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<title>Read a size of file created by applying a binary diff</title>
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<h1 class="refname">xdiff_string_bdiff_size</h1>
<p class="verinfo">(PECL xdiff >= 1.5.0)</p><p class="refpurpose"><span class="refname">xdiff_string_bdiff_size</span> — <span class="dc-title">Read a size of file created by applying a binary diff</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.xdiff-string-bdiff-size-description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><strong>xdiff_string_bdiff_size</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$patch</code></span>
)</div>
<p class="para rdfs-comment">
Returns a size of a result file that would be created after applying binary <em><code class="parameter">patch</code></em> to
the original file.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.xdiff-string-bdiff-size-parameters">
<h3 class="title">Parameters</h3>
<p class="para">
<dl>
<dt>
<span class="term"><em><code class="parameter">patch</code></em></span>
<dd>
<p class="para">
The binary patch created by <span class="function"><a href="function.xdiff-string-bdiff.html" class="function">xdiff_string_bdiff()</a></span> or
<span class="function"><a href="function.xdiff-string-rabdiff.html" class="function">xdiff_string_rabdiff()</a></span> function.
</p>
</dd>
</dt>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.xdiff-string-bdiff-size-returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
Returns the size of file that would be created.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.xdiff-string-bdiff-size-examples">
<h3 class="title">Examples</h3>
<p class="para">
<div class="example" id="example-2459">
<p><strong>Example #1 <span class="function"><strong>xdiff_string_bdiff_size()</strong></span> example</strong></p>
<div class="example-contents"><p>
The following code applies reads a size of file that would be created
after applying a binary diff.
</p></div>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$binary_patch </span><span style="color: #007700">= </span><span style="color: #0000BB">file_get_contents</span><span style="color: #007700">(</span><span style="color: #DD0000">'file.bdiff'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$length </span><span style="color: #007700">= </span><span style="color: #0000BB">xdiff_string_bdiff_size</span><span style="color: #007700">(</span><span style="color: #0000BB">$binary_patch</span><span style="color: #007700">);<br />echo </span><span style="color: #DD0000">"Resulting file will be </span><span style="color: #0000BB">$length</span><span style="color: #DD0000"> bytes long"</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">?></span>
</span>
</code></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.xdiff-string-bdiff-size-seealso">
<h3 class="title">See Also</h3>
<p class="para">
<ul class="simplelist">
<li class="member"> <span class="function"><a href="function.xdiff-string-bdiff.html" class="function" rel="rdfs-seeAlso">xdiff_string_bdiff()</a> - Make binary diff of two strings</span></li>
<li class="member"> <span class="function"><a href="function.xdiff-string-rabdiff.html" class="function" rel="rdfs-seeAlso">xdiff_string_rabdiff()</a> - Make binary diff of two strings using the Rabin's polynomial fingerprinting algorithm</span></li>
<li class="member"> <span class="function"><a href="function.xdiff-string-bpatch.html" class="function" rel="rdfs-seeAlso">xdiff_string_bpatch()</a> - Patch a string with a binary diff</span></li>
</ul>
</p>
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