LanguageService::loadSingleTableDescription() - Code Metrics - Inspection of "[!!!][TASK] Remove language-related deprecated fun..." - TYPO3/TYPO3.CMS - Measure and Improve Code Quality continuously with Scrutinizer

Completed

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created 2020-05-29 18:58 UTC

LanguageService::loadSingleTableDescription() C

↳ Parent: LanguageService

Complexity

Conditions	14
Paths	36

Size

Total Lines	49
Code Lines	26

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	14
eloc	26
nc	36
nop	1
dl	0
loc	49
rs	6.2666
c	0
b	0
f	0

How to fix Complexity

<?php

/*
 * This file is part of the TYPO3 CMS project.
 *
 * It is free software; you can redistribute it and/or modify it under
 * the terms of the GNU General Public License, either version 2
 * of the License, or any later version.
 *
 * For the full copyright and license information, please read the
 * LICENSE.txt file that was distributed with this source code.
 *
 * The TYPO3 project - inspiring people to share!
 */

namespace TYPO3\CMS\Core\Localization;

use TYPO3\CMS\Core\Authentication\AbstractUserAuthentication;
use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
use TYPO3\CMS\Core\Utility\ArrayUtility;
use TYPO3\CMS\Core\Utility\GeneralUtility;

/**
 * Main API to fetch labels from XLF (label files) based on the current system
 * language of TYPO3. It is able to resolve references to files + their pointers to the
 * proper language. If you see something about "LLL", this class does the trick for you. It
 * is not related for language handling of content, but rather of labels for plugins.
 *
 * Usually this is injected into $GLOBALS['LANG'] when in backend or CLI context, and
 * populated by the current backend user. Don't rely on $GLOBAL['LANG'] in frontend, as it is only
 * available in certain circumstances!
 * In Frontend, this is also used to translate "labels", see TypoScriptFrontendController->sL()
 * for that.
 *
 * As TYPO3 internally does not match the proper ISO locale standard, the "locale" here
 * is actually a list of supported language keys, (see Locales class), whereas "english"
 * has the language key "default".
 *
 * For detailed information about how localization is handled,
 * please refer to the 'Inside TYPO3' document which describes this.
 */
class LanguageService
{
    /**
     * This is set to the language that is currently running for the user
     *
     * @var string
     */
    public $lang = 'default';

    /**
     * If TRUE, will show the key/location of labels in the backend.
     *
     * @var bool
     */
    public $debugKey = false;

    /**
     * Internal cache for read LL-files
     *
     * @var array
     */
    protected $LL_files_cache = [];

    /**
     * Internal cache for ll-labels (filled as labels are requested)
     *
     * @var array
     */
    protected $LL_labels_cache = [];

    /**
     * List of language dependencies for actual language. This is used for local variants of a language
     * that depend on their "main" language, like Brazilian Portuguese or Canadian French.
     *
     * @var array
     */
    protected $languageDependencies = [];

    /**
     * An internal cache for storing loaded files, see readLLfile()
     *
     * @var array
     */
    protected $languageFileCache = [];

    /**
     * @var string[][]
     */
    protected $labels = [];

    /**
     * @var Locales
     */
    protected $locales;

    /**
     * @var LocalizationFactory
     */
    protected $localizationFactory;

    /**
     * @internal use one of the factory methods instead
     */
    public function __construct(Locales $locales, LocalizationFactory $localizationFactory)
    {
        $this->locales = $locales;
        $this->localizationFactory = $localizationFactory;
        $this->debugKey = (bool)$GLOBALS['TYPO3_CONF_VARS']['BE']['languageDebug'];
    }

    /**
     * Initializes the language to fetch XLF labels for.
     * $languageService = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\Localization\LanguageService::class);
     * $languageService->init($GLOBALS['BE_USER']->uc['lang']);
     *
     * @throws \RuntimeException
     * @param string $languageKey The language key (two character string from backend users profile)
     * @internal use one of the factory methods instead
     */
    public function init($languageKey)
    {
        // Find the requested language in this list based on the $languageKey
        // Language is found. Configure it:
        if (in_array($languageKey, $this->locales->getLocales(), true)) {
            // The current language key
            $this->lang = $languageKey;
            $this->languageDependencies[] = $languageKey;
            foreach ($this->locales->getLocaleDependencies($languageKey) as $language) {
                $this->languageDependencies[] = $language;
            }
        }
    }

