sublimino@xxxxxxxxx wrote:
Hello all,
Having a problem with the behaviour of switch when mixing variable types. Eg
<?php
$page = 'review';
switch ($page) {
case 0:
echo "0";
break;
case 'review':
echo "review";
break;
}
?>
this code interprets $page as 0 in the switch. It's not a problem to
alter 'review' to a number, just less elegant. Can anybody shed a
little light on mixed variable types in switch statements please?
While browsing the manual I noticed it performs "loose comparison" but
that seems to be the same as == ?
My guess is that it's converting '$page' from a string to an int to do
the comparison because you don't have quotes around it.
If you do:
echo (int)'review';
you get 0.
If you look at the Loose Comparisons table here:
http://www.php.net/manual/en/types.comparisons.php#types.comparisions-loose
In the "php" column (second from the right), when compared to 0 without
quotes it evaluates to true, so it's expected behaviour.
So change it to:
case '0':
echo '0';
break;
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