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<title>[6638] sites/trunk/wordpress.org/public_html/wp-content/plugins: Add locale detection plugin.</title>
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<dt style="float: left; width: 6em; font-weight: bold">Revision</dt> <dd><a style="font-weight: bold" href="http://meta.trac.wordpress.org/changeset/6638">6638</a><script type="application/ld+json">{"@context":"http://schema.org","@type":"EmailMessage","description":"Review this Commit","action":{"@type":"ViewAction","url":"http://meta.trac.wordpress.org/changeset/6638","name":"Review Commit"}}</script></dd>
<dt style="float: left; width: 6em; font-weight: bold">Author</dt> <dd>obenland</dd>
<dt style="float: left; width: 6em; font-weight: bold">Date</dt> <dd>2018-02-15 05:59:00 +0000 (Thu, 15 Feb 2018)</dd>
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<pre style='padding-left: 1em; margin: 2em 0; border-left: 2px solid #ccc; line-height: 1.25; font-size: 105%; font-family: sans-serif'>Add locale detection plugin.
Sets a blog's locale to the users preferred locale.
Derived from Browse Happy's `Browse_Happy_Locale`.
First step in localizing login.wordpress.org.
See <a href="http://meta.trac.wordpress.org/ticket/1673">#1673</a>.</pre>
<h3>Added Paths</h3>
<ul>
<li>sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/</li>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentpluginslocaledetectionclassdetectorphp">sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/class-detector.php</a></li>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentpluginslocaledetectionlocaledetectionphp">sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/locale-detection.php</a></li>
<li><a href="#sitestrunkwordpressorgpublic_htmlwpcontentpluginslocaledetectionphpcsxmldist">sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/phpcs.xml.dist</a></li>
</ul>
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<h3>Diff</h3>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentpluginslocaledetectionclassdetectorphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/class-detector.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/class-detector.php (rev 0)
+++ sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/class-detector.php 2018-02-15 05:59:00 UTC (rev 6638)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,167 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Class Detector
+ *
+ * @package WordPressdotorg\LocaleDetection
+ */
+
+namespace WordPressdotorg\LocaleDetection;
+
+/**
+ * Class Detector
+ */
+class Detector {
+
+ /**
+ * Whether the locale was guessed or not.
+ *
+ * @var bool
+ */
+ public $guessed = false;
+
+ /**
+ * Detected locale.
+ *
+ * @access protected
+ * @var string
+ */
+ protected $locale = 'en_US';
+
+ /**
+ * Available locales.
+ *
+ * @access protected
+ * @var array
+ */
+ protected $active_locales = [
+ 'en_US',
+ ];
+
+ /**
+ * Detects locale.
+ */
+ public function __construct() {
+ $this->active_locales = array_merge(
+ $this->active_locales,
+ (array) glob( get_template_directory() . '/languages/*.mo' ),
+ (array) glob( get_stylesheet_directory() . '/languages/*.mo' )
+ );
+ foreach ( $this->active_locales as &$mo_file ) {
+ $mo_file = basename( $mo_file, '.mo' );
+ }
+ unset( $mo_file );
+
+ if ( isset( $_GET['locale'] ) ) {
+ $get_locale = preg_replace( '/[^A-Z_-]/i', '', $_GET['locale'] );
+
+ $this->locale = $this->check_variants( $get_locale ) ?: $this->locale;
+ } else {
+ $this->locale = $this->guess_locale() ?: $this->locale;
+ }
+ }
+
+ /**
+ * Returns the locale.
+ *
+ * @return string
+ */
+ public function get_locale() {
+ return $this->locale;
+ }
+
+ /**
+ * Guesses the locale.
+ *
+ * @return string
+ */
+ public function guess_locale() {
+ $variant = '';
+
+ if ( ! isset( $_SERVER['HTTP_ACCEPT_LANGUAGE'] ) ) {
+ return $variant;
+ }
+
+ $locales = [];
+ $languages = explode( ',', $_SERVER['HTTP_ACCEPT_LANGUAGE'] );
+
+ foreach ( $languages as $lang ) {
+ $lang = str_replace( 'q=', '', $lang );
+ $parts = explode( ';', trim( $lang ) );
+ $locale = $parts[0];
+ $weight = empty( $parts[1] ) ? '1.0' : $parts[1];
+
+ $locales[ $locale ] = $weight;
+ }
+
+ // Sort locales by browser-provided weighting.
+ arsort( $locales, SORT_NUMERIC );
+
+ // Find the best locale variant.
