Last active
January 30, 2023 13:29
-
-
Save codemasher/d07d3e6e9346c08e7a41b8b978784952 to your computer and use it in GitHub Desktop.
Create a table of Shift-JIS Kanji in PHP
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| <?php | |
| /** | |
| * sjis-table.php | |
| * | |
| * QR Code ISO/IEC 18004:2000 - 8.4.5 Kanji Mode | |
| * | |
| * @see https://en.wikipedia.org/wiki/Shift_JIS#With_vendor_or_JIS_X_0213_extensions | |
| * @see http://www.rikai.com/library/kanjitables/kanji_codes.sjis.shtml | |
| * | |
| * @created 29.01.2023 | |
| * @author smiley <[email protected]> | |
| * @copyright 2023 smiley | |
| * @license MIT | |
| */ | |
| $list = []; | |
| for($byte1 = 0x81; $byte1 < 0xeb; $byte1 += 0x1){ | |
| // skip invalid range | |
| if(($byte1 > 0x84 && $byte1 < 0x88) || ($byte1 > 0x9f && $byte1 < 0xe0)){ | |
| continue; | |
| } | |
| $byte1IsOdd = ($byte1 % 2) !== 0; | |
| $list[$byte1] = $byte1IsOdd | |
| ? array_fill(0x40, 96, null) // 0x40 - 0x9e | |
| : array_fill(0x90, 112, null); // 0x9f - 0xfc | |
| // second byte of a double-byte JIS X 0208 character whose first half of the JIS sequence was odd | |
| if($byte1IsOdd){ | |
| for($byte2 = 0x40; $byte2 < 0x9f; $byte2++){ | |
| if($byte2 === 0x7f){ | |
| continue; | |
| } | |
| $list[$byte1][$byte2] = chr($byte1).chr($byte2); | |
| } | |
| } | |
| // second byte if the first half of the JIS sequence was even | |
| else{ | |
| for($byte2 = 0x9f; $byte2 < 0xfd; $byte2++){ | |
| $list[$byte1][$byte2] = chr($byte1).chr($byte2); | |
| } | |
| } | |
| } | |
| // output | |
| if(php_sapi_name() !== 'cli'){ | |
| echo '<!doctype html> | |
| <html lang="ja"> | |
| <head> | |
| <meta charset="UTF-8"> | |
| <title>Shift JIS Kanji Code Table</title> | |
| </head> | |
| <body> | |
| '; | |
| foreach($list as $chars){ | |
| $chars = array_map(fn($chr) => ($chr !== null ? mb_convert_encoding($chr, 'UTF-8', 'SJIS-2004') : null), $chars); | |
| $rows = []; | |
| foreach(array_chunk($chars, 16, true) as $row){ | |
| $rows[] = sprintf('<td>%s</td>', implode('</td><td>', $row)); | |
| } | |
| printf("<table><tr>%s</tr></table>\n", implode('</tr><tr>', $rows)); | |
| } | |
| echo '</body>'; | |
| } | |
| else{ | |
| foreach($list as $chars){ | |
| $chars = array_map(fn($chr) => ($chr !== null ? mb_convert_encoding($chr, 'UTF-8', 'SJIS-2004') : null), $chars); | |
| $rows = []; | |
| foreach(array_chunk($chars, 16, true) as $row){ | |
| $rows[] = implode(' ', $row); | |
| } | |
| printf("%s\n", implode("\n", $rows)); | |
| } | |
| } | |
| exit; |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment