delim_str        4992 ext/standard/string.c 	char *delim_str = NULL, *enc_str = NULL, *esc_str = NULL;
delim_str        4995 ext/standard/string.c 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "S|sss", &str, &delim_str, &delim_len,
delim_str        5000 ext/standard/string.c 	delim = delim_len ? delim_str[0] : delim;