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My theme currently has the following line in the function.php file: if ( $_GET['activated'] == 'true' || $_GET['preview'] == 1 ) If this statement is true the code runs a function.

I am getting a php error that says Notice: Undefined index: activated in and Notice: Undefined index: preview in.

I am sure in wordrpess there is another way to do this "if statement" to prevent the Undefined index: error I am getting.

Any suggestions?

Thank you!

Here is the full code:

//ADD OPTION PAGE
add_action('admin_menu', 'ddthemes_admin');

//UPON ACTIVATION OR PREVIEWED
if ( $_GET['activated'] == 'true'  || $_GET['preview'] == 1 ) {
    ddthemes_setup();
}

function ddthemes_admin() {
    /* PROCESS OPTION SAVING HERE */
    if ( 'save' == $_REQUEST['action'] ) {
        if ( $_REQUEST['savetype'] == 'header' ) {
            update_option( 'ddthemes_header', $_REQUEST['ddthemes_header']);
        }
    }
    
    /* SHOW THEME CUSTOMIZE PAGE HERE */
    add_theme_page(__('Logo Options'), __('Logo Options'), 'edit_themes', basename(__FILE__), 'ddthemes_headeropt_page');
}

My theme currently has the following line in the function.php file: if ( $_GET['activated'] == 'true' || $_GET['preview'] == 1 ) If this statement is true the code runs a function.

I am getting a php error that says Notice: Undefined index: activated in and Notice: Undefined index: preview in.

I am sure in wordrpess there is another way to do this "if statement" to prevent the Undefined index: error I am getting.

Any suggestions?

Thank you!

Here is the full code:

//ADD OPTION PAGE
add_action('admin_menu', 'ddthemes_admin');

//UPON ACTIVATION OR PREVIEWED
if ( $_GET['activated'] == 'true'  || $_GET['preview'] == 1 ) {
    ddthemes_setup();
}

function ddthemes_admin() {
    /* PROCESS OPTION SAVING HERE */
    if ( 'save' == $_REQUEST['action'] ) {
        if ( $_REQUEST['savetype'] == 'header' ) {
            update_option( 'ddthemes_header', $_REQUEST['ddthemes_header']);
        }
    }
    
    /* SHOW THEME CUSTOMIZE PAGE HERE */
    add_theme_page(__('Logo Options'), __('Logo Options'), 'edit_themes', basename(__FILE__), 'ddthemes_headeropt_page');
}
  • plugins
  • php
  • theme-development
Share Improve this question edited Sep 4, 2020 at 6:19 omukiguy 2221 silver badge6 bronze badges asked Feb 15, 2013 at 22:44 user1609391user1609391 4776 silver badges10 bronze badges 0
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1 Answer 1

Reset to default 1

Try

if ( isset($_GET['activated']) && $_GET['activated'] == 'true' || isset($_GET['preview']) && $_GET['preview'] == 1 )

instead of

if ( $_GET['activated'] == 'true' || $_GET['preview'] == 1 )

Edit:

You should wrap the if-sentence in the functions.php file into a function and a relevant hook. Here is an example using the after_theme_setup hook:

add_action('after_theme_setup','my_theme_setup');
function my_theme_setup(){
    if ( isset($_GET['activated']) && $_GET['activated'] == 'true' || isset($_GET['preview']) && $_GET['preview'] == 1 ){
        ddthemes_setup();
    }
}

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