
PHP Array Exercises : Create a letter range with arbitrary length
PHP Array: Exercise-30 with Solution
Write a PHP program to create a letter range with arbitrary length.
Sample Solution:
PHP Code:
<?php
function letter_range($length)
{
$data_range = array();
$letters = range('A', 'Z');
for($i=0; $i<$length; $i++)
{
$position = $i*26;
foreach($letters as $ii => $letter)
{
$position++;
if($position <= $length)
$data_range[] = ($position > 26 ? $data_range[$i-1] : '').$letter;
}
}
return $data_range;
}
print_r(letter_range(7));
?>
Sample Output:
Array ( [0] => A [1] => B [2] => C [3] => D [4] => E [5] => F [6] => G )
Flowchart:

PHP Code Editor:
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