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@ 2017-03-09T06:58:35Z

<?php

$invalid = "a\x80b";
$iter = IntlBreakIterator::createCodePointInstance();
$iter->setText($invalid);

while ($iter->next() !== IntlBreakIterator::DONE) {
    var_dump(
        $iter->getLastCodePoint(),
        $iter->getErrorCode(),
        $iter->getErrorMessage()
    );
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)

preferences:dark modelive previewkey bindings

33.46 ms | 404 KiB | 5 Q