Environment

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Location: Administration > Server > Environment

The environment page enables you to check that your site meets all system requirements for your current and future versions of Moodle. It is important to check system requirements prior to upgrading.

Moodle version 1.5.3

• MySQL version - 3.23 or later is required
• PHP version - 4.1.0 or later is required
• The php_extension mbstring is recommended to be installed/enabled

Moodle version 1.6

• MySQL version 4.1.12 or later for sites that are exclusively Latin-1, 4.1.16 if you have other languages, or PostgreSQL 7.4.x or later
• PHP version 4.3.0 or later is required (but don't use versions 5.0.0 to 5.0.6 which were buggy)
• The php_extension iconv is recommended to be installed/enabled
• The php_extension mbstring is recommended to be installed/enabled

Moodle version 1.8

• MySQL version 4.1.16 or later is required, or PostgreSQL 7.4.x or later
• PHP version 4.3.0 or later is required (but don't use versions 5.0.0 to 5.0.6 which were buggy)
• Unicode is required
• The php_extension curl is recommended to be installed/enabled
• The php_extension iconv is recommended to be installed/enabled
• The php_extension mbstring is recommended to be installed/enabled
• The php_extension openssl is recommended to be installed/enabled
• The php_extension tokenizer is recommended to be installed/enabled
• The php_extension xmlrpc is recommended to be installed/enabled
• The php_extension ctype is recommended to be installed/enabled

Moodle version 1.9

• MySQL version 4.1.16 or later is required, or PostgreSQL 8.0 or later

Moodle version 2.0

• PHP version 5.2.8 or later is required