    /**
     * Debugs localization key.
     *
     * @param string $value value to debug
     * @return string
     */
    protected function debugLL($value)
    {
        return $this->debugKey ? '[' . $value . ']' : '';
    }

    /**
     * Returns the label with key $index from the globally loaded $LOCAL_LANG array.
     * Mostly used from modules with only one LOCAL_LANG file loaded into the global space.
     *
     * @param string $index Label key
     * @return string
     */
    public function getLL($index)
    {
        return $this->getLLL($index, $this->labels);
    }

    /**
     * Returns the label with key $index from the $LOCAL_LANG array used as the second argument
     *
     * @param string $index Label key
     * @param array $localLanguage $LOCAL_LANG array to get label key from
     * @return string
     */
    protected function getLLL($index, $localLanguage)
    {
        // Get Local Language. Special handling for all extensions that
        // read PHP LL files and pass arrays here directly.
        if (isset($localLanguage[$this->lang][$index])) {
            $value = is_string($localLanguage[$this->lang][$index])
                ? $localLanguage[$this->lang][$index]

                : $localLanguage[$this->lang][$index][0]['target'];

        } elseif (isset($localLanguage['default'][$index])) {
            $value = is_string($localLanguage['default'][$index])
                ? $localLanguage['default'][$index]

                : $localLanguage['default'][$index][0]['target'];

        } else {
            $value = '';
        }
        return $value . $this->debugLL($index);
    }

    /**
     * splitLabel function
     *
     * All translations are based on $LOCAL_LANG variables.
     * 'language-splitted' labels can therefore refer to a local-lang file + index.
     * Refer to 'Inside TYPO3' for more details
     *
     * @param string $input Label key/reference
     * @return string
     */
    public function sL($input)
    {
        $identifier = $input . '_' . (int)$this->debugKey;
        if (isset($this->LL_labels_cache[$this->lang][$identifier])) {
            return $this->LL_labels_cache[$this->lang][$identifier];
        }
        if (strpos($input, 'LLL:') === 0) {
            $restStr = trim(substr($input, 4));
            $extPrfx = '';
            // ll-file referred to is found in an extension.
            if (strpos($restStr, 'EXT:') === 0) {
                $restStr = trim(substr($restStr, 4));
                $extPrfx = 'EXT:';
            }
            $parts = explode(':', $restStr);
            $parts[0] = $extPrfx . $parts[0];
            // Getting data if not cached
            if (!isset($this->LL_files_cache[$parts[0]])) {
                $this->LL_files_cache[$parts[0]] = $this->readLLfile($parts[0]);
            }
            $output = $this->getLLL($parts[1], $this->LL_files_cache[$parts[0]]);
        } else {
            // Use a constant non-localizable label
            $output = $input;
        }
        $output .= $this->debugLL($input);
        $this->LL_labels_cache[$this->lang][$identifier] = $output;
        return $output;
    }

