Odd behaviour in a switch statement

Question

I\'m writing code for a sortable table, where clicking the links in the header change the ORDER BY executed when generating a set of search results (the case where there the

Answer 1

The key point is that a switch() statement performs comparisons between the parameter and the labels. That means that you have to deal with PHP comparison and type casting rules. Just see some examples:

The reference can be found at:

• http://es.php.net/manual/en/language.operators.comparison.php
• http://es.php.net/manual/en/types.comparisons.php#types.comparisions-loose
• http://es.php.net/manual/en/control-structures.switch.php

Initializing an unset GET parameter to 0 is a pretty strange design decision. You should deal with that particular case in a separate fashion to make it clear that it's a special situation:

if( $name===0 ){
    return '';
}
switch($name){
    // ...
}