3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Logger { public function __construct() { register_shutdown_function(function () { // make regular flush before other shutdown functions, which allows session data collection and so on $this->flush(); // make sure log entries written by shutdown functions are also flushed // ensure "flush()" is called last when there are multiple shutdown functions register_shutdown_function([$this, 'flush'], true); }); } public function flush($final = false) { return 1; } } for ($i = 0; $i < 200; $i++) { $a = new Logger(); }

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