PHP 5.4 vs 5.5 support (ZC 1.55 vs 1.54)

[Woodymon]

The ZC 155 installer reports PHP 5.5 or newer is required for PCI compliancy.

The server which I have ZC 1.54 running on has PHP 5.4.26 enabled. When I change to PHP 5.5 (within cpanel), ZC 1.54 no longer works (shows blank admin pages). Switching back to PHP 5.4.26, ZC 1.54 works correctly again.

I wish to test ZC 1.55 on PHP 5.5, while ZC 1.54 is still operating for the general public.

Is there something special I need to do to allow ZC 1.54 to run on PHP 5.5 ?

And specific PHP 5.5 libraries I need to enable within cpanel?

Unfortunately phpinfo() is disabled on the server so I'm unable to access the list of PHP libraries currently enabled under PHP 5.4.26.

Thanks,
Woody

[Woodymon]

Is there an available list of which PHP 5.4 libs and PHP 5.5 libs are used by either ZC 1.54 or 1.55?

[carlwhat]

according to:
https://www.zen-cart.com/content.php...o-run-zen-cart

you should be fine.

are you getting any log errors when you get the blank login page? and is the only thing you are doing just changing php in the cpanel?

[Woodymon]

according to:
https://www.zen-cart.com/content.php...o-run-zen-cart

you should be fine.

are you getting any log errors when you get the blank login page? and is the only thing you are doing just changing php in the cpanel?

Thanks.

I just tested switching to PHP 5.5 (from PHP 5.4 native) and then attempted to access the ZC 1.55 admin (unsucessfully).

Error that shows up in zC log is:

PHP Fatal error:  Call to undefined function json_encode() in /home/myacct/public_html/mystore/myadmin/includes/classes/class.admin.zcObserverLogEventListener.php on line 81

is it likely a PHP 5.5 library required by Zen Cart is not enabled on my server?

In my cpanel, PHP native mode enables ALL available PHP 5.4 libraries on the server. But there is not PHP 5.5 native mode so I must decide which of the many PHP 5.5 libraries to enable.

[Woodymon]

UPDATE: In cpanel,I checked the 'json' PHP library for PHP 5.5, and that appears to have solved my issue.

Thanks for the recommend to check my logs. Dunno why I didn't do that first. Duh! ;-)

I notice 'json' is not listed as a required PHP module on the "Zen Cart specifications - Server Requirements" page.

[carlwhat]

glad you get it solved!

according to PHP, json is enabled by default starting with php 5.2. see:

http://www.php.net/manual/en/json.installation.php

so why you needed to add it explicitly is more an issue with your host than with the ZC server requirements page, IMHO.