Online PHP editor | output for DO2SA

@ 2016-09-30T09:26:34Z

<?php

class hello {
  public $props = array();
  function __construct() {
    $this->props = ['hello' => 5, 'props' => ['keyme' => ['test' => 5]]];
  }
}
$data = new hello();

$iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator($data), RecursiveIteratorIterator::SELF_FIRST);
echo "Expect to see all keys in ->props here: \n";

foreach($iterator as $k=>$v) {
    echo $k . "\n";
}






echo "Reimplemented RecursiveArrayIterator from source code here: http://fossies.org/dox/php-7.0.11-src/recursivearrayiterator_8inc_source.html \n";
class RecursiveArray extends ArrayIterator implements RecursiveIterator
{
    function hasChildren()
    {
        return is_array($this->current());
    }

    function getChildren()
    {
        if ($this->current() instanceof self)
        {
            return $this->current();
        }
        if (empty($this->ref))
        {
            $this->ref = new ReflectionClass($this);
        }
        return $this->ref->newInstance($this->current());
    }

    private $ref;
}



$iterator = new RecursiveIteratorIterator(new RecursiveArray($data), RecursiveIteratorIterator::SELF_FIRST);
echo "Expect to see all keys in ->props here: \n";

foreach($iterator as $k=>$v) {
    echo $k . "\n";
}

Output for 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7: Expect to see all keys in ->props here: props hello props keyme test Reimplemented RecursiveArrayIterator from source code here: http://fossies.org/dox/php-7.0.11-src/recursivearrayiterator_8inc_source.html Deprecated: Return type of RecursiveArray::hasChildren() should either be compatible with RecursiveIterator::hasChildren(): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/DO2SA on line 26 Deprecated: Return type of RecursiveArray::getChildren() should either be compatible with RecursiveIterator::getChildren(): ?RecursiveIterator, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /in/DO2SA on line 31 Expect to see all keys in ->props here: props hello props keyme test
Output for 5.6.0 - 5.6.38, 7.1.14 - 7.1.25, 7.2.2 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30: Expect to see all keys in ->props here: props hello props keyme test Reimplemented RecursiveArrayIterator from source code here: http://fossies.org/dox/php-7.0.11-src/recursivearrayiterator_8inc_source.html Expect to see all keys in ->props here: props hello props keyme test
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.13, 7.2.0 - 7.2.1: Expect to see all keys in ->props here: props Reimplemented RecursiveArrayIterator from source code here: http://fossies.org/dox/php-7.0.11-src/recursivearrayiterator_8inc_source.html Expect to see all keys in ->props here: props hello props keyme test

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