mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/TemplateData
synced 2024-12-22 12:42:47 +00:00
b626bd18d3
Changes to the use statements done automatically via script Addition of missing use statements done manually Change-Id: I8e049e495a0d0f3a0e1ee02a8252354b12604bf9
448 lines
12 KiB
PHP
448 lines
12 KiB
PHP
<?php
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namespace MediaWiki\Extension\TemplateData;
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use MediaWiki\Status\Status;
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use stdClass;
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/**
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* @license GPL-2.0-or-later
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*/
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class TemplateDataValidator {
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public const PREDEFINED_FORMATS = [
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'block' => "{{_\n| _ = _\n}}",
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'inline' => '{{_|_=_}}',
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];
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private const VALID_ROOT_KEYS = [
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'description',
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'params',
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'paramOrder',
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'sets',
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'maps',
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'format',
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];
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private const VALID_PARAM_KEYS = [
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'label',
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'required',
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'suggested',
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'description',
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'example',
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'deprecated',
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'aliases',
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'autovalue',
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'default',
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'inherits',
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'type',
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'suggestedvalues',
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];
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private const VALID_TYPES = [
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'content',
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'line',
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'number',
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'boolean',
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'string',
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'date',
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'unbalanced-wikitext',
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'unknown',
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'url',
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'wiki-page-name',
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'wiki-user-name',
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'wiki-file-name',
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'wiki-template-name',
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];
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/** @var string[] */
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private array $validParameterTypes;
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/**
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* @param string[] $additionalParameterTypes
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*/
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public function __construct( array $additionalParameterTypes ) {
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$this->validParameterTypes = array_merge( self::VALID_TYPES, $additionalParameterTypes );
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}
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/**
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* @param mixed $data
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*
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* @return Status
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*/
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public function validate( $data ): Status {
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if ( $data === null ) {
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return Status::newFatal( 'templatedata-invalid-parse' );
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}
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if ( !( $data instanceof stdClass ) ) {
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return Status::newFatal( 'templatedata-invalid-type', 'templatedata', 'object' );
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}
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foreach ( $data as $key => $value ) {
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if ( !in_array( $key, self::VALID_ROOT_KEYS ) ) {
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return Status::newFatal( 'templatedata-invalid-unknown', $key );
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}
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}
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// Root.description
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if ( isset( $data->description ) ) {
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if ( !$this->isValidInterfaceText( $data->description ) ) {
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return Status::newFatal( 'templatedata-invalid-type', 'description',
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'string|object' );
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}
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}
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// Root.format
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if ( isset( $data->format ) ) {
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if ( !is_string( $data->format ) ||
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!( isset( self::PREDEFINED_FORMATS[$data->format] ) ||
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$this->isValidCustomFormatString( $data->format )
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)
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) {
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return Status::newFatal( 'templatedata-invalid-format', 'format' );
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}
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}
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// Root.params
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if ( !isset( $data->params ) ) {
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return Status::newFatal( 'templatedata-invalid-missing', 'params', 'object' );
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}
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if ( !( $data->params instanceof stdClass ) ) {
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return Status::newFatal( 'templatedata-invalid-type', 'params', 'object' );
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}
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return $this->validateParameters( $data->params ) ??
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$this->validateParameterOrder( $data->paramOrder ?? null, $data->params ) ??
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$this->validateSets( $data->sets ?? [], $data->params ) ??
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$this->validateMaps( $data->maps ?? (object)[], $data->params ) ??
