fix parsing with new default comment

examples/config.rs

@@ -1,8 +1,10 @@
+use std::env::args;
+
 use miette::Result;
 use nextcloud_config_parser::parse;
 
 fn main() -> Result<()> {
-    let config = parse("tests/configs/basic.php")?;
+    let config = parse(args().nth(1).expect("no config file provided"))?;
     dbg!(config);
     Ok(())
 }

src/nc.rs

@@ -53,7 +53,7 @@ fn parse_php(path: impl AsRef<Path>) -> Result<Value> {
         }
     }
 
-    let php = match content.find("$CONFIG") {
+    let php = match content.rfind("$CONFIG") {
         Some(pos) => content[pos + "$CONFIG".len()..]
             .trim()
             .trim_start_matches('='),

tests/configs.rs

@@ -81,6 +81,36 @@ fn test_parse_config_basic() {
     );
 }
 
+#[test]
+fn test_parse_config_example_comment() {
+    let config = config_from_file("tests/configs/comment_example.php");
+    assert_eq!("https://cloud.example.com", config.nextcloud_url);
+    assert_eq!("oc_", config.database_prefix);
+    assert_debug_equal(
+        &Database::MySql {
+            database: "nextcloud".to_string(),
+            username: "nextcloud".to_string(),
+            password: "secret".to_string(),
+            connect: DbConnect::Tcp {
+                host: "127.0.0.1".to_string(),
+                port: 3306,
+            },
+            ssl_options: SslOptions::Disabled,
+        },
+        &config.database,
+    );
+
+    assert_eq!(
+        config.database.url(),
+        "mysql://nextcloud:secret@127.0.0.1/nextcloud?ssl-mode=disabled"
+    );
+
+    assert_debug_equal(
+        RedisConfig::Single(parse_redis("redis://127.0.0.1")),
+        config.redis,
+    );
+}
+
 #[test]
 fn test_parse_implicit_prefix() {
     let config = config_from_file("tests/configs/implicit_prefix.php");

tests/configs/comment_example.php

@@ -0,0 +1,31 @@
+<?php
+
+/**
+ * WARNING
+ *
+ * This file gets modified by automatic processes and all lines that are not
+ * active code (ie. comments) are lost during that process.
+ *
+ * If you want to document things with comments or use constants add your settings
+ * in a '<NAME>.config.php' file which will be included and rendered into this file.
+ *
+ * Example:
+ *   <?php
+ *   $CONFIG = [];
+ *
+ * See also: https://docs.nextcloud.com/server/latest/admin_manual/configuration_server/config_sample_php_parameters.html#multiple-merged-configuration-files
+ */
+
+$CONFIG = [
+    "overwrite.cli.url" => "https://cloud.example.com",
+    "dbtype" => "mysql",
+    "dbname" => "nextcloud",
+    "dbhost" => "127.0.0.1",
+    "dbport" => "",
+    "dbtableprefix" => "oc_",
+    "dbuser" => "nextcloud",
+    "dbpassword" => "secret",
+    "redis" => [
+        "host" => "localhost",
+    ],
+];