Online PHP editor | rfc for fXsa2

@ 2016-07-23T01:41:05Z

<?php
//skipped retrieving from the database, and doing
// $urls = array_column($rows, 'urls');

$urls = [
    'http://www2.trafficadbar.com/__a4w4',
    'http://trafficadbar.com/__a4w4',
    'http://www.trafficadbar.com/__a4w4',
    'http://4acesmailer.com/credit_click.php?userid=2472&openkey=gbyp2vcm',
    'http://4acesmailer.com/credit_click.php?userid=2714&openkey=gbyp2vcm',
    'http://4acesmailer.com/credit_click.php?userid=2723&openkey=gbyp2vcm',
    'http://4acesmailer.com/credit_click.php?userid=3245&openkey=gbyp2vcm',
    'http://4acesmailer.com/credit_click.php?userid=3259&openkey=gbyp2vcm',
];
$results = [];
foreach($urls as $url){
    //eg: www2.trafficadbar.com
    $host = parse_url($url,PHP_URL_HOST);
    $matches = [];

    //find top level domain or skip to next URL
    if(!preg_match('/[^\.]*\.[^\.]+$/',$host,$matches)) continue;

    //eg: trafficadbar.com
    $domain = $matches[0];

    //increment the count for this domain in results
    if(!isset($results[$domain])) $results[$domain]=0;
    $results[$domain]++;
}
print_r($results);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [trafficadbar.com] => 3 [4acesmailer.com] => 5 )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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