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  • Normalizer::isNormalized()

    normalizer_is_normalized

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

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

    说明

    面向对象风格
    publicstaticNormalizer::isNormalized(string $input[,int $form= Normalizer::FORM_C]): bool
    过程化风格
    normalizer_is_normalized(string $input[,int $form= Normalizer::FORM_C]): bool

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

    参数

    $input

    The input string to normalize

    $form

    One of the normalization forms.

    返回值

    TRUE if normalized,FALSE otherwise or if there an error

    范例

    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";
    ?>
    

    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";
    ?>
    

    以上例程会输出:

    not normalized; normalized
    

    参见

    • normalizer_normalize() Normalizes the input provided and returns the normalized string