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?>
<div id="function.memory-get-usage" class="refentry">
   <div class="refnamediv">
    <h1 class="refname">memory_get_usage</h1>
    <p class="verinfo">(PHP 4 &gt;= 4.3.2, PHP 5, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">memory_get_usage</span> &mdash; <span class="dc-title">Restituisce la quantità di memoria allocata dal PHP</span></p>

   </div>
   <div class="refsect1 unknown-103" id="refsect1-function.memory-get-usage-unknown-103">
    <h3 class="title">Descrizione</h3>
     <div class="methodsynopsis dc-description">
      <span class="methodname"><strong>memory_get_usage</strong></span>(): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>

    <p class="para rdfs-comment">
     Restituisce la quantità di memoria, in byte, allocata dal PHP
     per lo script.
    </p>
    <p class="para">
     <span class="function"><strong>memory_get_usage()</strong></span> sarà disponibile solo se il PHP
     viene compilato con la configurazione
     <code class="literal">--enable-memory-limit</code> 
    </p>
    <p class="para">
     <div class="example" id="example-1">
      <p><strong>Example #1 Esempio di uso di <span class="function"><strong>memory_get_usage()</strong></span></strong></p>
      <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br /></span><span style="color: #FF8000">// Questo è solo un esempio. I numeri reali<br />// variano da sistema a sistema.<br /><br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">memory_get_usage</span><span style="color: #007700">() . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// 36640<br /><br /></span><span style="color: #0000BB">$a </span><span style="color: #007700">= </span><span style="color: #0000BB">str_repeat</span><span style="color: #007700">(</span><span style="color: #DD0000">"Hello"</span><span style="color: #007700">, </span><span style="color: #0000BB">4242</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">memory_get_usage</span><span style="color: #007700">() . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// 57960<br /><br /></span><span style="color: #007700">unset(</span><span style="color: #0000BB">$a</span><span style="color: #007700">);<br /><br />echo </span><span style="color: #0000BB">memory_get_usage</span><span style="color: #007700">() . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">; </span><span style="color: #FF8000">// 36744<br /><br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
      </div>

     </div>
    </p>
    <p class="para">
     Vedere anche
     <a href="ini.core.php#ini.memory-limit" class="link">memory_limit</a>.
    </p>
   </div>

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