wp-content/themes/twentythirteen/functions.php:794Adjusts content_width value for video post formats and attachment templates.
function twentythirteen_content_width() { global $content_width; if ( is_attachment() ) { $content_width = 724; } elseif ( has_post_format( 'audio' ) ) { $content_width = 484; }}Introduced in Twenty Thirteen 1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-content/themes/twentythirteen/functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.