function.array-change-key-case.html
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<title>Ändert alle Schlüssel in einem Array</title>
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</div><hr /><div id="function.array-change-key-case" class="refentry">
<div class="refnamediv">
<h1 class="refname">array_change_key_case</h1>
<p class="verinfo">(PHP 4 >= 4.2.0, PHP 5)</p><p class="refpurpose"><span class="refname">array_change_key_case</span> — <span class="dc-title">Ändert alle Schlüssel in einem Array</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.array-change-key-case-description">
<h3 class="title">Beschreibung</h3>
<div class="methodsynopsis dc-description">
<span class="type">array</span> <span class="methodname"><strong>array_change_key_case</strong></span>
( <span class="methodparam"><span class="type">array</span> <code class="parameter">$input</code></span>
[, <span class="methodparam"><span class="type">int</span> <code class="parameter">$case</code><span class="initializer"> = CASE_LOWER</span></span>
] )</div>
<p class="para rdfs-comment">
Gibt ein Array zurück, in dem alle Schlüssel aus
<code class="parameter">input</code> in Klein- oder Großbuchstaben
umgewandelt wurden. Numerische Indizes werden nicht geändert.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.array-change-key-case-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">case</code></dt>
<dd>
<p class="para">
Entweder <strong><code>CASE_UPPER</code></strong> oder
<strong><code>CASE_LOWER</code></strong> (Standard)
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.array-change-key-case-returnvalues">
<h3 class="title">Rückgabewerte</h3>
<p class="para">
Gibt ein Array zurück, dessen Schlüssel in Klein- oder
Großbuchstaben umgewandelt wurden, oder <strong><code>FALSE</code></strong>, wenn
<code class="parameter">input</code> kein Array ist.
</p>
</div>
<div class="refsect1 errors" id="refsect1-function.array-change-key-case-errors">
<h3 class="title">Fehler/Exceptions</h3>
<p class="para">
Wirft <strong><code>E_WARNING</code></strong>, wenn
<code class="parameter">input</code> kein Array ist.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.array-change-key-case-examples">
<h3 class="title">Beispiele</h3>
<p class="para">
<div class="example" id="function.array-change-key-case.example-1">
<p><strong>Beispiel #1 <span class="function"><strong>array_change_key_case()</strong></span>-Beispiel</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$input_array </span><span style="color: #007700">= array(</span><span style="color: #DD0000">"FirSt" </span><span style="color: #007700">=> </span><span style="color: #0000BB">1</span><span style="color: #007700">, </span><span style="color: #DD0000">"SecOnd" </span><span style="color: #007700">=> </span><span style="color: #0000BB">4</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">print_r</span><span style="color: #007700">(</span><span style="color: #0000BB">array_change_key_case</span><span style="color: #007700">(</span><span style="color: #0000BB">$input_array</span><span style="color: #007700">, </span><span style="color: #0000BB">CASE_UPPER</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
(
[FIRST] => 1
[SECOND] => 4
)
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 notes" id="refsect1-function.array-change-key-case-notes">
<h3 class="title">Anmerkungen</h3>
<blockquote class="note"><p><strong class="note">Hinweis</strong>:
<p class="para">
Hat ein Array Indizes, die nach einem Durchlauf durch diese
Funktion gleich sind (z.B. <em>"keY"</em> und
<em>"kEY"</em>), überschreibt der
spätere Wert im Array andere Indizes.
</p>
</p></blockquote>
</div>
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