Static Public Member Functions
static	getIsoCode ( $code, $name, $class)

static	isValidSerialisedZObject (string $input)

static	isValidZObject ( $input)

static	isValidZObjectList (array $input)

static	isValidZObjectResolver ( $input)

static	isValidZObjectRecord (stdClass $input)

static	canonicalize ( $input)
	Canonicalizes a ZObject.

static	orderZKeyIDs (string $left, string $right)
	Compares IDs of ZKeys in an order.

static	canonicalizeZRecord (stdClass $input)
	Canonicalizes a record-like ZObject.

static	comparableString (string $input)
	Normalise and down-cast a label for database comparison by normalising Unicode, lower-casing, and collapsing accents.

static	filterZMultilingualStringsToLanguage ( $input, array $languages=[])
	Filters ZObject to preferred language.

static	getPreferredMonolingualString (array $multilingualStr, array $languages)
	Filters ZMonolingualString to preferred language.

static	isTypeEqualTo ( $type1, $type2)
	Asserts whether two types are equivalent.

static	isValidZObjectReference (string $input)
	Is the input a ZObject reference key (e.g.

static	isNullReference (string $input)
	Is the input a null reference (Z0)?

static	isValidOrNullZObjectReference (string $input)
	Is the input a ZObject reference key (e.g.

static	isValidId (string $input)
	Is the input a valid possible identifier across WMF projects?

static	isValidZObjectKey (string $input)
	Is the input a ZObject reference key (e.g.

static	isValidZObjectGlobalKey (string $input)
	Is the input a global ZObject reference key (e.g.

static	getZObjectReferenceFromKey (string $input)
	Split out the ZObject reference from a given global reference key (e.g.

static	getIterativeList ( $list)
	Given an array or a ZTypedList, returns an array that can be iterated over.

static	getRequiredZids ( $zobject)

static	getLabelOfReference ( $zid, $zobject, $lang)
	Returns the natural language label of a given Zid in the language passed as parameter or available fallback languages.

static	getLabelOfGlobalKey ( $key, $zobject, $lang)
	Returns the natural language label of a given type key, function argument or error key in the language passed as parameter or available fallback languages.

static	getLabelOfLocalKey ( $key, $zobject, $data, $lang)

static	getLabelOfErrorTypeKey ( $key, $zobject, $lang)
	Returns the natural language label of a given ZKey in the language passed as parameter or available fallback languages.

static	getLabelOfTypeKey ( $key, $zobject, $lang)
	Returns the natural language label of a given ZKey in the language passed as parameter or available fallback languages.

static	getLabelOfFunctionArgument ( $key, $zobject, $lang)
	Returns the natural language label of a given ZArgument in the language passed as parameter or available fallback languages.

static	extractHumanReadableZObject ( $zobject, $data, $lang)
	Translates a serialized ZObject from Zids and ZKeys to natural language in the language passed as parameter or available fallback languages.

static	isCompatibleType (ZObject $accepted, ZObject $input)

static	getZid ( $zobject)
	Get the ZID of the input if it's a persistent ZObject or a reference to one.

static	makeCacheKeyFromZObject ( $query)
	Walk a given input ZObject, and make a cache key constructed of its keys and values, with any ZObject referenced being expanded to also include its revision ID.

Member Function Documentation

◆ canonicalize()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::canonicalize ( $input )

static

Canonicalizes a ZObject.

Parameters

string | array | stdClass $input decoded JSON object for a valid ZObject

Returns: string|array|stdClass canonical decoded JSON object of same ZObject

◆ canonicalizeZRecord()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::canonicalizeZRecord ( stdClass $input )

static

Canonicalizes a record-like ZObject.

This trims and sorts the keys.

Parameters

stdClass $input The decoded JSON object of a well-formed ZObject

Returns: stdClass Canonical decoded JSON object representing the same ZObject

◆ comparableString()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::comparableString ( string $input )

static

Normalise and down-cast a label for database comparison by normalising Unicode, lower-casing, and collapsing accents.

TODO: To consider further changes.

Parameters

string $input The input

Returns: string

◆ extractHumanReadableZObject()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::extractHumanReadableZObject	(	$zobject,
		$data,
		$lang )

static

Translates a serialized ZObject from Zids and ZKeys to natural language in the language passed as parameter or available fallback languages.

Parameters

stdClass \| array \| string	$zobject
ZPersistentObject[]	$data
Language	$lang

Returns: stdClass|array|string

◆ filterZMultilingualStringsToLanguage()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::filterZMultilingualStringsToLanguage	(		$input,
		array	$languages = [] )

static

Filters ZObject to preferred language.

