PHP syntax check

administrator/components/com_jedchecker/language/en-GB/en-GB.com_jedchecker.ini

@@ -151,3 +151,5 @@ COM_JEDCHECKER_LEVEL_COMPATIBILITY="COMPATIBILITY"
 COM_JEDCHECKER_LEVEL_NOTICE="NOTICE"
 COM_JEDCHECKER_LEVEL_INFO="INFO"
 COM_JEDCHECKER_LEVEL_PASSED="PASSED"
+COM_JEDCHECKER_PHP_SYNTAX_CHECK="Syntax check"
+COM_JEDCHECKER_PHP_SYNTAX_CHECK_DESC="Warns about any syntax errors in your PHP files"

administrator/components/com_jedchecker/libraries/composer.json

@@ -0,0 +1,8 @@
+{
+    "config": {
+        "platform-check": false
+    },
+    "require": {
+        "nikic/php-parser": "^4.13"
+    }
+}

administrator/components/com_jedchecker/libraries/rules/phpsyntaxcheck.php

@@ -0,0 +1,107 @@
+<?php
+/**
+ * @package    Joomla.JEDChecker
+ *
+ * @copyright  Copyright (C) 2022 Open Source Matters, Inc. All rights reserved.
+ *
+ * @license    GNU General Public License version 2 or later; see LICENSE.txt
+ */
+
+defined('_JEXEC') or die('Restricted access');
+
+use PhpParser\ParserFactory;
+use PhpParser\Error;
+
+
+// Include the rule base class
+require_once JPATH_COMPONENT_ADMINISTRATOR . '/models/rule.php';
+
+
+/**
+ * class JedcheckerRulesPHPSyntaxCheck
+ *
+ * This class TODO
+ *
+ * @since  2.3
+ */
+class JedcheckerRulesPHPSyntaxCheck extends JEDcheckerRule
+{
+	/**
+	 * The formal ID of this rule. For example: SE1.
+	 *
+	 * @var    string
+	 */
+	protected $id = 'PHPSYNTAXCHECK';
+
+	/**
+	 * The title or caption of this rule.
+	 *
+	 * @var    string
+	 */
+	protected $title = 'COM_JEDCHECKER_PHP_SYNTAX_CHECK';
+
+	/**
+	 * The description of this rule.
+	 *
+	 * @var    string
+	 */
+	protected $description = 'COM_JEDCHECKER_PHP_SYNTAX_CHECK_DESC';
+
+	/**
+	 * The ordering value to sort rules in the menu.
+	 *
+	 * @var    integer
+	 */
+	public static $ordering = 450;
+
+	/**
+	 * Manifest's directory
+	 *
+	 * @var    string
+	 */
+	protected $basedir;
+
+	/**
+	 * PHP Parser
+	 *
+	 * @var    \PhpParser\Parser
+	 */
+	protected $parser;
+
+	/**
+	 * Initiates the search and check
+	 *
+	 * @return    void
+	 */
+	public function check()
+	{
+		include_once JPATH_COMPONENT_ADMINISTRATOR . '/libraries/vendor/autoload.php';
+		$this->parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
+
+		$files = JFolder::files($this->basedir, '\.php$', true, true);
+		foreach ($files as $file)
+		{
+			$this->find($file);
+		}
+	}
+
+	/**
+	 * Reads a file and check syntax
+	 *
+	 * @param   string  $file  - The path to the file
+	 *
+	 * @return boolean True if the check has been passed.
+	 */
+	protected function find($file)
+	{
+		$code = file_get_contents($file);
+
+		try {
+			$ast = $this->parser->parse($code);
+		} catch (Error $error) {
+			$this->report->addError($file, $error->getMessage());
+		}
+
+		return true;
+	}
+}

administrator/components/com_jedchecker/libraries/vendor/autoload.php

@@ -0,0 +1,7 @@
+<?php
+
+// autoload.php @generated by Composer
+
+require_once __DIR__ . '/composer/autoload_real.php';
+
+return ComposerAutoloaderInitbddd5bb9017c3732135dac7a0dcd5b1d::getLoader();

administrator/components/com_jedchecker/libraries/vendor/bin/php-parse

@@ -0,0 +1,117 @@
+#!/usr/bin/env php
+<?php
+
+/**
+ * Proxy PHP file generated by Composer
+ *
+ * This file includes the referenced bin path (../nikic/php-parser/bin/php-parse)
+ * using a stream wrapper to prevent the shebang from being output on PHP<8
+ *
+ * @generated
+ */
+
+namespace Composer;
+
+$GLOBALS['_composer_bin_dir'] = __DIR__;
+$GLOBALS['_composer_autoload_path'] = __DIR__ . '/..'.'/autoload.php';
+
+if (PHP_VERSION_ID < 80000) {
+    if (!class_exists('Composer\BinProxyWrapper')) {
+        /**
+         * @internal
+         */
+        final class BinProxyWrapper
+        {
+            private $handle;
+            private $position;
+            private $realpath;
+
+            public function stream_open($path, $mode, $options, &$opened_path)
+            {
+                // get rid of phpvfscomposer:// prefix for __FILE__ & __DIR__ resolution
+                $opened_path = substr($path, 17);
+                $this->realpath = realpath($opened_path) ?: $opened_path;
+                $opened_path = $this->realpath;
+                $this->handle = fopen($this->realpath, $mode);
+                $this->position = 0;
+
+                return (bool) $this->handle;
+            }
+
+            public function stream_read($count)
+            {
+                $data = fread($this->handle, $count);
+
+                if ($this->position === 0) {
+                    $data = preg_replace('{^#!.*\r?\n}', '', $data);
+                }
+
+                $this->position += strlen($data);
+
+                return $data;
+            }
+
+            public function stream_cast($castAs)
+            {
+                return $this->handle;
+            }
+
+            public function stream_close()
+            {
+                fclose($this->handle);
+            }
+
+            public function stream_lock($operation)
+            {
+                return $operation ? flock($this->handle, $operation) : true;
+            }
+
+            public function stream_seek($offset, $whence)
+            {
+                if (0 === fseek($this->handle, $offset, $whence)) {
+                    $this->position = ftell($this->handle);
+                    return true;
+                }
+
+                return false;
+            }
+
+            public function stream_tell()
+            {
+                return $this->position;
+            }
+
+            public function stream_eof()
+            {
+                return feof($this->handle);
+            }
+
+            public function stream_stat()
+            {
+                return array();
+            }
+
+            public function stream_set_option($option, $arg1, $arg2)
+            {
+                return true;
+            }
+
+            public function url_stat($path, $flags)
+            {
+                $path = substr($path, 17);
+                if (file_exists($path)) {
+                    return stat($path);
+                }
+
+                return false;
+            }
+        }
+    }
+
+    if (function_exists('stream_wrapper_register') && stream_wrapper_register('phpvfscomposer', 'Composer\BinProxyWrapper')) {
+        include("phpvfscomposer://" . __DIR__ . '/..'.'/nikic/php-parser/bin/php-parse');
+        exit(0);
+    }
+}
+
+include __DIR__ . '/..'.'/nikic/php-parser/bin/php-parse';

administrator/components/com_jedchecker/libraries/vendor/bin/php-parse.bat

@@ -0,0 +1,5 @@
+@ECHO OFF
+setlocal DISABLEDELAYEDEXPANSION
+SET BIN_TARGET=%~dp0/php-parse
+SET COMPOSER_RUNTIME_BIN_DIR=%~dp0
+php "%BIN_TARGET%" %*