<?php
/**
 * SVG icons related functions and filters
 *
 * @package Gambit
 */

/**
 * Return SVG markup.
 *
 * @param string $icon SVG icon id.
 * @return string $svg SVG markup.
 */
function gambit_get_svg( $icon = null ) {
	// Return early if no icon was defined.
	if ( empty( $icon ) ) {
		return;
	}

	// Create SVG markup.
	$svg  = '<svg class="icon icon-' . esc_attr( $icon ) . '" aria-hidden="true" role="img">';
	$svg .= ' <use xlink:href="' . get_parent_theme_file_uri( '/assets/icons/genericons-neue.svg#' ) . esc_html( $icon ) . '"></use> ';
	$svg .= '</svg>';

	return $svg;
}