<!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>Calculates the match score between two fuzzy hash signatures</title> </head> <body><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.ssdeep.html">ssdeep Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ssdeep-fuzzy-hash-filename.html">ssdeep_fuzzy_hash_filename</a></div> <div class="up"><a href="ref.ssdeep.html">ssdeep Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div><hr /><div id="function.ssdeep-fuzzy-compare" class="refentry"> <div class="refnamediv"> <h1 class="refname">ssdeep_fuzzy_compare</h1> <p class="verinfo">(PECL ssdeep >= 1.0.0)</p><p class="refpurpose"><span class="refname">ssdeep_fuzzy_compare</span> — <span class="dc-title">Calculates the match score between two fuzzy hash signatures</span></p> </div> <div class="refsect1 description" id="refsect1-function.ssdeep-fuzzy-compare-description"> <h3 class="title">Description</h3> <div class="methodsynopsis dc-description"> <span class="type">int</span> <span class="methodname"><strong>ssdeep_fuzzy_compare</strong></span> ( <span class="methodparam"><span class="type">string</span> <code class="parameter">$signature1</code></span> , <span class="methodparam"><span class="type">string</span> <code class="parameter">$signature2</code></span> )</div> <p class="para rdfs-comment"> Calculates the match score between <em><code class="parameter">signature1</code></em> and <em><code class="parameter">signature2</code></em> using <a href="http://dfrws.org/2006/proceedings/12-Kornblum.pdf" class="link external">» context-triggered piecewise hashing</a>, and returns the match score. </p> </div> <div class="refsect1 parameters" id="refsect1-function.ssdeep-fuzzy-compare-parameters"> <h3 class="title">Parameters</h3> <dl> <dt> <span class="term"><em><code class="parameter">signature1</code></em></span> <dd> <p class="para"> The first fuzzy hash signature string. </p> </dd> </dt> <dt> <span class="term"><em><code class="parameter">signature2</code></em></span> <dd> <p class="para"> The second fuzzy hash signature string. </p> </dd> </dt> </dl> </div> <div class="refsect1 returnvalues" id="refsect1-function.ssdeep-fuzzy-compare-returnvalues"> <h3 class="title">Return Values</h3> <p class="para"> Returns an integer from 0 to 100 on success, <strong><code>FALSE</code></strong> otherwise. </p> </div> </div><hr /><div class="manualnavbar" style="text-align: center;"> <div class="prev" style="text-align: left; float: left;"><a href="ref.ssdeep.html">ssdeep Functions</a></div> <div class="next" style="text-align: right; float: right;"><a href="function.ssdeep-fuzzy-hash-filename.html">ssdeep_fuzzy_hash_filename</a></div> <div class="up"><a href="ref.ssdeep.html">ssdeep Functions</a></div> <div class="home"><a href="index.html">PHP Manual</a></div> </div></body></html>