Changeset 37416 for trunk/src/wp-includes/l10n.php

Timestamp:

05/10/2016 08:30:19 PM (8 years ago)

Author:

swissspidy

Message:

I18N: Add changes missed in [37415].

See #34114.

File:

• trunk/src/wp-includes/l10n.php (modified) (2 diffs)

trunk/src/wp-includes/l10n.php

@@ -784 +784 @@
 
 /**
+ * Just in time loading of plugin and theme textdomains.
+ *
+ * When a textdomain is encountered for the first time, we try to load the translation file
+ * from wp-content/languages, removing the need to call `load_plugin_texdomain()` or
+ * `load_theme_texdomain()`. Holds a cached list of available .mo files to improve performance.
+ *
+ * @since 4.6.0
+ * @access private
+ *
+ * @see get_translations_for_domain()
+ *
+ * @param string $domain Text domain. Unique identifier for retrieving translated strings.
+ * @return bool True when the textdomain is successfully loaded, false otherwise.
+ */
+function _load_textdomain_just_in_time( $domain ) {
+    static $cached_mofiles = null;
+
+    // Short-circuit if domain is 'default' which is reserved for core.
+    if ( 'default' === $domain ) {
+        return false;
+    }
+
+    if ( null === $cached_mofiles ) {
+        $cached_mofiles = array();
+
+        $locations = array(
+            WP_LANG_DIR . '/plugins',
+            WP_LANG_DIR . '/themes',
+        );
+
+        foreach ( $locations as $location ) {
+            foreach ( get_available_languages( $location ) as $file ) {
+                $cached_mofiles[] = "{$location}/{$file}.mo";
+            }
+        }
+    }
+
+    $locale = get_locale();
+    $mofile = "{$domain}-{$locale}.mo";
+
+    if ( in_array( WP_LANG_DIR . '/plugins/' . $mofile, $cached_mofiles ) ) {
+        return load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile );
+    }
+
+    if ( in_array( WP_LANG_DIR . '/themes/' . $mofile, $cached_mofiles ) ) {
+        return load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile );
+    }
+
+    return false;
+}
+
+/**
  * Return the Translations instance for a text domain.
  *
@@ -797 +849 @@
 function get_translations_for_domain( $domain ) {
     global $l10n;
-    if ( isset( $l10n[ $domain ] ) ) {
+    if ( isset( $l10n[ $domain ] ) || _load_textdomain_just_in_time( $domain ) ) {
         return $l10n[ $domain ];
     }