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Confirm, answer is B. You can play this program in any PHP online playgrounds.
Program:
class Test {
public $var = 1;
}
function addMe(Test $t){
$t->var++;
}
$t = new Test();
addMe($t);
echo $t->var;
output:
2
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thuanpt
2 years, 6 months agoAndres_Espinosa1
2 years, 11 months ago[Removed]
3 years, 10 months agoZhukovPeter
4 years, 3 months agobarea
4 years, 4 months ago