--- a/main/main.c       2021-10-11 16:03:48.539247868 +0200
+++ b/main/main.c       2021-10-11 16:03:14.828953458 +0200
@@ -707,6 +707,7 @@
        STD_PHP_INI_ENTRY("sys_temp_dir",                       NULL,           PHP_INI_SYSTEM,         OnUpdateStringUnempty,  sys_temp_dir,                   php_core_globals,       core_globals)
        STD_PHP_INI_ENTRY("include_path",                       PHP_INCLUDE_PATH,               PHP_INI_ALL,           OnUpdateStringUnempty,   include_path,                   php_core_globals,       core_globals)
        PHP_INI_ENTRY("max_execution_time",                     "30",           PHP_INI_ALL,                    OnUpdateTimeout)
+       STD_PHP_INI_BOOLEAN("strict_time_limit",                "0",            PHP_INI_SYSTEM,         OnUpdateBool,  strict_time_limit,                       php_core_globals,       core_globals)
        STD_PHP_INI_ENTRY("open_basedir",                       NULL,           PHP_INI_ALL,            OnUpdateBaseDir,open_basedir,                   php_core_globals,       core_globals)

        STD_PHP_INI_BOOLEAN("file_uploads",                     "1",            PHP_INI_SYSTEM,         OnUpdateBool,  file_uploads,                    php_core_globals,       core_globals)
@@ -1459,6 +1460,8 @@
                RETURN_THROWS();
        }

+       if (PG(strict_time_limit)) RETURN_FALSE;
+
        new_timeout_strlen = (int)zend_spprintf(&new_timeout_str, 0, ZEND_LONG_FMT, new_timeout);

        key = zend_string_init("max_execution_time", sizeof("max_execution_time")-1, 0);
--- a/main/php_globals.h        2021-10-11 16:05:25.412968311 +0200
+++ b/main/php_globals.h        2021-10-11 16:05:15.886602340 +0200
@@ -111,6 +111,7 @@
        zval http_globals[6];

        zend_bool expose_php;
+       zend_bool strict_time_limit;

        zend_bool register_argc_argv;
        zend_bool auto_globals_jit;