<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Make binary diff of two files</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.xdiff-file-bdiff-size.html">xdiff_file_bdiff_size</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.xdiff-file-bpatch.html">xdiff_file_bpatch</a></div> <div class="up"><a href="ref.xdiff.html">xdiff Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.xdiff-file-bdiff" class="refentry"> <div class="refnamediv"> <h1 class="refname">xdiff_file_bdiff</h1> <p class="verinfo">(PECL xdiff >= 1.5.0)</p><p class="refpurpose"><span class="refname">xdiff_file_bdiff</span> — <span class="dc-title">Make binary diff of two files</span></p> </div> <div class="refsect1 description" id="refsect1-function.xdiff-file-bdiff-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">bool</span> <span class="methodname"><strong>xdiff_file_bdiff</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$old_file</code></span> , <span class="methodparam"><span class="type">string</span> <code class="parameter">$new_file</code></span> , <span class="methodparam"><span class="type">string</span> <code class="parameter">$dest</code></span> )</div> <p class="para rdfs-comment"> Makes a binary diff of two files and stores the result in a patch file. This function works with both text and binary files. Resulting patch file can be later applied using <span class="function"><a href="function.xdiff-file-bpatch.html" class="function">xdiff_file_bpatch()</a></span>/ <span class="function"><a href="function.xdiff-string-bpatch.html" class="function">xdiff_string_bpatch()</a></span>. </p> </div> <div class="refsect1 parameters" id="refsect1-function.xdiff-file-bdiff-parameters"> <h3 class="title">Parameters</h3> <p class="para"> <dl> <dt> <span class="term"><em><code class="parameter">old_file</code></em></span> <dd> <p class="para"> Path to the first file. This file acts as "old" file. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">new_file</code></em></span> <dd> <p class="para"> Path to the second file. This file acts as "new" file. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">dest</code></em></span> <dd> <p class="para"> Path of the resulting patch file. Resulting file contains differences between "old" and "new" files. It is in binary format and is human-unreadable. </p> </dd> </dt> </dl> </p> </div> <div class="refsect1 returnvalues" id="refsect1-function.xdiff-file-bdiff-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> </div> <div class="refsect1 examples" id="refsect1-function.xdiff-file-bdiff-examples"> <h3 class="title">Examples</h3> <p class="para"> <div class="example" id="example-2450"> <p><strong>Example #1 <span class="function"><strong>xdiff_file_bdiff()</strong></span> example</strong></p> <div class="example-contents"><p> The following code makes binary diff of two archives. </p></div> <div class="example-contents"> <div class="phpcode"><code><span style="color: #000000"> <span style="color: #0000BB"><?php<br />$old_version </span><span style="color: #007700">= </span><span style="color: #DD0000">'my_script_1.0.tgz'</span><span style="color: #007700">;<br /></span><span style="color: #0000BB">$new_version </span><span style="color: #007700">= </span><span style="color: #DD0000">'my_script_1.1.tgz'</span><span style="color: #007700">;<br /><br /></span><span style="color: #0000BB">xdiff_file_bdiff</span><span style="color: #007700">(</span><span style="color: #0000BB">$old_version</span><span style="color: #007700">, </span><span style="color: #0000BB">$new_version</span><span style="color: #007700">, </span><span style="color: #DD0000">'my_script.bdiff'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span> </span> </code></div> </div> </div> </p> </div> <div class="refsect1 notes" id="refsect1-function.xdiff-file-bdiff-notes"> <h3 class="title">Notes</h3> <blockquote class="note"><p><strong class="note">Note</strong>: <p class="para"> Both files will be loaded into memory so ensure that your memory_limit is set high enough. </p> </p></blockquote> </div> <div class="refsect1 seealso" id="refsect1-function.xdiff-file-bdiff-seealso"> <h3 class="title">See Also</h3> <p class="para"> <ul class="simplelist"> <li class="member"> <span class="function"><a href="function.xdiff-file-bpatch.html" class="function" rel="rdfs-seeAlso">xdiff_file_bpatch()</a> - Patch a file with a binary diff</span></li> </ul> </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="function.xdiff-file-bdiff-size.html">xdiff_file_bdiff_size</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.xdiff-file-bpatch.html">xdiff_file_bpatch</a></div> <div class="up"><a href="ref.xdiff.html">xdiff Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>