2012-04-01ã‹ã‚‰1ヶ月間ã®è¨˜äº‹ä¸€è¦§
PHP :: Bug #54547 :: wrong equality of string numbers $a = '9223372036854775807'; $b = '9223372036854775808'; if ($a == $b) { echo "$a == $b\n"; } else { echo "$a != $b\n"; } // displays 9223372036854775807 == 9223372036854775808 マニュア…