WordPress开发手册:register_activation_hook()

函数原型

register_activation_hook( string $file, callable $callback )

函数描述

是否弃用

未弃用

函数参数

$file
string
Required

The filename of the plugin including the path.

$callback
callable
Required

The function hooked to the 'activate_PLUGIN' action.

函数返回值

函数位置

函数源码

/* Main Plugin File */
...
function my_plugin_activate() {

  add_option( 'Activated_Plugin', 'Plugin-Slug' );

  /* activation code here */
}
register_activation_hook( __FILE__, 'my_plugin_activate' );

function load_plugin() {

    if ( is_admin() && get_option( 'Activated_Plugin' ) == 'Plugin-Slug' ) {

        delete_option( 'Activated_Plugin' );

        /* do stuff once right after activation */
        // example: add_action( 'init', 'my_init_function' );
    }
}
add_action( 'admin_init', 'load_plugin' );

源码链接

WordPress
Github

变更日志