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@ 2017-01-29T06:01:42Z

<?php


$html_string = <<<STR
<p>paragraph
    <a>link</a>
</p>
<div class="myclass">
    <div>something</div>
    <div style="mystyle">something</div>
    <b><a href="#">link</a></b>
    <b><a href="#" name="a name">link</a></b>
    <b style="color:red">bold</b>
    <img src="../path" alt="something" />
    <img src="../path" alt="something" class="myclass" />
</div>
STR;



$dom = new DOMDocument;                 // init new DOMDocument
$dom->loadHTML(mb_convert_encoding($html_string, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
$xpath = new DOMXPath($dom);
$nodes = $xpath->query('//@*');
foreach ($nodes as $node) {             
    if($node->nodeName != "src" && $node->nodeName != "href" && $node->nodeName != "alt") {
        $node->parentNode->removeAttribute($node->nodeName);
    }
}

echo $dom->saveHTML();                  // output cleaned HTML

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: mb_convert_encoding(): Handling HTML entities via mbstring is deprecated; use htmlspecialchars, htmlentities, or mb_encode_numericentity/mb_decode_numericentity instead in /in/Eomdi on line 22 <p>paragraph <a>link</a> <div> <div>something</div> <div>something</div> <b><a href="#">link</a></b> <b><a href="#">link</a></b> <b>bold</b> <img src="../path" alt="something"> <img src="../path" alt="something"> </div></p>

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Once feature-branches are merged or declined, they are no longer available. Their functionality (when merged) can be viewed from the main output page

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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