function.array-uintersect.html
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<title>Ermittelt die Schnittmenge von Arrays, vergleicht Daten mittels einer Callbackfunktion</title>
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<div class="refnamediv">
<h1 class="refname">array_uintersect</h1>
<p class="verinfo">(PHP 5)</p><p class="refpurpose"><span class="refname">array_uintersect</span> — <span class="dc-title">
Ermittelt die Schnittmenge von Arrays, vergleicht Daten mittels einer Callbackfunktion
</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.array-uintersect-description">
<h3 class="title">Beschreibung</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>array_uintersect</strong></span>
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$array1</code></span>
, <span class="methodparam"><span class="type">array</span> <code class="parameter">$array2</code></span>
[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$ ...</code></span>
], <span class="methodparam"><span class="type"><a href="language.pseudo-types.html#language.types.callback" class="type callback">callback</a></span> <code class="parameter">$data_compare_func</code></span>
)</div>
<p class="para rdfs-comment">
<span class="function"><strong>array_uintersect()</strong></span> gibt ein Array mit allen
Werten aus <code class="parameter">array1</code> zurück, die ebenfalls
in allen anderen Argumenten enthalten sind.
Die Daten werden durch eine Callbackfunktion verglichen.
</p>
<p class="para">
<div class="example" id="example-4950">
<p><strong>Beispiel #1 <span class="function"><strong>array_uintersect()</strong></span> Beispiel</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$array1 </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"a" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"grün"</span><span style="color: #007700">, </span><span style="color: #DD0000">"b" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"braun"</span><span style="color: #007700">, </span><span style="color: #DD0000">"c" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"blau"</span><span style="color: #007700">, </span><span style="color: #DD0000">"rot"</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">$array2 </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"a" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"GRÜN"</span><span style="color: #007700">, </span><span style="color: #DD0000">"B" </span><span style="color: #007700">=> </span><span style="color: #DD0000">"braun"</span><span style="color: #007700">, </span><span style="color: #DD0000">"gelb"</span><span style="color: #007700">, </span><span style="color: #DD0000">"rot"</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_uintersect</span><span style="color: #007700">(</span><span style="color: #0000BB">$array1</span><span style="color: #007700">, </span><span style="color: #0000BB">$array2</span><span style="color: #007700">, </span><span style="color: #DD0000">"strcasecmp"</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">?></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
(
[a] => grün
[b] => braun
[0] => rot
)
</pre></div>
</div>
</div>
</p>
<p class="para">
Für den Vergleich der Daten wird die angegebene Callbackfunktion
herangezogen. Diese muss einen Integer kleiner als, genau gleich oder
größer als Null zurückgeben, wenn das erste Argument entsprechend als
kleiner, gleich oder größer als das Zweite betrachtet wird.
</p>
<p class="para">
Siehe auch <span class="function"><a href="function.array-intersect.html" class="function">array_intersect()</a></span>,
<span class="function"><a href="function.array-uintersect-assoc.html" class="function">array_uintersect_assoc()</a></span>,
<span class="function"><a href="function.array-intersect-uassoc.html" class="function">array_intersect_uassoc()</a></span> und
<span class="function"><a href="function.array-uintersect-uassoc.html" class="function">array_uintersect_uassoc()</a></span>.
</p>
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