This is an old revision of the document!
PHP
Unlike Apache's mod_php, which embeds the PHP engine inside web server processes, LiteSpeed Web Server talks to standalone PHP engine processes via LSAPI interface. Unless you are using control panel PHP or CloudLinux PHP, You will need to
- Unordered List Iteminstall PHP either through RPM/APT packages from repository as recommended way or compiling from Source code
If you use any control panel such as cPanel, Plesk or DirectAdmin , you should refer to corresponding section for difference environment:cPanel PHP, Plesk PHP, DirectAdmin PHP. If you are using CloudLinux, PHP selector is recommended way to setup PHP.
PHP Installation
| Configure PHP for LSWS Overview | LSPHP Setup Overview |
Setup PHP when using Control Panels or Cloud Linux
Please refer to coresponding section of cPanel PHP setup, Plesk PHP setup, DirectDdmin PHP setup and CloudLinux PHP Selector.
Install PHP through LiteSpeed repositories
| Installing LSPHP via RPM | The fastest way to get PHP for CentOS |
| Installing LSPHP via APT | The fastest way to get PHP for Debian/Ubuntu |
PHP Mode
| suEXEC or non-suEXEC | Guide to figure out which PHP setup you are using |
Install PHP PECL Extensions
| How to install pecl extention for LSPHP | How to check availability of lsphp pecl extention or build by yourself? |
PHP Opcode Cache
| Opcode Caching Overview | An introduction to opcode caching, its limitations, and popular opcode caches |
| Enable opcode cache | How to enable PHP opcode cache for litespeed? |
PHP 7
| PHP 7 Installation | How to install PHP 7 on LSWS. |
PHP Troubleshooting
| PHP Execution Errors | Basic steps to troubleshoot PHP-related issues in LSWS. |
| PHP 503 Errors | Basic steps to troubleshoot PHP-503-related issues in LSWS. |
Multiple-versions PHP Setup
| Running multiple PHP versions in LiteSpeed + Control Panel | How to run multiple PHP versions in LiteSpeed with a control panel |
| Configuring cPanel + EasyApache 4 with LiteSpeed | Configuring LiteSpeed Web Server to work with cPanel + EasyApache 4 |
Performance tips
| My site running slow, how to make it faster? | How to improve my site performance? |
| My server load is high, how to resolve it? | How to resolve my server load issue? |
| Controlling PHP Concurrency | How to control how many connections your PHP engine can serve at once |
| Understand LSWS "PHP suEXEC Max Conn" and Cloudlinux LVE | LSWS “PHP suEXEC Max Conn” should be always less than CL LVE EP |
Configuration Tips
| LSPHP Command Line Mode | Good for service scalability. |
| LSAPI Environment Variables | Further configure LSAPI setups using directives and environment variables. |
| MySQL Persistent Connections | Performance tip: avoid php/mysql persistent connections. |
| Disable PHP timeouts | Make LSWS compatible with long-running processes |
| Generate Source Code | Use LSAPI to generate source code for viewing with a browser |
| Environment Variables for PHP FCGI Applications? | Supported environment variables for non-LSAPI applications |
| Enabling Per-User php.ini Files | Four methods for enabling per-user php.ini when |
| PHP Max Wait Queue Limit | Preventing the PHP wait queue from getting too long |
| Disable 3rd party modules for specific accounts | How to disable a 3rd party module for a specific account |
| Control PHP max idle time | How to control PHP max idle time |
| Increase PHP Memory Limit | How to increase PHP Memory Limit |
| How to use .user.ini with lsphp? | Make .user.ini work with lsphp |
Add-Ons/Extensions
| PHP + Oracle | How to connect to Oracle with PHP + LSAPI |
| PHP5 + Suhosin Patch and Extension (FreeBSD 6.2) | How to build a Litespeed PHP5 LSAPI With Suhosin Patch and Extension on FreeBSD 6.2 |
| PHP Upload Progress Bar | How to setup upload progress bar for PHP |
| New Relic Installation Guide | How to get New Relic to work with LSWS |
Archive Only
| Compile PHP for LSWS(Archive Only) | Compiling PHP with LSAPI through the WebAdmin console |
| PHP Compilation Errors(Archive Only) | A troubleshooting guide for compiling and installing a custom PHP with LSAPI |
| PHP LSAPI Ubuntu Package(Archive Only) | How to create a .deb package with PHP + LSAPI for Ubuntu Dapper Drake and Edgy Eft |