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wp-content/plugins/sitepress-multilingual-cms/inc/tools/sunrise.php

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+<?php
+/**
+ * WPML Sunrise Script - START
+ *
+ * @author OnTheGoSystems
+ * @version 3.7.0
+ *
+ * Place this script in the wp-content folder and add "define('SUNRISE', 'on');" in wp-config.php
+ * in order to enable using different domains for different languages in multisite mode
+ *
+ * Experimental feature
+ */
+
+/**
+ * Class WPML_Sunrise_Lang_In_Domains
+ *
+ * @author OnTheGoSystems
+ */
+class WPML_Sunrise_Lang_In_Domains {
+
+	/** @var  wpdb $wpdb */
+	private $wpdb;
+
+	/** @var  string $table_prefix */
+	private $table_prefix;
+
+	/** @var  string $current_blog */
+	private $current_blog;
+
+	/** @var  bool $no_recursion */
+	private $no_recursion;
+
+	/**
+	 * Method init
+	 */
+	public function init() {
+		if ( ! defined( 'WPML_SUNRISE_MULTISITE_DOMAINS' ) ) {
+			define( 'WPML_SUNRISE_MULTISITE_DOMAINS', true );
+		}
+
+		add_filter( 'query', array( $this, 'query_filter' ) );
+	}
+
+	/**
+	 * @param string $q
+	 *
+	 * @return string
+	 */
+	public function query_filter( $q ) {
+		$this->set_private_properties();
+
+		if ( ! $this->current_blog && ! $this->no_recursion ) {
+
+			$this->no_recursion = true;
+
+			$domains = $this->extract_variables_from_query( $q, 'domain' );
+
+			if ( $domains && $this->query_has_no_result( $q ) ) {
+				$q = $this->transpose_query_if_one_domain_is_matching( $q, $domains );
+			}
+
+			$this->no_recursion = false;
+		}
+
+		return $q;
+	}
+
+	/**
+	 * method set_private_properties
+	 */
+	private function set_private_properties() {
+		global $wpdb, $table_prefix, $current_blog;
+
+		$this->wpdb         = $wpdb;
+		$this->table_prefix = $table_prefix;
+		$this->current_blog = $current_blog;
+
+	}
+
+	/**
+	 * @param string $query
+	 *
+	 * @return array
+	 */
+	private function extract_variables_from_query( $query, $field ) {
+		$variables = array();
+		$patterns  = array(
+			'#WHERE\s+' . $field . '\s+IN\s*\(([^\)]+)\)#',
+			'#WHERE\s+' . $field . '\s*=\s*([^\s]+)#',
+			'#AND\s+' . $field . '\s+IN\s*\(([^\)]+)\)#',
+			'#AND\s+' . $field . '\s*=\s*([^\s]+)#',
+		);
+
+		foreach ( $patterns as $pattern ) {
+			$found = preg_match( $pattern, $query, $matches );
+			if ( $found && array_key_exists( 1, $matches ) ) {
+				$variables = $matches[1];
+				$variables = preg_replace( '/\s+/', '', $variables );
+				$variables = preg_replace( '/[\'"]/', '', $variables );
+				$variables = explode( ',', $variables );
+				break;
+			}
+		}
+
+		return $variables;
+	}
+
+	/**
+	 * @param string $q
+	 *
+	 * @return bool
+	 */
+	private function query_has_no_result( $q ) {
+		return ! (bool) $this->wpdb->get_row( $q );
+	}
+
+	/**
+	 * @param string $q
+	 * @param array  $domains
+	 *
+	 * @return string
+	 */
+	private function transpose_query_if_one_domain_is_matching( $q, $domains ) {
+		$paths = $this->extract_variables_from_query( $q, 'path' );
+
+		// Create as many placeholders as $paths we have.
+		$placeholders = implode( ',', array_fill( 0, sizeof( $paths ), '%s' ) );
+
+		// Array with all the parameters for preparing the SQL.
+		$parameters   = $paths;
+		$parameters[] = BLOG_ID_CURRENT_SITE;
+
+		// The ORDER is there to get the default site at the end of the results.
+		$blogs = $this->wpdb->get_col(
+			$this->wpdb->prepare(
+				"SELECT blog_id FROM {$this->wpdb->blogs} WHERE path IN ($placeholders) ORDER BY blog_id = %d",
+				$parameters
+			)
+		);
+
+		$found_blog_id = null;
+		foreach ( (array) $blogs as $blog_id ) {
+			$prefix = $this->table_prefix;
+
+			if ( $blog_id > 1 ) {
+				$prefix .= $blog_id . '_';
+			}
+
+			$icl_settings = $this->wpdb->get_var( "SELECT option_value FROM {$prefix}options WHERE option_name = 'icl_sitepress_settings'" );
+
+			if ( $icl_settings ) {
+				$icl_settings = unserialize( $icl_settings );
+
+				if ( $icl_settings && 2 === (int) $icl_settings['language_negotiation_type'] ) {
+					$found_blog_id = $this->get_blog_id_from_domain( $domains, $icl_settings, $blog_id );
+					if ( $found_blog_id ) {
+						$q = $this->wpdb->prepare( "SELECT blog_id FROM {$this->wpdb->blogs} WHERE blog_id = %d", $found_blog_id );
+						break;
+					}
+				}
+			}
+		}
+
+		return $q;
+	}
+
+	/**
+	 * @param array $domains
+	 * @param array $wpml_settings
+	 * @param int   $blog_id
+	 *
+	 * @return mixed
+	 */
+	private function get_blog_id_from_domain( array $domains, array $wpml_settings, $blog_id ) {
+		foreach ( $domains as $domain ) {
+			if ( in_array( 'http://' . $domain, $wpml_settings['language_domains'], true ) ) {
+				return $blog_id;
+			} elseif ( in_array( $domain, $wpml_settings['language_domains'], true ) ) {
+				return $blog_id;
+			}
+		}
+
+		return null;
+	}
+}
+
+$wpml_sunrise_lang_in_domains = new WPML_Sunrise_Lang_In_Domains();
+$wpml_sunrise_lang_in_domains->init();
+
+/**
+ * WPML Sunrise Script - END
+ */