# ZipArchive::setMtimeIndex

(PHP >= 8.0.0, PECL zip >= 1.16.0)

ZipArchive::setMtimeIndex — Set the modification time of an entry defined by its index

### Description

public ZipArchive::setMtimeIndex ( int `$index` , int `$timestamp` [, int `$flags` ] ) : bool

Set the modification time of an entry defined by its index.

### Parameters

`index`

  Index of the entry.

`timestamp`

  The modification time (unix timestamp) of the file.

`flags`

  Optional flags, unused for now.

### Return Values

Returns `TRUE` on success or `FALSE` on failure.

### Examples

This example creates a ZIP file archive test.zip and add the file test.txt with its modification date.

Example #1 Archive a file

`<?php
$zip = new ZipArchive();
if ($zip->open('test.zip', ZipArchive::CREATE) === TRUE) {
$zip->addFile('text.txt');
$zip->setMtimIndex(0, mktime(0,0,0,12,25,2019));
$zip->close();
echo "Ok\n";
} else {
echo "KO\n";
}
?>`

### Notes

> Note:

> This function is only available if built against libzip ≥ 1.0.0.

### See Also

- ZipArchive::setMtimeName() - Set the modification time of an entry defined by its name