kses-svg.php

<?php
/**
 * Allowed elements and attributes for SVG files.
 *
 * @link https://developer.mozilla.org/en-US/docs/Web/SVG/Element
 * @link https://developer.mozilla.org/en-US/docs/Web/SVG/Attribute
 * @link https://www.w3.org/TR/SVG2/
 * @link https://svgwg.org/
 *
 * @package AssetManager
 */

/**
 * SVG Attributes, broken out by category.
 *
 * From kses.php:
 * HTML tags and attribute names are case-insensitive in HTML but must be
 * added to the KSES allow list in lowercase. An item added to the allow list
 * in upper or mixed case will not be recognized as permitted by KSES.
 */

// Common attributes that can be specified on any SVG element.
$am_core_attributes = [
	'id'        => true,
	'lang'      => true,
	'tabindex'  => true,
	'xml:base'  => true,
	'xml:lang'  => true,
	'xml:space' => true,
];

// Attributes that can be specified on any SVG element to apply CSS styling effects.
$am_style_attributes = [
	'class' => true,
	'style' => true,
];

// CSS properties that can be used as attributes on SVG elements.
$am_presentation_attributes = [
	'alignment-baseline'           => true,
	'baseline-shift'               => true,
	'clip'                         => true,
	'clip-path'                    => true,
	'clip-rule'                    => true,
	'color'                        => true,
	'color-interpolation'          => true,
	'color-interpolation-filters'  => true,
	'color-profile'                => true,
	'color-rendering'              => true,
	'cursor'                       => true,
	'direction'                    => true,
	'display'                      => true,
	'dominant-baseline'            => true,
	'enable-background'            => true,
	'fill'                         => true,
	'fill-opacity'                 => true,
	'fill-rule'                    => true,
	'filter'                       => true,
	'flood-color'                  => true,
	'flood-opacity'                => true,
	'font-family'                  => true,
	'font-size'                    => true,
	'font-size-adjust'             => true,
	'font-stretch'                 => true,
	'font-style'                   => true,
	'font-variant'                 => true,
	'font-weight'                  => true,
	'glyph-orientation-horizontal' => true,
	'glyph-orientation-vertical'   => true,
	'image-rendering'              => true,
	'kerning'                      => true,
	'letter-spacing'               => true,
	'lighting-color'               => true,
	'marker-end'                   => true,
	'marker-mid'                   => true,
	'marker-start'                 => true,
	'mask'                         => true,
	'opacity'                      => true,
	'overflow'                     => true,
	'pointer-events'               => true,
	'shape-rendering'              => true,
	'stop-color'                   => true,
	'stop-opacity'                 => true,
	'stroke'                       => true,
	'stroke-dasharray'             => true,
	'stroke-dashoffset'            => true,
	'stroke-linecap'               => true,
	'stroke-linejoin'              => true,
	'stroke-miterlimit'            => true,
	'stroke-opacity'               => true,
	'stroke-width'                 => true,
	'text-anchor'                  => true,
	'text-decoration'              => true,
	'text-rendering'               => true,
	'transform'                    => true,
	'transform-origin'             => true,
	'unicode-bidi'                 => true,
	'vector-effect'                => true,
	'visibility'                   => true,
	'word-spacing'                 => true,
	'writing-mode'                 => true,
];

// Filters attributes.
$am_filter_primitive_attributes = [
	'height' => true,
	'result' => true,
	'width'  => true,
	'x'      => true,
	'y'      => true,
];

$am_transfer_function_attributes = [
	'type'        => true,
	'tablevalues' => true,
	'slope'       => true,
	'intercept'   => true,
	'amplitude'   => true,
	'exponent'    => true,
	'offset'      => true,
];

// Animation attributes.
$am_animation_target_element_attributes = [
	'href'       => true,
	'xlink:href' => true, // Deprecated.
];

$am_animation_attribute_target_attributes = [
	'attributetype' => true, // @todo
	'attributename' => true,
];

$am_animation_timing_attributes = [
	'begin'       => true,
	'dur'         => true,
	'end'         => true,
	'min'         => true,
	'max'         => true,
	'restart'     => true,
	'repeatcount' => true,
	'repeatdur'   => true,
	'fill'        => true,
];

$am_animation_value_attributes = [
	'calcmode'    => true,
	'values'      => true,
	'keytimes'    => true,
	'keysplines'  => true,
	'from'        => true,
	'to'          => true,
	'by'          => true,
	'autoreverse' => true,
	'accelerate'  => true,
	'decelerate'  => true,
];

$am_animation_addition_attributes = [
	'additive'   => true,
	'accumulate' => true,
];

// Additional attributes.
$am_conditional_processing_attributes = [
	'requiredextensions' => true,
	'requiredfeatures'   => true,
	'systemlanguage'     => true,
];

