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<div id="ds-map.ksorted" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">Ds\Map::ksorted</h1>
  <p class="verinfo">(No version information available, might only be in Git)</p><p class="refpurpose"><span class="refname">Ds\Map::ksorted</span> &mdash; <span class="dc-title">Returns a copy, sorted by key</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-ds-map.ksorted-description">
  <h3 class="title">Descrizione</h3>
  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>Ds\Map::ksorted</strong></span>(<span class="methodparam"><span class="type"><a href="language.types.callable.php" class="type callable">callable</a></span> <code class="parameter">$comparator</code><span class="initializer"> = ?</span></span>): <span class="type"><a href="class.ds-map.php" class="type Ds\Map">Ds\Map</a></span></div>

  <p class="para rdfs-comment">
    Returns a copy sorted by key, using an optional <code class="parameter">comparator</code> function.
  </p>

 </div>


 <div class="refsect1 parameters" id="refsect1-ds-map.ksorted-parameters">
  <h3 class="title">Elenco dei parametri</h3>
  <dl>
   
     <dt><code class="parameter">comparator</code></dt>
     <dd>
      <p class="para">
 La funzione di confronto deve restituire un intero minore, uguale o maggiore di zero se il primo argomento è considerato essere minore, uguale o maggiore del secondo.
</p>
<div class="methodsynopsis dc-description"><span class="methodname"><span class="replaceable">callback</span></span>(<span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$a</code></span>, <span class="methodparam"><span class="type"><a href="language.types.mixed.php" class="type mixed">mixed</a></span> <code class="parameter">$b</code></span>): <span class="type"><a href="language.types.integer.php" class="type int">int</a></span></div>

<div class="caution"><strong class="caution">Attenzione</strong>
 <p class="para">
  Returning <em>non-integer</em> values from the comparison
  function, such as <span class="type"><a href="language.types.float.php" class="type float">float</a></span>, will result in an internal cast to
  <span class="type"><a href="language.types.integer.php" class="type int">int</a></span> of the callback&#039;s return value. So values such as
  <code class="literal">0.99</code> and <code class="literal">0.1</code> will both be cast to an
  integer value of <code class="literal">0</code>, which will compare such values as equal.
 </p>
</div>
     </dd>
    
  </dl>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-ds-map.ksorted-returnvalues">
  <h3 class="title">Valori restituiti</h3>
  <p class="para">
    Returns a copy of the map, sorted by key.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-ds-map.ksorted-examples">
  <h3 class="title">Esempi</h3>
  <div class="example" id="example-1">
   <p><strong>Example #1 <span class="function"><strong>Ds\Map::ksorted()</strong></span> example</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$map </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Ds\Map</span><span style="color: #007700">([</span><span style="color: #DD0000">"b" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">2</span><span style="color: #007700">, </span><span style="color: #DD0000">"c" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">3</span><span style="color: #007700">, </span><span style="color: #DD0000">"a" </span><span style="color: #007700">=&gt; </span><span style="color: #0000BB">1</span><span style="color: #007700">]);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">ksorted</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Il precedente esempio visualizzerà
qualcosa simile a:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Ds\Map Object
Ds\Map Object
(
    [0] =&gt; Ds\Pair Object
        (
            [key] =&gt; a
            [value] =&gt; 1
        )

    [1] =&gt; Ds\Pair Object
        (
            [key] =&gt; b
            [value] =&gt; 2
        )

    [2] =&gt; Ds\Pair Object
        (
            [key] =&gt; c
            [value] =&gt; 3
        )

)</pre>
</div>
   </div>
  </div>
  <div class="example" id="example-2">
   <p><strong>Example #2 <span class="function"><strong>Ds\Map::ksorted()</strong></span> example using a comparator</strong></p>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000"><span style="color: #0000BB">&lt;?php<br />$map </span><span style="color: #007700">= new </span><span style="color: #0000BB">\Ds\Map</span><span style="color: #007700">([</span><span style="color: #0000BB">1 </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"x"</span><span style="color: #007700">, </span><span style="color: #0000BB">2 </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"y"</span><span style="color: #007700">, </span><span style="color: #0000BB">0 </span><span style="color: #007700">=&gt; </span><span style="color: #DD0000">"z"</span><span style="color: #007700">]);<br /><br /></span><span style="color: #FF8000">// Reverse<br /></span><span style="color: #0000BB">$sorted </span><span style="color: #007700">= </span><span style="color: #0000BB">$map</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">ksorted</span><span style="color: #007700">(function(</span><span style="color: #0000BB">$a</span><span style="color: #007700">, </span><span style="color: #0000BB">$b</span><span style="color: #007700">) {<br />    return </span><span style="color: #0000BB">$b </span><span style="color: #007700">&lt;=&gt; </span><span style="color: #0000BB">$a</span><span style="color: #007700">;<br />});<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">$sorted</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?&gt;</span></span></code></div>
   </div>

   <div class="example-contents"><p>Il precedente esempio visualizzerà
qualcosa simile a:</p></div>
   <div class="example-contents screen">
<div class="examplescode"><pre class="examplescode">Ds\Map Object
Ds\Map Object
(
    [0] =&gt; Ds\Pair Object
        (
            [key] =&gt; 2
            [value] =&gt; y
        )

    [1] =&gt; Ds\Pair Object
        (
            [key] =&gt; 1
            [value] =&gt; x
        )

    [2] =&gt; Ds\Pair Object
        (
            [key] =&gt; 0
            [value] =&gt; z
        )

)</pre>
</div>
   </div>
  </div>

 </div>



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