====System Requirements====

Basic system requirements for installing Wikka:

~-Access to a web server with at least 1Mb of free disk space (a fresh Wikka install takes around 700Kb of disk space)
~- PHP
~--{{until version="1.3" display="inline"}}**[[PHP]] 4.1** or above (including 5.0 if the ##mysql## (not ##mysqli##) extensions are installed)
~--{{since version="1.3" display="inline"}}**[[PHP]] 5.0** or above (note that various deprecated warnings may occur for versions of PHP greater than 5.1)
~--{{since version="1.3.6" display="inline"}}**[[PHP]] 5.4.0** or above. For PHP versions >= 5.0 and < 5.4.0, breadcrumbs must be disabled in ##wikka.config.php##: ##enable_breadcrumbs => '0'##.
~--{{since version="1.4.1" display="inline"}}**[[PHP]] 7.0** or above (tested with 7.2.1).

~- MySQL
~--{{until version="1.3" display="inline"}}**MySQL 3.23** or above (the size of the database depends on your needs)
~--{{since version="1.3" display="inline"}}**MySQL 4.1** or above
~--{{since version="1.4.1" display="inline"}}**MySQL 5.2** or above

Optional:
~-##mod_rewrite## Apache module
~-the ##lostpassword## and the ##feedback## actions depend on PHP being configured to send mails (standard on unix)

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