Filling Arrays in PHP
Let's say we have some array:
<?php
$arr = [];
?>
Let's fill this array with some elements. It can be done like this:
<?php
$arr = [1, 2, 3, 4, 5];
?>
Alternatively, you can initially create an empty array, and then add data to it like this:
<?php
$arr = [];
$arr[] = 1;
$arr[] = 2;
$arr[] = 3;
$arr[] = 4;
$arr[] = 5;
?>
Obviously, this method is not very convenient,
especially if there are a lot of elements in the array.
Let's rewrite our code so that the array filling
is done by a for loop:
<?php
$arr = [];
for ($i = 1; $i <= 5; $i++) {
$arr[] = $i;
}
var_dump($arr);
?>
Using a loop, fill an array with numbers
from 1 to 100.
Using a loop, fill an array with odd
numbers in the range from 1 to 99.
