php 8.2 deprecation utf8_decode/utf8_encode

[brianteeman]

php 8.2 will shortly be entering beta phase. Although there are not as many deprecations as in 8.1 we were very much behind the curve with 8.1 and we should be more proactive and look at this deprecations now.

Deprecate and Remove utf8_encode and utf8_decode

More information in the RFC

joomla-cms/installation/src/Form/Rule/UsernameRule.php

Lines 41 to 44 in 09d14c6

	if (
	preg_match('#[<>"\'%;()&\\\\]|\\.\\./#', $value) || strlen(utf8_decode($value)) < 2
	|| $filterInput->clean($value, 'TRIM') !== $value
	|| strlen(utf8_decode($value)) > $element['size']

joomla-cms/components/com_users/src/Model/ProfileModel.php

Lines 128 to 130 in 09d14c6

	if ($username) {
	$isUsernameCompliant = !(preg_match('#[<>"\'%;()&\\\\]|\\.\\./#', $username) || strlen(utf8_decode($username)) < 2
	|| trim($username) !== $username);

joomla-cms/libraries/src/Filter/InputFilter.php

Lines 425 to 455 in 09d14c6

	protected function decode($source)
	{
	static $ttr;
	if (!\is_array($ttr)) {
	// Entity decode
	$trans_tbl = get_html_translation_table(HTML_ENTITIES, ENT_COMPAT, 'ISO-8859-1');
	foreach ($trans_tbl as $k => $v) {
	$ttr[$v] = utf8_encode($k);
	}
	}
	$source = strtr($source, $ttr);
	// Convert decimal
	$source = preg_replace_callback(
	'/&#(\d+);/m',
	function ($m) {
	return utf8_encode(\chr($m[1]));
	},
	$source
	);
	// Convert hex
	$source = preg_replace_callback(
	'/&#x([a-f0-9]+);/mi',
	function ($m) {
	return utf8_encode(\chr('0x' . $m[1]));
	},
	$source

[brianteeman]

Closed see #39583