From 36c5b05230b16a06589b37cb9dfb372171645b43 Mon Sep 17 00:00:00 2001
From: Ozh <ozh@ozh.org>
Date: Sun, 10 Feb 2013 21:19:26 +0000
Subject: [PATCH] Aaaaaaand more translation. Aaaaaaand I think that's it!

git-svn-id: http://yourls.googlecode.com/svn/trunk@871 12232710-3e20-11de-b438-597f59cd7555
---
 admin/plugins.php                 |   9 +-
 includes/functions-formatting.php |  17 +-
 includes/functions-html.php       |   8 +-
 includes/functions-l10n.php       | 421 ++++++++++++++++++++++++++++++
 yourls-api.php                    |   8 +
 yourls-infos.php                  | 109 ++++----
 6 files changed, 510 insertions(+), 62 deletions(-)

diff --git a/admin/plugins.php b/admin/plugins.php
index cef6f1e..81df0c5 100644
--- a/admin/plugins.php
+++ b/admin/plugins.php
@@ -46,10 +46,13 @@
 }
 
 // Handle message upon succesfull (de)activation
-if( isset( $_GET['success'] ) ) {
-	if( $_GET['success'] == 'activated' OR $_GET['success'] == 'deactivated' ) {
-		yourls_add_notice( yourls_s( 'Plugin has been %s', $_GET['success'] ) );
+if( isset( $_GET['success'] ) && ( ( $_GET['success'] == 'activated' ) OR ( $_GET['success'] == 'deactivated' ) ) ) {
+	if( $_GET['success'] == 'activated' ) {
+		$message = yourls_s( 'Plugin has been activated' );
+	} elseif ( $_GET['success'] == 'deactivated' ) {
+		$message = yourls_s( 'Plugin has been deactivated' );
 	}
+	yourls_add_notice( $message );
 }
 
 yourls_html_head( 'plugins', yourls__( 'Manage Plugins' ) );
diff --git a/includes/functions-formatting.php b/includes/functions-formatting.php
index a133e2a..ea662fc 100644
--- a/includes/functions-formatting.php
+++ b/includes/functions-formatting.php
@@ -488,4 +488,19 @@ function yourls_encodeURI( $url ) {
 		'%26' => '&', '%3D' => '=', '%2B' => '+', '%24' => '$', '%21' => '!', '%2A' => '*',
 		'%27' => '\'', '%28' => '(', '%29' => ')', '%23' => '#',
     ) );
-}
\ No newline at end of file
+}
+
+/**
+ * Adds backslashes before letters and before a number at the start of a string. Stolen from WP.
+ *
+ * @since 1.6
+ *
+ * @param string $string Value to which backslashes will be added.
+ * @return string String with backslashes inserted.
+ */
+function yourls_backslashit($string) {
+    $string = preg_replace('/^([0-9])/', '\\\\\\\\\1', $string);
+    $string = preg_replace('/([a-z])/i', '\\\\\1', $string);
+    return $string;
+}
+
diff --git a/includes/functions-html.php b/includes/functions-html.php
index 5df74c3..148c4e6 100644
--- a/includes/functions-html.php
+++ b/includes/functions-html.php
@@ -272,7 +272,7 @@ function yourls_html_tfooter( $params = array() ) {
 					$p_end = min( max( 5, $page + 2 ), $total_pages );
 					if( $p_start >= 2 ) {
 						$link = yourls_add_query_arg( array_merge( $params, array( 'page' => 1 ) ), $base_page );
-						echo '<span class="nav_link nav_first"><a href="' . $link . '" title="' . yourls_esc_attr__('Go to First Page') . '">' . yourls_( '&laquo; First' ) . '</a></span>';
+						echo '<span class="nav_link nav_first"><a href="' . $link . '" title="' . yourls_esc_attr__('Go to First Page') . '">' . yourls__( '&laquo; First' ) . '</a></span>';
 						echo '<span class="nav_link nav_prev"></span>';
 					}
 					for( $i = $p_start ; $i <= $p_end; $i++ ) {
@@ -353,9 +353,9 @@ function yourls_share_box( $longurl, $shorturl, $title = '', $text='', $shortlin
 				<textarea id="tweet_body"><?php echo $share; ?></textarea>
 			</div>
 			<p id="share_links"><?php yourls_e( 'Share with' ); ?> 
-				<a id="share_tw" href="http://twitter.com/home?status=<?php echo $_share; ?>" title="Tweet this!" onclick="share('tw');return false">Twitter</a>
-				<a id="share_fb" href="http://www.facebook.com/share.php?u=<?php echo $_url; ?>" title="Share on Facebook" onclick="share('fb');return false;">Facebook</a>
-				<a id="share_ff" href="http://friendfeed.com/share/bookmarklet/frame#title=<?php echo $_share; ?>" title="Share on Friendfeed" onclick="javascript:share('ff');return false;">FriendFeed</a>
+				<a id="share_tw" href="http://twitter.com/home?status=<?php echo $_share; ?>" title="<?php yourls_e( 'Tweet this!' ); ?>" onclick="share('tw');return false">Twitter</a>
+				<a id="share_fb" href="http://www.facebook.com/share.php?u=<?php echo $_url; ?>" title="<?php yourls_e( 'Share on Facebook' ); ?>" onclick="share('fb');return false;">Facebook</a>
+				<a id="share_ff" href="http://friendfeed.com/share/bookmarklet/frame#title=<?php echo $_share; ?>" title="<?php yourls_e( 'Share on Friendfeed' ); ?>" onclick="javascript:share('ff');return false;">FriendFeed</a>
 				<?php
 				yourls_do_action( 'share_links', $longurl, $shorturl, $title, $text );
 				// Note: on the main admin page, there are no parameters passed to the sharebox when it's drawn.
diff --git a/includes/functions-l10n.php b/includes/functions-l10n.php
index 3c03ac2..7506840 100644
--- a/includes/functions-l10n.php
+++ b/includes/functions-l10n.php
@@ -560,3 +560,424 @@ function yourls_get_available_languages( $dir = null ) {
 	
