diff --git a/src/Files/File.php b/src/Files/File.php
index 14943f9082..6204ab9753 100644
--- a/src/Files/File.php
+++ b/src/Files/File.php
@@ -967,59 +967,63 @@ protected function addMessage($error, $message, $line, $column, $code, $data, $s
 
         // Make sure we are not ignoring this file.
         $included = null;
-        foreach ($checkCodes as $checkCode) {
-            $patterns = null;
-
-            if (isset($this->configCache['includePatterns'][$checkCode]) === true) {
-                $patterns  = $this->configCache['includePatterns'][$checkCode];
-                $excluding = false;
-            } else if (isset($this->configCache['ignorePatterns'][$checkCode]) === true) {
-                $patterns  = $this->configCache['ignorePatterns'][$checkCode];
-                $excluding = true;
-            }
-
-            if ($patterns === null) {
-                continue;
-            }
-
-            foreach ($patterns as $pattern => $type) {
-                // While there is support for a type of each pattern
-                // (absolute or relative) we don't actually support it here.
-                $replacements = [
-                    '\\,' => ',',
-                    '*'   => '.*',
-                ];
-
-                // We assume a / directory separator, as do the exclude rules
-                // most developers write, so we need a special case for any system
-                // that is different.
-                if (DIRECTORY_SEPARATOR === '\\') {
-                    $replacements['/'] = '\\\\';
+        if (trim($this->path, '\'"') === 'STDIN') {
+            $included = true;
+        } else {
+            foreach ($checkCodes as $checkCode) {
+                $patterns = null;
+
+                if (isset($this->configCache['includePatterns'][$checkCode]) === true) {
+                    $patterns  = $this->configCache['includePatterns'][$checkCode];
+                    $excluding = false;
+                } else if (isset($this->configCache['ignorePatterns'][$checkCode]) === true) {
+                    $patterns  = $this->configCache['ignorePatterns'][$checkCode];
+                    $excluding = true;
                 }
 
-                $pattern = '`'.strtr($pattern, $replacements).'`i';
-                $matched = preg_match($pattern, $this->path);
+                if ($patterns === null) {
+                    continue;
+                }
 
-                if ($matched === 0) {
-                    if ($excluding === false && $included === null) {
-                        // This file path is not being included.
-                        $included = false;
+                foreach ($patterns as $pattern => $type) {
+                    // While there is support for a type of each pattern
+                    // (absolute or relative) we don't actually support it here.
+                    $replacements = [
+                        '\\,' => ',',
+                        '*'   => '.*',
+                    ];
+
+                    // We assume a / directory separator, as do the exclude rules
+                    // most developers write, so we need a special case for any system
+                    // that is different.
+                    if (DIRECTORY_SEPARATOR === '\\') {
+                        $replacements['/'] = '\\\\';
                     }
 
-                    continue;
-                }
+                    $pattern = '`'.strtr($pattern, $replacements).'`i';
+                    $matched = preg_match($pattern, $this->path);
 
-                if ($excluding === true) {
-                    // This file path is being excluded.
-                    $this->ignoredCodes[$checkCode] = true;
-                    return false;
-                }
+                    if ($matched === 0) {
+                        if ($excluding === false && $included === null) {
+                            // This file path is not being included.
+                            $included = false;
+                        }
 
-                // This file path is being included.
-                $included = true;
-                break;
+                        continue;
+                    }
+
+                    if ($excluding === true) {
+                        // This file path is being excluded.
+                        $this->ignoredCodes[$checkCode] = true;
+                        return false;
+                    }
+
+                    // This file path is being included.
+                    $included = true;
+                    break;
+                }//end foreach
             }//end foreach
-        }//end foreach
+        }//end if
 
         if ($included === false) {
             // There were include rules set, but this file