enshrined\svgSanitize\Helper Class Reference

Collaboration diagram for enshrined\svgSanitize\Helper:

Static Public Member Functions
static	getElementHref (\DOMElement $element)
static	extractIdReferenceFromHref ($href)
static	isElementContainedIn (\DOMElement $needle, \DOMElement $haystack)

Detailed Description

Definition at line 4 of file Helper.php.

Member Function Documentation

extractIdReferenceFromHref()

static enshrined\svgSanitize\Helper::extractIdReferenceFromHref (   $href )

static

Parameters

string

$href

Returns

string|null

Definition at line 25 of file Helper.php.

    {
        if (!is_string($href) || strpos($href, '#') !== 0) {
            return null;
        }
        return substr($href, 1);
    }

Referenced by enshrined\svgSanitize\ElementReference\Resolver\determineInvalidSubjects().

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getElementHref()

static enshrined\svgSanitize\Helper::getElementHref ( \DOMElement  $element )

static

Parameters

\DOMElement

$element

Returns

string|null

Definition at line 10 of file Helper.php.

    {
        if ($element->hasAttribute('href')) {
            return $element->getAttribute('href');
        }
        if ($element->hasAttributeNS('http://www.w3.org/1999/xlink', 'href')) {
            return $element->getAttributeNS('http://www.w3.org/1999/xlink', 'href');
        }
        return null;
    }

Referenced by enshrined\svgSanitize\ElementReference\Resolver\determineInvalidSubjects().

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isElementContainedIn()

static enshrined\svgSanitize\Helper::isElementContainedIn ( \DOMElement  $needle, \DOMElement  $haystack  )

static

Parameters

\DOMElement	$needle
\DOMElement	$haystack

Returns

bool

Definition at line 38 of file Helper.php.

    {
        if ($needle === $haystack) {
            return true;
        }
        foreach ($haystack->childNodes as $childNode) {
            if (!$childNode instanceof \DOMElement) {
                continue;
            }
            if (self::isElementContainedIn($needle, $childNode)) {
                return true;
            }
        }
        return false;
    }

Referenced by enshrined\svgSanitize\ElementReference\Resolver\findByElement().

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The documentation for this class was generated from the following file:

• libs/composer/vendor/enshrined/svg-sanitize/src/Helper.php