Cara Mengatasi WordPress Error Call to undefined function trailingslashit()

1<?php2/**3 * Locale API: WP_Textdomain_Registry class.4 *5 * This file uses rtrim() instead of untrailingslashit() and trailingslashit()6 * to avoid formatting.php dependency.7 *8 * @package WordPress9 * @subpackage i18n10 * @since 6.1.011 */12
13/**14 * Core class used for registering text domains.15 *16 * @since 6.1.017 */18#[AllowDynamicProperties]19class WP_Textdomain_Registry {20	/**21	 * List of domains and all their language directory paths for each locale.22	 *23	 * @since 6.1.024	 *25	 * @var array26	 */27	protected $all = array();28
29	/**30	 * List of domains and their language directory path for the current (most recent) locale.31	 *32	 * @since 6.1.033	 *34	 * @var array35	 */36	protected $current = array();37
38	/**39	 * List of domains and their custom language directory paths.40	 *41	 * @see load_plugin_textdomain()42	 * @see load_theme_textdomain()43	 *44	 * @since 6.1.045	 *46	 * @var array47	 */48	protected $custom_paths = array();49
50	/**51	 * Holds a cached list of available .mo files to improve performance.52	 *53	 * @since 6.1.054	 *55	 * @var array56	 */57	protected $cached_mo_files = array();58
59	/**60	 * Holds a cached list of domains with translations to improve performance.61	 *62	 * @since 6.2.063	 *64	 * @var string[]65	 */66	protected $domains_with_translations = array();67
68	/**69	 * Returns the languages directory path for a specific domain and locale.70	 *71	 * @since 6.1.072	 *73	 * @param string $domain Text domain.74	 * @param string $locale Locale.75	 *76	 * @return string|false MO file path or false if there is none available.77	 */78	public function get( $domain, $locale ) {79		if ( isset( $this->all[ $domain ][ $locale ] ) ) {80			return $this->all[ $domain ][ $locale ];81		}82
83		return $this->get_path_from_lang_dir( $domain, $locale );84	}85
86	/**87	 * Determines whether any MO file paths are available for the domain.88	 *89	 * This is the case if a path has been set for the current locale,90	 * or if there is no information stored yet, in which case91	 * {@see _load_textdomain_just_in_time()} will fetch the information first.92	 *93	 * @since 6.1.094	 *95	 * @param string $domain Text domain.96	 * @return bool Whether any MO file paths are available for the domain.97	 */98	public function has( $domain ) {99		return (100			! empty( $this->current[ $domain ] ) ||101			empty( $this->all[ $domain ] ) ||102			in_array( $domain, $this->domains_with_translations, true )103		);104	}105
106	/**107	 * Sets the language directory path for a specific domain and locale.108	 *109	 * Also sets the 'current' property for direct access110	 * to the path for the current (most recent) locale.111	 *112	 * @since 6.1.0113	 *114	 * @param string       $domain Text domain.115	 * @param string       $locale Locale.116	 * @param string|false $path   Language directory path or false if there is none available.117	 */118	public function set( $domain, $locale, $path ) {119		$this->all[ $domain ][ $locale ] = $path ? rtrim( $path, '/' ) . '/' : false;120		$this->current[ $domain ]        = $this->all[ $domain ][ $locale ];121	}122
123	/**124	 * Sets the custom path to the plugin's/theme's languages directory.125	 *126	 * Used by {@see load_plugin_textdomain()} and {@see load_theme_textdomain()}.127	 *128	 * @since 6.1.0129	 *130	 * @param string $domain Text domain.131	 * @param string $path   Language directory path.132	 */133	public function set_custom_path( $domain, $path ) {134		$this->custom_paths[ $domain ] = rtrim( $path, '/' );135	}136
137	/**138	 * Returns possible language directory paths for a given text domain.139	 *140	 * @since 6.2.0141	 *142	 * @param string $domain Text domain.143	 * @return string[] Array of language directory paths.144	 */145	private function get_paths_for_domain( $domain ) {146		$locations = array(147			WP_LANG_DIR . '/plugins',148			WP_LANG_DIR . '/themes',149		);150
151		if ( isset( $this->custom_paths[ $domain ] ) ) {152			$locations[] = $this->custom_paths[ $domain ];153		}154
155		return $locations;156	}157
158	/**159	 * Gets the path to the language directory for the current locale.160	 *161	 * Checks the plugins and themes language directories as well as any162	 * custom directory set via {@see load_plugin_textdomain()} or {@see load_theme_textdomain()}.163	 *164	 * @since 6.1.0165	 *166	 * @see _get_path_to_translation_from_lang_dir()167	 *168	 * @param string $domain Text domain.169	 * @param string $locale Locale.170	 * @return string|false Language directory path or false if there is none available.171	 */172	private function get_path_from_lang_dir( $domain, $locale ) {173		$locations = $this->get_paths_for_domain( $domain );174
175		$found_location = false;176
177		foreach ( $locations as $location ) {178			if ( ! isset( $this->cached_mo_files[ $location ] ) ) {179				$this->set_cached_mo_files( $location );180			}181
182			$path = "$location/$domain-$locale.mo";183
184			foreach ( $this->cached_mo_files[ $location ] as $mo_path ) {185				if (186					! in_array( $domain, $this->domains_with_translations, true ) &&187					str_starts_with( str_replace( "$location/", '', $mo_path ), "$domain-" )188				) {189					$this->domains_with_translations[] = $domain;190				}191
192				if ( $mo_path === $path ) {193					$found_location = rtrim( $location, '/' ) . '/';194				}195			}196		}197
198		if ( $found_location ) {199			$this->set( $domain, $locale, $found_location );200
201			return $found_location;202		}203
204		// If no path is found for the given locale and a custom path has been set205		// using load_plugin_textdomain/load_theme_textdomain, use that one.206		if ( 'en_US' !== $locale && isset( $this->custom_paths[ $domain ] ) ) {207			$fallback_location = rtrim( $this->custom_paths[ $domain ], '/' ) . '/';208			$this->set( $domain, $locale, $fallback_location );209			return $fallback_location;210		}211
212		$this->set( $domain, $locale, false );213
214		return false;215	}216
217	/**218	 * Reads and caches all available MO files from a given directory.219	 *220	 * @since 6.1.0221	 *222	 * @param string $path Language directory path.223	 */224	private function set_cached_mo_files( $path ) {225		$this->cached_mo_files[ $path ] = array();226
227		$mo_files = glob( $path . '/*.mo' );228
229		if ( $mo_files ) {230			$this->cached_mo_files[ $path ] = $mo_files;231		}232	}233}