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PHP range() Function

Definition and Usage

The range() function creates an array containing a range of elements.

This function returns an array of elements from low to high.

range(low,high,step)

Parameter	Description
low	Required. Specifies the lowest value of the array
high	Required. Specifies the highest value of the array
step	Optional. Specifies the increment used in the range. Default is 1 Note: This parameter was added in PHP 5

Note: If the low parameter is higher than the high parameter, the range array will be from high to low.

<?php
$number = range(0,5);
print_r ($number);
?>

The output of the code above will be:

Array
(
[0] => 0
[1] => 1
[2] => 2
[3] => 3
[4] => 4
[5] => 5
)

<?php
$number = range(0,50,10);
print_r ($number);
?>

The output of the code above will be:

Array
(
[0] => 0
[1] => 10
[2] => 20
[3] => 30
[4] => 40
[5] => 50
)

<?php
$letter = range("a","d");
print_r ($letter);
?>

The output of the code above will be:

Array
(
[0] => a
[1] => b
[2] => c
[3] => d
)