Create a temporary file when processing STDIN on Windows

Author: rodrigoprimo

src/Standards/Generic/Sniffs/PHP/SyntaxSniff.php

@@ -56,7 +56,7 @@ public function process(File $phpcsFile, $stackPtr)
             $this->phpPath = Config::getExecutablePath('php');
         }
 
-        $cmd     = $this->getPhpLintCommand($phpcsFile);
+        $cmd     = $this->getLintCommand($phpcsFile);
         $output  = shell_exec($cmd);
         $matches = [];
         if (preg_match('/^.*error:(.*) in .* on line ([0-9]+)/m', trim($output), $matches) === 1) {
@@ -72,24 +72,74 @@ public function process(File $phpcsFile, $stackPtr)
 
 
     /**
-     * Returns the command used to lint PHP code. Uses a different command when the content is
-     * provided via STDIN.
+     * Returns the command used to lint PHP code.
+     *
+     * This method handles different scenarios based on the input source:
+     * - For STDIN input on Windows: Creates a temporary file and uses direct file linting.
+     * - For STDIN input on non-Windows: Pipes the content through echo to PHP linter.
+     * - For regular files: Uses direct file linting.
      *
      * @param \PHP_CodeSniffer\Files\File $phpcsFile The File object.
      *
      * @return string The command used to lint PHP code.
      */
-    private function getPhpLintCommand(File $phpcsFile)
+    private function getLintCommand(File $phpcsFile)
     {
         if ($phpcsFile->getFilename() === 'STDIN') {
             $content = $phpcsFile->getTokensAsString(0, $phpcsFile->numTokens);
+
+            if (stripos(PHP_OS, 'WIN') === 0) {
+                $tempFile = $this->createTempFile($content);
+                return $this->getFileLintCommand($tempFile);
+            }
+
             return "echo ".escapeshellarg($content)." | ".Common::escapeshellcmd($this->phpPath)." -l -d display_errors=1 -d error_prepend_string='' 2>&1";
-        }
+        }//end if
+
+        return $this->getFileLintCommand($phpcsFile->getFilename());
+
+    }//end getLintCommand()
+
+
+    /**
+     * Creates a temporary file with the given content and registers a shutdown function to delete
+     * the file when the script ends.
+     *
+     * @param string $content The content to write to the temporary file.
+     *
+     * @return string The path to the created temporary file.
+     */
+    private function createTempFile($content)
+    {
+        $tempFile = tempnam(sys_get_temp_dir(), 'phpcs-syntax-sniff');
+        file_put_contents($tempFile, $content);
+
+        register_shutdown_function(
+            function () use ($tempFile) {
+                if (file_exists($tempFile) === true) {
+                    unlink($tempFile);
+                }
+            }
+        );
+
+        return $tempFile;
+
+    }//end createTempFile()
+
 
-        $fileName = escapeshellarg($phpcsFile->getFilename());
-        return Common::escapeshellcmd($this->phpPath)." -l -d display_errors=1 -d error_prepend_string='' $fileName 2>&1";
+    /**
+     * Returns the command used to lint a specific PHP file.
+     *
+     * @param string $fileName The name of the file to be checked.
+     *
+     * @return string The command used to lint the specified PHP file.
+     */
+    private function getFileLintCommand($fileName)
+    {
+        $escapedFileName = escapeshellarg($fileName);
+        return Common::escapeshellcmd($this->phpPath)." -l -d display_errors=1 -d error_prepend_string='' $escapedFileName 2>&1";
 
-    }//end getPhpLintCommand()
+    }//end getFileLintCommand()
 
 
 }//end class