Add includes/jsondb.php

includes/jsondb.php

@@ -0,0 +1,60 @@
+<?php
+
+declare(strict_types=1);
+
+class JsonDB
+{
+    public static function read(string $file): array
+    {
+        if (!file_exists($file)) {
+            return [];
+        }
+
+        $json = file_get_contents($file);
+
+        if (!$json) {
+            return [];
+        }
+
+        return json_decode($json, true) ?? [];
+    }
+
+    public static function write(
+        string $file,
+        array $data
+    ): bool {
+
+        $dir = dirname($file);
+
+        if (!is_dir($dir)) {
+            mkdir($dir, 0775, true);
+        }
+
+        $fp = fopen($file, 'c+');
+
+        if (!$fp) {
+            return false;
+        }
+
+        flock($fp, LOCK_EX);
+
+        ftruncate($fp, 0);
+
+        fwrite(
+            $fp,
+            json_encode(
+                $data,
+                JSON_PRETTY_PRINT |
+                JSON_UNESCAPED_UNICODE
+            )
+        );
+
+        fflush($fp);
+
+        flock($fp, LOCK_UN);
+
+        fclose($fp);
+
+        return true;
+    }
+}