Given a ZObject, reduces all its ZMultilingualStrings to only the preferred language or fallbacks.

Parameters

array \| stdClass \| string	$input	decoded JSON object for a ZObject
string[]	$languages	array of language Zids

Returns: string|array|stdClass same ZObject with only selected Monolingual string for each of its Multilingual strings

◆ getIsoCode()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getIsoCode	(	$code,
		$name,
		$class )

static

Parameters

string	$code	The MW language code
string	$name	The plain text name of the language
string	$class	The name of the class for the HTML element

Returns: string the element to be rendered

◆ getIterativeList()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getIterativeList ( $list )

static

Given an array or a ZTypedList, returns an array that can be iterated over.

Parameters

array | ZTypedList $list

Returns: array

Here is the caller graph for this function:

◆ getLabelOfErrorTypeKey()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getLabelOfErrorTypeKey	(	$key,
		$zobject,
		$lang )

static

Returns the natural language label of a given ZKey in the language passed as parameter or available fallback languages.

If not available, returns the non-translated ZKey.

Parameters

string	$key
ZPersistentObject	$zobject
Language	$lang

Returns: string

◆ getLabelOfFunctionArgument()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getLabelOfFunctionArgument	(	$key,
		$zobject,
		$lang )

static

Returns the natural language label of a given ZArgument in the language passed as parameter or available fallback languages.

If not available, returns the non-translated ZKey.

Parameters

string	$key
ZPersistentObject	$zobject
Language	$lang

Returns: string

◆ getLabelOfGlobalKey()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getLabelOfGlobalKey	(	$key,
		$zobject,
		$lang )

static

Returns the natural language label of a given type key, function argument or error key in the language passed as parameter or available fallback languages.

If not available, returns the untranslated key Id.

Parameters

string	$key
ZPersistentObject	$zobject
Language	$lang

Returns: string

◆ getLabelOfLocalKey()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getLabelOfLocalKey	(	$key,
		$zobject,
		$data,
		$lang )

static

Parameters

string	$key
\stdClass	$zobject
ZPersistentObject[]	$data
Language	$lang

Returns: string

◆ getLabelOfReference()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getLabelOfReference	(	$zid,
		$zobject,
		$lang )

static

Returns the natural language label of a given Zid in the language passed as parameter or available fallback languages.

If not available, returns the non-translated Zid.

Parameters

string	$zid
ZPersistentObject	$zobject
Language	$lang

Returns: string

◆ getLabelOfTypeKey()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getLabelOfTypeKey	(	$key,
		$zobject,
		$lang )

static

Returns the natural language label of a given ZKey in the language passed as parameter or available fallback languages.

If not available, returns the non-translated ZKey.

Parameters

string	$key
ZPersistentObject	$zobject
Language	$lang

Returns: string

◆ getPreferredMonolingualString()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getPreferredMonolingualString	(	array	$multilingualStr,
		array	$languages )

static

Filters ZMonolingualString to preferred language.

Returns the preferred ZMonolingualString of a ZMultilingualString given an array of preferred languages.

Parameters

array	$multilingualStr	decoded JSON for a ZMultilingualString value (Z12K1)
string[]	$languages	array of language Zids

Returns: array same ZMultilingualString value with only one item of the preferred language

◆ getRequiredZids()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getRequiredZids ( $zobject )

static

Parameters

string | array | \stdClass $zobject

Returns: array

◆ getZid()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getZid ( $zobject )

static

Get the ZID of the input if it's a persistent ZObject or a reference to one.

Parameters

mixed $zobject The ZObject to examine for

Returns: string The ZID of the given ZObject, or Z0

Here is the call graph for this function:

◆ getZObjectReferenceFromKey()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::getZObjectReferenceFromKey ( string $input )

static

Split out the ZObject reference from a given global reference key (e.g.

'Z1' from 'Z1K1').

Parameters

string $input

Returns: string

Here is the caller graph for this function:

◆ isCompatibleType()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isCompatibleType	(	ZObject	$accepted,
		ZObject	$input )

static

Parameters

ZObject	$accepted	The ZObject we accept (typically a ZReference)
ZObject	$input	A ZObject we're looking to evaluate whether it's compatible

Returns: bool True if the types are compatible

◆ isNullReference()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isNullReference ( string $input )

static

Is the input a null reference (Z0)?

