[edit] Last updated: Fri, 30 Nov 2012

mb_strimwidth

(PHP 4 >= 4.0.6, PHP 5)

mb_strimwidth — Get truncated string with specified width

Opis

string mb_strimwidth ( string $str , int $start , int $width [, string $trimmarker [, string $encoding ]] )

Truncates string str to specified width.

Parametry

str: The string being decoded.
start: The start position offset. Number of characters from the beginning of string. (First character is 0)
width: The width of the desired trim.
trimmarker: A string that is added to the end of string when string is truncated.
encoding: Parametr encoding określa kodowanie znaków. Jeśli nie jest podany, to zostanie użyta wewnętrzna wartość kodowania zanków.

Zwracane wartości

The truncated string. If trimmarker is set, trimmarker is appended to the return value.

Przykłady

Przykład #1 mb_strimwidth() example


<?php
echo mb_strimwidth("Hello World", 0, 10, "...");
// outputs Hello W...
?>

Zobacz też:

mb_strwidth() - Return width of string
mb_internal_encoding() - Set/Get internal character encoding

add a note User Contributed Notes mb_strimwidth - [2 notes]

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josiah dot ritchie at gmail dot com ¶

5 years ago


While having the option to append a string to the end is nice, you can run into the problem of having a space between the append if the width is truncated after a space. I find something like this to be more attractive in the output, although messy in the code.



rtrim(mb_strimwidth($string, 0, 24))."..."

down

CBieser ¶

4 years ago


<?php


function strimwidthCenter( $value, $length = 40 ) {


    $valueEncoding = mb_detect_encoding( $value, 'auto', true );


    if ( $length >= mb_strwidth( $value, $valueEncoding ) ) {


        return $value;


    }


    $limited = '';


    $firstWidth = ceil( $length/2 );


    $secondStart = mb_strwidth( $value, $valueEncoding ) - ( $length - $firstWidth );


    $secondWidth = $length - $firstWidth +1;


    $limited = mb_strimwidth( $value, 0, $firstWidth, '...', $valueEncoding ) . mb_substr( $value, $secondStart, $secondWidth, $valueEncoding );


    return $limited;


}


?>

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