This is documentation for Kohana v2.3.x.
	
		| Status | Draft | 
	
	
		| Todo | Proof read | 
	
Kohana will run in almost any environment with minimal configuration. There are a few minimum server requirements:
- 
 
- 
 
 An 
HTTP server. Kohana is known to work with: Apache 1.3+, Apache 2.0+, lighttpd, and 
MS IIS 
 
Optionally, if you wish to use a database with Kohana, you will need a database server. There are database drivers for MySQL and PostgreSQL, with additional drivers planned.
 
 PCRE must be compiled with 
–enable-utf8 and 
–enable-unicode-properties for UTF-8 functions to work properly.
 
 
 iconv is required for UTF-8 transliteration.
 
 
 mcrypt is required for encryption.
 
 
 SPL is required for several core libraries. 
1) 
 
 
 mbstring will dramatically speed up Kohana's UTF-8 functions. However, note that the mbstring extension must not be overloading 
PHP's native string functions!