Various updates primarily aimed at simplifying the check for presence of LanguageSupportPageNames module

wire/core/MarkupQA.php

@@ -351,10 +351,12 @@ class MarkupQA extends Wire {
 		if(!preg_match_all($re, $value, $matches)) return;
 		
 		$replacements = array();
-		$languages = $this->wire('languages');
+		$languages = $this->wire()->languages;
 		$debug = $this->debug();
+		$config = $this->wire()->config;
+		$pages = $this->wire()->pages;
 		
-		if($languages && !$this->wire('modules')->isInstalled('LanguageSupportPageNames')) $languages = null;
+		if($languages && !$languages->hasPageNames()) $languages = null;
 		
 		foreach($matches[3] as $key => $path) {
 			
@@ -370,7 +372,7 @@ class MarkupQA extends Wire {
 				// scheme and hostname present
 				/** @noinspection PhpUnusedLocalVariableInspection */
 				list($x, $host) = explode('//', $href);
-				if($host != $this->wire('config')->httpHost && !in_array($host, $this->wire('config')->httpHosts)) {
+				if($host != $config->httpHost && !in_array($host, $config->httpHosts)) {
 					$counts['external']++;
 					if($debug) $this->message("MarkupQA sleepLinks skipping because hostname: $host");
 					// external hostname, which we will skip over
@@ -415,11 +417,11 @@ class MarkupQA extends Wire {
 				'allowUrlSegments' => true,
 				'useHistory' => true
 			);
-			$page = $this->wire()->pages->getByPath($path, $getByPathOptions);
+			$page = $pages->getByPath($path, $getByPathOptions);
 			if(!$page->id) {
 				// if not found try again with non-urlSegment partial matching
 				$getByPathOptions['allowUrlSegments'] = false;
-				$page = $this->wire()->pages->getByPath($path, $getByPathOptions);
+				$page = $pages->getByPath($path, $getByPathOptions);
 			}
 			$pageID = $page->id;
 			
@@ -430,7 +432,7 @@ class MarkupQA extends Wire {
 				
 				if($languages) {
 					/** @var Language $language */
-					$language = $this->wire('modules')->get('LanguageSupportPageNames')->getPagePathLanguage($path, $page);
+					$language = $languages->pageNames()->getPagePathLanguage($path, $page);
 					$pwid = !$language || $language->isDefault() ? $pageID : "$pageID-$language";
 				} else {
 					$language = null;

wire/core/PageFinder.php

@@ -2586,8 +2586,7 @@ class PageFinder extends Wire {
 				}
 			}
 			if($langNames) {
-				/** @var LanguageSupportPageNames $module */
-				$module = $modules->getModule('LanguageSupportPageNames');
+				$module = $this->languages->pageNames();
 				if($module) $selectorValue = $module->updatePath($selectorValue);
 			}
 			$parts = explode('/', rtrim($selectorValue, '/')); 
@@ -3369,8 +3368,8 @@ class PageFinder extends Wire {
 	 */
 	protected function supportsLanguagePageNames() {
 		if($this->supportsLanguagePageNames === null) {
-			$modules = $this->wire()->modules;
-			$this->supportsLanguagePageNames = $this->languages && $modules->isInstalled('LanguageSupportPageNames'); 
+			$languages = $this->languages;
+			$this->supportsLanguagePageNames = $languages && $languages->hasPageNames();
 		}
 		return $this->supportsLanguagePageNames;
 	}

wire/core/PageTraversal.php

@@ -636,7 +636,7 @@ class PageTraversal {
 		$options = is_array($options) ? array_merge($defaults, $options) : $defaults;
 		$sanitizer = $page->wire()->sanitizer;
 		$input = $page->wire()->input;
-		$modules = $page->wire()->modules;
+		$languages = $page->wire()->languages;
 		$language = null;
 		$url = null;
 		
