context-manager.php

<?php declare(strict_types=1);

$iterator = ['foo', 'bar', 'baz'];

foreach ($iterator as $key => $value) {
  
}

using (new ContextManager as $context) {
  
}

using ($manager = new ContextManager as $context) {
  
}

using (new ContextManager as $manager => $context) {
  
}

with (new ContextManager as $context) {
  
}

for using (new ContextManager as $context) {
  
}

try using (new ContextManager as $context) {
  
}