19 lines
450 B
PHP
19 lines
450 B
PHP
<?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));
|
|
?>
|