php.ini

expose_php = off
memory_limit = 256M
short_open_tag = off
max_execution_time = 180
post_max_size = 64M
upload_max_filesize = 48M
max_input_time = 60
max_input_vars = 3000
date.timezone = UTC

; maximum memory that OPcache can use to store compiled PHP files
opcache.memory_consumption = 256

; maximum number of files that can be stored in the cache
opcache.max_accelerated_files = 20000

; maximum memory allocated to store the results
realpath_cache_size = 4096K

; save the results for one hour (3600 seconds)
realpath_cache_ttl = 3600

; in production we don't want to check file timestamps
opcache.validate_timestamps = 0

; Ensure worker stdout and stderr are sent to the main error log
catch_workers_output = yes
decorate_workers_output = no

; igbinary
apc.serializer=igbinary