New debugger system that outputs a toolbar on page view. More...

Static Public Member Functions
static	addModules (OutputPage $out)
	Add ResourceLoader modules to the OutputPage object if debugging is enabled.

static	appendDebugInfoToApiResult (IContextSource $context, ApiResult $result)
	Append the debug info to given ApiResult.

static	clearLog ()
	Clears internal log array and deprecation tracking.

static	debugMsg ( $str, $context=[])
	This is a method to pass messages from wfDebug to the pretty debugger.

static	deinit ()
	Disable the debugger.

static	deprecated ( $function, $version=false, $component=false, $callerOffset=2)
	Show a warning that $function is deprecated.

static	getDebugHTML (IContextSource $context)
	Returns the HTML to add to the page for the toolbar.

static	getDebugInfo (IContextSource $context)
	Returns the HTML to add to the page for the toolbar.

static	getHTMLDebugLog ()
	Generate debug log in HTML for displaying at the bottom of the main content area.

static	getLog ()
	Returns internal log array.

static	init ()
	Enabled the debugger and load resource module.

static	log ( $str)
	Adds a line to the log.

static	query ( $sql, $function, $runTime, $dbhost)
	Begins profiling on a database query.

static	setup ()

static	warning ( $msg, $callerOffset=1, $level=E_USER_NOTICE, $log='auto')
	Adds a warning entry to the log.

Static Protected Member Functions
static	getFilesIncluded (IContextSource $context)
	Returns a list of files included, along with their size.

Static Protected Attributes
static	$debug = []
	Debug messages from wfDebug().

static	$deprecationWarnings = []
	Array of functions that have already been warned, formatted function-caller to prevent a buttload of warnings.

static	$enabled = false
	Is the debugger enabled?

static	$log = []
	Log lines.

static	$query = []
	SQL statements of the database queries.

Static Private Member Functions
static	getCallerDescription ( $callerOffset)
	Get an array describing the calling function at a specified offset.

static	sendMessage ( $msg, $caller, $group, $level)
	Send a message to the debug log and optionally also trigger a PHP error, depending on the $level argument.

Detailed Description

New debugger system that outputs a toolbar on page view.

By default, most methods do nothing ( self::$enabled = false ). You have to explicitly call MWDebug::init() to enabled them.

Since: 1.19

Definition at line 33 of file MWDebug.php.

Member Function Documentation

◆ addModules()

static MWDebug::addModules ( OutputPage $out )

static

Add ResourceLoader modules to the OutputPage object if debugging is enabled.

Since: 1.19

Parameters

OutputPage $out

Definition at line 120 of file MWDebug.php.

References OutputPage\addModules().

◆ appendDebugInfoToApiResult()

static MWDebug::appendDebugInfoToApiResult	(	IContextSource	$context,
		ApiResult	$result
	)

static

Append the debug info to given ApiResult.

Parameters

IContextSource	$context
ApiResult	$result

Definition at line 504 of file MWDebug.php.

References $context, ApiResult\addValue(), and ApiResult\setIndexedTagName().

◆ clearLog()

static MWDebug::clearLog ( )

static

Clears internal log array and deprecation tracking.

Since: 1.19

Definition at line 159 of file MWDebug.php.

◆ debugMsg()

static MWDebug::debugMsg	(	$str,
		$context = `[]`
	)

static

This is a method to pass messages from wfDebug to the pretty debugger.

Do NOT use this method, use MWDebug::log or wfDebug()

Since: 1.19

Parameters

string	$str
array	$context

Definition at line 347 of file MWDebug.php.

References $context, $wgDebugComments, and $wgShowDebug.

Referenced by MediaWiki\Logger\LegacyLogger\log().

◆ deinit()

static MWDebug::deinit ( )

static

Disable the debugger.

Since: 1.28

Definition at line 109 of file MWDebug.php.

◆ deprecated()

static MWDebug::deprecated	(	$function,
		$version = `false`,
		$component = `false`,
		$callerOffset = `2`
	)

static

Show a warning that $function is deprecated.

This will send it to the following locations:

Debug toolbar, with one item per function and caller, if $wgDebugToolbar is set to true.
PHP's error log, with level E_USER_DEPRECATED, if $wgDevelopmentWarnings is set to true.
MediaWiki's debug log, if $wgDevelopmentWarnings is set to false.

Since: 1.19

Parameters

string	$function	Function that is deprecated.
string \| bool	$version	Version in which the function was deprecated.
string \| bool	$component	Component to which the function belongs. If false, it is assumed the function is in MediaWiki core.
int	$callerOffset	How far up the callstack is the original caller. 2 = function that called the function that called MWDebug::deprecated() (Added in 1.20).

Definition at line 217 of file MWDebug.php.

References $wgDeprecationReleaseLimit, $wgDevelopmentWarnings, and wfBacktrace().

◆ getCallerDescription()

static MWDebug::getCallerDescription ( $callerOffset )

staticprivate

Get an array describing the calling function at a specified offset.

Parameters

int $callerOffset How far up the callstack is the original caller. 0 = function that called getCallerDescription()

Returns: array Array with two keys: 'file' and 'func'

Definition at line 290 of file MWDebug.php.

References $file, and wfDebugBacktrace().

