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<title>Roll back a transaction</title>
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<h1 class="refname">ibase_rollback</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">ibase_rollback</span> — <span class="dc-title">Roll back a transaction</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.ibase-rollback-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">bool</span> <span class="methodname"><strong>ibase_rollback</strong></span>
([ <span class="methodparam"><span class="type">resource</span> <code class="parameter">$link_or_trans_identifier</code><span class="initializer"> = <strong><code>NULL</code></strong></span></span>
] )</div>
<p class="para rdfs-comment">
Rolls back a transaction.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.ibase-rollback-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">link_or_trans_identifier</code></em></span>
<dd>
<p class="para">
If called without an argument, this function rolls back the default
transaction of the default link. If the argument is a connection
identifier, the default transaction of the corresponding connection
will be rolled back. If the argument is a transaction identifier, the
corresponding transaction will be rolled back.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.ibase-rollback-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns <strong><code>TRUE</code></strong> on success or <strong><code>FALSE</code></strong> on failure.
</p>
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