@@ -665,7 +665,7 @@ class PageTraversal {
 			}
 		}
 
-		if($options['language'] && $modules->isInstalled('LanguageSupportPageNames')) {
+		if($options['language'] && $languages && $languages->hasPageNames()) {
 			if(!is_object($options['language'])) {
 				$options['language'] = null;
 			} else if(!$options['language'] instanceof Page) {
@@ -699,10 +699,8 @@ class PageTraversal {
 			}
 			if((int) $options['pageNum'] > 1) {
 				$prefix = '';
-				if($language) {
-					/** @var LanguageSupportPageNames $lsp */
-					$lsp = $modules->get('LanguageSupportPageNames');
-					$prefix = $lsp ? $lsp->get("pageNumUrlPrefix$language") : '';
+				if($language && $languages && $languages->hasPageNames()) {
+					$prefix = $languages->pageNames()->get("pageNumUrlPrefix$language");
 				}
 				if(!strlen($prefix)) $prefix = $config->pageNumUrlPrefix;
 				$url = rtrim($url, '/') . '/' . $prefix . ((int) $options['pageNum']);
@@ -788,7 +786,7 @@ class PageTraversal {
 		}
 
 		// include other language URLs
-		if($languages && $modules->isInstalled('LanguageSupportPageNames')) {
+		if($languages && $languages->hasPageNames()) {
 			foreach($languages as $language) {
 				if(!$language->isDefault() && !$page->get("status$language")) continue;
 				$urls[$language->name] = $page->localUrl($language);

wire/core/Pages.php

@@ -1219,7 +1219,7 @@ class Pages extends Wire {
 	 *   'response' => 200, // one of 200, 301, 302, 404, 414
 	 *   'type' => 'ok', // response type name
 	 *   'errors' => [], // array of error messages indexed by error name
-	 *   'redirect` => '/redirect/path/', // suggested path to redirect to or blank
+	 *   'redirect' => '/redirect/path/', // suggested path to redirect to or blank
 	 *   'page' => [
 	 *      'id' => 123, // ID of the page that was found
 	 *      'parent_id' => 456,

wire/core/PagesExportImport.php

@@ -391,7 +391,7 @@ class PagesExportImport extends Wire {
 		}
 		
 		// include multi-language page names and statuses when applicable
-		if($languages && $this->wire('modules')->isInstalled('LanguageSupportPageNames')) {
+		if($languages && $languages->hasPageNames()) {
 			foreach($languages as $language) {
 				if($language->isDefault()) continue;
 				$settings["name_$language->name"] = $page->get("name$language->id");
@@ -542,8 +542,10 @@ class PagesExportImport extends Wire {
 			throw new WireException('Invalid array provided to arrayToPage() method');
 		}
 	
-		/** @var Config $config */
-		$config = $this->wire('config');
+		$config = $this->wire()->config;
+		$pages = $this->wire()->pages;
+		$languages = $this->wire()->languages;
+		$fields = $this->wire()->fields;
 
 		$defaults = array(
 			'id' => 0, // ID that new Page should use, or update, if it already exists. (0=create new). Sets update=true.
@@ -573,8 +575,6 @@ class PagesExportImport extends Wire {
 		$errors = array(); // fatal errors
 		$warnings = array(); // non-fatal warnings
 		$messages = array(); // informational
-		$pages = $this->wire('pages');
-		$languages = $this->wire('languages');
 		$missingFields = array();
 		
 		if($options['id']) {
@@ -623,7 +623,7 @@ class PagesExportImport extends Wire {
 			if(count($options['fieldNames']) && !in_array($name, $options['fieldNames'])) continue;
 			if(isset($options['replaceFields'][$name])) $name = $options['replaceFields'][$name];
 			
-			$field = $this->wire('fields')->get($name); 
+			$field = $fields->get($name); 
 			
 			if(!$field) {
 				if(is_array($value) && !count($value)) continue;

wire/core/PagesLoader.php

@@ -1378,11 +1378,12 @@ class PagesLoader extends Wire {
 		$id = (int) $id;
 		if(!$id || $id < 0) return '';
 
