diff --git a/admin/environment.xml b/admin/environment.xml
index ca20d0c6815..78f6671ae1f 100644
--- a/admin/environment.xml
+++ b/admin/environment.xml
@@ -2799,4 +2799,185 @@
</CUSTOM_CHECK>
</CUSTOM_CHECKS>
</MOODLE>
+ <MOODLE version="3.8" requires="3.2">
+ <UNICODE level="required">
+ <FEEDBACK>
+ <ON_ERROR message="unicoderequired" />
+ </FEEDBACK>
+ </UNICODE>
+ <DATABASE level="required">
+ <VENDOR name="mariadb" version="5.5.31" />
+ <VENDOR name="mysql" version="5.6" />
+ <VENDOR name="postgres" version="9.4" />
+ <VENDOR name="mssql" version="11.0" />
+ <VENDOR name="oracle" version="11.2" />
+ </DATABASE>
+ <PHP version="7.1.0" level="required">
+ </PHP>
+ <PCREUNICODE level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="pcreunicodewarning" />
+ </FEEDBACK>
+ </PCREUNICODE>
+ <PHP_EXTENSIONS>
+ <PHP_EXTENSION name="iconv" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="iconvrequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="mbstring" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="mbstringrecommended" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="curl" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="curlrequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="openssl" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="opensslrequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="tokenizer" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="tokenizerrecommended" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="xmlrpc" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="xmlrpcrecommended" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="soap" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="soaprecommended" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="ctype" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="ctyperequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="zip" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="ziprequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="zlib" level="required">
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="gd" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="gdrequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="simplexml" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="simplexmlrequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="spl" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="splrequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="pcre" level="required">
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="dom" level="required">
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="xml" level="required">
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="xmlreader" level="required">
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="intl" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="intlrequired" />
+ </FEEDBACK>
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="json" level="required">
+ </PHP_EXTENSION>
+ <PHP_EXTENSION name="hash" level="required"/>
+ <PHP_EXTENSION name="fileinfo" level="required"/>
+ </PHP_EXTENSIONS>
+ <PHP_SETTINGS>
+ <PHP_SETTING name="memory_limit" value="96M" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="settingmemorylimit" />
+ </FEEDBACK>
+ </PHP_SETTING>
+ <PHP_SETTING name="file_uploads" value="1" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="settingfileuploads" />
+ </FEEDBACK>
+ </PHP_SETTING>
+ <PHP_SETTING name="opcache.enable" value="1" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="opcacherecommended" />
+ </FEEDBACK>
+ </PHP_SETTING>
+ </PHP_SETTINGS>
+ <CUSTOM_CHECKS>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_database_storage_engine" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="unsupporteddbstorageengine" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="question/engine/upgrade/upgradelib.php" function="quiz_attempts_upgraded" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="quizattemptsupgradedmessage" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_slasharguments" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="slashargumentswarning" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_database_tables_row_format" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="unsupporteddbtablerowformat" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_unoconv_version" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="unoconvwarning" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_libcurl_version" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="libcurlwarning" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_mysql_file_format" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="unsupporteddbfileformat" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_mysql_file_per_table" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="unsupporteddbfilepertable" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_mysql_large_prefix" level="required">
+ <FEEDBACK>
+ <ON_ERROR message="unsupporteddblargeprefix" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_is_https" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="ishttpswarning" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_mysql_incomplete_unicode_support" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="incompleteunicodesupport" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ <CUSTOM_CHECK file="lib/upgradelib.php" function="check_sixtyfour_bits" level="optional">
+ <FEEDBACK>
+ <ON_CHECK message="sixtyfourbitswarning" />
+ </FEEDBACK>
+ </CUSTOM_CHECK>
+ </CUSTOM_CHECKS>
+ </MOODLE>
</COMPATIBILITY_MATRIX>