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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="odbc.installation.html">Installation</a></div> <div class="next" style="text-align: right; float: right;"><a href="uodbc.resources.html">Resource Types</a></div> <div class="up"><a href="uodbc.setup.html">Installing/Configuring</a></div> <div class="home"><a href="index.html">PHP Manual</a></div></div><hr /><div id="odbc.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>Unified ODBC 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">odbc.default_db *</td> <td colspan="1" rowspan="1" align="left">NULL</td> <td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.default_user *</td> <td colspan="1" rowspan="1" align="left">NULL</td> <td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.default_pw *</td> <td colspan="1" rowspan="1" align="left">NULL</td> <td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.allow_persistent</td> <td colspan="1" rowspan="1" align="left">"1"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.check_persistent</td> <td colspan="1" rowspan="1" align="left">"1"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.max_persistent</td> <td colspan="1" rowspan="1" align="left">"-1"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.max_links</td> <td colspan="1" rowspan="1" align="left">"-1"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_SYSTEM</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.defaultlrl</td> <td colspan="1" rowspan="1" align="left">"4096"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.defaultbinmode</td> <td colspan="1" rowspan="1" align="left">"1"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td> <td class="empty"> </td> </tr> <tr valign="middle"> <td colspan="1" rowspan="1" align="left">odbc.default_cursortype</td> <td colspan="1" rowspan="1" align="left">"3"</td> <td colspan="1" rowspan="1" align="left">PHP_INI_ALL</td> <td colspan="1" rowspan="1" align="left">Available as of PHP5.3.0</td> </tr> </tbody> </colgroup> </table> <blockquote><p><b class="note">Note</b>: <span class="simpara"> Entries marked with * are not implemented yet. </span> </p></blockquote> For further details and definitions of the PHP_INI_* constants, see the <a href="ini.html" class="xref">php.ini directives</a>. </p> <p class="para">Here's a short explanation ofthe configuration directives.</p> <p class="para"> <dl> <dt id="ini.uodbc.default-db"> <span class="term"> <i><tt class="parameter">odbc.default_db</tt></i> <a href="language.types.string.html" class="type string">string</a> </span> <dd> <p class="para"> ODBC data source to use if none is specified in <a href="function.odbc-connect.html" class="function">odbc_connect()</a> or <a href="function.odbc-pconnect.html" class="function">odbc_pconnect()</a>. </p> </dd> </dt> <dt id="ini.uodbc.default-user"> <span class="term"> <i><tt class="parameter">odbc.default_user</tt></i> <a href="language.types.string.html" class="type string">string</a> </span> <dd> <p class="para"> User name to use if none is specified in <a href="function.odbc-connect.html" class="function">odbc_connect()</a> or <a href="function.odbc-pconnect.html" class="function">odbc_pconnect()</a>. </p> </dd> </dt> <dt id="ini.uodbc.default-pw"> <span class="term"> <i><tt class="parameter">odbc.default_pw</tt></i> <a href="language.types.string.html" class="type string">string</a> </span> <dd> <p class="para"> Password to use if none is specified in <a href="function.odbc-connect.html" class="function">odbc_connect()</a> or <a href="function.odbc-pconnect.html" class="function">odbc_pconnect()</a>. </p> </dd> </dt> <dt id="ini.uodbc.allow-persistent"> <span class="term"> <i><tt class="parameter">odbc.allow_persistent</tt></i> <a href="language.types.boolean.html" class="type boolean">boolean</a> </span> <dd> <p class="para"> Whether to allow persistent ODBC connections. </p> </dd> </dt> <dt id="ini.uodbc.check-persistent"> <span class="term"> <i><tt class="parameter">odbc.check_persistent</tt></i> <a href="language.types.boolean.html" class="type boolean">boolean</a> </span> <dd> <p class="para"> Check that a connection is still valid before reuse. </p> </dd> </dt> <dt id="ini.uodbc.max-persistent"> <span class="term"> <i><tt class="parameter">odbc.max_persistent</tt></i> <a href="language.types.integer.html" class="type integer">integer</a> </span> <dd> <p class="para"> The maximum number of persistent ODBC connections per process. </p> </dd> </dt> <dt id="ini.uodbc.max-links"> <span class="term"> <i><tt class="parameter">odbc.max_links</tt></i> <a href="language.types.integer.html" class="type integer">integer</a> </span> <dd> <p class="para"> The maximum number of ODBC connections per process, including persistent connections. </p> </dd> </dt> <dt id="ini.uodbc.defaultlrl"> <span class="term"> <i><tt class="parameter">odbc.defaultlrl</tt></i> <a href="language.types.integer.html" class="type integer">integer</a> </span> <dd> <p class="para"> Handling of LONG fields. Specifies the number of bytes returned to variables. </p> <span class="simpara">When an <a href="language.types.integer.html" class="type integer">integer</a> is used, the value is measured in bytes. Shorthand notation, as described in <a href="faq.using.html#faq.using.shorthandbytes" class="link">this FAQ</a>, may also be used.</span> </dd> </dt> <dt id="ini.uodbc.defaultbinmode"> <span class="term"> <i><tt class="parameter">odbc.defaultbinmode</tt></i> <a href="language.types.integer.html" class="type integer">integer</a> </span> <dd> <p class="para"> Handling of binary data. </p> </dd> </dt> <dt id="ini.uodbc.defaultcursortype"> <span class="term"> <i><tt class="parameter">odbc.default_cursortype</tt></i> <a href="language.types.integer.html" class="type integer">integer</a> </span> <dd> <p class="para"> Controles the ODBC cursormodel. Possible values are <b><tt>SQL_CURSOR_FORWARD_ONLY</tt></b>, <b><tt>SQL_CURSOR_KEYSET_DRIVEN</tt></b>, <b><tt>SQL_CURSOR_DYNAMIC</tt></b> and <b><tt>SQL_CURSOR_STATIC</tt></b> (default). </p> </dd> </dt> </dl> </p></div><hr /><div style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="odbc.installation.html">Installation</a></div> <div class="next" style="text-align: right; float: right;"><a href="uodbc.resources.html">Resource Types</a></div> <div class="up"><a href="uodbc.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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