diff --git a/build/code_sniffer/ruleset-minimum.xml b/build/code_sniffer/ruleset-minimum.xml
new file mode 100644
index 0000000000..2de1fb4be4
--- /dev/null
+++ b/build/code_sniffer/ruleset-minimum.xml
@@ -0,0 +1,12 @@
+<?xml version="1.0"?>
+<ruleset name="phpBB Minimum Standard">
+
+ <description>phpBB minimum coding standard</description>
+
+ <!-- All code files MUST use only UTF-8 without BOM. -->
+ <rule ref="Generic.Files.ByteOrderMark" />
+
+ <!-- All code files MUST use the Unix LF (linefeed) line ending. -->
+ <rule ref="Generic.Files.LineEndings" />
+
+</ruleset>
diff --git a/build/code_sniffer/ruleset-php-legacy.xml b/build/code_sniffer/ruleset-php-legacy.xml
new file mode 100644
index 0000000000..ebc85c4fef
--- /dev/null
+++ b/build/code_sniffer/ruleset-php-legacy.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<ruleset name="phpBB PHP Legacy Standard">
+
+ <description>phpBB legacy coding standard for PHP files</description>
+
+ <rule ref="./ruleset-minimum.xml" />
+
+ <!-- The body of each structure MUST be enclosed by braces. -->
+ <rule ref="Generic.ControlStructures.InlineControlStructure" />
+ 
+ <!-- All PHP files MUST end with a single blank line. -->
+ 
+ <!-- Class constants MUST be declared in all upper case with underscore separators. -->
+ <rule ref="Generic.NamingConventions.UpperCaseConstantName" />
+
+ <!-- Only <?php, no short tags. -->
+ <rule ref="Generic.PHP.DisallowShortOpenTag.EchoFound" />
+
+ <!-- Method arguments with default values MUST go at the end of the argument list. -->
+ <rule ref="PEAR.Functions.ValidDefaultValue" />
+
+ <!-- The ?> closing tag MUST be omitted from files containing only PHP. -->
+ <rule ref="Zend.Files.ClosingTag" />
+
+</ruleset>
diff --git a/build/code_sniffer/ruleset-php-strict.xml b/build/code_sniffer/ruleset-php-strict.xml
new file mode 100644
index 0000000000..8580090c69
--- /dev/null
+++ b/build/code_sniffer/ruleset-php-strict.xml
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<ruleset name="phpBB PHP Strict Standard">
+
+ <description>phpBB coding standard for PHP files</description>
+
+ <rule ref="./ruleset-php-legacy.xml" />
+
+ <!-- There SHOULD NOT be more than 80 characters per line
+      There MUST NOT be more than 120 characters per line -->
+ <!--
+ <rule ref="Generic.Files.LineLength">
+  <properties>
+   <property name="lineLimit" value="80"/>
+   <property name="absoluteLineLimit" value="120"/>
+  </properties>
+ </rule>
+ -->
+
+ <!-- The PHP constants true, false, and null MUST be in lower case. -->
+ <rule ref="Generic.PHP.LowerCaseConstant" />
+
+ <!-- PHP keywords MUST be in lower case. -->
+ <rule ref="Generic.PHP.LowerCaseKeyword" />
+
+ <!-- There MUST NOT be trailing whitespace at the end of lines. -->
+ <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace" />
+ 
+ <!-- There MUST NOT be whitespace before the first content of a file -->
+ <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace.StartFile" />
+
+ <!-- There MUST NOT be whitespace after the last content of a file -->
+ <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace.EndFile" />
+ 
+ <!-- Functions MUST NOT contain multiple empty lines in a row -->
+ <rule ref="Squiz.WhiteSpace.SuperfluousWhitespace.EmptyLines" />
+
+ <!-- When present, all use declarations MUST go after the namespace declaration.
+      There MUST be one use keyword per declaration.
+      There MUST be one blank line after the use block. -->
+ <rule ref="PSR2.Namespaces.UseDeclaration" />
+
+</ruleset>