How to fix this warning:call_user_func_array() expects exactly 2 parameters, 1 given in D:\wamp\www\…\wp-includes\class-wp-hook.php on line 286
質問
I am creating Wordpress Dashboard Menu:
add_action('admin_menu', 'personalised_menu');
function personalised_menu() {
add_menu_page(
'Page Title'
, 'Blog'
, 'edit_posts'
, 'menu_slug'
, 'call_user_func_array'
, 'dashicons-welcome-write-blog'
);
add_submenu_page(
'menu_slug'
, 'Add New Page'
, 'Add New'
, 'edit_posts'
, 'add_new_page'
, 'call_user_func_array'
);
}
解決
Replace 'call_user_func_array'
with name of the function to be called to output the page content.
add_action('admin_menu', 'personalised_menu');
function personalised_menu()
{
add_menu_page( 'Page Title', 'Blog', 'edit_posts', 'menu_slug',
'display_main_page', 'dashicons-welcome-write-blog' );
add_submenu_page( 'menu_slug', 'Add New Page', 'Add New', 'edit_posts','add_new_page',
'display_secondary_page' );
}
function display_main_page() {
echo 'Content of "Page Title"';
}
function display_secondary_page() {
echo 'Content of subpage';
}
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