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<?php if ( ! defined( 'ABSPATH' ) ) { exit;} class Haet_Multilanguage { private $multilang_plugin; public function __construct() { if ( defined( 'POLYLANG_BASENAME' ) ) { $this->multilang_plugin = 'Polylang'; } elseif ( apply_filters( 'wpml_current_language', null ) ) { $this->multilang_plugin = 'WPML'; } else { $this->multilang_plugin = false; } } public function is_multilanguage_site() { return $this->multilang_plugin !== false; } public function get_multilang_plugin() { return $this->multilang_plugin; } public function get_current_language() { if ( $this->multilang_plugin == 'WPML' ) { $current_language = apply_filters( 'wpml_current_language', null ); if ( $current_language != 'all' ) { return $current_language; } } elseif ( $this->multilang_plugin == 'Polylang' ) { $current_language = pll_current_language(); return $current_language; } return ''; } public function maybe_print_language_label( $theme_options, $key ) { if ( ! $this->is_multilanguage_site() || ! $this->is_translation_enabled_for_field( $theme_options, $key ) ) { echo ''; } else { echo esc_attr( strtoupper( $this->get_current_language() ) ); } } public function get_translateable_theme_option( $theme_options, $key ) { if ( ! $this->is_multilanguage_site() || ! $this->is_translation_enabled_for_field( $theme_options, $key ) ) { return $theme_options[ $key ]; } $translateable_key = $this->get_translateable_theme_options_key( $theme_options, $key ); if ( array_key_exists( $translateable_key, $theme_options ) ) { return $theme_options[ $translateable_key ]; } return $theme_options[ $key ]; } // we add another field ..._enable_translation to every translatable field e.g. footer_enable_translation public function is_translation_enabled_for_field( $theme_options, $key ) { return ( array_key_exists( $key . '_enable_translation', $theme_options ) && $theme_options[ $key . '_enable_translation' ] == 1 ); } public function get_translateable_theme_options_key( $theme_options, $key ) { if ( ! $this->is_multilanguage_site() || ! $this->is_translation_enabled_for_field( $theme_options, $key ) ) { return $key; } $current_language = $this->get_current_language(); if ( $current_language && $current_language != '' ) { return $key . '_' . $current_language; } return $key; } public function get_email_post_id_in_current_language( $post_id ) { if ( ! $this->is_multilanguage_site() ) { return false; } if ( $this->multilang_plugin == 'WPML' ) { $translated_post_id = apply_filters( 'wpml_object_id', $post_id, 'wphtmlmail_mail', false ); } elseif ( $this->multilang_plugin == 'Polylang' ) { $translated_post_id = pll_get_post( $post_id ); } return ( $translated_post_id ? $translated_post_id : false ); } }
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