+ foreach ( array_keys( $locales ) as $locale_pref ) {
+
+ // Preference for 'en' or 'en-US' forces default language.
+ if ( in_array( $locale_pref, [ 'en', 'en-US' ], true ) ) {
+ break;
+ }
+
+ // Check for the closest language variant.
+ $variant = $this->check_variants( $locale_pref );
+
+ // For English, only use an exact variant, otherwise fall back to default.
+ if ( 0 === strpos( $locale_pref, 'en' ) ) {
+ if ( str_replace( '-', '_', $locale_pref ) !== $variant ) {
+ $variant = '';
+ }
+ break;
+ }
+
+ // Stop searching if a valid variant has been found.
+ if ( $variant ) {
+ break;
+ }
+ }
+
+ $this->guessed = !! $variant; // phpcs:ignore WordPress.WhiteSpace.OperatorSpacing
+
+ return $variant;
+ }
+
+ /**
+ * Checks variants.
+ *
+ * @param string $locale Locale.
+ * @return string
+ */
+ public function check_variants( $locale ) {
+ $locale = str_replace( '-', '_', $locale );
+ $locale = explode( '_', $locale, 2 );
+ $variants = [];
+
+ if ( 1 === count( $locale ) ) {
+ $lang = strtolower( $locale[0] );
+ } else {
+ list( $lang, $region ) = $locale;
+
+ $lang = strtolower( $lang );
+ $variants[] = $lang . '_' . strtoupper( $region );
+ }
+
+ $fallback = $lang . '_';
+ $variants[] = $lang . '_' . strtoupper( $lang );
+ $variants[] = $lang;
+
+ foreach ( $variants as $variant ) {
+ if ( in_array( $variant, $this->active_locales, true ) ) {
+ return $variant;
+ }
+ }
+
+ foreach ( $this->active_locales as $active_locale ) {
+ if ( 0 === strpos( $active_locale, $fallback ) ) {
+ return $active_locale;
+ }
+ }
+
+ return '';
+ }
+}
</ins></span></pre></div>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentpluginslocaledetectionlocaledetectionphp"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/locale-detection.php</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/locale-detection.php (rev 0)
+++ sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/locale-detection.php 2018-02-15 05:59:00 UTC (rev 6638)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,28 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?php
+/**
+ * Plugin Name: Locale Detection
+ * Description: Sets a blog's locale to the users preferred locale.
+ * Version: 1
+ * Author: the WordPress team
+ * Author URI: https://wordpress.org
+ * License: GPLv2 or later
+ *
+ * Locale Detection is based on Browse Happy's Browse_Happy_Locale https://meta.trac.wordpress.org/browser/sites/trunk/browsehappy.com/public_html/inc/locale.php?rev=5790.
+ * Browse Happy is distributed under the terms of the GNU GPL v2 or later.
+ *
+ * @package WordPressdotorg\LocaleDetection
+ */
+
+namespace WordPressdotorg\LocaleDetection;
+
+/**
+ * Initialize plugin.
+ */
+function init() {
+ require_once 'class-detector.php';
+
+ $detector = new Detector();
+
+ add_action( 'locale', [ $detector, 'get_locale' ] );
+}
+add_action( 'plugins_loaded', __NAMESPACE__ . '\init' );
</ins></span></pre></div>
<a id="sitestrunkwordpressorgpublic_htmlwpcontentpluginslocaledetectionphpcsxmldist"></a>
<div class="addfile"><h4 style="background-color: #eee; color: inherit; margin: 1em 0; padding: 1.3em; font-size: 115%">Added: sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/phpcs.xml.dist</h4>
<pre class="diff"><span>
<span class="info" style="display: block; padding: 0 10px; color: #888">--- sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/phpcs.xml.dist (rev 0)
+++ sites/trunk/wordpress.org/public_html/wp-content/plugins/locale-detection/phpcs.xml.dist 2018-02-15 05:59:00 UTC (rev 6638)
</span><span class="lines" style="display: block; padding: 0 10px; color: #888">@@ -0,0 +1,13 @@
</span><ins style="background-color: #dfd; text-decoration:none; display:block; padding: 0 10px">+<?xml version="1.0"?>
+<ruleset name="Locale Detection">
+ <file>.</file>
+
+ <!-- Show sniff codes -->
+ <arg value="s"/>
+
+ <rule ref="WordPress">
+ <exclude name="WordPress.VIP" />
+ <exclude name="WordPress.CSRF.NonceVerification.NoNonceVerification" />
+ </rule>
+ <rule ref="WordPress-Docs" />
+</ruleset>
</ins></span></pre>
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