 	return yourls_apply_filters( 'get_available_languages', $languages );
 }
+
+/**
+ * Return integer number to format based on the locale.
+ *
+ * @since 1.6
+ *
+ * @param int $number The number to convert based on locale.
+ * @param int $decimals Precision of the number of decimal places.
+ * @return string Converted number in string format.
+ */
+function yourls_number_format_i18n( $number, $decimals = 0 ) {
+    global $yourls_locale_formats;
+	if( !isset( $yourls_locale_formats ) )
+		$yourls_locale_formats = new YOURLS_Locale_Formats();
+		
+    $formatted = number_format( $number, absint( $decimals ), $yourls_locale_formats->number_format['decimal_point'], $yourls_locale_formats->number_format['thousands_sep'] );
+    return apply_filters( 'number_format_i18n', $formatted );
+}
+
+/**
+ * Return the date in localized format, based on timestamp.
+ *
+ * If the locale specifies the locale month and weekday, then the locale will
+ * take over the format for the date. If it isn't, then the date format string
+ * will be used instead.
+ *
+ * @since 1.6
+ *
+ * @param string $dateformatstring Format to display the date.
+ * @param int $unixtimestamp Optional. Unix timestamp.
+ * @param bool $gmt Optional, default is false. Whether to convert to GMT for time.
+ * @return string The date, translated if locale specifies it.
+ */
+function yourls_date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) {
+    global $yourls_locale_formats;
+	if( !isset( $yourls_locale_formats ) )
+		$yourls_locale_formats = new YOURLS_Locale_Formats();
+
+	$i = $unixtimestamp;
+
+    if ( false === $i ) {
+        if ( ! $gmt )
+            $i = current_time( 'timestamp' );
+        else
+            $i = time();
+        // we should not let date() interfere with our
+        // specially computed timestamp
+        $gmt = true;
+    }
+
+    // store original value for language with untypical grammars
+    // see http://core.trac.wordpress.org/ticket/9396
+    $req_format = $dateformatstring;
+
+    $datefunc = $gmt? 'gmdate' : 'date';
+
+    if ( ( !empty( $yourls_locale_formats->month ) ) && ( !empty( $yourls_locale_formats->weekday ) ) ) {
+        $datemonth            = $yourls_locale_formats->get_month( $datefunc( 'm', $i ) );
+        $datemonth_abbrev     = $yourls_locale_formats->get_month_abbrev( $datemonth );
+        $dateweekday          = $yourls_locale_formats->get_weekday( $datefunc( 'w', $i ) );
+        $dateweekday_abbrev   = $yourls_locale_formats->get_weekday_abbrev( $dateweekday );
+        $datemeridiem         = $yourls_locale_formats->get_meridiem( $datefunc( 'a', $i ) );
+        $datemeridiem_capital = $yourls_locale_formats->get_meridiem( $datefunc( 'A', $i ) );
+		
+        $dateformatstring = ' '.$dateformatstring;
+        $dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . yourls_backslashit( $dateweekday_abbrev ), $dateformatstring );
+        $dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . yourls_backslashit( $datemonth ), $dateformatstring );
+        $dateformatstring = preg_replace( "/([^\\\])l/", "\\1" . yourls_backslashit( $dateweekday ), $dateformatstring );
+        $dateformatstring = preg_replace( "/([^\\\])M/", "\\1" . yourls_backslashit( $datemonth_abbrev ), $dateformatstring );
+        $dateformatstring = preg_replace( "/([^\\\])a/", "\\1" . yourls_backslashit( $datemeridiem ), $dateformatstring );
+        $dateformatstring = preg_replace( "/([^\\\])A/", "\\1" . yourls_backslashit( $datemeridiem_capital ), $dateformatstring );
+
+        $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
+    }
+    $timezone_formats = array( 'P', 'I', 'O', 'T', 'Z', 'e' );
+    $timezone_formats_re = implode( '|', $timezone_formats );
+    if ( preg_match( "/$timezone_formats_re/", $dateformatstring ) ) {
+	
+		// TODO: implement a timezone option
+        $timezone_string = yourls_get_option( 'timezone_string' );
+        if ( $timezone_string ) {
+            $timezone_object = timezone_open( $timezone_string );
+            $date_object = date_create( null, $timezone_object );
+            foreach( $timezone_formats as $timezone_format ) {
+                if ( false !== strpos( $dateformatstring, $timezone_format ) ) {
+                    $formatted = date_format( $date_object, $timezone_format );
+                    $dateformatstring = ' '.$dateformatstring;
+                    $dateformatstring = preg_replace( "/([^\\\])$timezone_format/", "\\1" . yourls_backslashit( $formatted ), $dateformatstring );
+                    $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
+                }
+            }
+        }
+    }
+    $j = @$datefunc( $dateformatstring, $i );
+    // allow plugins to redo this entirely for languages with untypical grammars
+    $j = yourls_apply_filters('date_i18n', $j, $req_format, $i, $gmt);
+    return $j;
+}
+
+/**
+ * Class that loads the calendar locale.
+ *
+ * @since 1.6
+ */
+class YOURLS_Locale_Formats {
+	/**
+	 * Stores the translated strings for the full weekday names.
+	 *
+	 * @since 1.6
+	 * @var array
+	 * @access private
+	 */
+	var $weekday;
+
+	/**
+	 * Stores the translated strings for the one character weekday names.
+	 *
+	 * There is a hack to make sure that Tuesday and Thursday, as well
+	 * as Sunday and Saturday, don't conflict. See init() method for more.
+	 *
+	 * @see YOURLS_Locale_Formats::init() for how to handle the hack.
+	 *
+	 * @since 1.6
+	 * @var array
+	 * @access private
+	 */
+	var $weekday_initial;
+
+	/**
+	 * Stores the translated strings for the abbreviated weekday names.
+	 *
+	 * @since 1.6
+	 * @var array
+	 * @access private
+	 */
+	var $weekday_abbrev;
+
+	/**
+	 * Stores the translated strings for the full month names.
+	 *
+	 * @since 1.6
+	 * @var array
+	 * @access private
+	 */
+	var $month;
+
+	/**
+	 * Stores the translated strings for the abbreviated month names.
+	 *
+	 * @since 1.6
+	 * @var array
+	 * @access private
+	 */
+	var $month_abbrev;
+
+	/**
+	 * Stores the translated strings for 'am' and 'pm'.
