<?php $x = 50; $x += 100; echo $x; ?> what the value of x

Answer 1

150
$x+=100; is equal to $x=$x+100
it's a shortened way of using assignment operator

Answer 2

Good

Answer 3

150 its ok

Answer 4

150

Answer 5

150

Answer 6

You do realize you could just test the code in the code playground?

Answer 7

150

Answer 8

150

Answer 9

result is 150 (50 + 100)

Answer 10

150

Answer 11

150