function Crawler::addContent

Adds HTML/XML content.

If the charset is not set via the content type, it is assumed to be UTF-8, or ISO-8859-1 as a fallback, which is the default charset defined by the HTTP 1.1 specification.

1 call to Crawler::addContent()

Crawler::add in vendor/symfony/dom-crawler/Crawler.php

Adds a node to the current list of nodes.

File

vendor/symfony/dom-crawler/Crawler.php, line 132

Class

Crawler

Crawler eases navigation of a list of \DOMNode objects.

Namespace

Symfony\Component\DomCrawler

Code

public function addContent(string $content, ?string $type = null) : void {
    if (!$type) {
        $type = str_starts_with($content, '<?xml') ? 'application/xml' : 'text/html';
    }
    // DOM only for HTML/XML content
    if (!preg_match('/(x|ht)ml/i', $type, $xmlMatches)) {
        return;
    }
    $charset = preg_match('//u', $content) ? 'UTF-8' : 'ISO-8859-1';
    // http://www.w3.org/TR/encoding/#encodings
    // http://www.w3.org/TR/REC-xml/#NT-EncName
    $content = preg_replace_callback('/(charset *= *["\']?)([a-zA-Z\\-0-9_:.]+)/i', function ($m) use (&$charset) {
        if ('charset=' === $this->convertToHtmlEntities('charset=', $m[2])) {
            $charset = $m[2];
        }
        return $m[1] . $charset;
    }, $content, 1);
    if ('x' === $xmlMatches[1]) {
        $this->addXmlContent($content, $charset);
    }
    else {
        $this->addHtmlContent($content, $charset);
    }
}