ZipArchive::setArchiveComment

(PHP 5 >= 5.2.0, PHP 7, PHP 8, PECL zip >= 1.4.0)

ZipArchive::setArchiveComment — Set the comment of a ZIP archive

说明

public ZipArchive::setArchiveComment(string $comment): bool

Set the comment of a ZIP archive.

参数

comment: The contents of the comment.

返回值

成功时返回 true，或者在失败时返回 false。

范例

示例 #1 Create an archive and set a comment


<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
    $zip->addFromString('test.txt', 'file content goes here');
    $zip->setArchiveComment('new archive comment');
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>

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User Contributed Notes 2 notes

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stanislav dot eckert at vizson dot de ¶

7 years ago


Please note that ZIP archives do not support unicode encodings like UTF-8, so multi-byte characters cannot be shown in standard ZIP viewers like WinRAR or 7-zip. However, the text will stored as-is, so it is at least possible to display UTF-8 comments in your own desktop or web applications. If you want to test with PHP and output in a browser, don't forget to set page charset to UTF-8 too:

header("Content-Type: text/plain; charset=utf-8");

down

solrac at ragnarockradio dot com ¶

5 years ago


Zip archives are encoded in ISO-8859-1 when stored but comments seem to be added in UTF-8 everytime. So...

<?php
   $zip->setArchiveComment("Peña");    //outputs "PeÃ±a" as the comment.

   $zip->setArchiveComment("Peña");    //outputs "NULL" as the comment / no comment is displayed.
?>

Using mb_internal_encoding() or mb_http_output() wont change this behavior.
At the end you can fix your corrupted comment using something like str_replace();

Consider this:

<?php
$zip = new ZipArchive;
$res = $zip->open('test.zip', ZipArchive::CREATE);
if ($res === TRUE) {
    $zip->addFromString('test.txt', 'file content goes here');
    $zip->setArchiveComment('Peña'); //outputs "PeÃ±a" as the comment.
    $zip->close();
    $file = file_get_contents('test.zip');
    file_put_contents('test.zip', str_replace("Peña", utf8_decode("Peña"), $file)); //outputs "Peña" as the comment. FIXED!

    echo 'ok';
} else {
    echo 'failed';
}
?>

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官方地址：https://www.php.net/manual/en/ziparchive.setarchivecomment.php

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ZipArchive::setArchiveComment

说明

参数

返回值

范例

User Contributed Notes 2 notes