PHP 8 reference · Array Functions

PHP range() Function

Create an array of numbers or letters from a start to an end value, with an optional step, such as range(1, 10, 2).

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Syntax

range(string|int|float $start, string|int|float $end, int|float $step = 1): array

Parameter	Description
`start`	The first value.
`end`	The last value (included if the step lands on it).
`step` optional	The increment; must not be 0. Default: `1`

An array of values.

NumbersTry it yourself

<?php
echo implode(",", range(1, 5)), "\n";
echo implode(",", range(0, 20, 5)), "\n";
echo implode(",", range(5, 1)), "\n";

Output

1,2,3,4,5
0,5,10,15,20
5,4,3,2,1

Letters and decimalsTry it yourself

<?php
echo implode("", range("a", "f")), "\n";
echo implode(",", range(0, 1, 0.25)), "\n";

Output

abcdef
0,0.25,0.5,0.75,1

Version	Change
PHP 4.0	Added
PHP 8.3	A float step that's a whole number gives integers, and a step of 0 throws a `ValueError` with a clearer message.

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