MediaWiki  1.23.8
ApiQueryPageProps.php
Go to the documentation of this file.
1 <?php
33 
34  private $params;
35 
36  public function __construct( $query, $moduleName ) {
37  parent::__construct( $query, $moduleName, 'pp' );
38  }
39 
40  public function execute() {
41  # Only operate on existing pages
42  $pages = $this->getPageSet()->getGoodTitles();
43  if ( !count( $pages ) ) {
44  # Nothing to do
45  return;
46  }
47 
48  $this->params = $this->extractRequestParams();
49 
50  $this->addTables( 'page_props' );
51  $this->addFields( array( 'pp_page', 'pp_propname', 'pp_value' ) );
52  $this->addWhereFld( 'pp_page', array_keys( $pages ) );
53 
54  if ( $this->params['continue'] ) {
55  $this->addWhere( 'pp_page >=' . intval( $this->params['continue'] ) );
56  }
57 
58  if ( $this->params['prop'] ) {
59  $this->addWhereFld( 'pp_propname', $this->params['prop'] );
60  }
61 
62  # Force a sort order to ensure that properties are grouped by page
63  # But only if pp_page is not constant in the WHERE clause.
64  if ( count( $pages ) > 1 ) {
65  $this->addOption( 'ORDER BY', 'pp_page' );
66  }
67 
68  $res = $this->select( __METHOD__ );
69  $currentPage = 0; # Id of the page currently processed
70  $props = array();
71  $result = $this->getResult();
72 
73  foreach ( $res as $row ) {
74  if ( $currentPage != $row->pp_page ) {
75  # Different page than previous row, so add the properties to
76  # the result and save the new page id
77 
78  if ( $currentPage ) {
79  if ( !$this->addPageProps( $result, $currentPage, $props ) ) {
80  # addPageProps() indicated that the result did not fit
81  # so stop adding data. Reset props so that it doesn't
82  # get added again after loop exit
83 
84  $props = array();
85  break;
86  }
87 
88  $props = array();
89  }
90 
91  $currentPage = $row->pp_page;
92  }
93 
94  $props[$row->pp_propname] = $row->pp_value;
95  }
96 
97  if ( count( $props ) ) {
98  # Add any remaining properties to the results
99  $this->addPageProps( $result, $currentPage, $props );
100  }
101  }
102 
112  private function addPageProps( $result, $page, $props ) {
113  $fit = $result->addValue( array( 'query', 'pages', $page ), 'pageprops', $props );
114 
115  if ( !$fit ) {
116  $this->setContinueEnumParameter( 'continue', $page );
117  }
118 
119  return $fit;
120  }
121 
122  public function getCacheMode( $params ) {
123  return 'public';
124  }
125 
126  public function getAllowedParams() {
127  return array(
128  'continue' => null,
129  'prop' => array(
130  ApiBase::PARAM_ISMULTI => true,
131  ),
132  );
133  }
134 
135  public function getParamDescription() {
136  return array(
137  'continue' => 'When more results are available, use this to continue',
138  'prop' => 'Only list these props. Useful for checking whether a ' .
139  'certain page uses a certain page prop',
140  );
141  }
142 
143  public function getDescription() {
144  return 'Get various properties defined in the page content.';
145  }
146 
147  public function getExamples() {
148  return array(
149  'api.php?action=query&prop=pageprops&titles=Category:Foo',
150  );
151  }
152 
153  public function getHelpUrls() {
154  return 'https://www.mediawiki.org/wiki/API:Properties#pageprops_.2F_pp';
155  }
156 }
$result
The index of the header message $result[1]=The index of the body text message $result[2 through n]=Parameters passed to body text message. Please note the header message cannot receive/use parameters. 'ImportHandleLogItemXMLTag':When parsing a XML tag in a log item. $reader:XMLReader object $logInfo:Array of information Return false to stop further processing of the tag 'ImportHandlePageXMLTag':When parsing a XML tag in a page. $reader:XMLReader object $pageInfo:Array of information Return false to stop further processing of the tag 'ImportHandleRevisionXMLTag':When parsing a XML tag in a page revision. $reader:XMLReader object $pageInfo:Array of page information $revisionInfo:Array of revision information Return false to stop further processing of the tag 'ImportHandleToplevelXMLTag':When parsing a top level XML tag. $reader:XMLReader object Return false to stop further processing of the tag 'ImportHandleUploadXMLTag':When parsing a XML tag in a file upload. $reader:XMLReader object $revisionInfo:Array of information Return false to stop further processing of the tag 'InfoAction':When building information to display on the action=info page. $context:IContextSource object & $pageInfo:Array of information 'InitializeArticleMaybeRedirect':MediaWiki check to see if title is a redirect. $title:Title object for the current page $request:WebRequest $ignoreRedirect:boolean to skip redirect check $target:Title/string of redirect target $article:Article object 'InterwikiLoadPrefix':When resolving if a given prefix is an interwiki or not. Return true without providing an interwiki to continue interwiki search. $prefix:interwiki prefix we are looking for. & $iwData:output array describing the interwiki with keys iw_url, iw_local, iw_trans and optionally iw_api and iw_wikiid. 