zstep            2095 ext/standard/array.c 	zval *zlow, *zhigh, *zstep = NULL, tmp;
zstep            2099 ext/standard/array.c 	if (zend_parse_parameters(ZEND_NUM_ARGS(), "zz|z", &zlow, &zhigh, &zstep) == FAILURE) {
zstep            2103 ext/standard/array.c 	if (zstep) {
zstep            2104 ext/standard/array.c 		if (Z_TYPE_P(zstep) == IS_DOUBLE ||
zstep            2105 ext/standard/array.c 			(Z_TYPE_P(zstep) == IS_STRING && is_numeric_string(Z_STRVAL_P(zstep), Z_STRLEN_P(zstep), NULL, NULL, 0) == IS_DOUBLE)
zstep            2110 ext/standard/array.c 		step = zval_get_double(zstep);