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Refactor post.php: extract symbol post body stripping

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This commit is contained in:
Zankaria 2024-01-30 14:26:19 +01:00
parent d02c4eb31d
commit c43229af8e
1 changed files with 28 additions and 16 deletions
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44
post.php
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@ -34,6 +34,33 @@ function md5_hash_of_file($config, $path) {
}
}
/**
* Strip the symbols incompatible with the current database version.
*
* @param string @input The input string.
* @return string The value stripped of incompatible symbols.
*/
function strip_symbols($input) {
if (mysql_version() >= 50503) {
return $input; // Assume we're using the utf8mb4 charset
} else {
// MySQL's `utf8` charset only supports up to 3-byte symbols
// Remove anything >= 0x010000
$chars = preg_split('//u', $input, -1, PREG_SPLIT_NO_EMPTY);
$ret = '';
foreach ($chars as $char) {
$o = 0;
$ord = ordutf8($char, $o);
if ($ord >= 0x010000) {
continue;
}
$ret .= $char;
}
return $ret;
}
}
/**
* Method handling functions
*/
@ -850,22 +877,7 @@ if (isset($_POST['delete'])) {
$post['body'] .= "\n<tinyboard proxy>".$proxy."</tinyboard>";
}
if (mysql_version() >= 50503) {
$post['body_nomarkup'] = $post['body']; // Assume we're using the utf8mb4 charset
} else {
// MySQL's `utf8` charset only supports up to 3-byte symbols
// Remove anything >= 0x010000
$chars = preg_split('//u', $post['body'], -1, PREG_SPLIT_NO_EMPTY);
$post['body_nomarkup'] = '';
foreach ($chars as $char) {
$o = 0;
$ord = ordutf8($char, $o);
if ($ord >= 0x010000)
continue;
$post['body_nomarkup'] .= $char;
}
}
$post['body_nomarkup'] = strip_symbols($post['body']);
$post['tracked_cites'] = markup($post['body'], true);