Created
February 20, 2015 08:09
-
-
Save ahmadawais/8fcbfefe4bde581b9e21 to your computer and use it in GitHub Desktop.
Theme Activation Deactivation hooks for WordPress
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<?php | |
/** | |
* Provides activation/deactivation hook for wordpress theme. | |
* | |
* @author Ahmad Awais (http://AhmadAwais.com) | |
* | |
* Usage: | |
* ---------------------------------------------- | |
* Include this file in your theme code. | |
* ---------------------------------------------- | |
* function my_theme_activate() { | |
* // code to execute on theme activation | |
* } | |
* wp_register_theme_activation_hook('mytheme', 'my_theme_activate'); | |
* | |
* function my_theme_deactivate() { | |
* // code to execute on theme deactivation | |
* } | |
* wp_register_theme_deactivation_hook('mytheme', 'my_theme_deactivate'); | |
* ---------------------------------------------- | |
* | |
* | |
*/ | |
/** | |
* | |
* @desc registers a theme activation hook | |
* @param string $code : Code of the theme. This can be the base folder of your theme. Eg if your theme is in folder 'mytheme' then code will be 'mytheme' | |
* @param callback $function : Function to call when theme gets activated. | |
*/ | |
function wp_register_theme_activation_hook($code, $function) { | |
$optionKey="theme_is_activated_" . $code; | |
if(!get_option($optionKey)) { | |
call_user_func($function); | |
update_option($optionKey , 1); | |
} | |
} | |
/** | |
* @desc registers deactivation hook | |
* @param string $code : Code of the theme. This must match the value you provided in wp_register_theme_activation_hook function as $code | |
* @param callback $function : Function to call when theme gets deactivated. | |
*/ | |
function wp_register_theme_deactivation_hook($code, $function) { | |
// store function in code specific global | |
$GLOBALS["wp_register_theme_deactivation_hook_function" . $code]=$function; | |
// create a runtime function which will delete the option set while activation of this theme and will call deactivation function provided in $function | |
$fn=create_function('$theme', ' call_user_func($GLOBALS["wp_register_theme_deactivation_hook_function' . $code . '"]); delete_option("theme_is_activated_' . $code. '");'); | |
// add above created function to switch_theme action hook. This hook gets called when admin changes the theme. | |
// Due to wordpress core implementation this hook can only be received by currently active theme (which is going to be deactivated as admin has chosen another one. | |
// Your theme can perceive this hook as a deactivation hook. | |
add_action("switch_theme", $fn); | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment