COMPILE_DL_FILTER  153 ext/filter/filter.c #ifdef COMPILE_DL_FILTER
COMPILE_DL_FILTER  196 ext/filter/filter.c #if defined(COMPILE_DL_FILTER) && defined(ZTS)
COMPILE_DL_FILTER   68 ext/filter/php_filter.h #if defined(COMPILE_DL_FILTER) && defined(ZTS)