Normalizer::isNormalized

normalizer_is_normalized

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

Normalizer::isNormalized -- normalizer_is_normalized — Checks if the provided string is already in the specified normalization form.

Description

Object oriented style

static bool Normalizer::isNormalized ( string $input [, string $form = Normalizer::FORM_C ] )

Procedural style

bool normalizer_is_normalized ( string $input [, string $form = Normalizer::FORM_C ] )

Checks if the provided string is already in the specified normalization form.

Parameters

input

The input string to normalize

form

One of the normalization forms.

Return Values

TRUE if normalized, FALSE otherwise or if there an error

Examples

Example #1 normalizer_is_normalized() 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_orig = 'A' . $char_combining_ring_above;
$char_norm = normalizer_normalize( 'A' . $char_combining_ring_above, Normalizer::FORM_C );
 
echo ( normalizer_is_normalized($char_orig, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
echo '; ';
echo ( normalizer_is_normalized($char_norm, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
?>

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_orig = 'A' . $char_combining_ring_above;
$char_norm = Normalizer::normalize( 'A' . $char_combining_ring_above, Normalizer::FORM_C );
 
echo ( Normalizer::isNormalized($char_orig, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
echo '; ';
echo ( Normalizer::isNormalized($char_norm, Normalizer::FORM_C) ) ? "normalized" : "not normalized";
?>

The above example will output:

not normalized; normalized

See Also