wp-content/themes/twentynineteen/inc/icon-functions.php:16Gets the SVG code for a given icon.
$iconstring$sizeintoptional24function twentynineteen_get_icon_svg( $icon, $size = 24 ) { return TwentyNineteen_SVG_Icons::get_svg( 'ui', $icon, $size );}Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-content/themes/twentynineteen/inc/icon-functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.