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Status::newGood( $data );
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}
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/**
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* @param stdClass $params
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* @return Status|null Null on success, otherwise a Status object with the error message
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*/
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private function validateParameters( stdClass $params ): ?Status {
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foreach ( $params as $paramName => $param ) {
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if ( trim( $paramName ) === '' ) {
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return Status::newFatal( 'templatedata-invalid-unnamed-parameter' );
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}
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if ( !( $param instanceof stdClass ) ) {
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return Status::newFatal( 'templatedata-invalid-type', "params.{$paramName}",
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'object' );
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}
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$status = $this->validateParameter( $paramName, $param );
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if ( $status ) {
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return $status;
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}
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if ( isset( $param->inherits ) && !isset( $params->{ $param->inherits } ) ) {
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return Status::newFatal( 'templatedata-invalid-missing',
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"params.{$param->inherits}" );
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}
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}
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return null;
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}
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/**
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* @param string $paramName
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* @param stdClass $param
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* @return Status|null Null on success, otherwise a Status object with the error message
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*/
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private function validateParameter( string $paramName, stdClass $param ): ?Status {
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foreach ( $param as $key => $value ) {
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if ( !in_array( $key, self::VALID_PARAM_KEYS ) ) {
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return Status::newFatal( 'templatedata-invalid-unknown',
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"params.{$paramName}.{$key}" );
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}
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}
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// Param.label
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if ( isset( $param->label ) ) {
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if ( !$this->isValidInterfaceText( $param->label ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.label", 'string|object' );
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}
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}
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// Param.required
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if ( isset( $param->required ) ) {
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if ( !is_bool( $param->required ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.required", 'boolean' );
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}
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}
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// Param.suggested
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if ( isset( $param->suggested ) ) {
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if ( !is_bool( $param->suggested ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.suggested", 'boolean' );
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}
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}
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// Param.description
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if ( isset( $param->description ) ) {
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if ( !$this->isValidInterfaceText( $param->description ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.description", 'string|object' );
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}
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}
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// Param.example
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if ( isset( $param->example ) ) {
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if ( !$this->isValidInterfaceText( $param->example ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.example", 'string|object' );
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}
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}
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// Param.deprecated
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if ( isset( $param->deprecated ) ) {
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if ( !is_bool( $param->deprecated ) && !is_string( $param->deprecated ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.deprecated", 'boolean|string' );
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}
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}
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// Param.aliases
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if ( isset( $param->aliases ) ) {
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if ( !is_array( $param->aliases ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.aliases", 'array' );
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}
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foreach ( $param->aliases as $i => $alias ) {
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if ( !is_int( $alias ) && !is_string( $alias ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.aliases[$i]", 'int|string' );
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}
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}
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}
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// Param.autovalue
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if ( isset( $param->autovalue ) ) {
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if ( !is_string( $param->autovalue ) ) {
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// TODO: Validate the autovalue values.
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.autovalue", 'string' );
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}
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}
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// Param.default
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if ( isset( $param->default ) ) {
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if ( !$this->isValidInterfaceText( $param->default ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.default", 'string|object' );
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}
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}
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// Param.type
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if ( isset( $param->type ) ) {
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if ( !is_string( $param->type ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.type", 'string' );
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}
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if ( !in_array( $param->type, $this->validParameterTypes ) ) {
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return Status::newFatal( 'templatedata-invalid-value',
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'params.' . $paramName . '.type' );
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}
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}
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// Param.suggestedvalues
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if ( isset( $param->suggestedvalues ) ) {
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if ( !is_array( $param->suggestedvalues ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.suggestedvalues", 'array' );
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}
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foreach ( $param->suggestedvalues as $i => $value ) {
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if ( !is_string( $value ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"params.{$paramName}.suggestedvalues[$i]", 'string' );
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}
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}
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}
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return null;
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}
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/**
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* @param mixed $paramOrder
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* @param stdClass $params
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*
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* @return Status|null
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*/
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private function validateParameterOrder( $paramOrder, stdClass $params ): ?Status {
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if ( $paramOrder === null ) {
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return null;
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} elseif ( !is_array( $paramOrder ) ) {
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return Status::newFatal( 'templatedata-invalid-type', 'paramOrder', 'array' );
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} elseif ( count( $paramOrder ) < count( (array)$params ) ) {
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$missing = array_diff( array_keys( (array)$params ), $paramOrder );
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return Status::newFatal( 'templatedata-invalid-missing',
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'paramOrder[ "' . implode( '", "', $missing ) . '" ]' );
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}
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// Validate each of the values corresponds to a parameter and that there are no
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// duplicates
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$seen = [];
