Retrieve the external attributes of an entry defined by its index

# ZipArchive::getExternalAttributesIndex

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

ZipArchive::getExternalAttributesIndex — Retrieve the external attributes of an entry defined by its index

### Description

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

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

### Parameters

`index`

  Index of the entry.

`opsys`

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

`attr`

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

`flags`

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

### Return Values

Returns `true` on success or `false` on failure.

### Examples

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

Example #1 Extract all entries with Unix rights

`<?php
$zip = new ZipArchive();
if ($zip->open('test.zip') === TRUE) {
for ($idx=0 ; $s = $zip->statIndex($idx) ; $idx++) {
if ($zip->extractTo('.', $s['name'])) {
if ($zip->getExternalAttributesIndex($idx, $opsys, $attr)
&& $opsys==ZipArchive::OPSYS_UNIX) {
chmod($s['name'], ($attr >> 16) & 0777);
}
}
}
$zip->close();
echo "Ok\n";
} else {
echo "KO\n";
}
?>`
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