v1.0.0

includes/class-robotstxt-mlp2-mlp5-reader-site-relations.php

@@ -0,0 +1,58 @@
+<?php
+/**
+ * MLP2 site relations reader.
+ *
+ * Reads all site connection rows from the MLP2 backup site_relations table.
+ *
+ * MLP2 site_relations schema:
+ *   site_1 INT UNSIGNED  -- lower site ID
+ *   site_2 INT UNSIGNED  -- higher site ID
+ *   PRIMARY KEY (site_1, site_2)
+ *
+ * @package Robotstxt_Mlp2_Mlp5
+ */
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit;
+}
+
+/**
+ * Class Robotstxt_Mlp2_Mlp5_Reader_Site_Relations
+ */
+class Robotstxt_Mlp2_Mlp5_Reader_Site_Relations {
+
+	/**
+	 * Return all MLP2 site relation rows as an array of associative arrays.
+	 *
+	 * Each element has keys: site_1 (int), site_2 (int).
+	 *
+	 * @return array[]
+	 */
+	public static function get_all(): array {
+		global $wpdb;
+
+		$mlp2  = new Robotstxt_Mlp2_Mlp5_Detector_Mlp2();
+		$table = $mlp2->get_site_relations_table();
+
+		if ( '' === $table ) {
+			return array();
+		}
+
+		// phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.InterpolatedNotPrepared
+		$rows = $wpdb->get_results( "SELECT site_1, site_2 FROM `{$table}`", ARRAY_A );
+
+		if ( ! is_array( $rows ) ) {
+			return array();
+		}
+
+		$result = array();
+		foreach ( $rows as $row ) {
+			$result[] = array(
+				'site_1' => (int) $row['site_1'],
+				'site_2' => (int) $row['site_2'],
+			);
+		}
+
+		return $result;
+	}
+}