function.base64-encode.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Kodiert Daten MIME base64</title>
</head>
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</div><hr /><div id="function.base64-encode" class="refentry">
<div class="refnamediv">
<h1 class="refname">base64_encode</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">base64_encode</span> — <span class="dc-title">Kodiert Daten MIME base64</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.base64-encode-description">
<h3 class="title">Beschreibung</h3>
<div class="methodsynopsis dc-description">
<span class="type">string</span> <span class="methodname"><strong>base64_encode</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$data</code></span>
)</div>
<p class="para rdfs-comment">
Kodiert den übergebenene Parameter <code class="parameter">data</code> mittels base64.
</p>
<p class="para">
Diese Form des Encodings wurde entworfen, um Binärdaten unbeschädigt mittels
Technologien wie E-Mail übertragen zu können, die nicht korrekt mit
8-Bit-Zeichen umgehen.
</p>
<p class="para">
Base64-kodierte Daten benötigen ungefähr 33% mehr Speicher als die
Originaldaten.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.base64-encode-parameters">
<h3 class="title">Parameter-Liste</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">data</code></dt>
<dd>
<p class="para">
Die zu kodierenden Daten.
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.base64-encode-returnvalues">
<h3 class="title">Rückgabewerte</h3>
<p class="para">
Die kodierten Daten in Stringform.
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.base64-encode-examples">
<h3 class="title">Beispiele</h3>
<p class="para">
<div class="example" id="example-4036">
<p><strong>Beispiel #1 <span class="function"><strong>base64_encode()</strong></span>-Beispiel</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br />$str </span><span style="color: #007700">= </span><span style="color: #DD0000">'Dies ist ein zu kodierender String'</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">base64_encode</span><span style="color: #007700">(</span><span style="color: #0000BB">$str</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>
RGllcyBpc3QgZWluIHp1IGtvZGllcmVuZGVyIFN0cmluZw==
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.base64-encode-seealso">
<h3 class="title">Siehe auch</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="function.base64-decode.html" class="function" rel="rdfs-seeAlso">base64_decode()</a> - DekodiertMIME base64-kodierte Daten</span></li>
<li class="member"><span class="function"><a href="function.chunk-split.html" class="function" rel="rdfs-seeAlso">chunk_split()</a> - Zerlegt einen String in Teile gleicher Länge</span></li>
<li class="member"><span class="function"><a href="function.convert-uuencode.html" class="function" rel="rdfs-seeAlso">convert_uuencode()</a> - UU-kodiert eine Zeichenkette</span></li>
<li class="member"><a href="http://www.faqs.org/rfcs/rfc2045" class="link external">» RFC 2045</a> section 6.8</li>
</ul>
</p>
</div>
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