requirements.md

Server Requirements

::: tip You can use the Craft Server Check script to quickly find out if your server meet’s Craft’s requirements. :::

Craft requires the following:

• PHP 7.0+
• MySQL 5.5+ with InnoDB, MariaDB 5.5+, or PostgreSQL 9.5+
• At least 256MB of memory allocated to PHP
• At least 200MB of free disk space

Required PHP Extensions

Craft requires the following PHP extensions:

• ctype
• cURL
• GD or ImageMagick. ImageMagick is preferred.
• iconv
• JSON
• Multibyte String
• OpenSSL
• PCRE
• PDO MySQL Driver or PDO PostgreSQL Driver
• PDO
• Reflection
• SPL
• Zip
• DOM

Optional PHP Extensions

• Intl – Adds rich internationalization support.

Optional PHP Methods and Configurations

Some shared hosting environments will disable certain common PHP methods and configurations that affect Craft features.

• allow_url_fopen must be enabled for updating and installing plugins from the Plugin Store.
• proc_* methods must be enabled in order to utilize the Plugin Store and send emails.
• ignore_user_abort must be enabled for the default, web-based queue runner to operate.

Optional Extras

• Composer 1.30+ - When installing Craft with Composer

Required Database User Privileges

The database user you tell Craft to connect with must have the following privileges:

MySQL/MariaDB

• SELECT
• INSERT
• DELETE
• UPDATE
• CREATE
• ALTER
• INDEX
• DROP
• REFERENCES
• LOCK TABLES

PostgreSQL

• SELECT
• INSERT
• UPDATE
• CREATE
• DELETE
• REFERENCES
• CONNECT

Control Panel Browser Requirements

Craft’s control panel requires a modern browser:

Windows and macOS

• Chrome 29 or later
• Firefox 28 or later
• Safari 9.0 or later
• Microsoft Edge

Mobile

• iOS: Safari 9.1 or later
• Android: Chrome 4.4 or later

::: tip Craft’s control panel browser requirements have nothing to do with your actual website. If you’re a glutton for punishment and want your website to look flawless on IE 6, that’s your choice. :::