mb_strwidth

    (PHP 4 >= 4.0.6, PHP 5, PHP 7, PHP 8)

    mb_strwidth — Return width of string

    Beschreibung

    mb_strwidth(string$string, ?string$encoding = null): int

    Returns the width of stringstring, where halfwidth characters count as 1, and fullwidth characters count as 2. See » http://www.unicode.org/reports/tr11/ for details regarding East Asian character widths.

    The fullwidth characters are: U+1100-U+115F, U+11A3-U+11A7, U+11FA-U+11FF, U+2329-U+232A, U+2E80-U+2E99, U+2E9B-U+2EF3, U+2F00-U+2FD5, U+2FF0-U+2FFB, U+3000-U+303E, U+3041-U+3096, U+3099-U+30FF, U+3105-U+312D, U+3131-U+318E, U+3190-U+31BA, U+31C0-U+31E3, U+31F0-U+321E, U+3220-U+3247, U+3250-U+32FE, U+3300-U+4DBF, U+4E00-U+A48C, U+A490-U+A4C6, U+A960-U+A97C, U+AC00-U+D7A3, U+D7B0-U+D7C6, U+D7CB-U+D7FB, U+F900-U+FAFF, U+FE10-U+FE19, U+FE30-U+FE52, U+FE54-U+FE66, U+FE68-U+FE6B, U+FF01-U+FF60, U+FFE0-U+FFE6, U+1B000-U+1B001, U+1F200-U+1F202, U+1F210-U+1F23A, U+1F240-U+1F248, U+1F250-U+1F251, U+20000-U+2FFFD, U+30000-U+3FFFD. All other characters are halfwidth characters.

    Parameter-Liste

    string

    The string being decoded.

    encoding

    Der Parameter encoding legt die Zeichenkodierung fest. Wird er nicht übergeben, so wird die interne Zeichenkodierung genutzt.

    Rückgabewerte

    The width of stringstring.

    Changelog

    VersionBeschreibung
    8.0.0encoding ist nun nullable (akzeptiert den null-Wert).

    Beispiele

    Beispiel #1 mb_strwidth() example

    <?php
    var_dump    (
    mb_strwidth('a'), // LATIN SMALL LETTER A
    mb_strwidth("\u{ff41}") // FULLWIDTH LATIN SMALL LETTER A
    );
    ?>

    Das oben gezeigte Beispiel erzeugt folgende Ausgabe:

    int(1) int(2)

    Siehe auch

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