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unicodeToHtmlEntities: Fix PHP 8.2 deprecation #272

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unicodeToHtmlEntities: Fix PHP 8.2 deprecation #272

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7 changes: 6 additions & 1 deletion Mf2/Parser.php
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Original file line number Diff line number Diff line change
Expand Up @@ -93,7 +93,12 @@ function fetch($url, $convertClassic = true, &$curlInfo=null) {
* @return string
*/
function unicodeToHtmlEntities($input) {
return mb_convert_encoding($input, 'HTML-ENTITIES', mb_detect_encoding($input));
// Convert all non-ASCII characters to HTML numeric entities.
$convmap = [
0x80, 0x1FFFFF, 0, 0x10FFFF,
];

return mb_encode_numericentity($input, $convmap, mb_detect_encoding($input), true);
}

/**
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