Why, if I have array of objects like this:
class testClass {
private $_x = 10;
public function setX($x) {
$this->_x = $x;
}
public function writeX() {
echo $this->_x . '<br />';
}
}
$t = array();
for ($i = 0; $i < 10; $i++) {
$t[] = new testClass();
}
print_r($t);
I can iterate by foreach like this:
foreach ($t as $tt) {
$tt->y = 7;
$tt->setX($counter);
$counter+=100;
}
print_r($t);
Or this:
foreach ($t as &$tt) {
$tt->y = 7;
$tt->setX($counter);
$counter+=100;
}
print_r($t);
And result will be equal? But if i have scalar values in array, they can only be modified by ($arr as &$v), $v only by reference ?
