Converts an (IPv4) Internet network address into a string in Internet standard dotted format.
The function works with:
It will return false if the number is not within the range.
ip2long: https://gist.github.com/1575199
| function( | |
| a // input for a number | |
| ) { | |
| return | |
| 1 << -1 <= a // if the number greater than or equal to -2147483648 | |
| && // then | |
| a < 4294967296 // if the number less than or equal to 42949672945 | |
| && // then | |
| [ | |
| a >>> 24, // calculate the first octet | |
| 255 & a >>> 16, // calculate the second octet | |
| 255 & a >>> 8, // calculate the third octet | |
| 255 & a // calculate the fourth octet | |
| ].join('.') // combine the octets into dot-decimal notation | |
| } |
| function(a){return 1<<-1<=a&&a<4294967296&&[a>>>24,255&a>>>16,255&a>>>8,255&a].join('.')} |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| Version 2, December 2004 | |
| Copyright (C) 2011 YOUR_NAME_HERE <YOUR_URL_HERE> | |
| Everyone is permitted to copy and distribute verbatim or modified | |
| copies of this license document, and changing it is allowed as long | |
| as the name is changed. | |
| DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE | |
| TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION | |
| 0. You just DO WHAT THE FUCK YOU WANT TO. |
| { | |
| "name": "long2ip", | |
| "description": "Converts an (IPv4) Internet network address into a string in Internet standard dotted format.", | |
| "keywords": [ | |
| "ip", | |
| "phpjs", | |
| "ip2long", | |
| "long2ip", | |
| "octet" | |
| ] | |
| } |
| <!DOCTYPE html> | |
| <title>Foo</title> | |
| <div>Expected value: <b>0.0.0.0,127.255.255.255,192.168.1.2,192.168.1.2,false,false</b></div> | |
| <div>Actual value: <b id="ret"></b></div> | |
| <script> | |
| // write a small example that shows off the API for your example | |
| // and tests it in one fell swoop. | |
| var myFunction = function(a){return 1<<-1<=a&&a<4294967296&&[a>>>24,255&a>>>16,255&a>>>8,255&a].join('.')} | |
| document.getElementById( "ret" ).innerHTML = | |
| [myFunction(0), | |
| myFunction(2147483647), | |
| myFunction(-1062731518), | |
| myFunction(3232235778), | |
| myFunction(42949672946), | |
| myFunction(-2147483649) | |
| ] | |
| </script> |