Online PHP editor | rfc for nS00m

@ 2019-10-15T04:00:27Z

<?php

$xmlstr = '<?xml version="1.0" encoding="utf-8"?>
<rss version="2.0">
  <Xiami>
    <ArtistID>179</ArtistID>
    <ArtistName>Band 1</ArtistName>
    <XiamiID>9dl4gN1c745</XiamiID>
    <Streaming>246</Streaming>
    <Fans>84</Fans>
    <TotalComments>1992</TotalComments>
      <AllSongs>
        <Songs>
          <SongID>8ILroS998dc</SongID>
          <SongName>Song 1</SongName>
          <SongComments>9223</SongComments>
        </Songs>
        <Songs>
          <SongID>8ILLD61a351</SongID>
          <SongName>Song 2</SongName>
          <SongComments>7221</SongComments>
        </Songs>
        <Songs>
          <SongID>mTnf0L5d6b9</SongID>
          <SongName>Song 3</SongName>
          <SongComments>21212</SongComments>
        </Songs>
        <Songs>
          <SongID>xOd2YIc7f69</SongID>
          <SongName>Song 4</SongName>
          <SongComments>422</SongComments>
        </Songs>
        <Songs>
          <SongID>mTmg866314c</SongID>
          <SongName>Song 5</SongName>
          <SongComments>81211</SongComments>
        </Songs>
    </AllSongs>
  </Xiami>
</rss>';

function popular_songs($Artist) {
    $Songs = $Artist->xpath('//Songs');
    usort($Songs, function ($a, $b) { return $b->SongComments - $a->SongComments; });
    return array_slice($Songs, 0, 3);
}

$xml = simplexml_load_string($xmlstr);
foreach($xml->children() as $Artist) {
    $ArtistName     = $Artist->ArtistName;
    $Streaming      = $Artist->Streaming;
    $Fans           = $Artist->Fans;
    $SongsArrays    = $Artist->AllSongs;
    $SongsCount     = $Artist->AllSongs->Songs->count();
    $TotalComments  = array_reduce($Artist->xpath('//SongComments'), function ($c, $v) { return $c + $v; }, 0);
    echo $TotalComments . PHP_EOL;
    $PopularSongs   = popular_songs($Artist);
    print_r($PopularSongs);
}

Output for git.master, git.master_jit, rfc.property-hooks: 119289 Array ( [0] => SimpleXMLElement Object ( [SongID] => mTmg866314c [SongName] => Song 5 [SongComments] => 81211 ) [1] => SimpleXMLElement Object ( [SongID] => mTnf0L5d6b9 [SongName] => Song 3 [SongComments] => 21212 ) [2] => SimpleXMLElement Object ( [SongID] => 8ILroS998dc [SongName] => Song 1 [SongComments] => 9223 ) )

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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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