3v4l.org

run code in 300+ PHP versions simultaneously

@ 2013-11-28T14:17:41Z

<?php

$address = '2001:db8::567:89ab';

                    $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 & 0x000F],
                            $hex[($part & 0x00F0) >> 4],
                            $hex[($part & 0x0F00) >> 8],
                            $hex[($part & 0xF000) >> 12]
                        );
                    }

echo implode('.', $nibbles);

array_map: documentation ( source)
array_push: documentation ( source)
array_reverse: documentation ( source)
array_splice: documentation ( source)
array_search: documentation ( source)
implode: documentation ( source)
explode: documentation ( source)
array_fill: documentation ( source)

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48.9 ms | 402 KiB | 5 Q