Add test for get_cfg_var with array variable

And fix incorrect variable shadowing in add_config_entry(). However,
the test doesn't hit this case, as it requires a nested array. I'm
not sure if it's possible to produce nested arrays from ini?

Author: nikic

ext/standard/basic_functions.c

@@ -4690,6 +4690,8 @@ PHP_FUNCTION(get_current_user)
 }
 /* }}} */
 
+static void add_config_entries(HashTable *hash, zval *return_value);
+
 /* {{{ add_config_entry
  */
 static void add_config_entry(zend_ulong h, zend_string *key, zval *entry, zval *retval)
@@ -4701,14 +4703,9 @@ static void add_config_entry(zend_ulong h, zend_string *key, zval *entry, zval *
 			add_index_str(retval, h, zend_string_copy(Z_STR_P(entry)));
 		}
 	} else if (Z_TYPE_P(entry) == IS_ARRAY) {
-		zend_ulong h;
-		zend_string *key;
-		zval *zv, tmp;
-
+		zval tmp;
 		array_init(&tmp);
-		ZEND_HASH_FOREACH_KEY_VAL(Z_ARRVAL_P(entry), h, key, zv)
-			add_config_entry(h, key, zv, &tmp);
-		ZEND_HASH_FOREACH_END();
+		add_config_entries(Z_ARRVAL_P(entry), &tmp);
 		zend_hash_update(Z_ARRVAL_P(retval), key, &tmp);
 	}
 }

ext/standard/tests/general_functions/get_cfg_var_array.phpt

@@ -0,0 +1,27 @@
+--TEST--
+Using get_cfg_var() on an array ini value
+--INI--
+ary[a] = 1
+ary[b] = 2
+ary2[1] = a
+ary2[2] = b
+--FILE--
+<?php
+
+var_dump(get_cfg_var('ary'));
+var_dump(get_cfg_var('ary2'));
+
+?>
+--EXPECT--
+array(2) {
+  ["a"]=>
+  string(1) "1"
+  ["b"]=>
+  string(1) "2"
+}
+array(2) {
+  [1]=>
+  string(1) "a"
+  [2]=>
+  string(1) "b"
+}