PHP code example of phplang / scope-exit

1. Go to this page and download the library: Download phplang/scope-exit library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

phplang / scope-exit example snippets


function f(&$x) {
  $x = 1;
  $_ = new \PhpLang\ScopeExit(function() use (&$x) { $x = 2; });
  // $x is still 1 at this point.
  return 42;
  // After the return, the local scope is cleaned up, the closure is invoked, and it's set to 2
}

f($a);
var_dump($a); // int(2)