Online PHP editor | output for dr1m6

@ 2017-08-02T15:47:14Z

<?php
$charset = 'UTF-8'; // PHP Meh.
$encoding = 'UTF-8';

header('Content-Type: application/xml; charset=' . $charset);
ini_set('default_charset', $charset);
mb_internal_encoding('UTF-8');

$rawUtf8Text = '豁ｦ蠢・';
$encodedText = mb_encode_numericentity($rawUtf8Text, [0x0, 0xffff, 0, 0xffff], 'UTF-8');
$clearText = mb_decode_numericentity($encodedText, [0x0, 0xffff, 0, 0xffff], 'UTF-8');

echo "RAW UTF-8 STRING: {$clearText}\nNUMERICALLY ENCODED STRING: {$encodedText}\nROUND TRIP ENCODE/DECODE STRING: {$clearText}\n";

$xml = '<first-name>' . $encodedText . '</first-name>';
echo "ENCODED XML TO BE PARSED:{$xml}\n";
$decodedFromXml = mb_decode_numericentity(strip_tags($encodedText), [0x0, 0xffff, 0, 0xffff], 'UTF-8');
echo "DECODED STRING FROM XML: {$decodedFromXml}\n";

Output for 5.6.38, 7.0.0 - 7.0.32, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: RAW UTF-8 STRING: 豁ｦ蠢・ NUMERICALLY ENCODED STRING: 豁ｦ蠢・ ROUND TRIP ENCODE/DECODE STRING: 豁ｦ蠢・ ENCODED XML TO BE PARSED:<first-name>豁ｦ蠢・</first-name> DECODED STRING FROM XML: 豁ｦ蠢・
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 RAW UTF-8 STRING: 豁ｦ蠢・ NUMERICALLY ENCODED STRING: 豁ｦ蠢・ ROUND TRIP ENCODE/DECODE STRING: 豁ｦ蠢・ ENCODED XML TO BE PARSED:<first-name>豁ｦ蠢・</first-name> DECODED STRING FROM XML: 豁ｦ蠢・

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