Parameters

string $input

Returns: bool

◆ isTypeEqualTo()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isTypeEqualTo	(		$type1,
			$type2 )

static

Asserts whether two types are equivalent.

Parameters

stdClass \| string	$type1
stdClass \| string	$type2

Returns: bool

◆ isValidId()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidId ( string $input )

static

Is the input a valid possible identifier across WMF projects?

Parameters

string $input

Returns: bool

Here is the caller graph for this function:

◆ isValidOrNullZObjectReference()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidOrNullZObjectReference ( string $input )

static

Is the input a ZObject reference key (e.g.

Z1 or Z12345)?

Parameters

string $input

Returns: bool

◆ isValidSerialisedZObject()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidSerialisedZObject ( string $input )

static

Parameters

string $input

Returns: bool

Here is the call graph for this function:

◆ isValidZObject()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidZObject ( $input )

static

Parameters

string | array | stdClass $input

Returns: bool

Exceptions

ZErrorException

Here is the caller graph for this function:

◆ isValidZObjectGlobalKey()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidZObjectGlobalKey ( string $input )

static

Is the input a global ZObject reference key (e.g.

Z1K1)?

Parameters

string $input

Returns: bool

◆ isValidZObjectKey()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidZObjectKey ( string $input )

static

Is the input a ZObject reference key (e.g.

Z1K1 or K12345)?

Parameters

string $input

Returns: bool

Here is the caller graph for this function:

◆ isValidZObjectList()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidZObjectList ( array $input )

static

Parameters

array $input

Returns: bool

Exceptions

ZErrorException

◆ isValidZObjectRecord()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidZObjectRecord ( stdClass $input )

static

Parameters

stdClass $input

Returns: bool

Exceptions

ZErrorException

◆ isValidZObjectReference()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidZObjectReference ( string $input )

static

Is the input a ZObject reference key (e.g.

Z1 or Z12345)?

Parameters

string $input

Returns: bool

Here is the caller graph for this function:

◆ isValidZObjectResolver()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::isValidZObjectResolver ( $input )

static

Parameters

mixed $input

Returns: bool

Exceptions

ZErrorException

◆ makeCacheKeyFromZObject()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::makeCacheKeyFromZObject ( $query )

static

Walk a given input ZObject, and make a cache key constructed of its keys and values, with any ZObject referenced being expanded to also include its revision ID.

E.g. { "Z1K1": "Z7", "Z7K1": "Z801", "Z801K1": "Hey" } => 'Z1K1|Z7#1,Z7K1|Z801#2,Z801K1|Hey'

TODO (T338245): Is this cache key too broad? Can we simplify?

TODO (T338246): When a Z7/Function call, we also need to poison the key with the revision ID of the relevant implementation, but we don't know which was selected, as that's the call of the function orchestrator.

Parameters

\stdClass | array $query

Returns: string response object returned by orchestrator

◆ orderZKeyIDs()

static MediaWiki\Extension\WikiLambda\ZObjectUtils::orderZKeyIDs	(	string	$left,
		string	$right )

static

Compares IDs of ZKeys in an order.

First come global ZIDs, then local ones. The globals are sorted first numerically by the Z-Number, and then by the K-Number.

Parameters

string	$left	left key for comparision
string	$right	right key for comparision

Returns: int whether left is smaller (-1) than right or not (+1)

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

includes/ZObjectUtils.php

Static Public Member Functions

Member Function Documentation

◆ canonicalize()

◆ canonicalizeZRecord()

◆ comparableString()

◆ extractHumanReadableZObject()

◆ filterZMultilingualStringsToLanguage()

◆ getIsoCode()

◆ getIterativeList()

◆ getLabelOfErrorTypeKey()

◆ getLabelOfFunctionArgument()

◆ getLabelOfGlobalKey()

◆ getLabelOfLocalKey()

◆ getLabelOfReference()

◆ getLabelOfTypeKey()

◆ getPreferredMonolingualString()

◆ getRequiredZids()

◆ getZid()

◆ getZObjectReferenceFromKey()

◆ isCompatibleType()

◆ isNullReference()

◆ isTypeEqualTo()

◆ isValidId()

◆ isValidOrNullZObjectReference()

◆ isValidSerialisedZObject()

◆ isValidZObject()

◆ isValidZObjectGlobalKey()

◆ isValidZObjectKey()

◆ isValidZObjectList()

◆ isValidZObjectRecord()

◆ isValidZObjectReference()

◆ isValidZObjectResolver()

◆ makeCacheKeyFromZObject()

◆ orderZKeyIDs()