Online PHP editor | rfc for XXNkq

@ 2020-10-15T13:32:00Z

<?php

$html = <<<HTML
foo <a href='http://test.com'>fóo</a> lórem
bár ipsum bar food foo bark. <a>bar</a> not á test
HTML;

$lookup = [
    'foo' => 'h3',
    'bar' => 'h2'
];

libxml_use_internal_errors(true);
$dom = new DOMDocument();
$dom->loadHTML($html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);

$xpath = new DOMXPath($dom);

$regexNeedles = [];
foreach ($lookup as $word => $tagName) {
    $regexNeedles[] = preg_quote($word, '~');
}
$pattern = '~\b(' . implode('|', $regexNeedles) . ')\b~iu' ;

foreach($xpath->query('//*[not(self::a)]/text()') as $textNode) {
    $newNodes = [];
    $hasReplacement = false;
    foreach (preg_split($pattern, $textNode->nodeValue, 0, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $fragment) {
        $fragmentLower = strtolower($fragment);
        if (isset($lookup[$fragmentLower])) {
            $hasReplacement = true;
            $a = $dom->createElement($lookup[$fragmentLower]);
            $a->nodeValue = $fragment;
            $newNodes[] = $a;
        } else {
            $newNodes[] = $dom->createTextNode($fragment);
        }
    }
    if ($hasReplacement) {
        $newFragment = $dom->createDocumentFragment();
        foreach ($newNodes as $newNode) {
            $newFragment->appendChild($newNode);
        }
        $textNode->parentNode->replaceChild($newFragment, $textNode);
    }
}
echo substr(trim(utf8_decode($dom->saveHTML($dom->documentElement))), 3, -4);

Output for git.master, git.master_jit, rfc.property-hooks: Deprecated: Function utf8_decode() is deprecated in /in/XXNkq on line 47 <h3>foo</h3> <a href="http://test.com">fóo</a> lórem bár ipsum <h2>bar</h2> food <h3>foo</h3> bark. <a>bar</a> not á test

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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