'InternalParseBeforeSanitize':during Parser 's internalParse method just before the parser removes unwanted/dangerous HTML tags and after nowiki/noinclude/includeonly/onlyinclude and other processings. Ideal for syntax-extensions after template/parser function execution which respect nowiki and HTML-comments. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InternalParseBeforeLinks':during Parser 's internalParse method before links but after nowiki/noinclude/includeonly/onlyinclude and other processings. & $parser:Parser object & $text:string containing partially parsed text & $stripState:Parser 's internal StripState object 'InvalidateEmailComplete':Called after a user 's email has been invalidated successfully. $user:user(object) whose email is being invalidated 'IRCLineURL':When constructing the URL to use in an IRC notification. Callee may modify $url and $query, URL will be constructed as $url . $query & $url:URL to index.php & $query:Query string $rc:RecentChange object that triggered url generation 'IsFileCacheable':Override the result of Article::isFileCacheable()(if true) $article:article(object) being checked 'IsTrustedProxy':Override the result of wfIsTrustedProxy() $ip:IP being check $result:Change this value to override the result of wfIsTrustedProxy() 'IsUploadAllowedFromUrl':Override the result of UploadFromUrl::isAllowedUrl() $url:URL used to upload from & $allowed:Boolean indicating if uploading is allowed for given URL 'isValidEmailAddr':Override the result of User::isValidEmailAddr(), for instance to return false if the domain name doesn 't match your organization. $addr:The e-mail address entered by the user & $result:Set this and return false to override the internal checks 'isValidPassword':Override the result of User::isValidPassword() $password:The password entered by the user & $result:Set this and return false to override the internal checks $user:User the password is being validated for 'Language::getMessagesFileName':$code:The language code or the language we 're looking for a messages file for & $file:The messages file path, you can override this to change the location. 'LanguageGetNamespaces':Provide custom ordering for namespaces or remove namespaces. Do not use this hook to add namespaces. Use CanonicalNamespaces for that. & $namespaces:Array of namespaces indexed by their numbers 'LanguageGetMagic':DEPRECATED, use $magicWords in a file listed in $wgExtensionMessagesFiles instead. Use this to define synonyms of magic words depending of the language $magicExtensions:associative array of magic words synonyms $lang:language code(string) 'LanguageGetSpecialPageAliases':DEPRECATED, use $specialPageAliases in a file listed in $wgExtensionMessagesFiles instead. Use to define aliases of special pages names depending of the language $specialPageAliases:associative array of magic words synonyms $lang:language code(string) 'LanguageGetTranslatedLanguageNames':Provide translated language names. & $names:array of language code=> language name $code language of the preferred translations 'LanguageLinks':Manipulate a page 's language links. This is called in various places to allow extensions to define the effective language links for a page. $title:The page 's Title. & $links:Associative array mapping language codes to prefixed links of the form "language:title". & $linkFlags:Associative array mapping prefixed links to arrays of flags. Currently unused, but planned to provide support for marking individual language links in the UI, e.g. for featured articles. 'LinkBegin':Used when generating internal and interwiki links in Linker::link(), before processing starts. Return false to skip default processing and return $ret. See documentation for Linker::link() for details on the expected meanings of parameters. $skin:the Skin object $target:the Title that the link is pointing to & $html:the contents that the< a > tag should have(raw HTML) $result
Definition: hooks.txt:1528
ApiQueryBase\addFields
addFields( $value)
Add a set of fields to select to the internal array.
Definition: ApiQueryBase.php:117
of
globals txt Globals are evil The original MediaWiki code relied on globals for processing context far too often MediaWiki development since then has been a story of slowly moving context out of global variables and into objects Storing processing context in object member variables allows those objects to be reused in a much more flexible way Consider the elegance of
Definition: globals.txt:10
ApiQueryPageProps\execute
execute()
Evaluates the parameters, performs the requested query, and sets up the result.