-		$languages = $this->wire('languages');
-		if($languages && !$this->wire('modules')->isInstalled('LanguageSupportPageNames')) $languages = null;
+		$languages = $this->wire()->languages;
+		if($languages && !$languages->hasPageNames()) $languages = null;
+		
 		$language = $options['language'];
 		$languageID = 0;
-		$homepageID = (int) $this->wire('config')->rootPageID;
+		$homepageID = (int) $this->wire()->config->rootPageID;
 
 		if(!empty($language) && $languages) {
 			if(is_string($language) || is_int($language)) $language = $languages->get($language);
@@ -1548,8 +1549,9 @@ class PagesLoader extends Wire {
 		$path = $sanitizer->pagePathName($path, Sanitizer::toAscii);
 		$pathParts = explode('/', trim($path, '/'));
 		$_pathParts = $pathParts;
+		
 		$languages = $options['useLanguages'] ? $this->wire()->languages : null;
-		if($languages && !$modules->isInstalled('LanguageSupportPageNames')) $languages = null;
+		if($languages && !$languages->hasPageNames()) $languages = null;
 
 		$langKeys = array(':name' => 'name');
 		if($languages) foreach($languages as $language) {

wire/core/PagesNames.php

@@ -613,8 +613,8 @@ class PagesNames extends Wire {
 		);
 
 		$options = array_merge($defaults, $options);
-		$languages = $options['multilang'] || $options['language'] ? $this->wire('languages') : null;
-		if($languages && !$this->wire('modules')->isInstalled('LanguageSupportPageNames')) $languages = null;
+		$languages = $options['multilang'] || $options['language'] ? $this->wire()->languages : null;
+		if($languages && !$languages->hasPageNames()) $languages = null;
 		
 		if($this->wire('config')->pageNameCharset == 'UTF8') {
 			$name = $this->wire('sanitizer')->pageName($name, Sanitizer::toAscii);

wire/core/PagesPathFinder.php

@@ -1245,7 +1245,7 @@ class PagesPathFinder extends Wire {
 			$this->useLanguages = array();
 			return array();
 		}
-		if(!$this->wire()->modules->isInstalled('LanguageSupportPageNames')) {
+		if(!$languages->hasPageNames()) {
 			$this->useLanguages = array();
 			return array();
 		}

wire/core/PagesTrash.php

@@ -75,8 +75,8 @@ class PagesTrash extends Wire {
 			$page->name = ($name . "_" . $page->name);
 		
 			// do the same for other languages, if present
-			$languages = $this->wire('languages');
-			if($languages && $this->wire('modules')->isInstalled('LanguageSupportPageNames')) {
+			$languages = $this->wire()->languages;
+			if($languages && $languages->hasPageNames()) {
 				foreach($languages as $language) {
 					if($language->isDefault()) continue;
 					$langName = $page->get("name$language->id");
@@ -153,9 +153,8 @@ class PagesTrash extends Wire {
 			'namePrevious' => '',
 		);
 		
-		/** @var Languages|array $languages */
-		$languages = $this->wire('languages');
-		if(!$languages || !$this->wire('modules')->isInstalled('LanguageSupportPageNames')) $languages = array();
+		$languages = $this->wire()->languages;
+		if(!$languages || !$languages->hasPageNames()) $languages = array();
 		
 		// initialize name properties in $info for each language 
 		foreach($languages as $language) {

wire/modules/LanguageSupport/LanguageSupport.module

@@ -736,7 +736,8 @@ class LanguageSupport extends WireData implements Module, ConfigurableModule {
 		
 		if($field == 'name') {
 			// set page name
-			if(!$this->wire('modules')->isInstalled('LanguageSupportPageNames')) {
+			$languages = $this->wire()->languages;
+			if($languages && !$languages->hasPageNames()) {
 				throw new WireException("Please install LanguageSupportPageNames module before attempting to set multi-language names/paths/URLs."); 
 			}
 			if($language->isDefault()) {

wire/modules/LanguageSupport/LanguageSupportPageNames.module

@@ -1331,9 +1331,7 @@ class LanguageSupportPageNames extends WireData implements Module, ConfigurableM
 		$modules = $this->wire()->modules;
 		$config = $this->wire()->config;
 	
-		/** @var LanguageSupportPageNames $module */
-		$module = $modules->get('LanguageSupportPageNames'); 
-		$module->checkModuleVersion(true); 
+		$this->checkModuleVersion(true); 
 		
