Php/docs/function.range
range
(PHP 4, PHP 5, PHP 7)
range — Create an array containing a range of elements
Description
range
( string|int|float $start
, string|int|float $end
[, int|float $step = 1
] ) : array
Create an array containing a range of elements.
Parameters
start- First value of the sequence.
end- The sequence is ended upon reaching the
endvalue. step- If a
stepvalue is given, it will be used as the increment between elements in the sequence.stepshould be given as a positive number. If not specified,stepwill default to 1.
Return Values
Returns an array of elements from start to
end, inclusive.
Examples
Example #1 range() examples
<?php// array(0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)foreach (range(0, 12) as $number) { echo $number;}// The step parameter// array(0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100)foreach (range(0, 100, 10) as $number) { echo $number;}// Usage of character sequences// array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i');foreach (range('a', 'i') as $letter) { echo $letter;}// array('c', 'b', 'a');foreach (range('c', 'a') as $letter) { echo $letter;}?>
Notes
Note:
Character sequence values are limited to a length of one. If a length greater than one is entered, only the first character is used.
