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<Normalizer::isNormalizedMessageFormatter>
^NormalizerLast updated: Mon, 26 Oct 2026

Normalizer::normalize

normalizer_normalize

(PHP 5 >= 5.3.0, PHP 7, PHP 8, PECL intl >= 1.0.0)

Normalizer::normalize -- normalizer_normalize — Normalizes the input provided and returns the normalized string

Description

Object-oriented style

public static function Normalizer::normalize(string $string, int $form = Normalizer::FORM_C): string|false

Procedural style

function normalizer_normalize(string $string, int $form = Normalizer::FORM_C): string|false

Normalizes the input provided and returns the normalized string

Parameters

string

The input string to normalize

form

One of the normalization forms.

Return Values

The normalized string or false if an error occurred.

Examples

Example #1 normalizer_normalize() example

<?php
$char_A_ring = "\xC3\x85"; // 'LATIN CAPITAL LETTER A WITH RING ABOVE' (U+00C5)
$char_combining_ring_above = "\xCC\x8A";  // 'COMBINING RING ABOVE' (U+030A)
 
$char_1 = normalizer_normalize( $char_A_ring, Normalizer::FORM_C );
$char_2 = normalizer_normalize( 'A' . $char_combining_ring_above, Normalizer::FORM_C );
 
echo urlencode($char_1);
echo ' ';
echo urlencode($char_2);
?>

Example #2 OO example

<?php
$char_A_ring = "\xC3\x85"; // 'LATIN CAPITAL LETTER A WITH RING ABOVE' (U+00C5)
$char_combining_ring_above = "\xCC\x8A";  // 'COMBINING RING ABOVE' (U+030A)
 
$char_1 = Normalizer::normalize( $char_A_ring, Normalizer::FORM_C );
$char_2 = Normalizer::normalize( 'A' . $char_combining_ring_above, Normalizer::FORM_C );
 
echo urlencode($char_1);
echo ' ';
echo urlencode($char_2);
?>

The above example will output:

%C3%85 %C3%85

See Also


<Normalizer::isNormalizedMessageFormatter>
^NormalizerLast updated: Mon, 26 Oct 2026