- implode: documentation ( source)
- range: documentation ( source)
<?php
$a = range(3,9);
foreach ($a as $b) {
switch($b) {
case 3:
$b = 7;
case 7:
$b = 3;
default:
// do nothing
}
}
echo implode('-',$a);
$a = range(3,9);
foreach ($a as &$b) {
switch($b) {
case 3:
$b = 7;
case 7:
$b = 3;
default:
// do nothing
}
}
echo implode('-',$a);
// Excerpt From: Lorna Mitchell. “Zend Certification Preparation Pack.” iBooks.