+	 *
+	 * Also the capitalized versions.
+	 *
+	 * @since 1.6
+	 * @var array
+	 * @access private
+	 */
+	var $meridiem;
+
+	/**
+	 * The text direction of the locale language.
+	 *
+	 * Default is left to right 'ltr'.
+	 *
+	 * @since 1.6
+	 * @var string
+	 * @access private
+	 */
+	var $text_direction = 'ltr';
+
+	/**
+	 * Sets up the translated strings and object properties.
+	 *
+	 * The method creates the translatable strings for various
+	 * calendar elements. Which allows for specifying locale
+	 * specific calendar names and text direction.
+	 *
+	 * @since 1.6
+	 * @access private
+	 */
+	function init() {
+		// The Weekdays
+		$this->weekday[0] = /* //translators: weekday */ yourls__( 'Sunday' );
+		$this->weekday[1] = /* //translators: weekday */ yourls__( 'Monday' );
+		$this->weekday[2] = /* //translators: weekday */ yourls__( 'Tuesday' );
+		$this->weekday[3] = /* //translators: weekday */ yourls__( 'Wednesday' );
+		$this->weekday[4] = /* //translators: weekday */ yourls__( 'Thursday' );
+		$this->weekday[5] = /* //translators: weekday */ yourls__( 'Friday' );
+		$this->weekday[6] = /* //translators: weekday */ yourls__( 'Saturday' );
+
+		// The first letter of each day. The _%day%_initial suffix is a hack to make
+		// sure the day initials are unique.
+		$this->weekday_initial[yourls__( 'Sunday' )]    = /* //translators: one-letter abbreviation of the weekday */ yourls__( 'S_Sunday_initial' );
+		$this->weekday_initial[yourls__( 'Monday' )]    = /* //translators: one-letter abbreviation of the weekday */ yourls__( 'M_Monday_initial' );
+		$this->weekday_initial[yourls__( 'Tuesday' )]   = /* //translators: one-letter abbreviation of the weekday */ yourls__( 'T_Tuesday_initial' );
+		$this->weekday_initial[yourls__( 'Wednesday' )] = /* //translators: one-letter abbreviation of the weekday */ yourls__( 'W_Wednesday_initial' );
+		$this->weekday_initial[yourls__( 'Thursday' )]  = /* //translators: one-letter abbreviation of the weekday */ yourls__( 'T_Thursday_initial' );
+		$this->weekday_initial[yourls__( 'Friday' )]    = /* //translators: one-letter abbreviation of the weekday */ yourls__( 'F_Friday_initial' );
+		$this->weekday_initial[yourls__( 'Saturday' )]  = /* //translators: one-letter abbreviation of the weekday */ yourls__( 'S_Saturday_initial' );
+
+		foreach ($this->weekday_initial as $weekday_ => $weekday_initial_) {
+			$this->weekday_initial[$weekday_] = preg_replace('/_.+_initial$/', '', $weekday_initial_);
+		}
+
+		// Abbreviations for each day.
+		$this->weekday_abbrev[ yourls__( 'Sunday' ) ]    = /* //translators: three-letter abbreviation of the weekday */ yourls__( 'Sun' );
+		$this->weekday_abbrev[ yourls__( 'Monday' ) ]    = /* //translators: three-letter abbreviation of the weekday */ yourls__( 'Mon' );
+		$this->weekday_abbrev[ yourls__( 'Tuesday' ) ]   = /* //translators: three-letter abbreviation of the weekday */ yourls__( 'Tue' );
+		$this->weekday_abbrev[ yourls__( 'Wednesday' ) ] = /* //translators: three-letter abbreviation of the weekday */ yourls__( 'Wed' );
+		$this->weekday_abbrev[ yourls__( 'Thursday' ) ]  = /* //translators: three-letter abbreviation of the weekday */ yourls__( 'Thu' );
+		$this->weekday_abbrev[ yourls__( 'Friday' ) ]    = /* //translators: three-letter abbreviation of the weekday */ yourls__( 'Fri' );
+		$this->weekday_abbrev[ yourls__( 'Saturday' ) ]  = /* //translators: three-letter abbreviation of the weekday */ yourls__( 'Sat' );
+
+		// The Months
+		$this->month['01'] = /* //translators: month name */ yourls__( 'January' );
+		$this->month['02'] = /* //translators: month name */ yourls__( 'February' );
+		$this->month['03'] = /* //translators: month name */ yourls__( 'March' );
+		$this->month['04'] = /* //translators: month name */ yourls__( 'April' );
+		$this->month['05'] = /* //translators: month name */ yourls__( 'May' );
+		$this->month['06'] = /* //translators: month name */ yourls__( 'June' );
+		$this->month['07'] = /* //translators: month name */ yourls__( 'July' );
+		$this->month['08'] = /* //translators: month name */ yourls__( 'August' );
+		$this->month['09'] = /* //translators: month name */ yourls__( 'September' );
+		$this->month['10'] = /* //translators: month name */ yourls__( 'October' );
+		$this->month['11'] = /* //translators: month name */ yourls__( 'November' );
+		$this->month['12'] = /* //translators: month name */ yourls__( 'December' );
+
+		// Abbreviations for each month. Uses the same hack as above to get around the
+		// 'May' duplication.
+		$this->month_abbrev[ yourls__( 'January' ) ]   = /* //translators: three-letter abbreviation of the month */ yourls__( 'Jan_January_abbreviation' );
+		$this->month_abbrev[ yourls__( 'February' ) ]  = /* //translators: three-letter abbreviation of the month */ yourls__( 'Feb_February_abbreviation' );
+		$this->month_abbrev[ yourls__( 'March' ) ]     = /* //translators: three-letter abbreviation of the month */ yourls__( 'Mar_March_abbreviation' );
+		$this->month_abbrev[ yourls__( 'April' ) ]     = /* //translators: three-letter abbreviation of the month */ yourls__( 'Apr_April_abbreviation' );
+		$this->month_abbrev[ yourls__( 'May' ) ]       = /* //translators: three-letter abbreviation of the month */ yourls__( 'May_May_abbreviation' );
+		$this->month_abbrev[ yourls__( 'June' ) ]      = /* //translators: three-letter abbreviation of the month */ yourls__( 'Jun_June_abbreviation' );
+		$this->month_abbrev[ yourls__( 'July' ) ]      = /* //translators: three-letter abbreviation of the month */ yourls__( 'Jul_July_abbreviation' );
+		$this->month_abbrev[ yourls__( 'August' ) ]    = /* //translators: three-letter abbreviation of the month */ yourls__( 'Aug_August_abbreviation' );
+		$this->month_abbrev[ yourls__( 'September' ) ] = /* //translators: three-letter abbreviation of the month */ yourls__( 'Sep_September_abbreviation' );
+		$this->month_abbrev[ yourls__( 'October' ) ]   = /* //translators: three-letter abbreviation of the month */ yourls__( 'Oct_October_abbreviation' );