    /**
     * Loading $TCA_DESCR[$table]['columns'] with content from locallang files
     * as defined in $TCA_DESCR[$table]['refs']
     * $TCA_DESCR is a global var
     *
     * @param string $table Table name found as key in global array $TCA_DESCR
     * @internal
     */
    public function loadSingleTableDescription($table)
    {
        // First the 'table' cannot already be loaded in [columns]
        // and secondly there must be a references to locallang files available in [refs]
        if (is_array($GLOBALS['TCA_DESCR'][$table]) && !isset($GLOBALS['TCA_DESCR'][$table]['columns']) && is_array($GLOBALS['TCA_DESCR'][$table]['refs'])) {
            // Init $TCA_DESCR for $table-key
            $GLOBALS['TCA_DESCR'][$table]['columns'] = [];
            // Get local-lang for each file in $TCA_DESCR[$table]['refs'] as they are ordered.
            foreach ($GLOBALS['TCA_DESCR'][$table]['refs'] as $llfile) {
                $localLanguage = $this->includeLanguageFileRaw($llfile);
                // Traverse all keys
                if (is_array($localLanguage['default'])) {
                    foreach ($localLanguage['default'] as $lkey => $lVal) {
                        // Exploding by '.':
                        // 0-n => fieldname,
                        // n+1 => type from (alttitle, description, details, syntax, image_descr,image,seeAlso),
                        // n+2 => special instruction, if any
                        $keyParts = explode('.', $lkey);
                        $keyPartsCount = count($keyParts);
                        // Check if last part is special instruction
                        // Only "+" is currently supported
                        $specialInstruction = $keyParts[$keyPartsCount - 1] === '+';
                        if ($specialInstruction) {
                            array_pop($keyParts);
                        }
                        // If there are more than 2 parts, get the type from the last part
                        // and merge back the other parts with a dot (.)
                        // Otherwise just get type and field name straightaway
                        if ($keyPartsCount > 2) {
                            $type = array_pop($keyParts);
                            $fieldName = implode('.', $keyParts);
                        } else {
                            $fieldName = $keyParts[0];
                            $type = $keyParts[1];
                        }
                        // Detecting 'hidden' labels, converting to normal fieldname
                        if ($fieldName === '_') {
                            $fieldName = '';
                        }
                        if ($fieldName !== '' && $fieldName[0] === '_') {
                            $fieldName = substr($fieldName, 1);
                        }
                        // Append label
                        $label = $lVal[0]['target'] ?: $lVal[0]['source'];
                        if ($specialInstruction) {
                            $GLOBALS['TCA_DESCR'][$table]['columns'][$fieldName][$type] .= LF . $label;
                        } else {
                            // Substitute label
                            $GLOBALS['TCA_DESCR'][$table]['columns'][$fieldName][$type] = $label;
                        }
                    }
                }
            }
        }
    }

    /**
     * Includes locallang file (and possibly additional localized version if configured for)
     * Read language labels will be merged with $LOCAL_LANG (if $setGlobal = TRUE).
     *
     * @param string $fileRef $fileRef is a file-reference
     * @return array returns the loaded label file
     */
    public function includeLLFile($fileRef)
    {
        $localLanguage = $this->readLLfile($fileRef);
        if (!empty($localLanguage)) {
            $this->labels = array_replace_recursive($this->labels, $localLanguage);
        }
        return $localLanguage;
    }

    /**
     * Includes a locallang file (and possibly additional localized version if configured for),
     * and then puts everything into "default", so "default" is kept as fallback
     *
     * @param string $fileRef $fileRef is a file-reference
     * @return array
     */
    protected function includeLanguageFileRaw($fileRef)
    {
        $labels = $this->readLLfile($fileRef);
        if (!empty($labels)) {
            // Merge local onto default
            if ($this->lang !== 'default' && is_array($labels[$this->lang]) && is_array($labels['default'])) {
                // array_merge can be used so far the keys are not
                // numeric - which we assume they are not...
                $labels['default'] = array_merge($labels['default'], $labels[$this->lang]);
                unset($labels[$this->lang]);
            }
        }
        return is_array($labels) ? $labels : [];

    }

    /**
     * Includes a locallang file and returns the $LOCAL_LANG array found inside.
     *
     * @param string $fileRef Input is a file-reference to be a 'local_lang' file containing a $LOCAL_LANG array
     * @return array value of $LOCAL_LANG found in the included file, empty if non found
     */
    protected function readLLfile($fileRef): array
    {
        if (isset($this->languageFileCache[$fileRef . $this->lang])) {
            return $this->languageFileCache[$fileRef . $this->lang];
        }

