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@ 2013-11-28T14:16:28Z

<?php

$address = '1::1';

                    $parts = explode(':', $address);
                    $len = count($parts);

                    if ($len < 8) {
                        if ($parts[0] === '') {
                            array_splice($parts, 0, 0, array_fill(0, 8 - $len, 0));
                            $parts = array_reverse($parts);
                        } else {
                            $parts = array_reverse($parts);
                            if ($parts[0] === '') {
                                array_splice($parts, 0, 0, array_fill(0, 8 - $len, 0));
                            } else {
                                array_splice($parts, array_search('', $parts), 0, array_fill(0, 8 - $len, 0));
                            }
                        }
                    }

                    $nibbles = [];
                    $hex = '0123456789abcdef';
                    foreach (array_map('hexdec', $parts) as $part) {
                        array_push(
                            $nibbles,
                            $hex[($part & 0xF000) >> 12],
                            $hex[($part & 0x0F00) >> 8],
                            $hex[($part & 0x00F0) >> 4],
                            $hex[$part & 0x000F]
                        );
                    }

echo implode('.', $nibbles);

Output for git.master, git.master_jit, rfc.property-hooks: 0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.1

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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