Title: Error array_merge
Last modified: June 21, 2024

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# Error array_merge

 *  [Juanjo Hernanz](https://wordpress.org/support/users/juanjoache/)
 * (@juanjoache)
 * [1 year, 11 months ago](https://wordpress.org/support/topic/error-array_merge/)
 * WP días 🙂
   Me han pasado un error que le ocurre a un usuario con su plugin.
 * PHP 8.1
   Alojado en WordPress.comEl error es el siguiente:
 *     ```wp-block-code
       MensajePHP Fatal error: Uncaught TypeError: array_merge(): Argument #2 must be of type array, null given in /srv/htdocs/wp-content/plugins/autonomos/core/woocommerce/class-wc-settings-autonomos.php:92 Stack trace: #0 /srv/htdocs/wp-content/plugins/autonomos/core/woocommerce/class-wc-settings-autonomos.php(92): array_merge(Array, NULL, Array) #1 /wordpress/plugins/woocommerce/9.0.0/includes/class-wc-install.php(934): WC_Settings_Autonomos->get_settings('equivalence_sur...') #2 /wordpress/plugins/woocommerce/9.0.0/includes/class-wc-install.php(498): WC_Install::create_options() #3 /wordpress/plugins/woocommerce/9.0.0/includes/class-wc-install.php(452): WC_Install::install_core() #4 /wordpress/plugins/woocommerce/9.0.0/includes/class-wc-install.php(327): WC_Install::install() #5 /wordpress/core/6.5.4/wp-includes/class-wp-hook.php(324): WC_Install::check_version('') #6 /wordpress/core/6.5.4/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #7 /wordpress/core/6.5.4/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #8 /wordpress/core/6.5.4/wp-settings.php(695): do_action('init') #9 /srv/htdocs/wp-config.php(81): require_once('/wordpress/core...') #10 /wordpress/core/6.5.4/wp-load.php(55): require_once('/srv/htdocs/wp-...') #11 /wordpress/core/6.5.4/wp-blog-header.php(13): require_once('/wordpress/core...') #12 /wordpress/core/6.5.4/index.php(17): require('/wordpress/core...') #13 {main} thrown in /srv/htdocs/wp-content/plugins/autonomos/core/woocommerce/class-wc-settings-autonomos.php on line 92Marca temporal2024-06-19T19:07:41.000ZTipopluginsNombreautonomosArchivo/srv/htdocs/wp-content/plugins/autonomos/core/woocommerce/class-wc-settings-autonomos.phpLínea92
       ```
   
 * Espero que no te importe pero creo que se pueden añadir verificaciones en el 
   código para que no devolviera null y de el error al hacer merge. 
   La solución
   podría ser estas:
    - 1)En la function **add_tax()** se podría devolver return is_array($result)?
      $result : array();
    - 2)Fusionar el null
 *     ```wp-block-code
       $settings2 = apply_filters('autonomos_equivalence_surcharge_settings', $this->add_tax()) ?? array();$settings = apply_filters('autonomos_equivalence_surcharge_settings', array_merge($settings1, $settings2, $settings3));
       ```
   
 * Gracias de antemano

Viewing 1 replies (of 1 total)

 *  Plugin Author [Jose Conti](https://wordpress.org/support/users/jconti/)
 * (@jconti)
 * [1 year, 11 months ago](https://wordpress.org/support/topic/error-array_merge/#post-17851337)
 * Hola [@juanjoache](https://wordpress.org/support/users/juanjoache/),
 * Disculpa el retraso. Tengo que revisar el motivo de que no llegue el array(),
   hasta ahora llegaba. No se si habrá habido un cambio de WooCommerce.
 * En cualquier caso, gracias por el código. Si no veo qué sucede exactamente, lo
   arreglaré como indicas.

Viewing 1 replies (of 1 total)

The topic ‘Error array_merge’ is closed to new replies.

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 * 1 reply
 * 2 participants
 * Last reply from: [Jose Conti](https://wordpress.org/support/users/jconti/)
 * Last activity: [1 year, 11 months ago](https://wordpress.org/support/topic/error-array_merge/#post-17851337)
 * Status: not resolved