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I18N: Reverse the order of loading plugin and theme translations. 

`load_theme_textdomain()`, `load_plugin_textdomain()` and `load_muplugin_textdomain()` now try to load the .mo file from the `wp-content/languages` directory first. After the introduction of language packs, translation files are more likely to be located there.

Props swissspidy, sebastian.pisula.
Fixes #34213.

git-svn-id: https://develop.svn.wordpress.org/trunk@37414 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Pascal Birchler 2016-05-10 18:49:21 +00:00
parent c9570340dd
commit 8dcef2785b
1 changed files with 33 additions and 30 deletions
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63
src/wp-includes/l10n.php
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@ -655,6 +655,7 @@ function load_default_textdomain( $locale = null ) {
* The .mo file should be named based on the text domain with a dash, and then the locale exactly.
*
* @since 1.5.0
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
*
* @param string $domain Unique identifier for retrieving translated strings
* @param string $deprecated Use the $plugin_rel_path parameter instead.
@ -663,7 +664,6 @@ function load_default_textdomain( $locale = null ) {
* @return bool True when textdomain is successfully loaded, false otherwise.
*/
function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path = false ) {
$locale = get_locale();
/**
* Filter a plugin's locale.
*
@ -672,9 +672,16 @@ function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path
* @param string $locale The plugin's current locale.
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
*/
$locale = apply_filters( 'plugin_locale', $locale, $domain );
$locale = apply_filters( 'plugin_locale', get_locale(), $domain );
if ( false !== $plugin_rel_path ) {
$mofile = $domain . '-' . $locale . '.mo';
// Try to load from the languages directory first.
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) {
return true;
}
if ( false !== $plugin_rel_path ) {
$path = WP_PLUGIN_DIR . '/' . trim( $plugin_rel_path, '/' );
} elseif ( false !== $deprecated ) {
_deprecated_argument( __FUNCTION__, '2.7' );
@ -683,20 +690,14 @@ function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path
$path = WP_PLUGIN_DIR;
}
// Load the textdomain according to the plugin first
$mofile = $domain . '-' . $locale . '.mo';
if ( $loaded = load_textdomain( $domain, $path . '/'. $mofile ) )
return $loaded;
// Otherwise, load from the languages directory
$mofile = WP_LANG_DIR . '/plugins/' . $mofile;
return load_textdomain( $domain, $mofile );
return load_textdomain( $domain, $path . '/' . $mofile );
}
/**
* Load the translated strings for a plugin residing in the mu-plugins directory.
*
* @since 3.0.0
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param string $mu_plugin_rel_path Relative to WPMU_PLUGIN_DIR directory in which the .mo file resides.
@ -706,16 +707,17 @@ function load_plugin_textdomain( $domain, $deprecated = false, $plugin_rel_path
function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
/** This filter is documented in wp-includes/l10n.php */
$locale = apply_filters( 'plugin_locale', get_locale(), $domain );
$mofile = $domain . '-' . $locale . '.mo';
// Try to load from the languages directory first.
if ( load_textdomain( $domain, WP_LANG_DIR . '/plugins/' . $mofile ) ) {
return true;
}
$path = trailingslashit( WPMU_PLUGIN_DIR . '/' . ltrim( $mu_plugin_rel_path, '/' ) );
// Load the textdomain according to the plugin first
$mofile = $domain . '-' . $locale . '.mo';
if ( $loaded = load_textdomain( $domain, $path . $mofile ) )
return $loaded;
// Otherwise, load from the languages directory
$mofile = WP_LANG_DIR . '/plugins/' . $mofile;
return load_textdomain( $domain, $mofile );
return load_textdomain( $domain, $path . '/' . $mofile );
}
/**
@ -727,6 +729,7 @@ function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
* The .mo files must be named based on the locale exactly.
*
* @since 1.5.0
* @since 4.6.0 The function now tries to load the .mo file from the languages directory first.
*
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
* @param string $path Optional. Path to the directory containing the .mo file.
@ -734,7 +737,6 @@ function load_muplugin_textdomain( $domain, $mu_plugin_rel_path = '' ) {
* @return bool True when textdomain is successfully loaded, false otherwise.
*/
function load_theme_textdomain( $domain, $path = false ) {
$locale = get_locale();
/**
* Filter a theme's locale.
*
@ -743,19 +745,20 @@ function load_theme_textdomain( $domain, $path = false ) {
* @param string $locale The theme's current locale.
* @param string $domain Text domain. Unique identifier for retrieving translated strings.
*/
$locale = apply_filters( 'theme_locale', $locale, $domain );
$locale = apply_filters( 'theme_locale', get_locale(), $domain );
if ( ! $path )
$mofile = $domain . '-' . $locale . '.mo';
// Try to load from the languages directory first.
if ( load_textdomain( $domain, WP_LANG_DIR . '/themes/' . $mofile ) ) {
return true;
}
if ( ! $path ) {
$path = get_template_directory();
}
// Load the textdomain according to the theme
$mofile = untrailingslashit( $path ) . "/{$locale}.mo";
if ( $loaded = load_textdomain( $domain, $mofile ) )
return $loaded;
// Otherwise, load from the languages directory
$mofile = WP_LANG_DIR . "/themes/{$domain}-{$locale}.mo";
return load_textdomain( $domain, $mofile );
return load_textdomain( $domain, $path . '/' . $locale . '.mo' );
}
/**