function.array-chunk.html 6.18 KB
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  <title>Splittet ein Array in Teile auf</title>

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</div><hr /><div id="function.array-chunk" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">array_chunk</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">array_chunk</span> &mdash; <span class="dc-title">Splittet ein Array in Teile auf</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.array-chunk-description">
  <h3 class="title">Beschreibung</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">array</span> <span class="methodname"><strong>array_chunk</strong></span>
    ( <span class="methodparam"><span class="type">array</span> <code class="parameter">$input</code></span>
   , <span class="methodparam"><span class="type">int</span> <code class="parameter">$size</code></span>
   [, <span class="methodparam"><span class="type">bool</span> <code class="parameter">$preserve_keys</code><span class="initializer"> = false</span></span>
  ] )</div>

  <p class="para rdfs-comment">
   <span class="function"><strong>array_chunk()</strong></span> teilt das Array in Stücke
   mit <code class="parameter">size</code> Werten auf. Das letzte Stück kann
   weniger als <code class="parameter">size</code> Werte enthalten.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-function.array-chunk-parameters">
  <h3 class="title">Parameter-Liste</h3>
  <p class="para">
   <dl>


    
     <dt>
<code class="parameter">input</code></dt>

     <dd>

      <p class="para">
       Das Eingabe-Array
      </p>
     </dd>

    

    
     <dt>
<code class="parameter">size</code></dt>

     <dd>

      <p class="para">
       Die Größe jedes Arrays
      </p>
     </dd>

    

    
     <dt>
<code class="parameter">preserve_keys</code></dt>

     <dd>

      <p class="para">
       Falls auf <strong><code>TRUE</code></strong> gesetzt, bleiben die Schlüssel erhalten.
       Der Standard ist <strong><code>FALSE</code></strong>, wodurch jedes Stück neue numerische
       Indizes erhält.
      </p>
     </dd>

    

   </dl>

  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.array-chunk-returnvalues">
  <h3 class="title">Rückgabewerte</h3>
  <p class="para">
   Gibt ein mehrdimensionales Array zurück, das beginnend mit Null
   jeweils <code class="parameter">size</code> Elemente enthält.
  </p>
 </div>


 <div class="refsect1 errors" id="refsect1-function.array-chunk-errors">
  <h3 class="title">Fehler/Exceptions</h3>
  <p class="para">
   Wenn <code class="parameter">size</code> kleiner als 1 ist, wird
   <strong><code>E_WARNING</code></strong> geworfen und <strong><code>NULL</code></strong> zurückgegeben.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.array-chunk-examples">
  <h3 class="title">Beispiele</h3>
  <p class="para">
   <div class="example" id="example-4891">
    <p><strong>Beispiel #1 <span class="function"><strong>array_chunk()</strong></span>-Beispiel</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$input_array&nbsp;</span><span style="color: #007700">=&nbsp;array(</span><span style="color: #DD0000">'a'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'b'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'c'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'d'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'e'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_chunk</span><span style="color: #007700">(</span><span style="color: #0000BB">$input_array</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_chunk</span><span style="color: #007700">(</span><span style="color: #0000BB">$input_array</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">2</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">true</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

    <div class="example-contents"><p>Das oben gezeigte Beispiel erzeugt folgende
Ausgabe:</p></div>
    <div class="example-contents screen">
<div class="cdata"><pre>
Array
(
    [0] =&gt; Array
        (
            [0] =&gt; a
            [1] =&gt; b
        )

    [1] =&gt; Array
        (
            [0] =&gt; c
            [1] =&gt; d
        )

    [2] =&gt; Array
        (
            [0] =&gt; e
        )

)
Array
(
    [0] =&gt; Array
        (
            [0] =&gt; a
            [1] =&gt; b
        )

    [1] =&gt; Array
        (
            [2] =&gt; c
            [3] =&gt; d
        )

    [2] =&gt; Array
        (
            [4] =&gt; e
        )

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

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