Escape SVG

escape-svg.php

<?php
public function escapeSvg( string $svg ): string {
		$svg_args = array(
			'svg'      => array(
				'xmlns' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'x'                   => true,
				'y'                   => true,
				'width'               => true,
				'height'              => true,
				'viewbox'             => true,
				'preserveaspectratio' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'line'     => array(
				'x1' => true,
				'y1' => true,
				'x2' => true,
				'y2' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'polyline' => array(
				'points' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'polygon'  => array(
				'points' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'path'     => array(
				'd' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'rect'     => array(
				'x'      => true,
				'y'      => true,
				'rx'     => true,
				'ry'     => true,
				'width'  => true,
				'height' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'circle'   => array(
				'r'  => true,
				'cx' => true,
				'cy' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'ellipse'  => array(
				'rx' => true,
				'ry' => true,
				'cx' => true,
				'cy' => true,

				'id'    => true,
				'class' => true,
				'style' => true,

				'fill'         => true,
				'fill-opacity' => true,
				'fill-rule'    => true,

				'stroke'            => true,
				'stroke-width'      => true,
				'stroke-opacity'    => true,
				'stroke-linecap'    => true,
				'stroke-linejoin'   => true,
				'stroke-dasharray'  => true,
				'stroke-dashoffset' => true,
				'stroke-miterlimit' => true,
			),
			'title'    => array(
				'id'    => true,
				'class' => true,
				'style' => true,
			),
			'desc'     => array(
				'id'    => true,
				'class' => true,
				'style' => true,
			),
		);

		return wp_kses( $svg, $svg_args );
	}