The IntlCodePointBreakIterator class

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

Introduction

This break iterator identifies the boundaries between UTF-8 code points.

Class synopsis

class IntlCodePointBreakIterator extends IntlBreakIterator {
/* Inherited constants */
public const int IntlBreakIterator::DONE;
/* Methods */
public getLastCodePoint(): int
/* Inherited methods */
public static IntlBreakIterator::createCharacterInstance(?string $locale = null): ?IntlBreakIterator
public static IntlBreakIterator::createLineInstance(?string $locale = null): ?IntlBreakIterator
public static IntlBreakIterator::createSentenceInstance(?string $locale = null): ?IntlBreakIterator
public static IntlBreakIterator::createTitleInstance(?string $locale = null): ?IntlBreakIterator
public static IntlBreakIterator::createWordInstance(?string $locale = null): ?IntlBreakIterator
public IntlBreakIterator::following(int $offset): int
public IntlBreakIterator::getLocale(int $type): string|false
public IntlBreakIterator::getPartsIterator(string $type = IntlPartsIterator::KEY_SEQUENTIAL): IntlPartsIterator
public IntlBreakIterator::getText(): ?string
public IntlBreakIterator::isBoundary(int $offset): bool
public IntlBreakIterator::next(?int $offset = null): int
public IntlBreakIterator::preceding(int $offset): int
public IntlBreakIterator::setText(string $text): ?bool
}

Table of Contents

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User Contributed Notes 1 note

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Matt Kynx
1 year ago
An example of using this to find all the code points in a string that cannot be transliterated to Latin-ASCII:

<?php

$string
= "Народm, Intl gurus get paid €10000/hr 😁";

$latinAscii = Transliterator::create('NFC; Any-Latin; Latin-ASCII;');
$transliterated = $latinAscii->transliterate($string);

$codePoints = IntlBreakIterator::createCodePointInstance();
$codePoints->setText($transliterated);

foreach (
$codePoints->getPartsIterator() as $char) {
$ord = IntlChar::ord($char);
if (
255 < $ord) {
echo
IntlChar::charName($ord) . "\n";
}
}
?>

Outputs:
EURO SIGN
GRINNING FACE WITH SMILING EYES
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