Proposed extension info change to allow getting info for unloaded extensions

core/polyfills.php

@@ -801,4 +801,31 @@ function iterator_map(callable $callback, iterator $iter): Generator
 function iterator_map_to_array(callable $callback, iterator $iter): array
 {
     return iterator_to_array(iterator_map($callback, $iter));
+}
+
+
+function get_class_from_file(string $file): string
+{
+    $fp = fopen($file, 'r');
+    $class = $buffer = '';
+    $i = 0;
+    while (!$class) {
+        if (feof($fp)) break;
+
+        $buffer .= fread($fp, 512);
+        $tokens = token_get_all($buffer);
+
+        if (strpos($buffer, '{') === false) continue;
+
+        for (;$i<count($tokens);$i++) {
+            if ($tokens[$i][0] === T_CLASS) {
+                for ($j=$i+1;$j<count($tokens);$j++) {
+                    if ($tokens[$j] === '{') {
+                        $class = $tokens[$i+2][1];
+                    }
+                }
+            }
+        }
+    }
+    return $class;
 }