range
(PHP 4, PHP 5, PHP 7, PHP 8)
range — Create an array containing a range of elements
Description
$start, string|int|float $end, int|float $step = 1): arrayCreate 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 (or decrement) between elements in the sequence.stepmust not equal0and must not exceed the specified range. 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;
}
echo "\n";
// The step parameter
// array(0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100)
foreach (range(0, 100, 10) as $number) {
echo $number;
}
echo "\n";
// Usage of character sequences
// array('a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i');
foreach (range('a', 'i') as $letter) {
echo $letter;
}
echo "\n";
// 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.
