Array instead of switch-case in php
First of all, be warned, this article has no pratical relevance. It even might guide you to bad code. But this week it just popped into my mind that I could use an array instead of a switch-case construct. So see how we can do this. This is the example for the switch in the php manual.
switch ($i) {
case 0:
echo "i equals 0";
break;
case 1:
echo "i equals 1";
break;
case 2:
echo "i equals 2";
break;
}$case[0] = "echo \"i equals 0\";";Looks pretty, but what to do if you have to do the default statment. Nothing easier then that, we just have to look if eval goes ok and if not we do something after AND-short circuit:
$case[1] = "echo \"i equals 1\";";
$case[2] = "echo \"i equals 2\";";
eval($case[$i]);
eval($case[$i]) === false && print("default");comments
Silvan
@ 15.01.2008 13:45 CESTYou could offer classes in "How to program without control flow statements just by using eval(), || and &&" :-)
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I hope your new framework doesn't contain such "creative" programming :)