PHP: fill an array with numbers

Question

If i have a variable $num = 50 how can i put numbers 1-50 into an array? (50 is an example.. i wont know how many questions)

Answer 1

for ($i = 1; $i <= $num; ++$i) { $array[] = $i; }

Answer 2

Take a look at the range function.

$array = range(1, $num);

Answer 3

<?php $array = range(1, 50); ?>

Have a look at range function