(PHP 5 >= 5.3.0, PHP 7, PECL intl >= 1.0.0)
Normalizer::isNormalized -- normalizer_is_normalized — Verifica se a string fornecida já está na forma normalizada especificada.
Estilo orientado à objeto
$input
[, int $form = Normalizer::FORM_C
] )Estilo procedural
$input
[, int $form = Normalizer::FORM_C
] )Verifica se a string fornecida já está na forma normalizada especificada.
inputA string de entrada para verificar a normalização
formUma das formas de normalização.
TRUE se a string estiver normalizada, FALSE caso contrário ou se houver um erro
Exemplo #1 Exemplo de normalizer_is_normalized()
<?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";
?>
Exemplo #2 Exemplo Orientado a Objetos
<?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";
?>
O exemplo acima irá imprimir:
not normalized; normalized