scalar value Cannot use a scalar value as an array

[Msaustral]

Hi I create a new post as the one that is on the forum is from 2017 problem:

[Mon May 06 15:42:29.001228 2019] [proxy_fcgi:error] [pid 20020] [client 127.0.0.1:33532] AH01071: Got error 'PHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\n'

[Mon May 06 15:38:11.556735 2019] [proxy_fcgi:error] [pid 19901] [client 127.0.0.1:33332] AH01071: Got error 'PHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\n', referer: https://domain/admin-dir/index.php?controller=AdminModules&token=1b282cf70da3757bec718b32b59d4338&configure=ps_facetedsearch&tab_module=front_office_features&module_name=ps_facetedsearch

[Wed May 08 12:13:07.482461 2019] [proxy_fcgi:error] [pid 19396:tid 140350068848384] [client x.x.x.x:44736] AH01071: Got error 'PHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\n'

[Wed May 08 12:13:32.898469 2019] [proxy_fcgi:error] [pid 19396:tid 140350052062976] [client x.x.x.x:59428] AH01071: Got error 'PHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\nPHP message: PHP Warning:  Cannot use a scalar value as an array in /opt/bitnami/apache2/htdocs/domain/classes/cache/Cache.php on line 463\n'

is prestashop 1.7.5.1, this is going off since we activate PHP-FPM

[Msaustral]

Hi anyone?

[Janett]

What did you use as cache option in Advanced parameters > Performances ?

[Msaustral]

Hi thank you for your reply, this is my config:

[Janett]

Try to delete all cache content in folder /var/cache/ (all folders and files inside)

Then clear cache in Advanced parameters > Performances to clear all others cache.

If errors reappear, try to disabled last cache option (APC) entirely

 

[Msaustral]

Hi disabling APC the error disappear, I can't use APC?

[Janett]

You need to find what’s wrong with usage of cache. It can be a bug in Prestashop or a bug of one module who made bad usage of cache.

We to retrieve more info of your error messages and your logs.

[Msaustral]

how can i help?

[Msaustral]

HI, also I did report a bug by this post below, it is the right way to report it?

 

[viliera]

Hi, could you solve it?

I have the same problem.

Thank you.

[Msaustral]

Hi yes but do not remember what exactly was causing it.

what php version do you have?

apache or nginx?

prestashop version?

did you do any modifications to any module?

[viliera]

Hola,

Gracias por responder.

Es Apache en mi caso, 

Prestashop 1.7.6.2

PHP 7.2.26

FastCGI

 

Tengo un modulo que me genera R_TOO_MANY_REDIRECTS en el enlace de CRON. 

Pero esto si activo el CacheAPC, Si lo desactivo todo en orden. 

 

Saludos. 

 

[Msaustral]

hola, cambia a APCU, APC tengo entendido que dejó de ser usado.

https://wordpress.stackexchange.com/questions/174317/caching-apc-vs-apcu-vs-opcache

[viliera]

Es APCu, y lo mismo ocurre con Memcached. 

 

No encuentro la solución.

[George441]

I had the same problem but i solved this by clearing all caches.

Please follow @Janett comment it will help you how to clear caches.

[Msaustral]

hi try to erase manually all file from _PS_Path\var\cache  

[viliera]

Hi, I've already done it many times.

[George441]

5 hours ago, viliera said:

Hi, I've already done it many times.

Do you still face this problem?

[viliera]

Hi,

I still have this problem.

The following error is constantly recorded in the log. (In plesk)

Warning (MY IP) mod_fcgid: stderr: PHP Warning: Cannot use a scalar value as an array in /var/www/vhosts/ MY DOMAIN /httpdocs/classes/cache/Cache.php on line 463

In cache.php 463 there is the following code:

     

  if (isset($this->sql_tables_cached[$table][$key])) {
                        $this->sql_tables_cached[$table][$key]['count'] += $count;
                        $changedTables[$table] = true;
                    }
                }
            }
        }

 

What can be? 😕 

Thank you. 

Regards

[JBW]

On 1/30/2020 at 1:07 AM, viliera said:

What can be?

Sounds like you are using PHP 7.4.!? Prestashop is only compatible until 7.2., you need to downgrade

[viliera]

2 hours ago, JBW said:

Parece que estás usando PHP 7.4.!? Prestashop solo es compatible hasta 7.2., Necesita degradar

Hi,

I am using PHP 7.2

 

 

Thanks

Regards

[JBW]

Ah ok I see it's only a warning, I read somewhere in 7.4. this will result in an error. Anyway it should not be visible as long debug is switched off, is there anything affected in the functionality?

[remyyyyy]

Hello,

If you have this error : "PHP Warning: Cannot use a scalar value as an array in classes/cache/Cache.php on line 463" then you can replace this :

if (isset($this->sql_tables_cached[$table][$key])) {

with this :

if (isset($this->sql_tables_cached[$table][$key]) && is_array($this->sql_tables_cached[$table][$key])) {

Regards

[ilisiaraul]

I have deactivated APCU in select php version(cPanel) and activated back and it works again. 

Edited December 13, 2021 by ilisiaraul (see edit history)