(PHP >= 8.0.0, PECL zip >= 1.17.0)
ZipArchive::registerProgressCallback — Register a callback to provide updates during archive close.
Register a callback function to provide updates during archive close.
rateChange between each call of the callback (from 0.0 to 1.0).
callback
This function will receive the current state as a float (from 0.0 to 1.0).
成功时返回 TRUE， 或者在失败时返回 FALSE。
Note:
This function is only available if built against libzip ≥ 1.3.0.
This example creates a ZIP file archive php.zip and show progression.
Example #1 Archive a file
$zip = new ZipArchive();
if ($zip->open('php.zip', ZipArchive::CREATE | ZipArchive::OVERWRITE)) {
$zip->addFile(PHP_BINARY, 'php');
$zip->registerProgressCallback(0.05, function ($r) {
printf("%d%%\n", $r * 100);
});
$zip->close();
}