system_requirements.rst

.. index::
    single: Requirements

System Requirements

• Operating System

  • Linux x86, x86-64
  • Windows 7 and 8
  • Mac OS X 10.9 and above

• Browsers

  • Mozilla Firefox 6 and above
  • Google Chrome 31 and above
  • Microsoft Internet Explorer 10 and above
  • Safari
  • Opera 12.16 and above

• Web Servers

  • Apache 2.2.x
  • Nginx
  • Lighttpd

• Database Management Systems

  • MySQL 5.1 and above
  • PostgreSQL/EnterpriseDB 9.1 and above

• PHP 5.4.9 and above (5.4.11+ is recommended)
• PHP Command Line Interface

• PHP extensions

  • ctype
  • fileinfo
  • GD 2.0 and above
  • intl
  • JSON
  • Mcrypt
  • PCRE 8.0 and above
  • SimpleXML
  • Tokenizer

• PHP settings

  • date.timezone must be set
  • detect_unicode must be disabled in php.ini
  • memory_limit should be at least 512M
  • xdebug.scream must be disabled in php.ini
  • xdebug.show_exception_trace must be disabled in php.ini

• Other requirements

  • ICU library 4.4 and above
  • mcrypt_encrypt() should be available
  • web/bundles/ directory must be writable
  • web/uploads/ directory must be writable

Optional recommendations

• Node.js (for JS minification)
• PHP-XML module installed
• xdebug.max_nesting_level above 100 in php.ini
• iconv() available ◦mb_strlen() available
• posix_isatty() available
• utf8_decode() available