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foreach ( $paramOrder as $i => $param ) {
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if ( !isset( $params->$param ) ) {
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return Status::newFatal( 'templatedata-invalid-value', "paramOrder[ \"$param\" ]" );
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}
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if ( isset( $seen[$param] ) ) {
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return Status::newFatal( 'templatedata-invalid-duplicate-value',
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"paramOrder[$i]", "paramOrder[{$seen[$param]}]", $param );
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}
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$seen[$param] = $i;
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}
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return null;
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}
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/**
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* @param mixed $sets
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* @param stdClass $params
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*
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* @return Status|null
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*/
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private function validateSets( $sets, stdClass $params ): ?Status {
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if ( !is_array( $sets ) ) {
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return Status::newFatal( 'templatedata-invalid-type', 'sets', 'array' );
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}
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foreach ( $sets as $setNr => $setObj ) {
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if ( !( $setObj instanceof stdClass ) ) {
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return Status::newFatal( 'templatedata-invalid-value', "sets.{$setNr}" );
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}
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if ( !isset( $setObj->label ) ) {
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return Status::newFatal( 'templatedata-invalid-missing', "sets.{$setNr}.label",
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'string|object' );
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}
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if ( !$this->isValidInterfaceText( $setObj->label ) ) {
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return Status::newFatal( 'templatedata-invalid-type', "sets.{$setNr}.label",
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'string|object' );
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}
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if ( !isset( $setObj->params ) ) {
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return Status::newFatal( 'templatedata-invalid-missing', "sets.{$setNr}.params",
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'array' );
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}
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if ( !is_array( $setObj->params ) ) {
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return Status::newFatal( 'templatedata-invalid-type', "sets.{$setNr}.params",
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'array' );
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}
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if ( !count( $setObj->params ) ) {
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return Status::newFatal( 'templatedata-invalid-empty-array',
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"sets.{$setNr}.params" );
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}
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foreach ( $setObj->params as $i => $param ) {
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if ( !isset( $params->$param ) ) {
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return Status::newFatal( 'templatedata-invalid-value',
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"sets.{$setNr}.params[$i]" );
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}
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}
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}
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return null;
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}
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/**
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* @param mixed $maps
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* @param stdClass $params
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*
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* @return Status|null
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*/
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private function validateMaps( $maps, stdClass $params ): ?Status {
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if ( !( $maps instanceof stdClass ) ) {
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return Status::newFatal( 'templatedata-invalid-type', 'maps', 'object' );
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}
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foreach ( $maps as $consumerId => $map ) {
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if ( !( $map instanceof stdClass ) ) {
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return Status::newFatal( 'templatedata-invalid-type', "maps.$consumerId",
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'object' );
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}
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foreach ( $map as $key => $value ) {
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// Key is not validated as this is used by a third-party application
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// Value must be 2d array of parameter names, 1d array of parameter names, or valid
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// parameter name
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if ( is_array( $value ) ) {
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foreach ( $value as $key2 => $value2 ) {
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if ( is_array( $value2 ) ) {
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foreach ( $value2 as $key3 => $value3 ) {
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if ( !is_string( $value3 ) ) {
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return Status::newFatal( 'templatedata-invalid-type',
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"maps.{$consumerId}.{$key}[$key2][$key3]", 'string' );
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}
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if ( !isset( $params->$value3 ) ) {
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return Status::newFatal( 'templatedata-invalid-param', $value3,
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"maps.$consumerId.{$key}[$key2][$key3]" );
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}
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}
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} elseif ( is_string( $value2 ) ) {
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if ( !isset( $params->$value2 ) ) {
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return Status::newFatal( 'templatedata-invalid-param', $value2,
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"maps.$consumerId.{$key}[$key2]" );
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}
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} else {
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return Status::newFatal( 'templatedata-invalid-type',
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"maps.{$consumerId}.{$key}[$key2]", 'string|array' );
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}
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}
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} elseif ( is_string( $value ) ) {
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if ( !isset( $params->$value ) ) {
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return Status::newFatal( 'templatedata-invalid-param', $value,
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"maps.{$consumerId}.{$key}" );
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}
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} else {
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return Status::newFatal( 'templatedata-invalid-type',
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"maps.{$consumerId}.{$key}", 'string|array' );
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}
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}
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}
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return null;
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}
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private function isValidCustomFormatString( ?string $format ): bool {
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return $format && preg_match( '/^\n?{{ *_+\n? *\|\n? *_+ *= *_+\n? *}}\n?$/', $format );
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}
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/**
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* @param mixed $text
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* @return bool
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*/
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private function isValidInterfaceText( $text ): bool {
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if ( $text instanceof stdClass ) {
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$isEmpty = true;
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// An (array) cast would return private/protected properties as well
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foreach ( get_object_vars( $text ) as $languageCode => $string ) {
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// TODO: Do we need to validate if these are known interface language codes?
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if ( !is_string( $languageCode ) ||
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ltrim( $languageCode ) === '' ||
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!is_string( $string )
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) {
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return false;
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}
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$isEmpty = false;
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}
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return !$isEmpty;
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}
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return is_string( $text );
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}
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}
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