Automattic\WooCommerce\Vendor\Pelago\Emogrifier\Css

CssDocument::hasNestedAtRule │ private │ WC 1.0

Tests if a string of CSS appears to contain an at-rule with nested rules (@media, @supports, @keyframes, @document, the latter two additionally with vendor prefixes that may commonly be used).

Method of the class: CssDocument{}

No Hooks.

Returns

null. Nothing (null).

Usage

// private - for code of main (parent) class only
$result = $this->hasNestedAtRule( $css ): bool;

$css(string) (required)

.

Notes

• See: https://github.com/sabberworm/PHP-CSS-Parser/issues/127

CssDocument::hasNestedAtRule() CssDocument::hasNestedAtRule code ^{WC 10.5.0}

private function hasNestedAtRule(string $css): bool
{
    return (new Preg())
        ->match('/@(?:media|supports|(?:-webkit-|-moz-|-ms-|-o-)?+(keyframes|document))\\b/', $css) !== 0;
}