$am_xlink_attributes = [
	'xlink:type'    => true,
	'xlink:role'    => true,
	'xlink:arcrole' => true,
	'xlink:title'   => true,
	'xlink:show'    => true,
	'xlink:actuate' => true,
];

$am_xmlns_attributes = [
	'xmlns'       => true,
	'xmlns:xlink' => true,
	'xmlns:se'    => true,
];

// ARIA attributes.
$am_aria_attributes = [
	'aria-activedescendant' => true,
	'aria-atomic'           => true,
	'aria-autocomplete'     => true,
	'aria-busy'             => true,
	'aria-checked'          => true,
	'aria-colcount'         => true,
	'aria-colindex'         => true,
	'aria-colspan'          => true,
	'aria-controls'         => true,
	'aria-current'          => true,
	'aria-describedby'      => true,
	'aria-details'          => true,
	'aria-disabled'         => true,
	'aria-dropeffect'       => true,
	'aria-errormessage'     => true,
	'aria-expanded'         => true,
	'aria-flowto'           => true,
	'aria-grabbed'          => true,
	'aria-haspopup'         => true,
	'aria-hidden'           => true,
	'aria-invalid'          => true,
	'aria-keyshortcuts'     => true,
	'aria-label'            => true,
	'aria-labelledby'       => true,
	'aria-level'            => true,
	'aria-live'             => true,
	'aria-modal'            => true,
	'aria-multiline'        => true,
	'aria-multiselectable'  => true,
	'aria-orientation'      => true,
	'aria-owns'             => true,
	'aria-placeholder'      => true,
	'aria-posinset'         => true,
	'aria-pressed'          => true,
	'aria-readonly'         => true,
	'aria-relevant'         => true,
	'aria-required'         => true,
	'aria-roledescription'  => true,
	'aria-rowcount'         => true,
	'aria-rowindex'         => true,
	'aria-rowspan'          => true,
	'aria-selected'         => true,
	'aria-setsize'          => true,
	'aria-sort'             => true,
	'aria-valuemax'         => true,
	'aria-valuemin'         => true,
	'aria-valuenow'         => true,
	'aria-valuetext'        => true,
	'role'                  => true,
];

