Title: Passing variables to header.php Last modified: August 19, 2016 --- # Passing variables to header.php * [simplethemes](https://wordpress.org/support/users/simplethemes/) * (@simplethemes) * [16 years, 5 months ago](https://wordpress.org/support/topic/passing-variables-back-to-headerphp/) * Hi, I’m attempting to pass a variable from single.php to header.php. * For example in single.php I have: `` * I want to somehow pass this to the body_class as well. * `>` * Is this possible? Viewing 2 replies - 1 through 2 (of 2 total) * Thread Starter [simplethemes](https://wordpress.org/support/users/simplethemes/) * (@simplethemes) * [16 years, 5 months ago](https://wordpress.org/support/topic/passing-variables-back-to-headerphp/#post-1287791) * I believe I’ve found a solution to this but I’m curious if there is any performance issues for including header.php vs. using the get_header() function? * ``` ``` * [retrocool](https://wordpress.org/support/users/retrocool/) * (@retrocool) * [16 years ago](https://wordpress.org/support/topic/passing-variables-back-to-headerphp/#post-1287986) * It might interfere with plug-ins which are called through the function get_header(); ( Example, CookieMonster, which I’m using) Don’t know about performance issues, should not be any IMO. Viewing 2 replies - 1 through 2 (of 2 total) The topic ‘Passing variables to header.php’ is closed to new replies. * 2 replies * 2 participants * Last reply from: [retrocool](https://wordpress.org/support/users/retrocool/) * Last activity: [16 years ago](https://wordpress.org/support/topic/passing-variables-back-to-headerphp/#post-1287986) * Status: not resolved ## Topics ### Topics with no replies ### Non-support topics ### Resolved topics ### Unresolved topics ### All topics