grapheme_strrpos   26 ext/intl/grapheme/grapheme.h PHP_FUNCTION(grapheme_strrpos);
grapheme_strrpos  236 ext/intl/grapheme/grapheme_string.c PHP_FUNCTION(grapheme_strrpos)
grapheme_strrpos  735 ext/intl/php_intl.c 	PHP_FE( grapheme_strrpos, grapheme_search_args )