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PHP Manual :: range



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(PHP 4, PHP 5, PHP 7)

rangeCreate an array containing a range of elements

Description

array range ( mixed $start , mixed $end [, number $step = 1 ] )

Create an array containing a range of elements.

Parameters

start

First 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 between elements in the sequence. step should be given as a positive number. If not specified, step will 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(012) as $number) {
    echo 
$number;
}

// The step parameter
// array(0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100)
foreach (range(010010) 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.

See Also



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