📄 oci8.configuration.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <title>Runtime Configuration</title> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> </head> <body><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="oci8.installation.html">Installation</a></div> <div class="next" style="text-align: right; float: right;"><a href="oci8.resources.html">Resource Types</a></div> <div class="up"><a href="oci8.setup.html">Installing/Configuring</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="oci8.configuration" class="section"> <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 border="5"> <caption><b>OCI8 Configuration Options</b></caption> <colgroup> <thead valign="middle"> <tr valign="middle"> <th colspan="1">Name</th> <th colspan="1">Default</th> <th colspan="1">Changeable</th> <th colspan="1">Changelog</th> </tr> </thead> <tbody valign="middle" class="tbody"> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">oci8.privileged_connect</td> <td colspan="1" rowspan="1" align="left">"0"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td colspan="1" rowspan="1" align="left">Available since PHP 5.1.2.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">oci8.max_persistent</td> <td colspan="1" rowspan="1" align="left">"-1"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td colspan="1" rowspan="1" align="left">Available since PHP 5.1.2.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">oci8.persistent_timeout</td> <td colspan="1" rowspan="1" align="left">"-1"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td colspan="1" rowspan="1" align="left">Available since PHP 5.1.2.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">oci8.ping_interval</td> <td colspan="1" rowspan="1" align="left">"60"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td colspan="1" rowspan="1" align="left">Available since PHP 5.1.2.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">oci8.statement_cache_size</td> <td colspan="1" rowspan="1" align="left">"20"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td colspan="1" rowspan="1" align="left">Available since PHP 5.1.2.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">oci8.default_prefetch</td> <td colspan="1" rowspan="1" align="left">"10"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td colspan="1" rowspan="1" align="left">Available since PHP 5.1.2.</td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">oci8.old_oci_close_semantics</td> <td colspan="1" rowspan="1" align="left">"0"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td colspan="1" rowspan="1" align="left">Available since PHP 5.1.2.</td> </tr> </tbody> </colgroup> </table> </p> <p class="para">Here's a short explanation ofthe configuration directives.</p> <p class="para"> <dl> <dt id="ini.oci8.privileged_connect"> <span class="term"> <i><tt class="parameter">oci8.privileged_connect</tt></i> <a href="language.types.boolean.html" class="type boolean">boolean</a> </span> <dd> <p class="para"> This option enables privileged connections using external credentials (<b><tt>OCI_SYSOPER</tt></b>, <b><tt>OCI_SYSDBA</tt></b>). </p> </dd> </dt> <dt id="ini.oci8.max_persistent"> <span class="term"> <i><tt class="parameter">oci8.max_persistent</tt></i> <a href="language.types.integer.html" class="type int">int</a> </span> <dd> <p class="para"> The maximum number of persistent OCI8 connections per process. Setting this option to -1 means that there is no limit. </p> </dd> </dt> <dt id="ini.oci8.persistent_timeout"> <span class="term"> <i><tt class="parameter">oci8.persistent_timeout</tt></i> <a href="language.types.integer.html" class="type int">int</a> </span> <dd> <p class="para"> The maximum length of time (in seconds) that a given process is allowed to maintain an idle persistent connection. Setting this option to -1 means that idle persistent connections will be maintained forever. </p> </dd> </dt> <dt id="ini.oci8.ping_interval"> <span class="term"> <i><tt class="parameter">oci8.ping_interval</tt></i> <a href="language.types.integer.html" class="type int">int</a> </span> <dd> <p class="para"> The length of time (in seconds) that must pass before issuing a ping during <a href="function.oci-pconnect.html" class="function">oci_pconnect()</a>. When set to 0, persistent connections will be pinged every time they are reused. To disable pings completely, set this option to -1. </p> <blockquote><p><b class="note">Note</b>: <span class="simpara"> Disabling pings will cause <a href="function.oci-pconnect.html" class="function">oci_pconnect()</a> calls to operate at the highest efficiency, but may cause PHP to not detect faulty connections, such as those caused by network partitions, or if the Oracle server has gone down since PHP connected, until later in the script. Consult the <a href="function.oci-pconnect.html" class="function">oci_pconnect()</a> documentation for more information. </span> </p></blockquote> </dd> </dt> <dt id="ini.oci8.statement_cache_size"> <span class="term"> <i><tt class="parameter">oci8.statement_cache_size</tt></i> <a href="language.types.integer.html" class="type int">int</a> </span> <dd> <p class="para"> This option enables statement caching, and specifies how many statements to cache. To disable statement caching just set this option to 0. </p> <blockquote><p><b class="note">Note</b>: <span class="simpara"> A larger cache can result in improved performance, at the cost of increased memory usage. </span> </p></blockquote> </dd> </dt> <dt id="ini.oci8.default_prefetch"> <span class="term"> <i><tt class="parameter">oci8.default_prefetch</tt></i> <a href="language.types.integer.html" class="type int">int</a> </span> <dd> <p class="para"> This option enables statement prefetching and sets the default number of rows that will be fetched automatically after statement execution. </p> <blockquote><p><b class="note">Note</b>: <span class="simpara"> A larger prefetch can result in improved performance, at the cost of increased memory usage. </span> </p></blockquote> </dd> </dt> <dt id="ini.oci8.old_oci_close_semantics"> <span class="term"> <i><tt class="parameter">oci8.old_oci_close_semantics</tt></i> <a href="language.types.boolean.html" class="type boolean">boolean</a> </span> <dd> <p class="para"> This option controls <a href="function.oci-close.html" class="function">oci_close()</a> behaviour. Enabling it means that <a href="function.oci-close.html" class="function">oci_close()</a> will do nothing; the connection will not be closed until the end of the script. This is for backward compatibility only. If you find that you need to enable this setting, you are <em class="emphasis">strongly encouraged</em> to remove the <a href="function.oci-close.html" class="function">oci_close()</a> calls from your application instead of enabling this option. </p> </dd> </dt> </dl> </p> </div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="oci8.installation.html">Installation</a></div> <div class="next" style="text-align: right; float: right;"><a href="oci8.resources.html">Resource Types</a></div> <div class="up"><a href="oci8.setup.html">Installing/Configuring</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div></body></html>⌨️ 快捷键说明
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