Add pg4wp plugin and update wordpress.yaml

pg4wp/db.php

@@ -0,0 +1,54 @@
+<?php
+/*
+Plugin Name: PostgreSQL for WordPress (PG4WP)
+Plugin URI: https://github.com/PostgreSQL-For-Wordpress/postgresql-for-wordpress
+Description: PG4WP is a special plugin enabling WordPress to use a PostgreSQL database.
+Version: v3.0.0
+Author: PostgreSQL-For-Wordpress
+Author URI: https://github.com/PostgreSQL-For-Wordpress
+License: GPLv2 or newer.
+*/
+
+// Ensure we only load this config once
+if(!defined('PG4WP_ROOT')) {
+
+    // You can choose the driver to load here
+    if (!defined('DB_DRIVER')) {
+        define('DB_DRIVER', 'pgsql');
+    }
+
+    // Set this to 'true' and check that `pg4wp` is writable if you want debug logs to be written
+    if (!defined('PG4WP_DEBUG')) {
+        define('PG4WP_DEBUG', false);
+    }
+
+    if (!defined('PG4WP_LOG_ERRORS')) {
+        // If you just want to log queries that generate errors, leave PG4WP_DEBUG to "false"
+        // and set this to true
+        define('PG4WP_LOG_ERRORS', true);
+    }
+
+    // This defines the directory where PG4WP files are loaded from
+    //   3 places checked : wp-content, wp-content/plugins and the base directory
+    if(file_exists(ABSPATH . 'wp-content/pg4wp')) {
+        define('PG4WP_ROOT', ABSPATH . 'wp-content/pg4wp');
+    } elseif(file_exists(ABSPATH . 'wp-content/plugins/pg4wp')) {
+        define('PG4WP_ROOT', ABSPATH . 'wp-content/plugins/pg4wp');
+    } elseif(file_exists(ABSPATH . 'pg4wp')) {
+        define('PG4WP_ROOT', ABSPATH . 'pg4wp');
+    } else {
+        die('PG4WP file directory not found');
+    }
+
+    // Logs are put in the pg4wp directory
+    if (!defined('PG4WP_LOG')) {
+        define('PG4WP_LOG', PG4WP_ROOT . '/logs/');
+    }
+    // Check if the logs directory is needed and exists or create it if possible
+    if((PG4WP_DEBUG || PG4WP_LOG_ERRORS) && !file_exists(PG4WP_LOG) && is_writable(dirname(PG4WP_LOG))) {
+        mkdir(PG4WP_LOG);
+    }
+
+    // Here happens all the magic
+    require_once(PG4WP_ROOT . '/core.php');
+} // Protection against multiple loading