How do I check if a user has the ‘manage_options’ capability in WordPress?

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I’m trying to figure out if the current user can manage options. I’m using the following code: 

if (current_user_can('manage_options')) {
    add_filter('comments_array', 'myFunctionCall');
}

But it produces this error (in WordPress 2.9.2, latest):

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Fatal error: Call to undefined
function wp_get_current_user() in
/Users/******/Sites/*****.com/wp-includes/capabilities.php on line 969

Am I going about this the wrong way?

Post Views: 5

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1 comment

  1. I checked your code and works fine in my site (using WP 2.9.2 too).

    Check that the function is defined in the pluggable.php file inside /wp-includes.

    In my WP installation I’ve got the function defined from line 69 to 76:

    if ( !function_exists('wp_get_current_user') ) :
/**
 * Retrieve the current user object.
 *
 * @since 2.0.3
 *
 * @return WP_User Current user WP_User object
 */
function wp_get_current_user() {
    global $current_user;

    get_currentuserinfo();

    return $current_user;
}
endif;