Function to flatten data structures

core/laabs.php

@@ -1448,4 +1448,37 @@ class laabs
         $message = $source.' '.$delay.'s '.round(memory_get_usage()/1000000).'/'.round(memory_get_peak_usage()/1000000).'Mb';
         static::log($message);
     }
+
+    /**
+     * Flatten a data structure
+     * @param mixed $data
+     * 
+     * @return array
+     */
+    public static function flatten($data, &$flat = [], $path = null)
+    {
+        if ($path) {
+            $flat[$path] = $data;
+        }
+
+        if (is_object($data)) {
+            if (!empty($path)) {
+                $path.='.';
+            }
+
+            foreach ($data as $name => $value) {
+                static::flatten($value, $flat, $path.$name);
+            }
+
+            return $flat; 
+        } 
+
+        if (is_array($data)) {
+            foreach ($data as $key => $value) {
+                static::flatten($value, $flat, $path.'['.$key.']');
+            }
+
+            return $flat;
+        }
+    }
 }