Online PHP editor | rfc for 3TUPb

@ 2014-05-08T19:49:00Z

<?php
/**
 * How to get a json array of the text within a class?
 *
 * @link http://stackoverflow.com/a/23543493/367456
 */
$html = '<body>...
<th class="name" align="left" scope="col">
<a class="foo" href="foo.html">foo</a>
</th>
...
<th class="name" align="left" scope="col">
<a class="bar" href="bar.html">bar</a>
</th>
...
<th class="name" align="left" scope="col">
<a class="ba" href="baz.html">baz</a>
</th></body>';


$names = function($html) {
    $doc  = new DOMDocument();
    $last = libxml_use_internal_errors(TRUE);
    $doc->loadHTML($html);
    libxml_use_internal_errors($last);
    $xp     = new DOMXPath($doc);
    $result = array();
    foreach ($xp->query("//*[contains(concat(' ', normalize-space(@class), ' '), ' name ')]") as $node)
        $result[trim($node->textContent)] = 1;
    return array_keys($result);
};

echo json_encode(array("names" => $names($html)));

Output for git.master, git.master_jit, rfc.property-hooks: {"names":["foo","bar","baz"]}

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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