Online PHP editor | output for mJXhQ

@ 2018-02-13T13:46:25Z

<?php

function html_asciify(string $utf8String): string
{
    $iterator = IntlBreakIterator::createCodePointInstance();
    $iterator->setText($utf8String);

    $result = '';

    foreach ($iterator as $pos) {
        if ($pos === 0) {
            continue;
        }
 
        $codePoint = $iterator->getLastCodePoint();

        $result .= $codePoint <= 127
            ? chr($codePoint)
            : '&#x' . dechex($codePoint) . ';';
    }
    
    return $result;
}

$result = html_asciify("aaaååddd仕事bbbb\x80aaaa");

var_dump($result, html_entity_decode($result));

Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.26, 8.4.1 - 8.4.13: string(50) "aaaååddd仕事bbbb�aaaa" string(27) "aaaååddd仕事bbbb�aaaa"
Output for 8.0.13: Fatal error: Uncaught Error: Class "IntlBreakIterator" not found in /in/mJXhQ:5 Stack trace: #0 /in/mJXhQ(25): html_asciify('aaa\xC3\xA5\xC3\xA5ddd\xE4\xBB\x95\xE4\xBA...') #1 {main} thrown in /in/mJXhQ on line 5
Process exited with code 255.
Output for 7.3.32 - 7.3.33, 7.4.33: Fatal error: Uncaught Error: Class 'IntlBreakIterator' not found in /in/mJXhQ:5 Stack trace: #0 /in/mJXhQ(25): html_asciify('aaa\xC3\xA5\xC3\xA5ddd\xE4\xBB\x95\xE4\xBA...') #1 {main} thrown in /in/mJXhQ on line 5
Process exited with code 255.

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