Do you use native PHP settings?
I always see libraries and sources based on user-defined configurations, how many of you use native PHP settings or OS based configurations?
http://it2.php.net/manual/en/ini.list.php
error_reporting = E_ALL & ~E_DEPRECATED & ~E_STRICT & ~E_NOTICE
expose_php = Off
log_errors = On
display_errors = On
display_startup_errors = On
date.timezone = 'Europe/Somecity'
magic_quotes_gpc = Off
max_file_uploads = 256
max_input_vars = 10000
post_max_size = 296M
upload_max_filesize = 256M
session.cache_limiter = ''
opcache.enable=1
opcache.memory_consumption=128
opcache.interned_strings_buffer=8
opcache.max_accelerated_files=4000
opcache.revalidate_freq=30
opcache.fast_shutdown=1
opcache.enable_cli=0