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?>
<div id="function.metaphone" class="refentry">
   <div class="refnamediv">
    <h1 class="refname">metaphone</h1>
    <p class="verinfo">(PHP 4, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">metaphone</span> &mdash; <span class="dc-title">Calcola la chiave metaphone di una stringa</span></p>

   </div>
   <div class="refsect1 unknown-1312" id="refsect1-function.metaphone-unknown-1312">
    <h3 class="title">Descrizione</h3>
     <div class="methodsynopsis dc-description">
      <span class="methodname"><strong>metaphone</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.string.php" class="type string">string</a></span> <code class="parameter">$str</code></span>, <span class="methodparam"><span class="type"><a href="language.types.integer.php" class="type int">int</a></span> <code class="parameter">$phones</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="language.types.string.php" class="type string">string</a></span></div>

    <p class="para rdfs-comment">
     Calcola la chiave metaphone di <code class="parameter">str</code>.
    </p>
    <p class="para">
     In modo simile a <span class="function"><a href="function.soundex.php" class="function">soundex()</a></span> la funzione crea la
     medesima chiave per parole con il medesimo suono. Questa funzione è più accurata che
     <span class="function"><a href="function.soundex.php" class="function">soundex()</a></span> poiché conosce le regole di base della 
     pronuncia inglese. Le chiavi metaphone generate hanno
     lunghezza variabile.
    </p>
    <p class="para">
     La chiave Metaphone è stata sviluppata da Lawrence Philips
     &lt;lphilips at verity dot com&gt;. Viene descritta in [&quot;Practical
     Algorithms for Programmers&quot;, Binstock &amp; Rex, Addison Wesley,
     1995].
    </p>
   </div>

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