        if ($this->lang !== 'default') {
            $languages = array_reverse($this->languageDependencies);
        } else {
            $languages = ['default'];
        }
        $localLanguage = [];
        foreach ($languages as $language) {
            $tempLL = $this->localizationFactory->getParsedData($fileRef, $language);
            $localLanguage['default'] = $tempLL['default'];
            if (!isset($localLanguage[$this->lang])) {
                $localLanguage[$this->lang] = $localLanguage['default'];
            }
            if ($this->lang !== 'default' && isset($tempLL[$language])) {
                // Merge current language labels onto labels from previous language
                // This way we have a labels with fall back applied
                ArrayUtility::mergeRecursiveWithOverrule($localLanguage[$this->lang], $tempLL[$language], true, false);
            }
        }
        $this->languageFileCache[$fileRef . $this->lang] = $localLanguage;

        return $localLanguage;
    }

    /**
     * Factory method to create a language service object.
     *
     * @param string $locale the locale (= the TYPO3-internal locale given)
     * @return static
     */
    public static function create(string $locale): self
    {
        return GeneralUtility::makeInstance(LanguageServiceFactory::class)->create($locale);
    }

    public static function createFromUserPreferences(?AbstractUserAuthentication $user): self
    {
        if ($user && ($user->uc['lang'] ?? false)) {
            return static::create($user->uc['lang']);
        }
        return static::create('default');
    }

    public static function createFromSiteLanguage(SiteLanguage $language): self
    {
        return static::create($language->getTypo3Language());
    }
}


