roles/php5-fpm: Add templated php.ini

Adds a default php.ini for php5-fpm from Ubuntu 14.04 which enables
sane settings for PHP 5.5's opcache as well as disables pathinfo.

Closes #9.

Signed-off-by: Alan Orth <alan.orth@gmail.com>

roles/php5-fpm/defaults/main.yml

@@ -0,0 +1,21 @@
+---
+# file: roles/php5-fpm/defaults/main.yml
+
+# default is on, but turn it off because of protection in nginx vhosts
+cgi_fix_pathinfo: 0
+
+# some sane defaults for PHP 5.5+ Opcache
+# see: https://php.net/manual/en/opcache.installation.php
+opcache_enable: 1
+opcache_enable_cli: 1
+opcache_memory_consumption: 128
+opcache_interned_strings_buffer: 8
+opcache_max_accelerated_files: 4000
+opcache_use_cwd: 1
+opcache_validate_timestamps: 1
+opcache_revalidate_freq: 60
+opcache_save_comments: 0
+opcache_load_comments: 0
+opcache_fast_shutdown: 1
+
+# vim: set ts=2 sw=2: