Set the modification time of an entry defined by its index

# 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 function ZipArchive::setMtimeIndex(int `$index`, int `$timestamp`, int `$flags` = 0): 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->setMtimeIndex(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

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