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@ 2014-05-27T14:22:51Z

<?php
header('content-type:text/plain');

function HTMLStringify($arr, $seen = array())
{
    if (is_array($arr)) {
        $seen[] = &$arr;
        $html = '<ul>';

        foreach ($arr as $key => &$value) {

            $html .= '<li>' . $key;

            if (is_array($value)){

                if(in_array($value, $seen, true))
                {
                    $html .= '*RECURSION*';
                }
                else
                {
                    $html .= HTMLStringify($value, $seen);
                }
            }
            elseif(is_numeric($value) || is_string($value) || is_null($value))
            {
                $html .= ' = ' . $value;
            }
            else
            {
                $html .= ' [couldn\'t parse ' . gettype($value) . ']';
            }

            $html .= '</li>';

        }
        $html .= '</ul>';
        return $html;
    }
    else
    {
        return null;
    }
}

$arr = array(1 => 'one', 2 => 'two');
$arr[3] = &$arr;
echo HTMLStringify($arr);

Output for git.master, git.master_jit, rfc.property-hooks: <ul><li>1 = one</li><li>2 = two</li><li>3*RECURSION*</li></ul>

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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