Fix user ini parsing under RC_DEBUG

Suppress checking during the actual parsing, but make sure to
duplicate strings on activate. The parsing result may be shared
across requests, but activation should work on per-request strings.

Author: nikic

main/php_ini.c

@@ -782,7 +782,17 @@ PHPAPI int php_parse_user_ini_file(const char *dirname, const char *ini_filename
 				/* Reset active ini section */
 				RESET_ACTIVE_INI_HASH();
 
+#if ZEND_RC_DEBUG
+				/* User inis are parsed during SAPI activate (part of the request),
+				 * but persistently allocated to allow caching. This is fine as long as
+				 * strings are duplicated in php_ini_activate_config(). */
+				bool orig_rc_debug = zend_rc_debug;
+				zend_rc_debug = false;
+#endif
 				ret = zend_parse_ini_file(&fh, 1, ZEND_INI_SCANNER_NORMAL, (zend_ini_parser_cb_t) php_ini_parser_cb, target_hash);
+#if ZEND_RC_DEBUG
+				zend_rc_debug = orig_rc_debug;
+#endif
 				if (ret == SUCCESS) {
 					/* FIXME: Add parsed file to the list of user files read? */
 				}
@@ -803,7 +813,9 @@ PHPAPI void php_ini_activate_config(HashTable *source_hash, int modify_type, int
 
 	/* Walk through config hash and alter matching ini entries using the values found in the hash */
 	ZEND_HASH_FOREACH_STR_KEY_VAL(source_hash, str, data) {
-		zend_alter_ini_entry_ex(str, Z_STR_P(data), modify_type, stage, 0);
+		zend_string *data_str = zend_string_dup(Z_STR_P(data), 0);
+		zend_alter_ini_entry_ex(str, data_str, modify_type, stage, 0);
+		zend_string_release(data_str);
 	} ZEND_HASH_FOREACH_END();
 }
 /* }}} */