General information & PHP/MySQL Version

# Required Recommended Current
Web server Apache
PHP Type CGI with Apache Worker or another webserver
PHP Version 5.6 7.1 7.1.33
MySQLi Extension 5.5 5.6 mysqlnd 5.0.12-dev - 20150407 - $Id: 38fea24f2847fa7519001be390c98ae0acafe387 $
Internet connectivity (Prestashop) No Yes Yes

PHP Configuration

# Required Recommended Current
allow_url_fopen Yes Yes Yes
expose_php No No Yes
file_uploads Yes Yes Yes
register_argc_argv No No Yes
short_open_tag No No Yes
max_input_vars 1000 5000 16000
memory_limit 64M 256M 512M
post_max_size 16M 128M 130M
upload_max_filesize 4M 128M 128M
set_time_limit Yes Yes Yes

PHP Extensions

# Required Recommended Current
BCMath Arbitrary Precision Mathematics No Yes Yes
Client URL Library (Curl) Yes Yes Yes
Image Processing and GD Yes Yes Yes
Image Processing (ImageMagick) No Yes Yes
Internationalization Functions (Intl) Yes Yes Yes
Memcache No No No
Memcached No Yes Yes
Multibyte String (Mbstring) Yes Yes Yes
OpenSSL Yes Yes Yes
File Information (Fileinfo) Yes Yes Yes
JavaScript Object Notation (Json) Yes Yes Yes
PDO and MySQL Functions Yes Yes Yes
PHP-DOM and PHP-XML Yes Yes Yes
Zip Yes Yes Yes

Directories

# Is Writable
var/cache Yes
var/logs Yes
img Yes
mails Yes
modules Yes
translations Yes
upload Yes
download Yes
app/config Yes
app/Resources/translations Yes