wp-includes/functions.php:9329Checks if a mime type is for a HEIC/HEIF image.
$mime_typestringboolfunction wp_is_heic_image_mime_type( $mime_type ) { $heic_mime_types = array( 'image/heic', 'image/heif', 'image/heic-sequence', 'image/heif-sequence', ); return in_array( $mime_type, $heic_mime_types, true );}Introduced in 6.7.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/functions.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.