◆ getDebugHTML()

static MWDebug::getDebugHTML ( IContextSource $context )

static

Returns the HTML to add to the page for the toolbar.

Since: 1.19

Parameters

IContextSource $context

Returns: string

Definition at line 444 of file MWDebug.php.

References $context, and $wgDebugComments.

◆ getDebugInfo()

static MWDebug::getDebugInfo ( IContextSource $context )

static

Returns the HTML to add to the page for the toolbar.

Parameters

IContextSource $context

Returns: array

Definition at line 538 of file MWDebug.php.

References $context, $debug, $wgVersion, GitInfo\currentBranch(), GitInfo\headSHA1(), GitInfo\headViewUrl(), GitInfo\isSHA1(), and wfIsHHVM().

◆ getFilesIncluded()

static MWDebug::getFilesIncluded ( IContextSource $context )

staticprotected

Returns a list of files included, along with their size.

Parameters

IContextSource $context

Returns: array

Definition at line 423 of file MWDebug.php.

References $context, and $file.

◆ getHTMLDebugLog()

static MWDebug::getHTMLDebugLog ( )

static

Generate debug log in HTML for displaying at the bottom of the main content area.

If $wgShowDebug is false, an empty string is always returned.

Since: 1.20

Returns: string HTML fragment

Definition at line 478 of file MWDebug.php.

References $line, and $wgShowDebug.

◆ getLog()

static MWDebug::getLog ( )

static

Returns internal log array.

Since: 1.19

Returns: array

Definition at line 151 of file MWDebug.php.

◆ init()

static MWDebug::init ( )

static

Enabled the debugger and load resource module.

This is called by Setup.php when $wgDebugToolbar is true.

Since: 1.19

Definition at line 100 of file MWDebug.php.

◆ log()

static MWDebug::log ( $str )

static

Adds a line to the log.

Since: 1.19

Parameters

mixed $str

Definition at line 132 of file MWDebug.php.

References wfGetCaller().

◆ query()

static MWDebug::query	(	$sql,
		$function,
		$runTime,
		$dbhost
	)

static

Begins profiling on a database query.

Since: 1.19

Parameters

string	$sql
string	$function
float	$runTime	Query run time
string	$dbhost

Returns: bool True if debugger is enabled, false otherwise

Definition at line 378 of file MWDebug.php.

Referenced by MediaWiki\Logger\LegacyLogger\log().

◆ sendMessage()

static MWDebug::sendMessage	(	$msg,
		$caller,
		$group,
		$level
	)

staticprivate

Send a message to the debug log and optionally also trigger a PHP error, depending on the $level argument.

Parameters

string	$msg	Message to send
array	$caller	Caller description get from getCallerDescription()
string	$group	Log group on which to send the message
int \| bool	$level	Error level to use; set to false to not trigger an error

Definition at line 329 of file MWDebug.php.

References wfDebugLog().

◆ setup()

static MWDebug::setup ( )

static

Definition at line 73 of file MWDebug.php.

References $wgCommandLineMode, $wgDebugToolbar, $wgUseCdn, and $wgUseFileCache.

◆ warning()

static MWDebug::warning	(	$msg,
		$callerOffset = `1`,
		$level = `E_USER_NOTICE`,
		$log = `'auto'`
	)

static

Adds a warning entry to the log.

Since: 1.19

Parameters

string	$msg
int	$callerOffset
int	$level	A PHP error level. See sendMessage()
string	$log	'production' will always trigger a php error, 'auto' will trigger an error if $wgDevelopmentWarnings is true, and 'debug' will only write to the debug log(s).

Definition at line 175 of file MWDebug.php.

References $log, and $wgDevelopmentWarnings.

Member Data Documentation

◆ $debug

array MWDebug::$debug = []

staticprotected

Debug messages from wfDebug().

Definition at line 46 of file MWDebug.php.

◆ $deprecationWarnings

array MWDebug::$deprecationWarnings = []

staticprotected

Array of functions that have already been warned, formatted function-caller to prevent a buttload of warnings.

Definition at line 68 of file MWDebug.php.

◆ $enabled

bool MWDebug::$enabled = false

staticprotected

Is the debugger enabled?

Definition at line 60 of file MWDebug.php.

◆ $log

array MWDebug::$log = []

staticprotected

Log lines.

Definition at line 39 of file MWDebug.php.

Referenced by warning().

◆ $query

array MWDebug::$query = []

staticprotected

SQL statements of the database queries.

Definition at line 53 of file MWDebug.php.

The documentation for this class was generated from the following file:

includes/debug/MWDebug.php

Static Public Member Functions

Static Protected Member Functions

Static Protected Attributes

Static Private Member Functions

Detailed Description

Member Function Documentation

◆ addModules()

◆ appendDebugInfoToApiResult()

◆ clearLog()

◆ debugMsg()

◆ deinit()

◆ deprecated()

◆ getCallerDescription()

◆ getDebugHTML()

◆ getDebugInfo()

◆ getFilesIncluded()

◆ getHTMLDebugLog()

◆ getLog()

◆ init()

◆ log()

◆ query()

◆ sendMessage()

◆ setup()

◆ warning()

Member Data Documentation

◆ $debug

◆ $deprecationWarnings

◆ $enabled

◆ $log

◆ $query