1			<?php
2
3			/*
4			* This file is part of the TYPO3 CMS project.
5			*
6			* It is free software; you can redistribute it and/or modify it under
7			* the terms of the GNU General Public License, either version 2
8			* of the License, or any later version.
9			*
10			* For the full copyright and license information, please read the
11			* LICENSE.txt file that was distributed with this source code.
12			*
13			* The TYPO3 project - inspiring people to share!
14			*/
15
16			namespace TYPO3\CMS\Core\Localization;
17
18			use TYPO3\CMS\Core\Authentication\AbstractUserAuthentication;
19			use TYPO3\CMS\Core\Site\Entity\SiteLanguage;
20			use TYPO3\CMS\Core\Utility\ArrayUtility;
21			use TYPO3\CMS\Core\Utility\GeneralUtility;
22
23			/**
24			* Main API to fetch labels from XLF (label files) based on the current system
25			* language of TYPO3. It is able to resolve references to files + their pointers to the
26			* proper language. If you see something about "LLL", this class does the trick for you. It
27			* is not related for language handling of content, but rather of labels for plugins.
28			*
29			* Usually this is injected into $GLOBALS['LANG'] when in backend or CLI context, and
30			* populated by the current backend user. Don't rely on $GLOBAL['LANG'] in frontend, as it is only
31			* available in certain circumstances!
32			* In Frontend, this is also used to translate "labels", see TypoScriptFrontendController->sL()
33			* for that.
34			*
35			* As TYPO3 internally does not match the proper ISO locale standard, the "locale" here
36			* is actually a list of supported language keys, (see Locales class), whereas "english"
37			* has the language key "default".
38			*
39			* For detailed information about how localization is handled,
40			* please refer to the 'Inside TYPO3' document which describes this.
41			*/
42			class LanguageService
43			{
44			/**
45			* This is set to the language that is currently running for the user
46			*
47			* @var string
48			*/
49			public $lang = 'default';
50
51			/**
52			* If TRUE, will show the key/location of labels in the backend.
53			*
54			* @var bool
55			*/
56			public $debugKey = false;
57
58			/**
59			* Internal cache for read LL-files
60			*
61			* @var array
62			*/
63			protected $LL_files_cache = [];
64
65			/**
66			* Internal cache for ll-labels (filled as labels are requested)
67			*
68			* @var array
69			*/
70			protected $LL_labels_cache = [];
71
72			/**
73			* List of language dependencies for actual language. This is used for local variants of a language
74			* that depend on their "main" language, like Brazilian Portuguese or Canadian French.
75			*
76			* @var array
77			*/
78			protected $languageDependencies = [];
79
80			/**
81			* An internal cache for storing loaded files, see readLLfile()
82			*
83			* @var array
84			*/
85			protected $languageFileCache = [];
86
87			/**
88			* @var string[][]
89			*/
90			protected $labels = [];
91
92			/**
93			* @var Locales
94			*/
95			protected $locales;
96
97			/**
98			* @var LocalizationFactory
99			*/
100			protected $localizationFactory;
101
102			/**
103			* @internal use one of the factory methods instead
104			*/
105			public function __construct(Locales $locales, LocalizationFactory $localizationFactory)
106			{
107			$this->locales = $locales;
108			$this->localizationFactory = $localizationFactory;
109			$this->debugKey = (bool)$GLOBALS['TYPO3_CONF_VARS']['BE']['languageDebug'];
110			}
111
112			/**
113			* Initializes the language to fetch XLF labels for.
114			* $languageService = \TYPO3\CMS\Core\Utility\GeneralUtility::makeInstance(\TYPO3\CMS\Core\Localization\LanguageService::class);
115			* $languageService->init($GLOBALS['BE_USER']->uc['lang']);
116			*
117			* @throws \RuntimeException
118			* @param string $languageKey The language key (two character string from backend users profile)
119			* @internal use one of the factory methods instead
120			*/
121			public function init($languageKey)
122			{
123			// Find the requested language in this list based on the $languageKey
124			// Language is found. Configure it:
125			if (in_array($languageKey, $this->locales->getLocales(), true)) {
126			// The current language key
127			$this->lang = $languageKey;
128			$this->languageDependencies[] = $languageKey;
129			foreach ($this->locales->getLocaleDependencies($languageKey) as $language) {
130			$this->languageDependencies[] = $language;
131			}
132			}
133			}
134
135			/**
136			* Debugs localization key.
137			*
138			* @param string $value value to debug
139			* @return string
140			*/
141			protected function debugLL($value)
142			{
143			return $this->debugKey ? '[' . $value . ']' : '';
144			}
145
146			/**
147			* Returns the label with key $index from the globally loaded $LOCAL_LANG array.
148			* Mostly used from modules with only one LOCAL_LANG file loaded into the global space.
149			*
