(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)
Normalizer::isNormalized -- normalizer_is_normalized — Checks if the provided string is already in the specified normalization form
Object oriented style
public static Normalizer::isNormalized ( string $input [, int $form = Normalizer::FORM_C ] ) : bool
Procedural style
normalizer_is_normalized ( string $input [, int $form = Normalizer::FORM_C ] ) : bool
Checks if the provided string is already in the specified normalization form.
input
The input string to normalize
form
One of the normalization forms.
true
if normalized, false
otherwise or if there an error
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:
© 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
https://www.php.net/manual/en/normalizer.isnormalized.php