Online PHP editor | rfc for elfOH

@ 2015-11-23T14:20:21Z

<?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 $_inception;
    public function __construct($options)
    {
        $this->_options = array(
            'fact' => null,
            'inception' => array(
                'options' => array()
            )
        );
        $this->setOptions($options);
    }
    public function stateFact()
    {
        echo $this->_options['fact'] . "\n";
    }
    public function getInception()
    {
        if ($this->_inception === null) {
            $this->_inception = new static($this->_options['inception']['options']);
        }
        return $this->_inception;
    }
    public function setInception(Optionz $inception)
    {
        $this->_inception = $inception;
    }
}

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

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

Output for git.master, git.master_jit, rfc.property-hooks: it is known this works Fatal error: Uncaught TypeError: Optionz::setInception(): Argument #1 ($inception) must be of type Optionz, null given, called in /in/elfOH on line 55 and defined in /in/elfOH:43 Stack trace: #0 /in/elfOH(55): Optionz->setInception(NULL) #1 {main} thrown in /in/elfOH on line 43
Process exited with code 255.

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