✨ Add squiz forbidden functions and discouraged functions rules

Author: Vincent Langlet

Symfony3Custom/Sniffs/Formatting/YodaConditionSniff.php

@@ -59,7 +59,8 @@ public function process(PHP_CodeSniffer_File $phpcsFile, $stackPtr)
                 $tokens[$i]['code'],
                 array(T_CONSTANT_ENCAPSED_STRING, T_CLOSE_PARENTHESIS, T_OPEN_PARENTHESIS, T_RETURN),
                 true
-            )) {
+            )
+            ) {
                 return;
             }
         }

Symfony3Custom/ruleset.xml

@@ -59,6 +59,8 @@
         </rule>
 
         <!-- Added by VincentLanglet repo -->
+        <rule ref="Squiz.PHP.DiscouragedFunctions"/>
+        <rule ref="Squiz.PHP.ForbiddenFunctions"/>
         <rule ref="Squiz.Strings.DoubleQuoteUsage">
             <exclude name="Squiz.Strings.DoubleQuoteUsage.ContainsVar"/>
         </rule>

docs/standards.md

@@ -88,6 +88,13 @@ We mainly respect the [Symfony Standard](./symfony.md) but
 <rule ref="Squiz.WhiteSpace.SemicolonSpacing"/>
 ```
 
+- Do not use `error_log`, `print_r`, `var_dump`, `sizeof`, `delete`, `print`, `is_null` and `create_function`
+
+```
+<rule ref="Squiz.PHP.DiscouragedFunctions"/>
+<rule ref="Squiz.PHP.ForbiddenFunctions"/>
+```
+
 ### Custom
 - Some others checks are made about array (`=>` alignments and indentation)