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   1  <?php
   2  
   3  function google_translate_batch( $locale, $strings ) {
   4      if ( !$locale->google_code ) {
   5          return new WP_Error( 'google_translate', sprintf( "The locale %s isn't supported by Google Translate.", $locale->slug ) );
   6      }
   7      $url = 'http://ajax.googleapis.com/ajax/services/language/translate?v=1.0&langpair=' . urlencode( 'en|'.$locale->google_code );
   8      foreach ( $strings as $string ) {
   9          $url .= '&q=' . urlencode( $string );
  10      }
  11      if ( count( $strings ) == 1 ) $url .= '&q=';
  12      $response = wp_remote_get( $url );
  13      if ( is_wp_error( $response ) ) {
  14          return $response;
  15      }
  16      $json = json_decode( wp_remote_retrieve_body( $response ) );
  17      if ( !$json ) {
  18          return new WP_Error( 'google_translate', 'Error decoding JSON from Google Translate.' );
  19      }
  20      if ( $json->responseStatus != 200 ) {
  21          return new WP_Error( 'google_translate', sprintf( 'Error auto-translating: %1$s (%2$s)', $json->responseDetails, $json->responseStatus ) );
  22      }
  23      $translations = array();
  24      if ( !is_array( $json->responseData ) ) $json->responseData = array( $json->responseData );
  25      foreach( gp_array_zip( $strings, $json->responseData ) as $item ) {
  26          list( $string, $translation ) = $item;
  27          if ( $translation->responseStatus == 200 ) {
  28              $translations[] = google_translate_fix( $translation->responseData->translatedText );
  29          } else {
  30              $max_len = 20;
  31              $excerpt = strlen( $string ) > $max_len? substr( $string, 0, $max_len - 3 ).'...' : $string;
  32              $message = sprintf( 'Error auto-translating string "$1$s": %2$s (%3$s)', $excerpt, $translation->responseDetails, $translation->responseStatus );
  33              $translations[] = new WP_Error( 'google_translate', $message );
  34          }
  35      }
  36      return $translations;
  37  }
  38  
  39  function google_translate_fix( $string ) {
  40      $string = preg_replace_callback( '/% (s|d)/i', lambda( '$m', '"%".strtolower($m[1])' ), $string );
  41      $string = preg_replace_callback( '/% (\d+) \$ (s|d)/i', lambda( '$m', '"%".$m[1]."\\$".strtolower($m[2])' ), $string );
  42      return $string;
  43  }