New course! Every coder should learn Generative AI!
Try a free lesson+ 10
What is the output of the following code:
$a = '1'; $b = &$a; $b = "2$b"; echo $a.", ".$b;
4 Answers
+ 3
21, 21
+ 3
21,21
+ 2
21, 21
+ 1
21,21
$a = '1'; $b = &$a; $b = "2$b"; echo $a.", ".$b;