+		$this->month_abbrev[ yourls__( 'November' ) ]  = /* //translators: three-letter abbreviation of the month */ yourls__( 'Nov_November_abbreviation' );
+		$this->month_abbrev[ yourls__( 'December' ) ]  = /* //translators: three-letter abbreviation of the month */ yourls__( 'Dec_December_abbreviation' );
+
+		foreach ($this->month_abbrev as $month_ => $month_abbrev_) {
+			$this->month_abbrev[$month_] = preg_replace('/_.+_abbreviation$/', '', $month_abbrev_);
+		}
+
+		// The Meridiems
+		$this->meridiem['am'] = yourls__( 'am' );
+		$this->meridiem['pm'] = yourls__( 'pm' );
+		$this->meridiem['AM'] = yourls__( 'AM' );
+		$this->meridiem['PM'] = yourls__( 'PM' );
+
+		// Numbers formatting
+		// See http://php.net/number_format
+
+		/* //translators: $thousands_sep argument for http://php.net/number_format, default is , */
+		$trans = yourls__( 'number_format_thousands_sep' );
+		$this->number_format['thousands_sep'] = ('number_format_thousands_sep' == $trans) ? ',' : $trans;
+
+		/* //translators: $dec_point argument for http://php.net/number_format, default is . */
+		$trans = yourls__( 'number_format_decimal_point' );
+		$this->number_format['decimal_point'] = ('number_format_decimal_point' == $trans) ? '.' : $trans;
+
+		// Set text direction.
+		if ( isset( $GLOBALS['text_direction'] ) )
+			$this->text_direction = $GLOBALS['text_direction'];
+		/* //translators: 'rtl' or 'ltr'. This sets the text direction for WordPress. */
+		elseif ( 'rtl' == yourls_x( 'ltr', 'text direction' ) )
+			$this->text_direction = 'rtl';
+	}
+
+	/**
+	 * Retrieve the full translated weekday word.
+	 *
+	 * Week starts on translated Sunday and can be fetched
+	 * by using 0 (zero). So the week starts with 0 (zero)
+	 * and ends on Saturday with is fetched by using 6 (six).
+	 *
+	 * @since 1.6
+	 * @access public
+	 *
+	 * @param int $weekday_number 0 for Sunday through 6 Saturday
+	 * @return string Full translated weekday
+	 */
+	function get_weekday( $weekday_number ) {
+		return $this->weekday[ $weekday_number ];
+	}
+
+	/**
+	 * Retrieve the translated weekday initial.
+	 *
+	 * The weekday initial is retrieved by the translated
+	 * full weekday word. When translating the weekday initial
+	 * pay attention to make sure that the starting letter does
+	 * not conflict.
+	 *
+	 * @since 1.6
+	 * @access public
+	 *
+	 * @param string $weekday_name
+	 * @return string
+	 */
+	function get_weekday_initial( $weekday_name ) {
+		return $this->weekday_initial[ $weekday_name ];
+	}
+
+	/**
+	 * Retrieve the translated weekday abbreviation.
+	 *
+	 * The weekday abbreviation is retrieved by the translated
+	 * full weekday word.
+	 *
+	 * @since 1.6
+	 * @access public
+	 *
+	 * @param string $weekday_name Full translated weekday word
+	 * @return string Translated weekday abbreviation
+	 */
+	function get_weekday_abbrev( $weekday_name ) {
+		return $this->weekday_abbrev[ $weekday_name ];
+	}
+
+	/**
+	 * Retrieve the full translated month by month number.
+	 *
+	 * The $month_number parameter has to be a string
+	 * because it must have the '0' in front of any number
+	 * that is less than 10. Starts from '01' and ends at
+	 * '12'.
+	 *
+	 * You can use an integer instead and it will add the
+	 * '0' before the numbers less than 10 for you.
+	 *
+	 * @since 1.6
+	 * @access public
+	 *
+	 * @param string|int $month_number '01' through '12'
+	 * @return string Translated full month name
+	 */
+	function get_month( $month_number ) {
+		return $this->month[ sprintf( '%02s', $month_number ) ];		
+	}
+
+	/**
+	 * Retrieve translated version of month abbreviation string.
+	 *
+	 * The $month_name parameter is expected to be the translated or
+	 * translatable version of the month.
+	 *
+	 * @since 1.6
+	 * @access public
+	 *
+	 * @param string $month_name Translated month to get abbreviated version
+	 * @return string Translated abbreviated month
+	 */
+	function get_month_abbrev( $month_name ) {
+		return $this->month_abbrev[ $month_name ];
+	}
+
+	/**
+	 * Retrieve translated version of meridiem string.
+	 *
+	 * The $meridiem parameter is expected to not be translated.
+	 *
+	 * @since 1.6
+	 * @access public
+	 *
+	 * @param string $meridiem Either 'am', 'pm', 'AM', or 'PM'. Not translated version.
+	 * @return string Translated version
+	 */
+	function get_meridiem( $meridiem ) {
+		return $this->meridiem[ $meridiem ];
+	}
+
+	/**
+	 * Global variables are deprecated. For backwards compatibility only.
+	 *
+	 * @deprecated For backwards compatibility only.
+	 * @access private
+	 *
+	 * @since 1.6
+	 */
+	function register_globals() {
+		$GLOBALS['weekday']         = $this->weekday;
+		$GLOBALS['weekday_initial'] = $this->weekday_initial;
+		$GLOBALS['weekday_abbrev']  = $this->weekday_abbrev;
+		$GLOBALS['month']           = $this->month;
+		$GLOBALS['month_abbrev']    = $this->month_abbrev;
+	}
+
+	/**
+	 * Constructor which calls helper methods to set up object variables
+	 *
+	 * @uses YOURLS_Locale_Formats::init()
+	 * @uses YOURLS_Locale_Formats::register_globals()
+	 * @since 1.6
+	 *
+	 * @return YOURLS_Locale_Formats
+	 */
+	function __construct() {
+		$this->init();
+		$this->register_globals();
+	}
+
+	/**
+	 * Checks if current locale is RTL.
+	 *
+	 * @since 3.0.0
+	 * @return bool Whether locale is RTL.
+	 */
+	function is_rtl() {
+		return 'rtl' == $this->text_direction;
+	}
+}
diff --git a/yourls-api.php b/yourls-api.php
index 7642051..d61ac74 100644
--- a/yourls-api.php
+++ b/yourls-api.php
@@ -1,4 +1,12 @@
 <?php
+/*
+ * YOURLS API
+ *
+ * Note about translation : this file should NOT be translation ready
+ * API messages and returns are supposed to be programmatically tested, so default English is expected
+ *
+ */
+
 define( 'YOURLS_API', true );
 require_once( dirname( __FILE__ ) . '/includes/load-yourls.php' );
 yourls_maybe_require_auth();
diff --git a/yourls-infos.php b/yourls-infos.php
index a58b678..27fd632 100644
--- a/yourls-infos.php
+++ b/yourls-infos.php
@@ -201,14 +201,14 @@
 
