(PHP 4, PHP 5, PHP 7, PHP 8)
range — Create an array containing a range of elements
$start, string|int|float $end, int|float $step = 1): arrayCreate an array containing a range of elements.
startFirst value of the sequence.
end
The sequence is ended upon reaching the
end value.
step
If a step value is given, it will be used as the
increment (or decrement) between elements in the sequence. step
must not equal 0 and must not exceed the specified range. If not specified,
step will default to 1.
Returns an array of elements from start to
end, inclusive.
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;
}
?>
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.