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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>InterBase configuration options</strong></caption>
<thead>
<tr>
<th>Name</th>
<th>Default</th>
<th>Changeable</th>
<th>Changelog</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td><a href="ibase.configuration.html#ini.ibase.allow-persistent" class="link">ibase.allow_persistent</a></td>
<td>"1"</td>
<td>PHP_INI_SYSTEM</td>
<td class="empty"> </td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.max-persistent" class="link">ibase.max_persistent</a></td>
<td>"-1"</td>
<td>PHP_INI_SYSTEM</td>
<td class="empty"> </td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.max-links" class="link">ibase.max_links</a></td>
<td>"-1"</td>
<td>PHP_INI_SYSTEM</td>
<td class="empty"> </td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.default-db" class="link">ibase.default_db</a></td>
<td>NULL</td>
<td>PHP_INI_SYSTEM</td>
<td>Available since PHP 5.0.0.</td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.default-user" class="link">ibase.default_user</a></td>
<td>NULL</td>
<td>PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.default-password" class="link">ibase.default_password</a></td>
<td>NULL</td>
<td>PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.default-charset" class="link">ibase.default_charset</a></td>
<td>NULL</td>
<td>PHP_INI_ALL</td>
<td>Available since PHP 5.0.0.</td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.timestampformat" class="link">ibase.timestampformat</a></td>
<td>"%Y-%m-%d %H:%M:%S"</td>
<td>PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.dateformat" class="link">ibase.dateformat</a></td>
<td>"%Y-%m-%d"</td>
<td>PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
<tr>
<td><a href="ibase.configuration.html#ini.ibase.timeformat" class="link">ibase.timeformat</a></td>
<td>"%H:%M:%S"</td>
<td>PHP_INI_ALL</td>
<td class="empty"> </td>
</tr>
</tbody>
</table>
For further details and definitions of the
PHP_INI_* modes, see the <a href="configuration.changes.modes.html" class="xref">Where a configuration setting may be set</a>.
</p>
<p class="para">Here's a short explanation of
the configuration directives.</p>
<p class="para">
<dl>
<dt id="ini.ibase.allow-persistent">
<span class="term">
<em><code class="parameter">ibase.allow_persistent</code></em>
<span class="type"><a href="language.types.boolean.html" class="type boolean">boolean</a></span>
</span>
<dd>
<p class="para">
Whether to allow
<a href="features.persistent-connections.html" class="link">persistent connections</a>
to Firebird/InterBase.
</p>
</dd>
</dt>
<dt id="ini.ibase.max-persistent">
<span class="term">
<em><code class="parameter">ibase.max_persistent</code></em>
<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>
</span>
<dd>
<p class="para">
The maximum number of persistent Firebird/InterBase connections per
process. New connections created with ibase_pconnect() will be non-persistent
if this number would be exceeded.
</p>
</dd>
</dt>
<dt id="ini.ibase.max-links">
<span class="term">
<em><code class="parameter">ibase.max_links</code></em>
<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span>
</span>
<dd>
<p class="para">
The maximum number of Firebird/InterBase connections per process, including
persistent connections.
</p>
</dd>
</dt>
<dt id="ini.ibase.default-db">
<span class="term">
<em><code class="parameter">ibase.default_db</code></em>
<span class="type"><a href="language.types.string.html" class="type string">string</a></span>
</span>
<dd>
<p class="para">
The default database to connect to when ibase_[p]connect() is called
without specifying a database name. If this value is set and SQL safe
mode is enabled, no other connections than to this database will be allowed.
</p>
</dd>
</dt>
<dt id="ini.ibase.default-user">
<span class="term">
<em><code class="parameter">ibase.default_user</code></em>
<span class="type"><a href="language.types.string.html" class="type string">string</a></span>
</span>
<dd>
<p class="para">
The user name to use when connecting to a database
if no user name is specified.
</p>
</dd>
</dt>
<dt id="ini.ibase.default-password">
<span class="term">
<em><code class="parameter">ibase.default_password</code></em>
<span class="type"><a href="language.types.string.html" class="type string">string</a></span>
</span>
<dd>
<p class="para">
The password to use when connecting to a database
if no password is specified.
</p>
</dd>
</dt>
<dt id="ini.ibase.default-charset">
<span class="term">
<em><code class="parameter">ibase.default_charset</code></em>
<span class="type"><a href="language.types.string.html" class="type string">string</a></span>
</span>
<dd>
<p class="para">
The character set to use when connecting to a database
if no character set is specified.
</p>
</dd>
</dt>
<dt id="ini.ibase.timestampformat">
<span class="term">
<em><code class="parameter">ibase.timestampformat</code></em>
<span class="type"><a href="language.types.string.html" class="type string">string</a></span>
</span>
<dd>
<p class="para">
</p>
</dd>
</dt>
<dt id="ini.ibase.dateformat">
<span class="term">
<em><code class="parameter">ibase.dateformat</code></em>
<span class="type"><a href="language.types.string.html" class="type string">string</a></span>
</span>
<dd>
<p class="para">
</p>
</dd>
</dt>
<dt id="ini.ibase.timeformat">
<span class="term">
<em><code class="parameter">ibase.timeformat</code></em>
<span class="type"><a href="language.types.string.html" class="type string">string</a></span>
</span>
<dd>
<p class="para">
These directives are used to set the date and time formats
that are used when returning dates and times from a result set,
or when binding arguments to date and time parameters.
</p>
</dd>
</dt>
</dl>
</p>
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