 }
 
-yourls_html_head( 'infos', 'Statistics for '.YOURLS_SITE.'/'.$keyword );
+yourls_html_head( 'infos', yourls_s( 'Statistics for %s', YOURLS_SITE.'/'.$keyword ) );
 yourls_html_logo();
 yourls_html_menu();
 ?>
 
 <h2 id="informations"><?php echo yourls_esc_html( $title ); ?></h2>
 
-<h3><span class="label">Short URL:</span> <img src="<?php yourls_favicon() ?>"/>
+<h3><span class="label"><?php yourls_e( 'Short URL:'); ?></span> <img src="<?php yourls_favicon() ?>"/>
 <?php if( $aggregate ) {
 	$i = 0;
 	foreach( $keyword_list as $k ) {
@@ -224,26 +224,26 @@
 } else {
 	yourls_html_link( yourls_link($keyword) );
 	if( isset( $keyword_list ) && count( $keyword_list ) > 1 )
-		echo ' <a href="'. yourls_link($keyword).'+all" title="Aggregate stats for duplicate short URLs"><img src="' . yourls_match_current_protocol( YOURLS_SITE ) . '/images/chart_bar_add.png" border="0" /></a>';
+		echo ' <a href="'. yourls_link($keyword).'+all" title="' . yourls_esc_attr__( 'Aggregate stats for duplicate short URLs' ) . '"><img src="' . yourls_match_current_protocol( YOURLS_SITE ) . '/images/chart_bar_add.png" border="0" /></a>';
 } ?></h3>
-<h3 id="longurl"><span class="label">Long URL:</span> <img class="fix_images" src="<?php echo yourls_get_favicon_url( $longurl );?>" /> <?php yourls_html_link( $longurl, yourls_trim_long_string( $longurl ), 'longurl' ); ?></h3>
+<h3 id="longurl"><span class="label"><?php yourls_e( 'Long URL:'); ?></span> <img class="fix_images" src="<?php echo yourls_get_favicon_url( $longurl );?>" /> <?php yourls_html_link( $longurl, yourls_trim_long_string( $longurl ), 'longurl' ); ?></h3>
 