 		$defaultUrlPrefix = $config->get('_pageNumUrlPrefix|pageNumUrlPrefix');
 		

wire/modules/LanguageSupport/Languages.php

@@ -18,13 +18,14 @@
  * 
  * #pw-body
  *
- * ProcessWire 3.x, Copyright 2016 by Ryan Cramer
+ * ProcessWire 3.x, Copyright 2021 by Ryan Cramer
  * https://processwire.com
  * 
  * @property LanguageTabs|null $tabs Current LanguageTabs module instance, if installed #pw-internal
  * @property Language $default Get default language
  * @property Language $getDefault Get default language (alias of $default)
  * @property LanguageSupport $support Instance of LanguageSupport module #pw-internal
+ * @property LanguageSupportPageNames|false $pageNames Instance of LanguageSupportPageNames module or false if not installed 3.0.186+ #pw-internal
  * 
  * @method added(Page $language) Hook called when Language is added #pw-hooker
  * @method deleted(Page $language) Hook called when Language is deleted #pw-hooker
@@ -98,10 +99,14 @@ class Languages extends PagesType {
 	protected $editableCache = array();
 
 	/**
-	 * @var LanguageSupportPageNames|null|false
+	 * LanguageSupportPageNames module instance or boolean install state
+	 * 
+	 * Populated as a cache by the pageNames() or hasPageNames() methods
+	 * 
+	 * @var LanguageSupportPageNames|null|bool
 	 * 
 	 */
-	protected $languageSupportPageNames = null;
+	protected $pageNames = null;
 
 	/**
 	 * Construct
@@ -613,19 +618,41 @@ class Languages extends PagesType {
 	/**
 	 * Get LanguageSupportPageNames module if installed, false if not
 	 * 
-	 * @return LanguageSupportPageNames|bool
+	 * @return LanguageSupportPageNames|false
+	 * @since 3.0.186
 	 * 
 	 */
 	public function pageNames() {
-		if($this->languageSupportPageNames === null) {
+		// null when not known, true when previously detected as installed but instance not yet loaded
+		if($this->pageNames === null || $this->pageNames === true) {
 			$modules = $this->wire()->modules;
 			if($modules->isInstalled('LanguageSupportPageNames')) {
-				$this->languageSupportPageNames = $modules->getModule('LanguageSupportPageNames');
+				// installed: load instance
+				$this->pageNames = $modules->getModule('LanguageSupportPageNames');
 			} else {
-				$this->languageSupportPageNames = false;
+				// not installed
+				$this->pageNames = false;
 			}
 		}
-		return $this->languageSupportPageNames;
+		// object instance or boolean false
+		return $this->pageNames;
+	}
+
+	/**
+	 * Is LanguageSupportPageNames installed?
+	 * 
+	 * @return bool
+	 * @since 3.0.186
+	 * 
+	 */
+	public function hasPageNames() {
+		// if previously identified as installed or instance loaded, return true
+		if($this->pageNames) return true;
+		// if previously identified as NOT installed, return false
+		if($this->pageNames=== false) return false;
+		// populate with installed status boolean and return it
+		$this->pageNames = $this->wire()->modules->isInstalled('LanguageSupportPageNames');
+		return $this->pageNames;
 	}
 
 	/**
@@ -771,9 +798,18 @@ class Languages extends PagesType {
 	 * 
 	 */
 	public function __get($key) {
-		if($key === 'tabs') return $this->wire()->modules->get('LanguageSupport')->getLanguageTabs();
-		if($key === 'default') return $this->getDefault();
-		if($key === 'support') return $this->wire()->modules->get('LanguageSupport');
+		if($key === 'tabs') {
+			$ls = $this->wire()->modules->get('LanguageSupport'); /** @var LanguageSupport $ls */
+			return $ls->getLanguageTabs();
+		} else if($key === 'default') {
+			return $this->getDefault();
+		} else if($key === 'support') {
+			return $this->wire()->modules->get('LanguageSupport');
+		} else if($key === 'pageNames') {
+			return $this->pageNames();
+		} else if($key === 'hasPageNames') {
+			return $this->hasPageNames();
+		}
 		return parent::__get($key);
 	}
 	

wire/modules/PagePathHistory.module

@@ -98,8 +98,8 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 	 */
 	protected function getLanguages() {
 		if($this->getVersion() < 2) return false;
-		if(!$this->wire('modules')->isInstalled('LanguageSupportPageNames')) return false;
-		return $this->wire('languages');
+		$languages = $this->wire()->languages;
+		return $languages && $languages->hasPageNames() ? $languages : false;
 	}
 
