-20 °C = -4 °F<br>-10 °C = 14 °F<br>0 °C = 32 °F<br>10 °C = 50 °F<br>20 °C = 68 °F<br>30 °C = 86 °F<br>40 °C = 104 °F<br><h2>Arrayer med loop</h2>-20 °C = -4 °F<br>-10 °C = 14 °F<br>0 °C = 32 °F<br>10 °C = 50 °F<br>20 °C = 68 °F<br>30 °C = 86 °F<br>40 °C = 104 °F<br><h2>var_dump</h2><pre>array(7) {
  [0]=>
  int(-20)
  [1]=>
  int(-10)
  [2]=>
  int(0)
  [3]=>
  int(10)
  [4]=>
  int(20)
  [5]=>
  int(30)
  [6]=>
  int(40)
}
array(7) {
  [0]=>
  int(-4)
  [1]=>
  int(14)
  [2]=>
  int(32)
  [3]=>
  int(50)
  [4]=>
  int(68)
  [5]=>
  int(86)
  [6]=>
  int(104)
}
</pre><h2>print_r</h2><pre>Array
(
    [0] => -20
    [1] => -10
    [2] => 0
    [3] => 10
    [4] => 20
    [5] => 30
    [6] => 40
)
Array
(
    [0] => -4
    [1] => 14
    [2] => 32
    [3] => 50
    [4] => 68
    [5] => 86
    [6] => 104
)
</pre>