 <div id="tabs">
 	<div class="wrap_unfloat">
 	<ul id="headers" class="toggle_display stat_tab">
 		<?php if( yourls_do_log_redirect() ) { ?>
-		<li class="selected"><a href="#stat_tab_stats"><h2>Traffic statistics</h2></a></li>
-		<li><a href="#stat_tab_location"><h2>Traffic location</h2></a></li>
-		<li><a href="#stat_tab_sources"><h2>Traffic sources</h2></a></li>
+		<li class="selected"><a href="#stat_tab_stats"><h2><?php yourls_e( 'Traffic statistics'); ?></h2></a></li>
+		<li><a href="#stat_tab_location"><h2><?php yourls_e( 'Traffic location'); ?></h2></a></li>
+		<li><a href="#stat_tab_sources"><h2><?php yourls_e( 'Traffic sources'); ?></h2></a></li>
 		<?php } ?>
-		<li><a href="#stat_tab_share"><h2>Share</h2></a></li>
+		<li><a href="#stat_tab_share"><h2><?php yourls_e( 'Share'); ?></h2></a></li>
 	</ul>
 	</div>
 
 			
 <?php if( yourls_do_log_redirect() ) { ?>
 	<div id="stat_tab_stats" class="tab">
-		<h2>Traffic statistics</h2>
+		<h2><?php yourls_e( 'Traffic statistics'); ?></h2>
 		
 		<?php yourls_do_action( 'pre_yourls_info_stats', $keyword ); ?>
 		
@@ -251,10 +251,10 @@
 		
 			<?php
 			$graphs = array(
-				'24' => 'Last 24 hours',
-				'7'  => 'Last 7 days',
-				'30' => 'Last 30 days',
-				'all'=> 'All time'
+				'24' => yourls__( 'Last 24 hours' ),
+				'7'  => yourls__( 'Last 7 days' ),
+				'30' => yourls__( 'Last 30 days' ),
+				'all'=> yourls__( 'All time' ),
 			);
 			
 			// Which graph to generate ?
@@ -291,13 +291,13 @@
 				<ul id="stats_lines" class="toggle_display stat_line">
 				<?php
 				if( $do_24 == true )
-					echo "<li><a href='#stat_line_24'>Last 24 hours</a>";
+					echo '<li><a href="#stat_line_24">' . yourls__( 'Last 24 hours' ) . '</a>';
 				if( $do_7 == true )
-					echo "<li><a href='#stat_line_7'>Last 7 days</a>";
+					echo '<li><a href="#stat_line_7">' . yourls__( 'Last 7 days' ) . '</a>';
 				if( $do_30 == true )
-					echo "<li><a href='#stat_line_30'>Last 30 days</a>";
+					echo '<li><a href="#stat_line_30">' . yourls__( 'Last 30 days' ) . '</a>';
 				if( $do_all == true )
-					echo "<li><a href='#stat_line_all'>All time</a>";
+					echo '<li><a href="#stat_line_all">' . yourls__( 'All time' ) . '</a>';
 				?>				
 				</ul>
 				<?php
@@ -306,7 +306,7 @@
 					if( ${'do_'.$graph} == true ) {
 						$display = ( ${'display_'.$graph} === true ? 'display:block' : 'display:none' );
 						echo "<div id='stat_line_$graph' class='stats_line line' style='$display'>";
-						echo "<h3>Number of hits : $graphtitle</h3>";
+						echo '<h3>' . yourls_s( 'Number of hits : %s' , $graphtitle ) . '</h3>';
 						switch( $graph ) {
 							case '24':
 								yourls_stats_line( $last_24h, "stat_line_$graph" );
@@ -329,16 +329,16 @@
 				
 				</td>
 				<td valign="top">
-				<h3>Historical click count</h3>
+				<h3><?php yourls_e( 'Historical click count' ); ?></h3>
 				<?php
 				$ago = round( (date('U') - strtotime($timestamp)) / (24* 60 * 60 ) );
 				if( $ago <= 1 ) {
 					$daysago = '';
 				} else {
-					$daysago = '(about '.$ago .' '.yourls_plural( ' day', $ago ).' ago)';
+					$daysago = ' (' . sprintf( yourls_n( 'about 1 day ago', 'about %s days ago', $ago ), $ago ) . ')';
 				}
 				?>
-				<p>Short URL created on <?php echo date( "F j, Y @ g:i a", ( strtotime( $timestamp ) + YOURLS_HOURS_OFFSET * 3600 ) ); ?> <?php echo $daysago; ?></p>
+				<p><?php echo /* //translators: eg Short URL created on March 23rd 1972 */ yourls_s( 'Short URL created on %s', yourls_date_i18n( "F j, Y @ g:i a", ( strtotime( $timestamp ) + YOURLS_HOURS_OFFSET * 3600 ) ) ) . $daysago; ?></p>
 				<div class="wrap_unfloat">
 					<ul class="no_bullet toggle_display stat_line" id="historical_clicks">
 					<?php
@@ -353,48 +353,48 @@
 							switch( $graph ) {
 								case '7':
 								case '30':
-									$stat = round( ( ${'hits_'.$graph} / intval( $graph ) ) * 100 ) / 100 . ' per day';
+									$stat = yourls_s( '%s per day', round( ( ${'hits_'.$graph} / intval( $graph ) ) * 100 ) / 100 );
 									break;
 								case '24':
-									$stat = round( ( ${'hits_'.$graph} / 24 ) * 100 ) / 100 . ' per hour';
+									$stat = yourls_s( '%s per hour', round( ( ${'hits_'.$graph} / 24 ) * 100 ) / 100 );
 									break;
 								case 'all':
 									if( $ago > 0 )
-										$stat = round( ( ${'hits_'.$graph} / $ago ) * 100 ) / 100 . ' per day';
+										$stat = yourls_s( '%s per day', round( ( ${'hits_'.$graph} / $ago ) * 100 ) / 100 );
 							}
 						}
-						$hits = yourls_plural( 'hit', ${'hits_'.$graph} );
+						$hits = sprintf( yourls_n( '%s hit', '%s hits', ${'hits_'.$graph} ), ${'hits_'.$graph} );
 						echo "<li><span class='historical_link'>$link</span> <span class='historical_count'>${'hits_'.$graph} $hits</span> $stat</li>\n";
 					}
 					?>
 					</ul>
 				</div>
 		
