The first one is definitely something that works, but which one below is the efficient way?
switch($type) {
case 1:
print 'success';
break;
case 2:
print 'success';
break;
case 3:
print 'success';
break;
case 4:
print 'success for type 4';
break;
}
Since 1, 2 and 3 print do the same, can I do this?
switch($type) {
case 1, 2, 3:
print 'success';
break;
case 4:
print 'success for type 4';
break;
}
or
switch($type) {
case 1:
case 2:
case 3:
print 'success';
break;
case 4:
print 'success for type 4';
break;
}
From stackoverflow
Brad
-
switch($type) { case 1: case 2: case 3: print 'success'; break; case 4: print 'success for type 4'; break; }
Is the way to go!
From Nescio -
PHP manual lists an example like your 3rd for switch:
<?php switch ($i) { case 0: case 1: case 2: echo "i is less than 3 but not negative"; break; case 3: echo "i is 3"; } ?>
From Jonathan Lonowski -
I agree with the others on the usage of:
switch ($i) { case 0: //drop case 1: //drop case 2: //drop echo "i is 0, 1, or 2"; break; // or you can line them up like this. case 3: case 4: case 5: echo "i is 3, 4 or 5"; break; }
The only thing I would add is the comments for the multi-line drop through case statements, so that way you know it's not a bug when you (or someone else) looks at the code after it was initially written.
From null
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