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<?php

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/**

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* I18N: WP_Translations class.

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* @package WordPress

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* @subpackage I18N

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* @since 6.5.0

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/**

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* Class WP_Translations.

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* @since 6.5.0

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* @property-read array<string, string> $headers

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* @property-read array<string, string[]> $entries

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class WP_Translations {

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/**

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* Text domain.

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* @since 6.5.0

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* @var string

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protected $textdomain = 'default';

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/**

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* Translation controller instance.

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* @since 6.5.0

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* @var WP_Translation_Controller

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protected $controller;

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/**

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* Constructor.

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* @since 6.5.0

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* @param WP_Translation_Controller $controller I18N controller.

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* @param string $textdomain Optional. Text domain. Default 'default'.

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public function __construct( WP_Translation_Controller $controller, string $textdomain = 'default' ) {

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$this->controller = $controller;

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$this->textdomain = $textdomain;

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}

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/**

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* Magic getter for backward compatibility.

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* @since 6.5.0

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* @param string $name Property name.

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* @return mixed

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public function __get( string $name ) {

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if ( 'entries' === $name ) {

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$entries = $this->controller->get_entries( $this->textdomain );

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$result = array();

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foreach ( $entries as $original => $translations ) {

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$result[] = $this->make_entry( $original, $translations );

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}

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return $result;

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}

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if ( 'headers' === $name ) {

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return $this->controller->get_headers( $this->textdomain );

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}

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return null;

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}

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/**

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* Builds a Translation_Entry from original string and translation strings.

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* @see MO::make_entry()

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* @since 6.5.0

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* @param string $original Original string to translate from MO file. Might contain

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* 0x04 as context separator or 0x00 as singular/plural separator.

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* @param string $translations Translation strings from MO file.

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* @return Translation_Entry Entry instance.

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private function make_entry( $original, $translations ): Translation_Entry {

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$entry = new Translation_Entry();

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// Look for context, separated by \4.

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$parts = explode( "\4", $original );

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if ( isset( $parts[1] ) ) {

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$original = $parts[1];

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$entry->context = $parts[0];

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}

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$entry->singular = $original;

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$entry->translations = explode( "\0", $translations );

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$entry->is_plural = count( $entry->translations ) > 1;

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return $entry;

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}

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/**

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* Translates a plural string.

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* @since 6.5.0

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* @param string|null $singular Singular string.

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* @param string|null $plural Plural string.

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* @param int|float $count Count. Should be an integer, but some plugins pass floats.

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* @param string|null $context Context.

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* @return string|null Translation if it exists, or the unchanged singular string.

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public function translate_plural( $singular, $plural, $count = 1, $context = '' ) {

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if ( null === $singular || null === $plural ) {

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return $singular;

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}

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$translation = $this->controller->translate_plural( array( $singular, $plural ), (int) $count, (string) $context, $this->textdomain );

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if ( false !== $translation ) {

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return $translation;

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}

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// Fall back to the original with English grammar rules.

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return ( 1 === $count ? $singular : $plural );

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}

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/**

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* Translates a singular string.

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* @since 6.5.0

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* @param string|null $singular Singular string.

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* @param string|null $context Context.

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* @return string|null Translation if it exists, or the unchanged singular string

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public function translate( $singular, $context = '' ) {

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if ( null === $singular ) {

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return null;

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}

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$translation = $this->controller->translate( $singular, (string) $context, $this->textdomain );

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if ( false !== $translation ) {

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return $translation;

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}

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// Fall back to the original.

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return $singular;

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}

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}

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