개발관련/PHP
[PHP]References
파노카페
2012. 4. 20. 15:31
Reference Assignment "; // returns 1/2 $a = 1; $b =& $a; $b = 2; echo "a:{$a} / b: {$b}
"; // returns 2/2 unset($b); echo "a:{$a} / b: {$b}
"; ?>
a:1 / b: 2
a:2 / b: 2
a:2 / b:
a:2 / b: 2
| ( ! ) Notice: Undefined variable: b in D:\wamp\www\php\references.php on line 21 | ||||
|---|---|---|---|---|
| Call Stack | ||||
| # | Time | Memory | Function | Location |
| 1 | 0.0005 | 672904 | {main}( ) | ..\references.php:0 |