--TEST-- grapheme() str[i]pos limits --SKIPIF-- <?php if( !extension_loaded( 'intl' ) ) die('skip'); if (PHP_INT_SIZE != 8) die('skip 64-bit only'); ?> --FILE-- <?php var_dump(grapheme_stripos(1,1,2147483648)); var_dump(grapheme_strpos(1,1,2147483648)); --EXPECT-- bool(false) bool(false)