php performance (environment)

with this article i start post useful tips for optimize your LAMP applications. all info i grab on net from sites, blogs, etc. be sure, that you check all of this variables what they do to avoid problems.

this can be done in php.ini, inside your scripts or in .htaccess

<IfModule mod_php5.c>
php_value expose_php 0
</IfModule>


register_globals = Off
magic_quotes_gpc = Off
expose_php = Off
register_argc_argv = Off
always_populate_raw_post_data = Off
session.use_trans_sid = Off
session.auto_start = Off
session.gc_divisor = 1000 or 10000