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Bug #59118 Can not open more than 65535 entries
Submitted: 2010-03-15 14:09 UTC Modified: 2017-10-26 13:13 UTC
Avg. Score:4.5 ± 0.5
Reproduced:2 of 2 (100.0%)
Same Version:0 (0.0%)
Same OS:0 (0.0%)
From: niculaantoniu at yahoo dot com Assigned: cmb (profile)
Status: Closed Package: Zip Related
PHP Version: 5.2.0 OS: windows XP
Private report: No CVE-ID: None
 [2010-03-15 14:09 UTC] niculaantoniu at yahoo dot com
I have an archive with more than 65535 entries.
The ZipArchive and the zip functions can process only 65535 

Reproduce code:
	$zip = new ZipArchive();
	$zip->open($cwd."/", ZIPARCHIVE::CHECKCONS);

	for ($idx = 0 ; $idx<70000; $idx++){
		echo "<br>".$idx." ";
		//echo $zip->getFromIndex($idx);

Expected result:
70000 entries statistics

Actual result:
i will show echo 70000 lines but the last 
with stat info is the 65534 line


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 [2010-03-19 15:04 UTC] niculaantoniu at yahoo dot com
"The original ZIP format had a 4GB limit on various things 
(uncompressed size of a file, compressed size of a file and 
total size of the archive), as well as a limit of 65535 
entries in a zip archive. In version 4.5 of the 
specification (which is not the same as v4.5 of any 
particular tool), PKWARE introduced the "ZIP64" format 
extensions to get around these limitations. Zip64 support is 
emerging. For example, the File Explorer in Windows XP does 
not support ZIP64, but the Explorer in Windows Vista does. 
Likewise?some libraries, such as DotNetZip and 
IO::Compress::Zip in Perl, support ZIP64, while others, such 
as Java's built-in, still lack it."
 [2015-04-16 12:48 UTC]
-Package: zip +Package: Zip Related
 [2015-05-05 23:46 UTC]
-Status: Open +Status: Feedback -Assigned To: +Assigned To: cmb
 [2015-05-05 23:46 UTC]
I can neither reproduce this issue with PHP 5.5.24 nor 5.6.8 (nor
even 5.4.19) with the following augmented script:

    $zip = new ZipArchive();
        '', ZipArchive::CREATE | ZipArchive::OVERWRITE
    for ($i = 0; $i < 70000; $i++) {
        $zip->addFromString("$i.txt", 'foo');
    $zip = new ZipArchive();
    $zip->open('', ZIPARCHIVE::CHECKCONS);
    for ($i = 0 ; $i < 70000; $i++){
        echo $i . " ";

Do you still experience this issue with current PHP versions? If
so, we'd need further details, ideally a copy of an archive that
shows the behavior.
 [2015-05-17 04:22 UTC] php-bugs at lists dot php dot net
No feedback was provided. The bug is being suspended because
we assume that you are no longer experiencing the problem.
If this is not the case and you are able to provide the
information that was requested earlier, please do so and
change the status of the bug back to "Re-Opened". Thank you.
 [2017-10-26 12:47 UTC] marco dot clemencic at gmail dot com
For reference, I stumbled on this bug using PHP 5.3.3 (on a system equivalent to RedHat 6).

I found out that the problem was solved by the upgrade of libzip to 0.10, see

 [2017-10-26 13:13 UTC]
-Status: No Feedback +Status: Closed
 [2017-10-26 13:13 UTC]
Thanks for the info, Marco!

Since PHP 7.0.25 already requires at least libzip 0.11[1], this
ticket can be closed.

[1] <>
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