_cleanup_image_add_caption() WordPress Function

The _cleanup_image_add_caption() function is a utility function that is used to add a caption to an image. This function is used by the WordPress media library when adding a caption to an image.

_cleanup_image_add_caption( $matches ) #

function _cleanup_image_add_caption( $matches ) {
	// Remove any line breaks from inside the tags.
	return preg_replace( '/[\r\n\t]+/', ' ', $matches[0] );
}