PHP warning with code for nav menu walker

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This question already has answers here: Error: Declaration of MyClass::start_lvl() should be compatible with that of Walker_Nav_Menu::start_lvl() (3 answers) Closed 5 years ago.

[UTC] PHP Warning:  Declaration of description_walker::start_el(&$output, $item, $depth, $args) should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = Array, $id = 0) in /home/inach/public_html/inach/wp-content/themes/antartica14/functions.php on line 0   [29-Mar-2019 14:34:11 UTC] PHP Warning:  Illegal string offset 'output_key' in /home/inach/public_html/inach/wp-includes/nav-menu.php on line 604

the code in functions.php

//menu
class description_walker extends Walker_Nav_Menu
{
      function start_el(&$output, $item, $depth, $args)
      {
           global $wp_query;
           $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

           $class_names = $value = '';

           $classes = empty( $item->classes ) ? array() : (array) $item->classes;

           $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
           $class_names = ' class="'. esc_attr( $class_names ) . '"';

           $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';

           $attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
           $attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
           $attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
           $attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';

           $prepend = '<strong>';
           $append = '</strong>';
           $description  = ! empty( $item->description ) ? '<span>'.esc_attr( $item->description ).'</span>' : '';

           if($depth != 0)
           {
                     $description = $append = $prepend = "";
           }

            $item_output = $args->before;
            $item_output .= '<a'. $attributes .'>';
            $item_output .= $args->link_before .$prepend.apply_filters( 'the_title', $item->title, $item->ID ).$append;
            $item_output .= $description.$args->link_after;
            $item_output .= '</a>';
            $item_output .= $args->after;

            $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
            }
}
register_nav_menus( array (
'primary' => __( 'Navegacion Principal', 'tu_theme' ),
'secondary'=>__( 'Navegacion Secundaria', 'tu_theme' )));

The login page is in blank and I cannot access the dashboard.

This question already has answers here: Error: Declaration of MyClass::start_lvl() should be compatible with that of Walker_Nav_Menu::start_lvl() (3 answers) Closed 5 years ago.

[UTC] PHP Warning:  Declaration of description_walker::start_el(&$output, $item, $depth, $args) should be compatible with Walker_Nav_Menu::start_el(&$output, $item, $depth = 0, $args = Array, $id = 0) in /home/inach/public_html/inach/wp-content/themes/antartica14/functions.php on line 0   [29-Mar-2019 14:34:11 UTC] PHP Warning:  Illegal string offset 'output_key' in /home/inach/public_html/inach/wp-includes/nav-menu.php on line 604

the code in functions.php

//menu
class description_walker extends Walker_Nav_Menu
{
      function start_el(&$output, $item, $depth, $args)
      {
           global $wp_query;
           $indent = ( $depth ) ? str_repeat( "\t", $depth ) : '';

           $class_names = $value = '';

           $classes = empty( $item->classes ) ? array() : (array) $item->classes;

           $class_names = join( ' ', apply_filters( 'nav_menu_css_class', array_filter( $classes ), $item ) );
           $class_names = ' class="'. esc_attr( $class_names ) . '"';

           $output .= $indent . '<li id="menu-item-'. $item->ID . '"' . $value . $class_names .'>';

           $attributes  = ! empty( $item->attr_title ) ? ' title="'  . esc_attr( $item->attr_title ) .'"' : '';
           $attributes .= ! empty( $item->target )     ? ' target="' . esc_attr( $item->target     ) .'"' : '';
           $attributes .= ! empty( $item->xfn )        ? ' rel="'    . esc_attr( $item->xfn        ) .'"' : '';
           $attributes .= ! empty( $item->url )        ? ' href="'   . esc_attr( $item->url        ) .'"' : '';

           $prepend = '<strong>';
           $append = '</strong>';
           $description  = ! empty( $item->description ) ? '<span>'.esc_attr( $item->description ).'</span>' : '';

           if($depth != 0)
           {
                     $description = $append = $prepend = "";
           }

            $item_output = $args->before;
            $item_output .= '<a'. $attributes .'>';
            $item_output .= $args->link_before .$prepend.apply_filters( 'the_title', $item->title, $item->ID ).$append;
            $item_output .= $description.$args->link_after;
            $item_output .= '</a>';
            $item_output .= $args->after;

            $output .= apply_filters( 'walker_nav_menu_start_el', $item_output, $item, $depth, $args );
            }
}
register_nav_menus( array (
'primary' => __( 'Navegacion Principal', 'tu_theme' ),
'secondary'=>__( 'Navegacion Secundaria', 'tu_theme' )));

The login page is in blank and I cannot access the dashboard.

• php
• menus
• warnings

Share Improve this question edited Mar 29, 2019 at 15:25 Nicolai Grossherr 18.9k88 gold badges6464 silver badges109109 bronze badges asked Mar 29, 2019 at 15:23 user3822603user3822603 111 bronze badge 0

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1 Answer 1

Sorted by: Reset to default 0

Change your start_el parameters:

function start_el(&$output, $item, $depth = 0, $args = Array, $id = 0)

WordPress updated these a while back. They need to match the expectations of the parent classes function for it to work properly.

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