note 83788 deleted from function.abs by hholzgra
| From: | hholzgra@php.net | Date: | Sun, 15 Apr 2012 19:29:48 +0000 |
| Subject: | note 83788 deleted from function.abs by hholzgra | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-187148@lists.php.net to get a copy of this message | ||
Note Submitter: olivierlabbe at votreespace dot net
----
making an on/off switch with 0 and 1
function on_off($value) {
return abs($value -1);
}
if you send 0, it'll return 1, and 1 return 0.
0 - 1 = -1, absolute of -1 = 1
1 - 1 = 0, absolute of 0 = 0