WordPress at a glance
function is not described

Pelago\Emogrifier\Utilities

CssConcatenator::getCss() public WC 1.0

{} It's a method of the class: CssConcatenator{}

No Hooks.

Return

String. Nothing.

Usage

$CssConcatenator = new CssConcatenator();
$CssConcatenator->getCss();

Code of CssConcatenator::getCss() WC 5.4.1

<?php
public function getCss()
{
    return \implode('', \array_map([self::class, 'getMediaRuleCss'], $this->mediaRules));
}