-				<h3>Best day</h3>
+				<h3><?php yourls_e( 'Best day' ); ?></h3>
 				<?php
 				$best = yourls_stats_get_best_day( $list_of_days );
-				$best_time['day']   = date("d", strtotime( $best['day'] ) );
-				$best_time['month'] = date("m", strtotime( $best['day'] ) );
-				$best_time['year']  = date("Y", strtotime( $best['day'] ) );
+				$best_time['day']   = date( "d", strtotime( $best['day'] ) );
+				$best_time['month'] = date( "m", strtotime( $best['day'] ) );
+				$best_time['year']  = date( "Y", strtotime( $best['day'] ) );
 				?>
-				<p><strong><?php echo $best['max'];?></strong> <?php echo yourls_plural( 'hit', $best['max'] ); ?> on <?php echo date("F j, Y", strtotime( $best['day'] ) ); ?>. 
-				<a href="" class='details hide-if-no-js' id="more_clicks">Click for more details</a></p>
+				<p><strong><?php echo sprintf( /* //translators: eg. 43 hits on January 1, 1970 */ yourls_n( '<strong>%s</strong> hit on %s', '<strong>%s</strong> hits on %s', $best['max'] ), $best['max'],  yourls_date_i18n( "F j, Y", strtotime( $best['day'] ) ) ); ?>. 
+				<a href="" class='details hide-if-no-js' id="more_clicks"><?php yourls_e( 'Click for more details' ); ?></a></p>
 				<ul id="details_clicks" style="display:none">
 					<?php
 					foreach( $dates as $year=>$months ) {
 						$css_year = ( $year == $best_time['year'] ? 'best_year' : '' );
 						if( count( $list_of_years ) > 1 ) {
-							$li = "<a href='' class='details' id='more_year$year'>Year $year</a>";
+							$li = "<a href='' class='details' id='more_year$year'>" . yourls_s( 'Year %s', $year ) . '</a>';
 							$display = 'none';
 						} else {
-							$li = "Year $year";
+							$li = yourls_s( 'Year %s', $year );
 							$display = 'block';
 						}
 						echo "<li><span class='$css_year'>$li</span>";
 						echo "<ul style='display:$display' id='details_year$year'>";
 						foreach( $months as $month=>$days ) {
 							$css_month = ( ( $month == $best_time['month'] && ( $css_year == 'best_year' ) ) ? 'best_month' : '' );
-							$monthname = date("F", mktime(0, 0, 0, $month,1));
+							$monthname = yourls_date_i18n( "F", mktime( 0, 0, 0, $month, 1 ) );
 							if( count( $list_of_months ) > 1 ) {
 								$li = "<a href='' class='details' id='more_month$year$month'>$monthname</a>";
 								$display = 'none';
@@ -406,7 +406,7 @@
 							echo "<ul style='display:$display' id='details_month$year$month'>";
 								foreach( $days as $day=>$hits ) {
 									$class = ( $hits == $best['max'] ? 'class="bestday"' : '' );
-									echo "<li $class>$day: $hits". yourls_plural( ' hit', $hits) ."</li>\n";
+									echo "<li $class>$day: " . sprintf( yourls_n( '1 hit', '%s hits', $hits ), $hits ) ."</li>\n";
 								}
 							echo "</ul>\n";
 						}
@@ -423,13 +423,13 @@
 		<?php yourls_do_action( 'post_yourls_info_stats', $keyword ); ?>
 		
 		<?php } else {
-			echo "<p>No traffic yet. Get some clicks first!</p>";
+			echo '<p>' . yourls__( 'No traffic yet. Get some clicks first!' ) . '</p>';
 		} ?>
 	</div>
 
 
 	<div id="stat_tab_location" class="tab">
-		<h2>Traffic location</h2>
+		<h2><?php yourls_e( 'Traffic location' ); ?></h2>
 		
 		<?php yourls_do_action( 'pre_yourls_info_location', $keyword ); ?>
 
@@ -438,9 +438,9 @@
 			<table border="0" cellspacing="2">
 			<tr>
 				<td valign="top">
-					<h3>Top 5 countries</h3>
+					<h3><?php yourls_e( 'Top 5 countries' ); ?></h3>
 					<?php yourls_stats_pie( $countries, 5, '340x220', 'stat_tab_location_pie' ); ?>
-					<p><a href="" class='details hide-if-no-js' id="more_countries">Click for more details</a></p>
+					<p><a href="" class='details hide-if-no-js' id="more_countries"><?php yourls_e( 'Click for more details' ); ?></a></p>
 					<ul id="details_countries" style="display:none" class="no_bullet">
 					<?php
 					foreach( $countries as $code=>$count ) {
@@ -451,7 +451,7 @@
 
