How do I activate the eaccelerator in XAMPP? Open the "php.ini" file in the directory \xampp\apache\bin\php.ini. Here activate the following lines by removing the semicolon in each line in the [eAccelerator] section: extension=eaccelerator.dll eaccelerator.shm_size = "0" eaccelerator.cache_dir = "\xampp\tmp" eaccelerator.enable = "1" eaccelerator.optimizer = "1" After that, ...