 	/**
@@ -265,11 +265,9 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 			'virtual' => true, 
 		);
 		
-		/** @var WireDatabasePDO $database */
-		$database = $this->wire('database');
-		
-		/** @var Sanitizer $sanitizer */
-		$sanitizer = $this->wire('sanitizer');
+		$database = $this->wire()->database;
+		$sanitizer = $this->wire()->sanitizer;
+		$languages = $this->wire()->languages;
 		
 		$paths = array();
 		$options = is_array($options) ? array_merge($defaults, $options) : $defaults;
@@ -278,7 +276,7 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 			$options['language'] = null;
 			$allowLanguage = false;
 		} else {
-			$allowLanguage = $this->wire('languages') && $this->wire('modules')->isInstalled('LanguageSupportPageNames');
+			$allowLanguage = $languages && $languages->hasPageNames();
 		}
 		
 		$language = $options['language'] && $allowLanguage ? $this->getLanguage($options['language']) : null;
@@ -529,7 +527,7 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 		$languages = $this->getLanguages();
 
 		$age = time() - $page->created;
-		if($page->template == 'admin' || $this->wire('pages')->cloning || $age < $this->minimumAge) return;
+		if($page->template->name === 'admin' || $this->wire()->pages->cloning || $age < $this->minimumAge) return;
 
 		// note that the paths we store have no trailing slash
 		
@@ -626,11 +624,10 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 		}
 		
 		$languages = $this->getLanguages();
-		if($languages) {
+		$languagePageNames = $languages ? $languages->pageNames() : null;
+		if($languagePageNames) {
 			// the LanguageSupportPageNames may change the original requested path, so we ask it for the original
-			/** @var LanguageSupportPageNames $lspn */
-			$lspn = $this->wire()->modules->get('LanguageSupportPageNames');
-			$path = $lspn->getRequestPath();
+			$path = $languagePageNames->getRequestPath();
 			$path = $path ? $this->wire()->sanitizer->pagePathName($path) : $event->arguments(1);
 		} else {
 			$path = $event->arguments(1);
@@ -743,20 +740,23 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 			"LEFT JOIN pages ON $table.pages_id=pages.id " . 
 			"WHERE " . implode(' OR ', $wheres);
 		
-		$query = $database->prepare($sql);
 		
+		try {
+			$query = $database->prepare($sql);
 			foreach($binds as $bindKey => $bindValue) {
 				$query->bindValue(":$bindKey", $bindValue);
 			}
-		
 			$query->execute();
 			$rowCount = $query->rowCount();
-		
-		if(!$rowCount) {
 			$query->closeCursor();
-			return $result;
+		} catch(\Exception $e) {
+			if(!$this->checkTableSchema()) throw $e;
+			$rowCount = 0;
+			$query = null;
 		}
 		
+		if(!$rowCount || $query) return $result;
+		
 		$rows = array();
 		$pathCounts = array();
 		$matchRow = null;
@@ -899,10 +899,9 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 			)); 
 			if($page->id) {
 				// found a page
-				if($languages) {
-					/** @var LanguageSupportPageNames $lspn */
-					$lspn = $this->wire()->modules->get('LanguageSupportPageNames');
-					$language = $lspn->getPagePathLanguage($path, $page);
+				$languagePageNames = $languages ? $languages->pageNames() : null;
+				if($languagePageNames) {
+					$language = $languagePageNames->getPagePathLanguage($path, $page);
 					if($language) $page->setQuietly('_language', $language);
 				}
 			} else if($level < self::maxSegments) {
@@ -975,6 +974,31 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 		return $path;
 	}
 
