PHP_FUNCTION(set_magic_quotes_runtime)
{
	zend_bool new_setting;

	if (zend_parse_parameters(ZEND_NUM_ARGS() TSRMLS_CC, "b", &new_setting) == FAILURE) {
		return;
	}
	
	if (new_setting) {
		php_error_docref(NULL TSRMLS_CC, E_CORE_ERROR, "magic_quotes_runtime is not supported anymore");
	}
	RETURN_FALSE;
}

This category addresses vulnerabilities caused by flawed access control mechanisms, where incorrect permission settings allow unauthorized users to access restricted resources.