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run code in 300+ PHP versions simultaneously

@ 2015-11-02T20:55:42Z

<?php

class Singleton {
    private static $instanciated = false;
    
    public function __construct()
    {
        if (self::$instanciated === true) {
            throw new RuntimeException('Could not instanciate class');
        }
        self::$instanciated = true;
        echo "new instance\n";
    }
    
    private $var;
    
    public function get(): int {
        return $this->var;
    }
    
    public function set(int $value) {
        $this->var = $value;
    }
}

class Factory {
    
    private $instance = null;
    
    public function getInstance()
    {
        echo "getInstance()\n";
        if ($this->instance === null) {
            $this->instance = new Singleton();
        }
        return $this->instance;
    }
}

$factory = new Factory();
$o = $factory->getInstance();
$o->set(5);

$factory2 = new Factory();
try {
  $o2 = $factory->getInstance();
  var_dump($o2->get());
} catch (Throwable $e) {
  echo "Non: ", $e->getMessage(), "\n"; 
}

Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: getInstance() new instance getInstance() int(5)
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 getInstance() new instance getInstance() int(5)
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28: Parse error: syntax error, unexpected ':', expecting ';' or '{' in /in/l3N2X on line 17
Process exited with code 255.

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