+	/**
+	 * Check table schema and update as needed
+	 * 
+	 * @return bool True if schema updated, false if not
+	 * 
+	 */
+	protected function checkTableSchema() {
+		
+		$database = $this->wire()->database;
+		$table = self::dbTableName;
+		$updated = false;
+		
+		if(!$database->columnExists($table, 'language_id')) {
+			try {
+				$database->exec("ALTER TABLE $table ADD language_id INT UNSIGNED DEFAULT 0");
+				$this->message("Added 'language_id' column to table $table", Notice::debug); 
+				$updated = true;
+			} catch(\Exception $e) {
+				$this->error($e->getMessage(), Notice::superuser | Notice::log);
+			}
+		}
+		
+		return $updated;
+	}
+
 	/**
 	 * Install
 	 * 
@@ -1013,24 +1037,9 @@ class PagePathHistory extends WireData implements Module, ConfigurableModule {
 	 * 
 	 */
 	public function ___upgrade($fromVersion, $toVersion) {
-		
-		if($fromVersion == 1) {
-		
-			$messagePrefix = "PagePathHistory v$fromVersion => v$toVersion: ";
-			$database = $this->wire('database');
-			$table = self::dbTableName;
-			
-			try {
-				$database->exec("ALTER TABLE $table ADD language_id INT UNSIGNED DEFAULT 0");
-				$message = "Added 'language_id' column";
-				$error = false;
-			} catch(\Exception $e) {
-				$error = true;
-				$message = $e->getMessage();
-			}
-			
-			$message = $messagePrefix . $message;
-			$error ? $this->error($message) : $this->message($message);
+		if($fromVersion != $toVersion) {
+			$this->checkTableSchema();
+			$this->message("PagePathHistory v$fromVersion => v$toVersion");
 		}
 	}
 

wire/modules/PagePaths.module

@@ -545,7 +545,7 @@ class PagePaths extends WireData implements Module, ConfigurableModule {
 		$languages = $this->wire()->languages;
 		if(!$languages) {
 			$this->languages = false;
-		} else if($this->wire()->modules->isInstalled('LanguageSupportPageNames')) {
+		} else if($languages->hasPageNames()) {
 			$this->languages = $languages;
 		} else {
 			$this->languages = false;
@@ -652,29 +652,43 @@ class PagePaths extends WireData implements Module, ConfigurableModule {
 	
 		$session = $this->wire()->session;
 		$input = $this->wire()->input;
+		$numPages = 0;
+		$numRows = -1;
 		
 		if($input->requestMethod('POST')) {
 			if($input->post('_rebuild')) $session->setFor($this, 'rebuild', true);
-			$numPages = 0;
-			$eta = 0;
 		} else {
 			$numPages = $this->wire()->pages->count("id>0, include=all");
-			$eta = ($numPages / 1000) * 1.1;
 			if($session->getFor($this, 'rebuild')) {
 				$session->removeFor($this, 'rebuild');
 				$timer = Debug::timer();
 				$this->rebuild();
 				$elapsed = Debug::timer($timer);
 				$this->message(sprintf($this->_('Completed rebuild in %d seconds'), $elapsed), Notice::noGroup);
+			} else {
+				$table = self::dbTableName;
+				try {
+					$query = $this->wire()->database->prepare("SELECT COUNT(*) FROM $table");
+					$query->execute();
+					$numRows = (int) $query->fetchColumn();
+				} catch(\Exception $e) {
+				}
 			}
 		}
-		
 		
 		$f = $inputfields->InputfieldCheckbox;
 		$f->attr('name', '_rebuild');
 		$f->label = sprintf($this->_('Rebuild page paths index for %d pages'), $numPages); 
 		$f->label2 = $this->_('Rebuild now');
-		$f->description = sprintf($this->_('Estimated rebuild time is roughly %01.1f seconds.'), $eta);
+		if($numPages) $f->description =
+			$this->_('Estimated rebuild time is up to 5 seconds per 1000 pages.') . ' ' . 
+			sprintf($this->_('There are %d pages to process.'), $numPages); 
+		if($numRows > 0) {
+			$f->notes = sprintf($this->_('There are currently %d rows stored by this module (path paths and versions of path paths).'), $numRows);
+		} else if($numRows === 0 && $input->requestMethod('GET')) {
+			$this->warning($this->_('Please choose the “rebuild now” option to create your page paths index.'));
+		}
+			
 		$inputfields->add($f);
 	}
 

wire/modules/Process/ProcessPageClone.module

@@ -190,8 +190,10 @@ class ProcessPageClone extends Process {
 			'n' => $n
 		);
 		