150			* @param string $index Label key
151			* @return string
152			*/
153			public function getLL($index)
154			{
155			return $this->getLLL($index, $this->labels);
156			}
157
158			/**
159			* Returns the label with key $index from the $LOCAL_LANG array used as the second argument
160			*
161			* @param string $index Label key
162			* @param array $localLanguage $LOCAL_LANG array to get label key from
163			* @return string
164			*/
165			protected function getLLL($index, $localLanguage)
166			{
167			// Get Local Language. Special handling for all extensions that
168			// read PHP LL files and pass arrays here directly.
169			if (isset($localLanguage[$this->lang][$index])) {
170			$value = is_string($localLanguage[$this->lang][$index])
171			? $localLanguage[$this->lang][$index]
			0 ignored issues – show Coding Style introduced 2018-10-19 06:57 UTC by Report Bug Copy Issue Report Expected 1 space before "?"; newline found Loading history...
172			: $localLanguage[$this->lang][$index][0]['target'];
			0 ignored issues – show Coding Style introduced 2018-10-19 06:57 UTC by Report Bug Copy Issue Report Expected 1 space before ":"; newline found Loading history...
173			} elseif (isset($localLanguage['default'][$index])) {
174			$value = is_string($localLanguage['default'][$index])
175			? $localLanguage['default'][$index]
			0 ignored issues – show Coding Style introduced 2018-10-19 06:57 UTC by Report Bug Copy Issue Report Expected 1 space before "?"; newline found Loading history...
176			: $localLanguage['default'][$index][0]['target'];
			0 ignored issues – show Coding Style introduced 2018-10-19 06:57 UTC by Report Bug Copy Issue Report Expected 1 space before ":"; newline found Loading history...
177			} else {
178			$value = '';
179			}
180			return $value . $this->debugLL($index);
181			}
182
183			/**
184			* splitLabel function
185			*
186			* All translations are based on $LOCAL_LANG variables.
187			* 'language-splitted' labels can therefore refer to a local-lang file + index.
188			* Refer to 'Inside TYPO3' for more details
189			*
190			* @param string $input Label key/reference
191			* @return string
192			*/
193			public function sL($input)
194			{
195			$identifier = $input . '_' . (int)$this->debugKey;
196			if (isset($this->LL_labels_cache[$this->lang][$identifier])) {
197			return $this->LL_labels_cache[$this->lang][$identifier];
198			}
199			if (strpos($input, 'LLL:') === 0) {
200			$restStr = trim(substr($input, 4));
201			$extPrfx = '';
202			// ll-file referred to is found in an extension.
203			if (strpos($restStr, 'EXT:') === 0) {
204			$restStr = trim(substr($restStr, 4));
205			$extPrfx = 'EXT:';
206			}
207			$parts = explode(':', $restStr);
208			$parts[0] = $extPrfx . $parts[0];
209			// Getting data if not cached
210			if (!isset($this->LL_files_cache[$parts[0]])) {
211			$this->LL_files_cache[$parts[0]] = $this->readLLfile($parts[0]);
212			}
213			$output = $this->getLLL($parts[1], $this->LL_files_cache[$parts[0]]);
214			} else {
215			// Use a constant non-localizable label
216			$output = $input;
217			}
218			$output .= $this->debugLL($input);
219			$this->LL_labels_cache[$this->lang][$identifier] = $output;
220			return $output;
221			}
222
223			/**
224			* Loading $TCA_DESCR[$table]['columns'] with content from locallang files
225			* as defined in $TCA_DESCR[$table]['refs']
226			* $TCA_DESCR is a global var
227			*
228			* @param string $table Table name found as key in global array $TCA_DESCR
229			* @internal
230			*/
231			public function loadSingleTableDescription($table)
232			{
233			// First the 'table' cannot already be loaded in [columns]
234			// and secondly there must be a references to locallang files available in [refs]
235			if (is_array($GLOBALS['TCA_DESCR'][$table]) && !isset($GLOBALS['TCA_DESCR'][$table]['columns']) && is_array($GLOBALS['TCA_DESCR'][$table]['refs'])) {
236			// Init $TCA_DESCR for $table-key
237			$GLOBALS['TCA_DESCR'][$table]['columns'] = [];
238			// Get local-lang for each file in $TCA_DESCR[$table]['refs'] as they are ordered.
239			foreach ($GLOBALS['TCA_DESCR'][$table]['refs'] as $llfile) {
240			$localLanguage = $this->includeLanguageFileRaw($llfile);
241			// Traverse all keys
242			if (is_array($localLanguage['default'])) {
243			foreach ($localLanguage['default'] as $lkey => $lVal) {
244			// Exploding by '.':
245			// 0-n => fieldname,
246			// n+1 => type from (alttitle, description, details, syntax, image_descr,image,seeAlso),
247			// n+2 => special instruction, if any
248			$keyParts = explode('.', $lkey);
249			$keyPartsCount = count($keyParts);
250			// Check if last part is special instruction
251			// Only "+" is currently supported
252			$specialInstruction = $keyParts[$keyPartsCount - 1] === '+';
253			if ($specialInstruction) {
254			array_pop($keyParts);
255			}
256			// If there are more than 2 parts, get the type from the last part
