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Prerequite PHP version for SuiteCRM 7.10

Please guide what PHP version is suitable for SuiteCRM 7.10.10 latest version .

See https://docs.suitecrm.com/admin/compatibility-matrix/

I have installed SuiteCRM 7.10 and PHP version 7.0 but when I am installing CRM via install.php I am getting the error “HTTP ERROR 500 - page is not working” after submitting all database and server details.

Please help and guide.

I am getting below error logs :

[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/responsiveslides.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/themes.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/js/responsiveslides.min.js, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/animation.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/fontello.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/images/SuiteScreen1.png, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/images/SuiteScreen2.png, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/images/SuiteScreen3.png, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/js/responsiveslides.min.js, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/images/SuiteScreen4.png, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/fontello.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:04 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/animation.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:08 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/fontello.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:08 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/themes.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:08 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/animation.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:08 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/js/responsiveslides.min.js, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:08 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/responsiveslides.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:08 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/js/responsiveslides.min.js, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:10 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/animation.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:10 2018] [error] [client 192.168.2.31] File does not exist: /var/www/html/SuiteCRM/themes/SuiteP/css/fontello.css, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:48:27 2018] [error] [client 192.168.2.31] PHP Fatal error: Uncaught Error: Call to undefined function json_encode() in /var/www/html/SuiteCRM/install/performSetup.php:52\nStack trace:\n#0 /var/www/html/SuiteCRM/install/performSetup.php(57): installStatus(’’, NULL, true, ‘’)\n#1 /var/www/html/SuiteCRM/install.php(794): require(’/var/www/html/S…’)\n#2 {main}\n thrown in /var/www/html/SuiteCRM/install/performSetup.php on line 52, referer: http://192.168.2.85/SuiteCRM/install.php
[Tue Nov 27 04:49:35 2018] [error] [client 127.0.0.1] File does not exist: /var/www/html/wpad.dat

If you copied the files correctly, and they are there, then that looks like permissions problems.

You also need to install the appropriate PHP modules.

See this list of steps, it might help

https://suitecrm.com/suitecrm/forum/installation-upgrade-help/11561-installing-on-ubuntu-16-04-1#45976