ZipArchive::registerCancelCallback
(PHP >= 8.0.0, PECL zip >= 1.17.0)
ZipArchive::registerCancelCallback — Register a callback to allow cancellation during archive close.
Description
   Register a callback function to allow cancellation during archive close. 
  
Parameters
- 
callback
- 
      If this function return 0 operation will continue, other value it will be cancelled. 
Return Values
   Returns true on success or false on failure.
  
Examples
This example creates a ZIP file archive php.zip and cancel operation on some run condition.
Example #1 Archive a file
<?php
$zip = new ZipArchive();
if ($zip->open('php.zip', ZipArchive::CREATE | ZipArchive::OVERWRITE)) {
    $zip->addFile(PHP_BINARY, 'php');
    $zip->registerCancelCallback(function () {
        return ($someruncondition ? -1 : 0);
    });
    $zip->close();
}
Notes
Note:
This function is only available if built against libzip ≥ 1.6.0.
See Also
- ZipArchive::registerProgressCallback() - Register a callback to provide updates during archive close.
 
                     
                     
                     
                     
                    
 
          