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<h1 class="refname">fbsql_set_transaction</h1>
<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">fbsql_set_transaction</span> — <span class="dc-title">Set the transaction locking and isolation</span></p>
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<div class="refsect1 description" id="refsect1-function.fbsql-set-transaction-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type"><span class="type void">void</span></span> <span class="methodname"><strong>fbsql_set_transaction</strong></span>
( <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_identifier</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$locking</code></span>
, <span class="methodparam"><span class="type">int</span> <code class="parameter">$isolation</code></span>
)</div>
<p class="para rdfs-comment">
Sets the transaction <em><code class="parameter">locking</code></em> and
<em><code class="parameter">isolation</code></em>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.fbsql-set-transaction-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">
link_identifier</code></em></span><dd>
<p class="para">A FrontBase link identifier
returned by <span class="function"><a href="function.fbsql-connect.html" class="function">fbsql_connect()</a></span> or
<span class="function"><a href="function.fbsql-pconnect.html" class="function">fbsql_pconnect()</a></span>.</p><p class="para">If optional and not specified,
the function will try to find an open link to the FrontBase server and if no
such link is found it will try to create one as if
<span class="function"><a href="function.fbsql-connect.html" class="function">fbsql_connect()</a></span> was called with no arguments.</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">locking</code></em></span>
<dd>
<p class="para">
The type of locking to be set. It can be one of the following
constants: <strong><code>FBSQL_LOCK_DEFERRED</code></strong>,
<strong><code>FBSQL_LOCK_OPTIMISTIC</code></strong>,
or <strong><code>FBSQL_LOCK_PESSIMISTIC</code></strong>.
</p>
</dd>
</dt>
<dt>
<span class="term"><em><code class="parameter">isolation</code></em></span>
<dd>
<p class="para">
The type of isolation to be set. It can be one of the following
constants: <strong><code>FBSQL_ISO_READ_UNCOMMITTED</code></strong>,
<strong><code>FBSQL_ISO_READ_COMMITTED</code></strong>,
<strong><code>FBSQL_ISO_REPEATABLE_READ</code></strong>,
<strong><code>FBSQL_ISO_SERIALIZABLE</code></strong>,
or <strong><code>FBSQL_ISO_VERSIONED</code></strong>.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.fbsql-set-transaction-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
No value is returned.
</p>
</div>
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