MAGETWO-84354: Copy EQP sniffs to Magento 2 Core repo

Author: lenaorobei

dev/tests/static/framework/Magento/Sniffs/LanguageConstructs/GotoSniff.php

@@ -10,6 +10,11 @@
 
 /**
  * Detects GOTO usage.
+ *
+ * Example:
+ * goto end;
+ * end:
+ * 'The End';
  */
 class GotoSniff implements Sniff
 {

dev/tests/static/framework/Magento/Sniffs/LanguageConstructs/LanguageConstructsSniff.php

@@ -9,7 +9,13 @@
 use PHP_CodeSniffer\Files\File;
 
 /**
- * Detects possible usage of discouraged language constructs.
+ * Detects possible usage of discouraged language constructs. Is not applicable to *.phtml files.
+ *
+ * Examples:
+ * echo 'echo text';
+ * print('print text');
+ * $ = `back quotes`;
+ * exit(1);
  */
 class LanguageConstructsSniff implements Sniff
 {

dev/tests/static/framework/Magento/Sniffs/Security/ExecutableRegExSniff.php

@@ -11,6 +11,8 @@
 
 /**
  * Detects executable regular expressions.
+ *
+ * Example: echo preg_replace('|^(.*)$|ei', '"\1"', 'get_input');
  */
 class ExecutableRegExSniff implements Sniff
 {

dev/tests/static/framework/Magento/Sniffs/Strings/StringPositionSniff.php

@@ -10,6 +10,10 @@
 
 /**
  * Detects misusing of IS_IDENTICAL operators.
+ *
+ * Examples:
+ * if (!strpos($haystack, $needle)) {}
+ * if (strpos($haystack, $needle) == false) {}
  */
 class StringPositionSniff implements Sniff
 {

dev/tests/static/framework/Magento/ruleset.xml

@@ -16,12 +16,8 @@
             <property name="absoluteLineLimit" value="120"/>
         </properties>
     </rule>
-    <rule ref="Magento.LanguageConstructs.LanguageConstructs.DirectOutput">
-        <exclude-pattern>*/Framework/*</exclude-pattern>
-        <exclude-pattern>*.phtml</exclude-pattern>
-    </rule>
-    <rule ref="Magento.LanguageConstructs.LanguageConstructs.ExitUsage">
-        <exclude-pattern>*/Framework/*</exclude-pattern>
+    <rule ref="Magento.LanguageConstructs.LanguageConstructs">
+        <include-pattern>*/app/code/*\.(?!phtml)</include-pattern>
     </rule>
     <rule ref="Magento.LiteralNamespaces.LiteralNamespaces">
         <exclude-pattern>*/_files/*</exclude-pattern>