Comment [코멘트 조회]
전체 코멘트수 11
64, 65번... ㅡㅡ;
$x = &$a; 에서 엉뚱하게 $x가 나오길래
$b의 오타인 줄 알고 풀었네요. ㅎㅎ;;;
66번은 몰랐던 사실이군요.
66. $a = \＇foo\＇;
$b = isSet($a[\＇bar\＇]);
what is $b? right is: TRUE
The \＇bar\＇ in $a[\＇bar\＇] evaluates to int 0 (see the PHP Cheat Sheet at http://www.blueshoes.org/en/developer/php_cheat_sheet/). Then it is $a[0] and now each character in the string $a (foo) can be accessed with its char number, like an array. So that is an \＇f\＇. And that thing is set.
$x = &$a; 에서 엉뚱하게 $x가 나오길래
$b의 오타인 줄 알고 풀었네요. ㅎㅎ;;;
66번은 몰랐던 사실이군요.
66. $a = \＇foo\＇;
$b = isSet($a[\＇bar\＇]);
what is $b? right is: TRUE
The \＇bar\＇ in $a[\＇bar\＇] evaluates to int 0 (see the PHP Cheat Sheet at http://www.blueshoes.org/en/developer/php_cheat_sheet/). Then it is $a[0] and now each character in the string $a (foo) can be accessed with its char number, like an array. So that is an \＇f\＇. And that thing is set.