-		if($this->wire('modules')->isInstalled('LanguageSupportPageNames')) {
-			foreach($this->wire('languages') as $language) {
+	
+		$languages = $this->wire()->languages;
+		if($languages && $languages->hasPageNames()) {
+			foreach($languages as $language) {
 				if($language->isDefault()) continue;
 				$value = $page->get("name$language");
 				if(!strlen($value)) continue;
@@ -243,7 +245,7 @@ class ProcessPageClone extends Process {
 			$titleUseLanguages = $title 
 				&& $page->template->fieldgroup->hasField($title) 
 				&& $title->getInputfield($page)->getSetting('useLanguages');
-			$nameUseLanguages = $this->wire('modules')->isInstalled('LanguageSupportPageNames'); 
+			$nameUseLanguages = $languages->hasPageNames();
 			if($titleUseLanguages) $titleField->useLanguages = true;
 			if($nameUseLanguages) $nameField->useLanguages = true; 
 			foreach($languages as $language) {

wire/modules/Process/ProcessPageEdit/ProcessPageEdit.module

@@ -444,7 +444,7 @@ class ProcessPageEdit extends Process implements WirePageEditor, ConfigurableMod
 		// optional language GET var
 		$languages = $this->wire()->languages;
 		if($languages) {
-			$this->hasLanguagePageNames = $this->modules->isInstalled('LanguageSupportPageNames');
+			$this->hasLanguagePageNames = $languages->hasPageNames();
 			if($this->hasLanguagePageNames) {
 				$languageID = (int) $this->input->get('language');
 				if($languageID > 0) {
@@ -1491,7 +1491,7 @@ class ProcessPageEdit extends Process implements WirePageEditor, ConfigurableMod
 			'virtual' => true
 		));
 		
-		$multilang = $languages && $modules->isInstalled('LanguageSupportPageNames');
+		$multilang = $languages && $languages->hasPageNames();
 		$slashUrls = $this->page->template->slashUrls;
 		$deleteIDs = array();
 		$rootUrl = $this->wire('config')->urls->root;

wire/modules/Process/ProcessPageLister/ProcessPageLister.module

@@ -648,8 +648,7 @@ class ProcessPageLister extends Process implements ConfigurableModule {
 		$template = $this->template;
 		$customFields = array();
 		$languages = $this->wire('languages'); /** @var Languages $languages */
-		$modules = $this->wire('modules'); /** @var @var Modules $modules */
-		$languagePageNames = $languages && $modules->isInstalled('LanguageSupportPageNames') && method_exists($this, '___executeSave'); 
+		$languagePageNames = $languages && $languages->hasPageNames() && method_exists($this, '___executeSave'); 
 		$asmParents = array('name', 'path', 'url', 'httpUrl');
 		$asmParentValueSuffix = ' …';
 		
@@ -1363,7 +1362,7 @@ class ProcessPageLister extends Process implements ConfigurableModule {
 		$hooks = $this->wire('hooks');
 		
 		if($languages && $p->template->noLang) $languages = null;
-		$langPageNames = $languages && $this->wire('modules')->isInstalled('LanguageSupportPageNames');
+		$langPageNames = $languages && $languages->hasPageNames();
 
 		$subname = '';
 		$fullname = $name; 

wire/modules/Process/ProcessProfile/ProcessProfile.module

@@ -345,8 +345,9 @@ class ProcessProfile extends Process implements ConfigurableModule, WirePageEdit
 		
 		$user->name = $userName;
 
-		if($this->wire()->modules->isInstalled('LanguageSupportPageNames')) {
-			foreach($this->wire()->languages as $language) {
+		$languages = $this->wire()->languages;
+		if($languages && $languages->hasPageNames()) {
+			foreach($languages as $language) {
 				if(!$language->isDefault()) $user->set("name$language->id", $userName);
 			}
 		}