257			// and merge back the other parts with a dot (.)
258			// Otherwise just get type and field name straightaway
259			if ($keyPartsCount > 2) {
260			$type = array_pop($keyParts);
261			$fieldName = implode('.', $keyParts);
262			} else {
263			$fieldName = $keyParts[0];
264			$type = $keyParts[1];
265			}
266			// Detecting 'hidden' labels, converting to normal fieldname
267			if ($fieldName === '_') {
268			$fieldName = '';
269			}
270			if ($fieldName !== '' && $fieldName[0] === '_') {
271			$fieldName = substr($fieldName, 1);
272			}
273			// Append label
274			$label = $lVal[0]['target'] ?: $lVal[0]['source'];
275			if ($specialInstruction) {
276			$GLOBALS['TCA_DESCR'][$table]['columns'][$fieldName][$type] .= LF . $label;
277			} else {
278			// Substitute label
279			$GLOBALS['TCA_DESCR'][$table]['columns'][$fieldName][$type] = $label;
280			}
281			}
282			}
283			}
284			}
285			}
286
287			/**
288			* Includes locallang file (and possibly additional localized version if configured for)
289			* Read language labels will be merged with $LOCAL_LANG (if $setGlobal = TRUE).
290			*
291			* @param string $fileRef $fileRef is a file-reference
292			* @return array returns the loaded label file
293			*/
294			public function includeLLFile($fileRef)
295			{
296			$localLanguage = $this->readLLfile($fileRef);
297			if (!empty($localLanguage)) {
298			$this->labels = array_replace_recursive($this->labels, $localLanguage);
299			}
300			return $localLanguage;
301			}
302
303			/**
304			* Includes a locallang file (and possibly additional localized version if configured for),
305			* and then puts everything into "default", so "default" is kept as fallback
306			*
307			* @param string $fileRef $fileRef is a file-reference
308			* @return array
309			*/
310			protected function includeLanguageFileRaw($fileRef)
311			{
312			$labels = $this->readLLfile($fileRef);
313			if (!empty($labels)) {
314			// Merge local onto default
315			if ($this->lang !== 'default' && is_array($labels[$this->lang]) && is_array($labels['default'])) {
316			// array_merge can be used so far the keys are not
317			// numeric - which we assume they are not...
318			$labels['default'] = array_merge($labels['default'], $labels[$this->lang]);
319			unset($labels[$this->lang]);
320			}
321			}
322			return is_array($labels) ? $labels : [];
			0 ignored issues – show introduced 2020-05-29 19:12 UTC by Report Bug Copy Issue Report The condition `is_array($labels)` is always `true`. Loading history...
323			}
324
325			/**
326			* Includes a locallang file and returns the $LOCAL_LANG array found inside.
327			*
328			* @param string $fileRef Input is a file-reference to be a 'local_lang' file containing a $LOCAL_LANG array
329			* @return array value of $LOCAL_LANG found in the included file, empty if non found
330			*/
331			protected function readLLfile($fileRef): array
332			{
333			if (isset($this->languageFileCache[$fileRef . $this->lang])) {
334			return $this->languageFileCache[$fileRef . $this->lang];
335			}
336
337			if ($this->lang !== 'default') {
338			$languages = array_reverse($this->languageDependencies);
339			} else {
340			$languages = ['default'];
341			}
342			$localLanguage = [];
343			foreach ($languages as $language) {
344			$tempLL = $this->localizationFactory->getParsedData($fileRef, $language);
345			$localLanguage['default'] = $tempLL['default'];
346			if (!isset($localLanguage[$this->lang])) {
347			$localLanguage[$this->lang] = $localLanguage['default'];
348			}
349			if ($this->lang !== 'default' && isset($tempLL[$language])) {
350			// Merge current language labels onto labels from previous language
351			// This way we have a labels with fall back applied
352			ArrayUtility::mergeRecursiveWithOverrule($localLanguage[$this->lang], $tempLL[$language], true, false);
353			}
354			}
355			$this->languageFileCache[$fileRef . $this->lang] = $localLanguage;
356
357			return $localLanguage;
358			}
359
360			/**
361			* Factory method to create a language service object.
362			*
363			* @param string $locale the locale (= the TYPO3-internal locale given)
364			* @return static
365			*/
366			public static function create(string $locale): self
367			{
368			return GeneralUtility::makeInstance(LanguageServiceFactory::class)->create($locale);
369			}
370
371			public static function createFromUserPreferences(?AbstractUserAuthentication $user): self
372			{
373			if ($user && ($user->uc['lang'] ?? false)) {
374			return static::create($user->uc['lang']);
375			}
376			return static::create('default');
377			}
378
379			public static function createFromSiteLanguage(SiteLanguage $language): self
380			{
381			return static::create($language->getTypo3Language());
382			}
383			}
384

TYPO3 / TYPO3.CMS

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LanguageService::loadSingleTableDescription() C

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