Optimizer for PHP 4.4.x cannot be found (expected at '/usr/local/Zend/lib/Optimizer-2.5.10/php-4.4.x/ZendOptimizer.so') - try reinstalling the Zend Op
Adding Handlers to change your PHP Version
This article will explain how to add a PHP handler to your .htaccess files. This is useful if you want to customize the version of PHP that runs your PHP files.
WordPress Fatal error: Allowed memory size exhausted
Available PHP Memory Exhausted.