--TEST-- mb_substr() --SKIPIF-- <?php extension_loaded('mbstring') or die('skip mbstring not available'); ?> --INI-- output_handler= mbstring.func_overload=0 --FILE-- <?php // TODO: Add more encodings ini_set('include_path','.'); include_once('common.inc'); // EUC-JP $euc_jp = b'0123この文字列は日本語です。EUC-JPを使っています。日本語は面倒臭い。'; print "1: ". bin2hex(mb_substr($euc_jp, 10, 10,'EUC-JP')) . "\n"; print "2: ". bin2hex(mb_substr($euc_jp, 0, 100,'EUC-JP')) . "\n"; $str = mb_substr($euc_jp, 100, 10,'EUC-JP'); // Note: returns last character ($str === "") ? print "3 OK\n" : print "NG: ".bin2hex($str)."\n"; $str = mb_substr($euc_jp, -100, 10,'EUC-JP'); ($str !== "") ? print "4 OK: ".bin2hex($str)."\n" : print "NG: ".bin2hex($str)."\n"; ?> --EXPECT-- 1: c6fccbdcb8eca4c7a4b9a1a34555432d 2: 30313233a4b3a4cecab8bbfacef3a4cfc6fccbdcb8eca4c7a4b9a1a34555432d4a50a4f2bbc8a4c3a4c6a4a4a4dea4b9a1a3c6fccbdcb8eca4cfccccc5ddbdada4a4a1a3 3 OK 4 OK: 30313233a4b3a4cecab8bbfacef3a4cf