Definition: ApiQueryPageProps.php:40
php
skin txt MediaWiki includes four core it has been set as the default in MediaWiki since the replacing Monobook it had been been the default skin since before being replaced by Vector largely rewritten in while keeping its appearance Several legacy skins were removed in the as the burden of supporting them became too heavy to bear Those in etc for skin dependent CSS etc for skin dependent JavaScript These can also be customised on a per user by etc This feature has led to a wide variety of user styles becoming that gallery is a good place to ending in php
Definition: skin.txt:62
ApiQueryPageProps\getExamples
getExamples()
Returns usage examples for this module.
Definition: ApiQueryPageProps.php:147
ApiBase\getResult
getResult()
Get the result object.
Definition: ApiBase.php:205
ApiQueryBase\select
select( $method, $extraQuery=array())
Execute a SELECT query based on the values in the internal arrays.
Definition: ApiQueryBase.php:274
ApiQueryBase\addOption
addOption( $name, $value=null)
Add an option such as LIMIT or USE INDEX.
Definition: ApiQueryBase.php:252
ApiQueryPageProps\getDescription
getDescription()
Returns the description string for this module.
Definition: ApiQueryPageProps.php:143
ApiQueryBase
This is a base class for all Query modules.
Definition: ApiQueryBase.php:34
ApiQueryPageProps\addPageProps
addPageProps( $result, $page, $props)
Add page properties to an ApiResult, adding a continue parameter if it doesn't fit.
Definition: ApiQueryPageProps.php:112
ApiQueryBase\addTables
addTables( $tables, $alias=null)
Add a set of tables to the internal array.
Definition: ApiQueryBase.php:82
array
the array() calling protocol came about after MediaWiki 1.4rc1.
List of Api Query prop modules.
ApiQueryPageProps\$params
$params
Definition: ApiQueryPageProps.php:34
ApiQueryPageProps\__construct
__construct( $query, $moduleName)
Definition: ApiQueryPageProps.php:36
ApiBase\extractRequestParams
extractRequestParams( $parseLimit=true)
Using getAllowedParams(), this function makes an array of the values provided by the user,...
Definition: ApiBase.php:687
ApiQueryPageProps\getHelpUrls
getHelpUrls()
Definition: ApiQueryPageProps.php:153
ApiQueryBase\addWhereFld
addWhereFld( $field, $value)
Equivalent to addWhere(array($field => $value))
Definition: ApiQueryBase.php:185
ApiQueryBase\getPageSet
getPageSet()
Get the PageSet object to work on.
Definition: ApiQueryBase.php:441
as
This document is intended to provide useful advice for parties seeking to redistribute MediaWiki to end users It s targeted particularly at maintainers for Linux since it s been observed that distribution packages of MediaWiki often break We ve consistently had to recommend that users seeking support use official tarballs instead of their distribution s and this often solves whatever problem the user is having It would be nice if this could such as
Definition: distributors.txt:9
ApiBase\PARAM_ISMULTI
const PARAM_ISMULTI
Definition: ApiBase.php:48
ApiQueryPageProps
A query module to show basic page information.
Definition: ApiQueryPageProps.php:32
ApiQueryBase\addWhere
addWhere( $value)
Add a set of WHERE clauses to the internal array.
Definition: ApiQueryBase.php:152
ApiQueryPageProps\getParamDescription
getParamDescription()
Returns an array of parameter descriptions.
Definition: ApiQueryPageProps.php:135
ApiQueryPageProps\getAllowedParams
getAllowedParams()
Returns an array of allowed parameters (parameter name) => (default value) or (parameter name) => (ar...
Definition: ApiQueryPageProps.php:126
ApiQueryBase\setContinueEnumParameter
setContinueEnumParameter( $paramName, $paramValue)
Set a query-continue value.
Definition: ApiQueryBase.php:404
ApiQueryPageProps\getCacheMode
getCacheMode( $params)
Get the cache mode for the data generated by this module.
Definition: ApiQueryPageProps.php:122
$query
return true to allow those checks to and false if checking is done use this to change the tables headers temp or archived zone change it to an object instance and return false override the list derivative used the name of the old file when set the default code will be skipped add a value to it if you want to add a cookie that have to vary cache options can modify $query
Definition: hooks.txt:1105
$res
$res
Definition: database.txt:21
page
do that in ParserLimitReportFormat instead use this to modify the parameters of the image and a DIV can begin in one section and end in another Make sure your code can handle that case gracefully See the EditSectionClearerLink extension for an example zero but section is usually empty its values are the globals values my talk page
Definition: hooks.txt:1956