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.
Syntax
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 1Note: This parameter was added in PHP 5 |
Tips and Notes
Note: If the low parameter is higher than the high parameter, the range array will be from high to low.Example 1
<?php
$number = range(0,5);
print_r ($number); ?>
$number = range(0,5);
print_r ($number); ?>
Array
(
[0] => 0
[1] => 1
[2] => 2
[3] => 3
[4] => 4
[5] => 5
)
(
[0] => 0
[1] => 1
[2] => 2
[3] => 3
[4] => 4
[5] => 5
)
Example 2
<?php
$number = range(0,50,10);
print_r ($number);
?>
$number = range(0,50,10);
print_r ($number);
?>
Array
(
[0] => 0
[1] => 10
[2] => 20
[3] => 30
[4] => 40
[5] => 50
)
(
[0] => 0
[1] => 10
[2] => 20
[3] => 30
[4] => 40
[5] => 50
)
Example 3
<?php
$letter = range("a","d");
print_r ($letter);
?>
$letter = range("a","d");
print_r ($letter);
?>
Array
(
[0] => a
[1] => b
[2] => c
[3] => d
)
(
[0] => a
[1] => b
[2] => c
[3] => d
)
No comments:
Post a Comment