sapi_register_input_filter  281 ext/filter/filter.c 	sapi_register_input_filter(php_sapi_filter, php_sapi_filter_init TSRMLS_CC);
sapi_register_input_filter   78 main/php_content_types.c 	sapi_register_input_filter(php_default_input_filter, NULL TSRMLS_CC);