Online PHP editor | output for EWgs7

@ 2015-11-23T14:10:04Z

<?php
trait OptionzTrait
{
    protected $_options = array();
    public function setOptions(array $options)
    {
        $this->_options = array_replace_recursive(
            $this->_options,
            $options
        );
    }
    public function getOptions()
    {
        return $this->_options;
    }
}

class Optionz
{
    use OptionzTrait;
    protected $_options = array(
        'fact' => null,
        'inception' => array(
          'options' => array()
        )
    );
    protected $_inception;
    public function __construct($options)
    {
         $this->setOptions($options);
    }
    public function stateFact()
    {
        echo $this->_options['fact'];
    }
    public function getInception()
    {
        if ($this->_inception === null) {
            $this->_inception = new static($this->_options['inception']['options']);
        }
        return $this->_inception;
    }
}

$optionz = new Optionz(array('inception' => array('fact' => 'it is known')));
$optionz->getInception()->stateFact();

// caveat: nested properties are only propagated initially
$optionz->getInception()->setOptions(array('fact' => 'this works'));
$optionz->setOptions(array('inception' => array('fact' => 'this doesnt')));

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: Fatal error: Optionz and OptionzTrait define the same property ($_options) in the composition of Optionz. However, the definition differs and is considered incompatible. Class was composed in /in/EWgs7 on line 18
Process exited with code 255.
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 Fatal error: Optionz and OptionzTrait define the same property ($_options) in the composition of Optionz. However, the definition differs and is considered incompatible. Class was composed in /in/EWgs7 on line 18
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Optionz and OptionzTrait define the same property ($_options) in the composition of Optionz. However, the definition differs and is considered incompatible. Class was composed in /in/EWgs7 on line 43
Process exited with code 255.

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