- Variable variables
- 변수 변수
1 Bash
greeting="Hello World"
variable_name="greeting"
eval echo \$$variable_name
# Hello World
greeting="Hello World"
variable_name="greeting"
eval result=\$$variable_name
echo $result
# Hello World
2 PHP
$greeting = "Hello World";
$variable_name = "greeting";
echo $$variable_name;
// Hello World
로그인하시면 댓글을 쓸 수 있습니다.
{{ comment.name }}
{{ comment.created | snstime }}
-
{{comment.page_title}} ―{{comment.name}}