grapheme_extract   31 ext/intl/grapheme/grapheme.h PHP_FUNCTION(grapheme_extract);
grapheme_extract  783 ext/intl/grapheme/grapheme_string.c PHP_FUNCTION(grapheme_extract)
grapheme_extract  740 ext/intl/php_intl.c 	PHP_FE( grapheme_extract, grapheme_extract_args )