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function is not described

Pelago\Emogrifier\Utilities

CssConcatenator::getRuleBlockCss() private WC 1.0

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

No Hooks.

Return

String. CSS for the rule block.

Usage

$result = CssConcatenator::getRuleBlockCss( $ruleBlock );
$ruleBlock(stdClass) (required)
Object with properties as described for elements of the ruleBlocks property of elements of $mediaRules.

Code of CssConcatenator::getRuleBlockCss() WC 5.4.1

<?php
private static function getRuleBlockCss(\stdClass $ruleBlock)
{
    $selectors = \array_keys($ruleBlock->selectorsAsKeys);
    return \implode(',', $selectors) . '{' . $ruleBlock->declarationsBlock . '}';
}