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run code in 300+ PHP versions simultaneously
<?php class Handler { protected $_sp; public function __construct() { $this->_sp = fopen('wrap://lalal', 'a'); } } class Wrapper { protected $_fp; public function stream_close() { die('waa'); } public function stream_open($path, $mode) { $this->_fp = fopen('/tmp/asdf', $mode); return true; } } stream_wrapper_register('wrap', 'Wrapper'); class Manager { public static $stuff; } Manager::$stuff = new stdClass(); Manager::$stuff->Logs = new Handler;

preferences:
33.36 ms | 402 KiB | 5 Q