(PHP 5 >= 5.6.0, PHP 7, PHP 8, PECL zip >= 1.12.4)

ZipArchive::getExternalAttributesIndexRetrieve the external attributes of an entry defined by its index


public ZipArchive::getExternalAttributesIndex(
    int $index,
    int &$opsys,
    int &$attr,
    int $flags = 0
): bool

Retrieve the external attributes of an entry defined by its index.

Elenco dei parametri


Index of the entry.


On success, receive the operating system code defined by one of the ZipArchive::OPSYS_ constants.


On success, receive the external attributes. Value depends on operating system.


If flags is set to ZipArchive::FL_UNCHANGED, the original unchanged attributes are returned.

Valori restituiti

Restituisce true in caso di successo, false in caso di fallimento.


This example extract all the entries of a ZIP archive and set the Unix rights from external attributes.

Example #1 Extract all entries with Unix rights

= new ZipArchive();
if (
$zip->open('') === TRUE) {
    for (
$idx=$s $zip->statIndex($idx) ; $idx++) {
        if (
$zip->extractTo('.'$s['name'])) {
            if (
$opsys==ZipArchive::OPSYS_UNIX) {
chmod($s['name'], ($attr >> 16) & 0777);
} else {
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