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Adding one to an upper case character using the increment operator
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In which language where you increment a character (well .... it has to be uppercase in this case) by 1 and you get the next character in ASCII (also alphabetic) sequence ?
I don't know if this is supported in any other language but this is doable in PHP (even in older versions).
$column = 'B';
echo ++$column;
will output C
But these won't work :
$column = $column + 1; - will throw string to integer operation error - TypeError: 'str' object cannot be interpreted as an integer$column-- will not give you the previous charcater in sequence. Will not throw any errors though. Will retain value as 'B'$column = 'b';This is what I did in a real use-case : (I got the XLSX sheet's data map to a PHP array using another script)
<?php
$data = [
'B' => [5=>105,15,205,22,35,332],
'D' => [5=>95,95,99,32,442,95],
'E' => [5=>62,89,51,55,32,95],
'F' => [5=>66,78,44,9,329,55],
'G' => [5=>55,100,80,63,951,32],
'H' => [5=>10,55,591,32,200,80]
];
?>
<table border="1">
<?php
for ($i = 5; $i <= 10; $i++)
{
echo "<tr>";
for ($j = 'B'; $j !== 'I'; $j++)
{
# echo $j;
if ($j == 'C') continue;
echo "<td>";
if (!isset($data[$j][$i])) continue;
$value = $data[$j][$i];
echo $value;
echo "</td>";
}
echo "</tr>";
}
?>
</table>
Isn't this just so cool ?