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<title>Runtime Configuration</title>
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<h2 class="title">Runtime Configuration</h2>
<p class="simpara">
The behaviour of these functions is affected by settings in <var class="filename">php.ini</var>.
</p>
<p class="para">
<table class="doctable table">
<caption><strong>HTTP Configuration Options</strong></caption>
<thead>
<tr>
<th>Name</th>
<th>Default</th>
<th>Changeable</th>
<th>Description</th>
</tr>
</thead>
<tbody class="tbody">
<tr id="http.configuration.etag.mode">
<td>http.etag.mode</td>
<td>"MD5"</td>
<td>PHP_INI_ALL</td>
<td>
The hashing algorithm used to generate the ETag. MD5, SHA1, and CRC32
are always available. If the <a href="ref.hash.html" class="link">hash</a>
extension is enabled, any hashing algorithms this extension provides
are available, too.
</td>
</tr>
<tr id="http.configuration.log.cache">
<td>http.log.cache</td>
<td>""</td>
<td>PHP_INI_ALL</td>
<td>
The path (or stream wrapper url) to a log file in which to write successful cache hits.
</td>
</tr>
<tr id="http.configuration.log.redirect">
<td>http.log.redirect</td>
<td>""</td>
<td>PHP_INI_ALL</td>
<td>
The path (or stream wrapper url) to a log file in which to write redirects.
</td>
</tr>
<tr id="http.configuration.log.not-found">
<td>http.log.not_found</td>
<td>""</td>
<td>PHP_INI_ALL</td>
<td>
The path (or stream wrapper url) to a log file in which to write "file not found" errors.
</td>
</tr>
<tr id="http.configuration.log.allowed-methods">
<td>http.log.allowed_methods</td>
<td>""</td>
<td>PHP_INI_ALL</td>
<td>
The path (or stream wrapper url) to a log file in which to write "allowed methods" violations.
</td>
</tr>
<tr id="http.configuration.log.composite">
<td>http.log.composite</td>
<td>""</td>
<td>PHP_INI_ALL</td>
<td>
The path (or stream wrapper url) to a log file in which to write all events.
</td>
</tr>
<tr id="http.configuration.request.methods.allowed">
<td>http.request.methods.allowed</td>
<td>""</td>
<td>PHP_INI_ALL</td>
<td>
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 <a href="http.configuration.html" class="link">INI setting</a>
<a href="" class="link">http.force_exit</a> for what "exits" means.
</td>
</tr>
<tr id="http.configuration.request.methods.custom">
<td>http.request.methods.custom</td>
<td>""</td>
<td>PHP_INI_PERDIR|PHP_INI_SYSTEM</td>
<td>
Custom request methods. If you want to use any non-standard request methods,
you can register them with this INI setting or <span class="function"><a href="function.http-request-method-register.html" class="function">http_request_method_register()</a></span>.
</td>
</tr>
<tr id="http.configuration.request.datashare.cookie">
<td>http.request.datashare.cookie</td>
<td>"0"</td>
<td>PHP_INI_SYSTEM</td>
<td>
Whether the global <strong class="classname">HttpRequestDataShare</strong> should by default share cookie information.
</td>
</tr>
<tr id="http.configuration.request.datashare.dns">
<td>http.request.datashare.dns</td>
<td>"1"</td>
<td>PHP_INI_SYSTEM</td>
<td>
Whether the global <strong class="classname">HttpRequestDataShare</strong> should by default share name lookup information.
</td>
</tr>
<tr id="http.configuration.request.datashare.ssl">
<td>http.request.datashare.ssl</td>
<td>"0"</td>
<td>PHP_INI_SYSTEM</td>
<td>
Whether the global <strong class="classname">HttpRequestDataShare</strong> should by default share SSL session information.
This is not yet implemented in libcurl.
</td>
</tr>
<tr id="http.configuration.request.datashare.connect">
<td>http.request.datashare.connect</td>
<td>"0"</td>
<td>PHP_INI_SYSTEM</td>
<td>
Whether the global <strong class="classname">HttpRequestDataShare</strong> should by default share connect information.
This is not yet implemented in libcurl.
</td>
</tr>
<tr id="http.configuration.persistent.handles.limit">
<td>http.persistent.handles.limit</td>
<td>"-1"</td>
<td>PHP_INI_SYSTEM</td>
<td>
The maximum amount of persistent handles to keep alive.
</td>
</tr>
<tr id="http.configuration.persistent.handles.ident">
<td>http.persistent.handles.ident</td>
<td>"GLOBAL"</td>
<td>PHP_INI_ALL</td>
<td>
The ident of persistent handles.
</td>
</tr>
<tr id="http.configuration.send.inflate.start-auto">
<td>http.send.inflate.start_auto</td>
<td>"0"</td>
<td>PHP_INI_PERDIR|PHP_INI_SYSTEM</td>
<td>
Whether to automatically start the inflate output handler.
</td>
</tr>
<tr id="http.configuration.send.inflate.start-flags">
<td>http.send.inflate.start_flags</td>
<td>"0"</td>
<td>PHP_INI_ALL</td>
<td>
Initialization settings for the inflate output handler.
</td>
</tr>
<tr id="http.configuration.send.deflate.start-auto">
<td>http.send.deflate.start_auto</td>
<td>"0"</td>
<td>PHP_INI_PERDIR|PHP_INI_SYSTEM</td>
<td>
Whether to automatically start the deflate output handler.
</td>
</tr>
<tr id="http.configuration.send.deflate.start-flags">
<td>http.send.deflate.start_flags</td>
<td>"0"</td>
<td>PHP_INI_ALL</td>
<td>
Initialization settings for the deflate output handler.
See <a href="http.constants.html#http.constants.deflate" class="link">deflate constants</a>.
</td>
</tr>
<tr id="http.configuration.send.not-found-404">
<td>http.send.not_found_404</td>
<td>"1"</td>
<td>PHP_INI_ALL</td>
<td>
Whether to automatically exit with a status of "404 Not found",
if <span class="function"><a href="function.http-send-file.html" class="function">http_send_file()</a></span> was not able to find the specified file.
See the <a href="http.configuration.html" class="link">INI setting</a>
<a href="" class="link">http.force_exit</a> for what "exits" means.
</td>
</tr>
<tr id="http.configuration.only-exceptions">
<td>http.only_exceptions</td>
<td>"0"</td>
<td>PHP_INI_ALL</td>
<td>
Whether all notices/warnings/errors should be thrown as exceptions.
</td>
</tr>
<tr id="http.configuration.force-exit">
<td>http.force_exit</td>
<td>"1"</td>
<td>PHP_INI_ALL</td>
<td>
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.
</td>
</tr>
</tbody>
</table>
</p>
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