php_optimization - nx.beandog.org

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====== PHP Optimization ======

  * [[PHP]]
  * [[xhprof]]
  * [[http://us.php.net/manual/en/configuration.changes.modes.php|Where a configuration setting may be set]]
  * [[http://us.php.net/manual/en/ini.list.php|List of php.ini directives]]

=== PHP Configuration Overrides ===

^ Mode ^ Meaning ^
| PHP_INI_USER | Entry can be set in user scripts (like with ini_set()) |
| PHP_INI_PERDIR | Entry can be set in php.ini, .htaccess or httpd.conf |
| PHP_INI_SYSTEM | Entry can be set in php.ini or httpd.conf |
| PHP_INI_ALL | Entry can be set anywhere |

=== Configuration Settings ===

== short_open_tag ==

  * [[http://us.php.net/manual/en/ini.core.php#ini.short-open-tag|description]]

Allow the <? tag.  Otherwise, only <?php and <script> tags are recognized.

  * Default: Off
  * Recommended: Off
  * Changeable: PHP_INI_ALL

== zlib.output_compression ==

  * [[http://us.php.net/manual/en/zlib.configuration.php#ini.zlib.output-compression|description]]

Transparent output compression using the zlib library

  * Default: Off
  * Recommended: On
  * Changeable: PHP_INI_ALL

== register_long_arrays ==

  * [[http://us.php.net/manual/en/ini.core.php#ini.register-long-arrays|description]]

Whether or not to register the old-style input arrays, HTTP_GET_VARS and friends.

  * Default: On
  * Recommended: Off
  * Changeable: PHP_INI_PERDIR

== register_argc_argv ==

  * [[http://us.php.net/manual/en/ini.core.php#ini.register-argc-argv|description]]

This directive tells PHP whether to declare the argv&argc variables (that would contain the GET information).

  * Default: On
  * Recommended: Off
  * Changeable: PHP_INI_PERDIR

== mysql.allow_persistent ==

  * [[http://us.php.net/manual/en/mysql.configuration.php#ini.mysql.allow-persistent|description]]

Allow or prevent persistent links.

  * Default: On
  * Recommended: Off
  * Changeable: PHP_INI_SYSTEM

== session.cache_limiter ==

  * [[http://us.php.net/manual/en/session.configuration.php#ini.session.cache-limiter|description]]

Set to {nocache,private,public,} to determine HTTP caching aspects or leave this empty to avoid sending anti-caching headers.

  * Default: nocache
  * Recommended: public, let the browser cache data
  * PHP_INI_ALL
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