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/wp-includes/l10n/ -> class-wp-translations.php (source)

   1  <?php
   2  /**
   3   * I18N: WP_Translations class.
   4   *
   5   * @package WordPress
   6   * @subpackage I18N
   7   * @since 6.5.0
   8   */
   9  
  10  /**
  11   * Class WP_Translations.
  12   *
  13   * @since 6.5.0
  14   *
  15   * @property-read array<string, string> $headers
  16   * @property-read array<string, string[]> $entries
  17   */
  18  class WP_Translations {
  19      /**
  20       * Text domain.
  21       *
  22       * @since 6.5.0
  23       * @var string
  24       */
  25      protected $textdomain = 'default';
  26  
  27      /**
  28       * Translation controller instance.
  29       *
  30       * @since 6.5.0
  31       * @var WP_Translation_Controller
  32       */
  33      protected $controller;
  34  
  35      /**
  36       * Constructor.
  37       *
  38       * @since 6.5.0
  39       *
  40       * @param WP_Translation_Controller $controller I18N controller.
  41       * @param string                    $textdomain Optional. Text domain. Default 'default'.
  42       */
  43  	public function __construct( WP_Translation_Controller $controller, string $textdomain = 'default' ) {
  44          $this->controller = $controller;
  45          $this->textdomain = $textdomain;
  46      }
  47  
  48      /**
  49       * Magic getter for backward compatibility.
  50       *
  51       * @since 6.5.0
  52       *
  53       * @param string $name Property name.
  54       * @return mixed
  55       */
  56  	public function __get( string $name ) {
  57          if ( 'entries' === $name ) {
  58              $entries = $this->controller->get_entries( $this->textdomain );
  59  
  60              $result = array();
  61  
  62              foreach ( $entries as $original => $translations ) {
  63                  $result[] = $this->make_entry( $original, $translations );
  64              }
  65  
  66              return $result;
  67          }
  68  
  69          if ( 'headers' === $name ) {
  70              return $this->controller->get_headers( $this->textdomain );
  71          }
  72  
  73          return null;
  74      }
  75  
  76      /**
  77       * Builds a Translation_Entry from original string and translation strings.
  78       *
  79       * @see MO::make_entry()
  80       *
  81       * @since 6.5.0
  82       *
  83       * @param string $original     Original string to translate from MO file. Might contain
  84       *                             0x04 as context separator or 0x00 as singular/plural separator.
  85       * @param string $translations Translation strings from MO file.
  86       * @return Translation_Entry Entry instance.
  87       */
  88  	private function make_entry( $original, $translations ): Translation_Entry {
  89          $entry = new Translation_Entry();
  90  
  91          // Look for context, separated by \4.
  92          $parts = explode( "\4", $original );
  93          if ( isset( $parts[1] ) ) {
  94              $original       = $parts[1];
  95              $entry->context = $parts[0];
  96          }
  97  
  98          $entry->singular     = $original;
  99          $entry->translations = explode( "\0", $translations );
 100          $entry->is_plural    = count( $entry->translations ) > 1;
 101  
 102          return $entry;
 103      }
 104  
 105      /**
 106       * Translates a plural string.
 107       *
 108       * @since 6.5.0
 109       *
 110       * @param string|null $singular Singular string.
 111       * @param string|null $plural   Plural string.
 112       * @param int|float   $count    Count. Should be an integer, but some plugins pass floats.
 113       * @param string|null $context  Context.
 114       * @return string|null Translation if it exists, or the unchanged singular string.
 115       */
 116  	public function translate_plural( $singular, $plural, $count = 1, $context = '' ) {
 117          if ( null === $singular || null === $plural ) {
 118              return $singular;
 119          }
 120  
 121          $translation = $this->controller->translate_plural( array( $singular, $plural ), (int) $count, (string) $context, $this->textdomain );
 122          if ( false !== $translation ) {
 123              return $translation;
 124          }
 125  
 126          // Fall back to the original with English grammar rules.
 127          return ( 1 === $count ? $singular : $plural );
 128      }
 129  
 130      /**
 131       * Translates a singular string.
 132       *
 133       * @since 6.5.0
 134       *
 135       * @param string|null $singular Singular string.
 136       * @param string|null $context  Context.
 137       * @return string|null Translation if it exists, or the unchanged singular string
 138       */
 139  	public function translate( $singular, $context = '' ) {
 140          if ( null === $singular ) {
 141              return null;
 142          }
 143  
 144          $translation = $this->controller->translate( $singular, (string) $context, $this->textdomain );
 145          if ( false !== $translation ) {
 146              return $translation;
 147          }
 148  
 149          // Fall back to the original.
 150          return $singular;
 151      }
 152  }


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