The behaviour of these functions is affected by settings in php.ini.
| Name | Default | Changeable | Description |
|---|---|---|---|
| http.etag.mode | "MD5" | PHP_INI_ALL | The hashing algorithm used to generate the ETag. MD5, SHA1, and CRC32 are always available. If the hash xtension is enabled, any hashing algorithms this extension provides are available, too. |
| http.log.cache | "" | PHP_INI_ALL | The path (or stream wrapper url) to a log file in which to write successful cache hits. |
| http.log.redirect | "" | PHP_INI_ALL | The path (or stream wrapper url) to a log file in which to write redirects. |
| http.log.not_found | "" | PHP_INI_ALL | The path (or stream wrapper url) to a log file in which to write "file not found" errors. |
| http.log.allowed_methods | "" | PHP_INI_ALL | The path (or stream wrapper url) to a log file in which to write "allowed methods" violations. |
| http.log.composite | "" | PHP_INI_ALL | The path (or stream wrapper url) to a log file in which to write all events. |
| http.request.methods.allowed | "" | PHP_INI_ALL | Allowed request methods. If a client issues a request with a request method other than listed here, PHP exits with a status of "405 Method not allowed". See the INI setting http.force_exit for what "exits" means. |
| http.request.methods.custom | "" | PHP_INI_PERDIR|PHP_INI_SYSTEM | Custom request methods. If you want to use any non-standard request methods, you can register them with this INI setting or http_request_method_register(). |
| http.request.datashare.cookie | "0" | PHP_INI_SYSTEM | Whether the global HttpRequestDataShare should by default share cookie information. |
| http.request.datashare.dns | "1" | PHP_INI_SYSTEM | Whether the global HttpRequestDataShare should by default share name lookup information. |
| http.request.datashare.ssl | "0" | PHP_INI_SYSTEM | Whether the global HttpRequestDataShare should by default share SSL session information. This is not yet implemented in libcurl. |
| http.request.datashare.connect | "0" | PHP_INI_SYSTEM | Whether the global HttpRequestDataShare should by default share connect information. This is not yet implemented in libcurl. |
| http.persistent.handles.limit | "-1" | PHP_INI_SYSTEM | The maximum amount of persistent handles to keep alive. |
| http.persistent.handles.ident | "GLOBAL" | PHP_INI_ALL | The ident of persistent handles. |
| http.send.inflate.start_auto | "0" | PHP_INI_PERDIR|PHP_INI_SYSTEM | Whether to automatically start the inflate output handler. |
| http.send.inflate.start_flags | "0" | PHP_INI_ALL | Initialization settings for the inflate output handler. |
| http.send.deflate.start_auto | "0" | PHP_INI_PERDIR|PHP_INI_SYSTEM | Whether to automatically start the deflate output handler. |
| http.send.deflate.start_flags | "0" | PHP_INI_ALL | Initialization settings for the deflate output handler. See deflate constants. |
| http.send.not_found_404 | "1" | PHP_INI_ALL | Whether to automatically exit with a status of "404 Not found", if http_send_file() was not able to find the specified file. See the INI setting http.force_exit for what "exits" means. |
| http.only_exceptions | "0" | PHP_INI_ALL | Whether all notices/warnings/errors should be thrown as exceptions. |
| http.force_exit | "1" | PHP_INI_ALL | Each occasion where "exits with a status of..." is mentioned, usually causes the halt of the scripting engine. Disable this option if you alternatively want to start a discarding (dev/null) output handler and continue script execution. |