/**
 * SVG allowed tags and attributes.
 * Some elements accept specific attributes in addition to the categories of attributes.
 */
$am_kses_svg = [
	'a'                   => array_merge(
		$am_animation_target_element_attributes,
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xlink_attributes,
	),
	'animate'             => array_merge(
		$am_animation_addition_attributes,
		$am_animation_attribute_target_attributes,
		$am_animation_target_element_attributes,
		$am_animation_target_element_attributes,
		$am_animation_timing_attributes,
		$am_animation_value_attributes,
		$am_core_attributes,
		$am_style_attributes,
	),
	'animatemotion'       => array_merge(
		[
			'keypoints' => true,
			'path'      => true,
			'rotate'    => true,
		],
		$am_animation_addition_attributes,
		$am_animation_attribute_target_attributes,
		$am_animation_target_element_attributes,
		$am_animation_target_element_attributes,
		$am_animation_timing_attributes,
		$am_animation_value_attributes,
		$am_core_attributes,
		$am_style_attributes,
	),
	'animatetransform'    => array_merge(
		$am_animation_addition_attributes,
		$am_animation_attribute_target_attributes,
		$am_animation_target_element_attributes,
		$am_animation_timing_attributes,
		$am_animation_value_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_xlink_attributes,
	),
	'circle'              => array_merge(
		[
			'cx'         => true,
			'cy'         => true,
			'pathlength' => true,
			'r'          => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'clippath'            => array_merge(
		[
			'clippathunits' => true,
		],
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'defs'                => array_merge(
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'desc'                => array_merge(
		$am_core_attributes,
		$am_style_attributes,
	),
	'discard'             => array_merge(
		[
			'begiun' => true,
		],
		$am_animation_target_element_attributes,
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
	),
	'ellipse'             => array_merge(
		[
			'cx'         => true,
			'cy'         => true,
			'pathlength' => true,
			'rx'         => true,
			'ry'         => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'feblend'             => array_merge(
		[
			'in'   => true,
			'in2'  => true,
			'mode' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fecolormatrix'       => array_merge(
		[
			'in'     => true,
			'type'   => true,
			'values' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fecomponenttransfer' => array_merge(
		[
			'in' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fecomposite'         => array_merge(
		[
			'in'       => true,
			'in2'      => true,
			'k1'       => true,
			'k2'       => true,
			'k3'       => true,
			'k4'       => true,
			'operator' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'feconvolvematrix'    => array_merge(
		[
			'bias'             => true,
			'divisor'          => true,
			'edgemode'         => true,
			'in'               => true,
			'kernelmatrix'     => true,
			'kernelunitlength' => true,
			'order'            => true,
			'preservealpha'    => true,
			'targetx'          => true,
			'targety'          => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fediffuselighting'   => array_merge(
		[
			'diffuseconstant'  => true,
			'in'               => true,
			'kernelunitlength' => true,
			'surfacescale'     => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fedisplacementmap'   => array_merge(
		[
			'in'               => true,
			'in2'              => true,
			'scale'            => true,
			'xchannelselector' => true,
			'ychannelselector' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fedistantlight'      => array_merge(
		[
			'azimuth'   => true,
			'elevation' => true,
		],
		$am_core_attributes,
	),
	'fedropshadow'        => array_merge(
		[
			'dx'           => true,
			'dy'           => true,
			'stddeviation' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'feflood'             => array_merge(
		[
			'flood-color'   => true,
			'flood-opacity' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fefunca'             => array_merge(
		$am_core_attributes,
		$am_transfer_function_attributes,
	),
	'fefuncb'             => array_merge(
		$am_core_attributes,
		$am_transfer_function_attributes,
	),
	'fefuncg'             => array_merge(
		$am_core_attributes,
		$am_transfer_function_attributes,
	),
	'fefuncr'             => array_merge(
		$am_core_attributes,
		$am_transfer_function_attributes,
	),
	'fegaussianblur'      => array_merge(
		[
			'edgemode'     => true,
			'in'           => true,
			'stddeviation' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'feimage'             => array_merge(
		[
			'preserveaspectratio' => true,
		],
		$am_animation_target_element_attributes,
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xlink_attributes,
	),
	'femerge'             => array_merge(
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'femergenode'         => array_merge(
		[
			'in' => true,
		],
		$am_core_attributes,
	),
	'femorphology'        => array_merge(
		[
			'in'       => true,
			'operator' => true,
			'radius'   => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'feoffset'            => array_merge(
		[
			'dx' => true,
			'dy' => true,
			'in' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fepointlight'        => array_merge(
		[
			'x' => true,
			'y' => true,
			'z' => true,
		],
		$am_core_attributes,
	),
	'fespecularlighting'  => array_merge(
		[
			'in'               => true,
			'kernelunitlength' => true,
			'specularconstant' => true,
			'specularexponent' => true,
			'surfacescale'     => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'fespotlight'         => array_merge(
		[
			'limitingconeangle' => true,
			'pointsatx'         => true,
			'pointsaty'         => true,
			'pointsatz'         => true,
			'specularexponent'  => true,
			'x'                 => true,
			'y'                 => true,
			'z'                 => true,
		],
		$am_core_attributes,
	),
	'fetile'              => array_merge(
		[
			'in' => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'feturbulence'        => array_merge(
		[
			'basefrequency' => true,
			'numoctaves'    => true,
			'seed'          => true,
			'stitchtiles'   => true,
			'type'          => true,
		],
		$am_core_attributes,
		$am_filter_primitive_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'filter'              => array_merge(
		[
			'filterres'      => true,
			'filterunits'    => true,
			'height'         => true,
			'primitiveunits' => true,
			'width'          => true,
			'x'              => true,
			'y'              => true,
		],
		$am_animation_target_element_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xlink_attributes,
	),
	'foreignobject'       => array_merge(
		[
			'height' => true,
			'width'  => true,
			'x'      => true,
			'y'      => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'g'                   => array_merge(
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'hatch'               => array_merge(
		[
			'hatchcontentunits' => true,
			'hatchunits'        => true,
			'pitch'             => true,
