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@ 2014-02-14T15:35:41Z

<?php

    function parseQueryString($str)
    {
        $result = [];

        foreach (explode('&', $str) as $element) {
            $parts = explode('=', $element, 2);
            $key = urldecode(array_shift($parts));
            $value = $parts ? urldecode(array_shift($parts)) : '';

            if (false !== $pos = strpos($key, '[')) {
                $base = substr($key, 0, $pos++);
                $result[$base] = [];
                $target = &$result[$base];

                do {
                    $end = strpos($key, ']', $pos);
                    $index = substr($key, $pos, $end - $pos);
                    $target[$index] = [];
                    $target = &$target[$index];
                    $pos = $end;
                } while($pos < strlen($key));

                var_dump($result);
            }
        }
    }

    $str = 'foo=bar&baz[foo]=qux&baz[foo][goat]=chick';
    parseQueryString($str);

Output for git.master, rfc.property-hooks: Fatal error: Out of memory (allocated 35651584 bytes) (tried to allocate 20480 bytes) in /in/93eAc on line 20 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.
Output for git.master_jit: Fatal error: Out of memory (allocated 18874368 bytes) (tried to allocate 20480 bytes) in /in/93eAc on line 20 mmap() failed: [12] Cannot allocate memory mmap() failed: [12] Cannot allocate memory
Process exited with code 255.

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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