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TOPIC: PHP 8 Compatibitility

PHP 8 Compatibitility 24 Mar 2022 03:03 #15930

organicwebs
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Chris
Posts: 133
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There are going to be a few PHP 8 incompatibilties - so this is probably the place to note them down.
Please add to this list if you find any ... JCook is not being developed anymore - so we need to help each other to keep our older websites running.

If you upgrade to PHP 8 and your whole website goes down... its is probably line 384 in libraries/jdom.php (which is loaded for eevry page).

If you swicth on the Joomla Degug mode, you will see this error...
"count(): Argument #1 ($value) must be of type Countable|array, null given"
This is because a emplty variable, a non-array, is being used with the count function.

In libraries/jdom edit file jdom.php line 384

Change

else if (($i !== null) && (count($args) > $i))

to

else if ($i !== null)

Just call me Chris

Last Edit: 24 Mar 2022 03:10 by organicwebs.

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PHP 8 Compatibitility 24 Mar 2022 03:14 #15931

organicwebs Offline Premium Member Chris Posts: 133 Thank you received: 21 Karma: 4	Now, after this first hurdle... when you go to create a New item, you'll get the same error. This is another bug in the item controller. In /public_html/administrator/components/com_yourcomponent/classes/controller/item.php Line 240 Change: if (!count($cid)) To if (empty($cid))
	Just call me Chris The administrator has disabled public write access. The following user(s) said Thank You: jonathanbell

PHP 8 Compatibitility 30 May 2022 12:55 #15940

Romkabouter Offline Elite Member Posts: 310 Thank you received: 131 Karma: 48	Good work
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PHP 8 Compatibitility 04 Jan 2023 10:31 #15944

liubov Offline Elite Member (=) 10 mn and it's ready! Posts: 278 Thank you received: 35 Karma: 22	Hi Chris, Thanks a lot for this. I've also a warning (error report : Dev) in the next line 385. Did you change anything, or never mind ? if ($args[$i] !== null) Warning: Trying to access array offset on value of type null in /home2/user_xxx/public_html/my_site/libraries/jdom/dom.php on line 385 change to if (!empty($args[$i]) )
	Last Edit: 04 Jan 2023 10:35 by liubov. The administrator has disabled public write access.

PHP 8 Compatibitility 04 Jan 2023 17:10 #15945

liubov
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(=) 10 mn and it's ready!
Posts: 278
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Karma: 22

To be continue...
Please find below a few code corrections to upgrade PHP8 version with your J-Cook component:

libraries/jdom/dom.php:384

else if ($i !== null) 
        if (!empty($args[$i]) )

administrator/components/com_mycomponent/classes/controller/item.php:240

if (empty($cid))

administrator/components/com_mycomponent/classes/model/list.php:328

protected function belongsToMany($name, $foreignModelClass, $localKey, $foreignKey, $pivot, $pivotLocalKey, $pivotForeignKey, $selectFields = array(), $raw = false)

administrator/components/com_mycomponent/helpers/menu.php:61

public static function addSubmenu($name, $view, $layout)

Last Edit: 04 Jan 2023 17:12 by liubov.

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