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run code in 300+ PHP versions simultaneously

@ 2020-03-04T18:57:09Z

<?php
class SomeImmutableObject
{
    private $someString;
    private $flagCreate = false;

    public function __construct(string $value)
    {

        if ($this->flagCreate === true) {
            throw new \BadMethodCallException('This is an immutable object has already create.');
        }

        $this->someString = $value;
        $this->flagCreate = true;
    }

    public function getValue(): string
    {
        return 'the value is:' . $this->someString . ' - ';
    }
}

class AnotherClassToBreakImmutableObject extends SomeImmutableObject
{

    public function __construct(string $value)
    {
        $this->someString = $value;
    }

    public function getValue(): string
    {
        return 'the value is:' . $this->someString . ' - ';
    }

    public function change(): void
    {
        $this->someString .= ' and Minny';
    }
}

$three = new AnotherClassToBreakImmutableObject('Pippo');
echo $three->getValue(); //Pippo
echo $three->change();
echo $three->getValue(); //the value is: Pippo and Minny -

Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Deprecated: Creation of dynamic property AnotherClassToBreakImmutableObject::$someString is deprecated in /in/KpnfR on line 29 the value is:Pippo - the value is:Pippo and Minny -
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Deprecated: Creation of dynamic property AnotherClassToBreakImmutableObject::$someString is deprecated in /in/KpnfR on line 29 the value is:Pippo - the value is:Pippo and Minny -
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28: the value is:Pippo - the value is:Pippo and Minny -

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