 				</td>
 				<td valign="top">
-					<h3>Overall traffic</h3>
+					<h3><?php yourls_e( 'Overall traffic' ); ?></h3>
 					<?php yourls_stats_countries_map( $countries, 'stat_tab_location_map' ); ?>
 				</td>
 			</tr>
@@ -460,13 +460,13 @@
 		<?php yourls_do_action( 'post_yourls_info_location', $keyword ); ?>
 
 		<?php } else {
-			echo "<p>No country data.</p>";
+			echo '<p>' . yourls__( 'No country data.' ) . '</p>';
 		} ?>
 	</div>
 				
 				
 	<div id="stat_tab_sources" class="tab">
-		<h2>Traffic Sources</h2>
+		<h2><?php yourls_e( 'Traffic Sources' ); ?></h2>
 		
 		<?php yourls_do_action( 'pre_yourls_info_sources', $keyword ); ?>
 
@@ -475,22 +475,23 @@
 			<table border="0" cellspacing="2">
 			<tr>
 				<td valign="top">
-					<h3>Referrer shares</h3>
+					<h3><?php yourls_e( 'Referrer shares' ); ?></h3>
 					<?php
 					if ( $number_of_sites > 1 )
-						$referrer_sort['Others'] = count( $referrers );
+						$referrer_sort[ yourls__( 'Others' ) ] = count( $referrers );
 					yourls_stats_pie( $referrer_sort, 5, '440x220', 'stat_tab_source_ref' );
 					unset( $referrer_sort['Others'] );
 					?>
-					<h3>Referrers</h3>
+					<h3><?php yourls_e( 'Referrers' ); ?></h3>
 					<ul class="no_bullet">
 						<?php
 						$i = 0;
 						foreach( $referrer_sort as $site => $count ) {
 							$i++;
 							$favicon = yourls_get_favicon_url( $site );
-							echo "<li class='sites_list'><img src='$favicon' class='fix_images'/> $site: <strong>$count</strong> <a href='' class='details hide-if-no-js' id='more_url$i'>(details)</a></li>\n";
+							echo "<li class='sites_list'><img src='$favicon' class='fix_images'/> $site: <strong>$count</strong> <a href='' class='details hide-if-no-js' id='more_url$i'>" . yourls__( '(details)' ) . "</a></li>\n";
 							echo "<ul id='details_url$i' style='display:none'>";
+							var_dump( $referrers );
 							foreach( $referrers[$site] as $url => $count ) {
 								echo "<li>"; yourls_html_link($url); echo ": <strong>$count</strong></li>\n";
 							}
@@ -499,7 +500,7 @@
 						}
 						// Any referrer left? Group in "various"
 						if ( $referrers ) {
-							echo "<li id='sites_various'>Various: <strong>". count( $referrers ). "</strong> <a href='' class='details hide-if-no-js' id='more_various'>(details)</a></li>\n";
+							echo "<li id='sites_various'>" . yourls__( 'Various:' ) . " <strong>". count( $referrers ). "</strong> <a href='' class='details hide-if-no-js' id='more_various'>" . yourls__( '(details)' ) . "</a></li>\n";
 							echo "<ul id='details_various' style='display:none'>";
 							foreach( $referrers as $url ) {
 								echo "<li>"; yourls_html_link(key($url)); echo ": 1</li>\n";	
@@ -513,12 +514,12 @@
 				</td>
 				
 				<td valign="top">
-					<h3>Direct vs Referrer Traffic</h3>
+					<h3><?php yourls_e( 'Direct vs Referrer Traffic' ); ?></h3>
 					<?php
-					yourls_stats_pie( array('Direct'=>$direct, 'Referrers'=> $notdirect), 5, '440x220', 'stat_tab_source_direct' );
+					yourls_stats_pie( array( yourls__( 'Direct' ) => $direct, yourls__( 'Referrers' ) => $notdirect ), 5, '440x220', 'stat_tab_source_direct' );
 					?>
-					<p>Direct traffic: <strong><?php echo $direct; ?></strong> <?php echo yourls_plural( 'hit', $direct ); ?> </p>
-					<p>Referrer traffic: <strong><?php echo $notdirect; ?></strong> <?php echo yourls_plural( 'hit', $notdirect ); ?> </p>
+					<p><?php yourls_e( 'Direct traffic:' ); echo ' ' . sprintf( yourls_n( '<strong>%s</strong> hit', '<strong>%s</strong> hits', $direct ), $direct ); ?> </p>
+					<p><?php yourls_e( 'Referrer traffic:' ); echo ' ' . sprintf( yourls_n( '<strong>%s</strong> hit', '<strong>%s</strong> hits', $notdirect ), $direct ); ?> </p>
 
 				</td>
 			</tr>
@@ -527,7 +528,7 @@
 		<?php yourls_do_action( 'post_yourls_info_sources', $keyword ); ?>
 			
 		<?php } else {
-			echo "<p>No referrer data.</p>";
+			echo '<p>' . yourls__( 'No referrer data.' ) . '</p>';
 		} ?>
 			
 	</div>
@@ -536,9 +537,9 @@
 
 
 	<div id="stat_tab_share" class="tab">
-		<h2>Share</h2>
+		<h2><?php yourls_e( 'Share' ); ?></h2>
 		
-		<?php yourls_share_box( $longurl, yourls_link($keyword), $title, '', '<h3>Short link</h3>', '<h3>Quick Share</h3>'); ?>
+		<?php yourls_share_box( $longurl, yourls_link($keyword), $title, '', '<h3>' . yourls__( 'Short link' ) . '</h3>', '<h3>' . yourls__( 'Quick Share ' ) . '</h3>'); ?>
 
 	</div>
 	
-- 
2.45.0