			'rotate'            => true,
			'transform'         => true,
			'x'                 => true,
			'y'                 => true,
		],
		$am_animation_target_element_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'hatchpath'           => array_merge(
		[
			'd'      => true,
			'offset' => true,
		],
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'image'               => array_merge(
		[
			'crossorigin'         => true,
			'height'              => true,
			'preserveaspectratio' => true,
			'width'               => true,
			'x'                   => true,
			'y'                   => true,
		],
		$am_animation_target_element_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xlink_attributes,
	),
	'line'                => array_merge(
		[
			'pathlength' => true,
			'x1'         => true,
			'x2'         => true,
			'y1'         => true,
			'y2'         => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'lineargradient'      => array_merge(
		[
			'gradienttransform' => true,
			'gradientunits'     => true,
			'spreadmethod'      => true,
			'x1'                => true,
			'x2'                => true,
			'y1'                => true,
			'y2'                => true,
		],
		$am_animation_target_element_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xlink_attributes,
	),
	'marker'              => array_merge(
		[
			'markerheight'        => true,
			'markerunits'         => true,
			'markerwidth'         => true,
			'orient'              => true,
			'preserveaspectratio' => true,
			'refx'                => true,
			'refy'                => true,
			'viewbox'             => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'mask'                => array_merge(
		[
			'height'           => true,
			'maskcontentunits' => true,
			'maskunits'        => true,
			'width'            => true,
			'x'                => true,
			'y'                => true,
		],
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'meshgradient'        => array_merge(
		[
			'gradientunits' => true,
			'transform'     => true,
			'type'          => true,
			'x'             => true,
			'y'             => true,
		],
		$am_animation_target_element_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'meshpatch'           => array_merge(
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'meshrow'             => array_merge(
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'metadata'            => $am_core_attributes,
	'mpath'               => array_merge(
		$am_animation_target_element_attributes,
		$am_core_attributes,
		$am_xlink_attributes,
	),
	'path'                => array_merge(
		[
			'd'          => true,
			'pathlength' => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'pattern'             => array_merge(
		[
			'height'              => true,
			'patterncontentunits' => true,
			'patterntransform'    => true,
			'patternunits'        => true,
			'preserveaspectratio' => true,
			'viewbox'             => true,
			'width'               => true,
			'x'                   => true,
			'y'                   => true,
		],
		$am_animation_target_element_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xlink_attributes,
	),
	'polygon'             => array_merge(
		[
			'pathlength' => true,
			'points'     => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'polyline'            => array_merge(
		[
			'pathlength' => true,
			'points'     => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'radialgradient'      => array_merge(
		[
			'cx'                => true,
			'cy'                => true,
			'fr'                => true,
			'fx'                => true,
			'fy'                => true,
			'gradienttransform' => true,
			'gradientunits'     => true,
			'r'                 => true,
			'spreadmethod'      => true,
		],
		$am_animation_target_element_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xlink_attributes,
	),
	'rect'                => array_merge(
		[
			'height'     => true,
			'pathlength' => true,
			'rx'         => true,
			'ry'         => true,
			'width'      => true,
			'x'          => true,
			'y'          => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'set'                 => array_merge(
		[
			'to' => true,
		],
		$am_animation_target_element_attributes,
		$am_animation_attribute_target_attributes,
		$am_animation_timing_attributes,
		$am_core_attributes,
		$am_style_attributes,
	),
	'stop'                => array_merge(
		[
			'offset'       => true,
			'stop-color'   => true,
			'stop-opacity' => true,
		],
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'style'               => array_merge(
		[
			'media' => true,
			'title' => true,
			'type'  => true,
		],
		$am_core_attributes,
		$am_style_attributes,
	),
	'svg'                 => array_merge(
		[
			'focusable'           => true,
			'height'              => true,
			'preserveaspectratio' => true,
			'viewbox'             => true,
			'width'               => true,
			'x'                   => true,
			'y'                   => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xmlns_attributes,
	),
	'switch'              => array_merge(
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'symbol'              => array_merge(
		[
			'height'              => true,
			'preserveaspectratio' => true,
			'refx'                => true,
			'refy'                => true,
			'viewbox'             => true,
			'width'               => true,
			'x'                   => true,
			'y'                   => true,
		],
		$am_aria_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
		$am_xmlns_attributes,
	),
	'text'                => array_merge(
		[
			'dx'           => true,
			'dy'           => true,
			'lengthadjust' => true,
			'rotate'       => true,
			'textlength'   => true,
			'x'            => true,
			'y'            => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'textpath'            => array_merge(
		[
			'lengthadjust' => true,
			'method'       => true,
			'path'         => true,
			'side'         => true,
			'spacing'      => true,
			'startoffset'  => true,
			'textlength'   => true,
		],
		$am_animation_target_element_attributes,
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'title'               => array_merge(
		$am_core_attributes,
		$am_style_attributes,
	),
	'tspan'               => array_merge(
		[
			'dx'           => true,
			'dy'           => true,
			'lengthadjust' => true,
			'rotate'       => true,
			'textlength'   => true,
			'x'            => true,
			'y'            => true,
		],
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'unknown'             => array_merge(
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
	),
	'use'                 => array_merge(
		[
			'height' => true,
			'width'  => true,
			'x'      => true,
			'y'      => true,
		],
		$am_animation_target_element_attributes,
		$am_aria_attributes,
		$am_conditional_processing_attributes,
		$am_core_attributes,
		$am_presentation_attributes,
		$am_style_attributes,
	),
	'view'                => array_merge(
		[
			'preserveaspectratio' => true,
			'viewbox'             => true,
			'viewtarget'          => true,
			'zoomandpan'          => true,
		],
		$am_aria_attributes,
		$am_core_attributes,
	),
];