Created
January 20, 2014 14:57
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PHP convert numbers to capital letters (useful to create excel tables)
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| function num2alpha($n) { | |
| $r = ''; | |
| for ($i = 1; $n >= 0 && $i < 10; $i++) { | |
| $r = chr(0x41 + ($n % pow(26, $i) / pow(26, $i - 1))) . $r; | |
| $n -= pow(26, $i); | |
| } | |
| return $r; | |
| } |
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