Automattic\WooCommerce\Vendor\Pelago\Emogrifier

CssInliner::getCssFromAllStyleNodes │ private │ WC 1.0

Returns CSS content.

Method of the class: CssInliner{}

No Hooks.

Returns

String.

Usage

// private - for code of main (parent) class only
$result = $this->getCssFromAllStyleNodes(): string;

CssInliner::getCssFromAllStyleNodes() code WC 10.4.3

woocommerce/lib/packages/Pelago/Emogrifier/CssInliner.php 
private function getCssFromAllStyleNodes(): string
{
    $styleNodes = $this->getXPath()->query('//style');
    if ($styleNodes === false) {
        return '';
    }

    $css = '';
    foreach ($styleNodes as $styleNode) {
        if (\is_string($styleNode->nodeValue)) {
            $css .= "\n\n" . $styleNode->nodeValue;
        }
        $parentNode = $styleNode->parentNode;
        if ($parentNode instanceof \DOMNode) {
            $parentNode->removeChild($styleNode);
        }
    }

    return $css;
}