function.bindec.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>Umwandlung von binär zu dezimal</title>
</head>
<body><div class="manualnavbar" style="text-align: center;">
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</div><hr /><div id="function.bindec" class="refentry">
<div class="refnamediv">
<h1 class="refname">bindec</h1>
<p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">bindec</span> — <span class="dc-title">Umwandlung von binär zu dezimal</span></p>
</div>
<div class="refsect1 description" id="refsect1-function.bindec-description">
<h3 class="title">Beschreibung</h3>
<div class="methodsynopsis dc-description">
<span class="type"><a href="language.pseudo-types.html#language.types.number" class="type number">number</a></span> <span class="methodname"><strong>bindec</strong></span>
( <span class="methodparam"><span class="type">string</span> <code class="parameter">$binary_string</code></span>
)</div>
<p class="para rdfs-comment">
Gibt die dezimale Entsprechung der binären Zahl aus dem
<code class="parameter">binary_string</code>-Parameter zurück-
</p>
<p class="para">
<span class="function"><strong>bindec()</strong></span> konvertiert eine binäre Zahl in einen
<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span> oder, falls aus Größengründen benötigt, in
einen <span class="type"><a href="language.types.float.html" class="type float">float</a></span>.
</p>
</div>
<div class="refsect1 parameters" id="refsect1-function.bindec-parameters">
<h3 class="title">Parameter-Liste</h3>
<p class="para">
<dl>
<dt>
<code class="parameter">binary_string</code></dt>
<dd>
<p class="para">
Der zu konvertierende Binärstring
</p>
</dd>
</dl>
</p>
</div>
<div class="refsect1 returnvalues" id="refsect1-function.bindec-returnvalues">
<h3 class="title">Rückgabewerte</h3>
<p class="para">
Der Dezimalwert von <code class="parameter">binary_string</code>
</p>
</div>
<div class="refsect1 changelog" id="refsect1-function.bindec-changelog">
<h3 class="title">Changelog</h3>
<p class="para">
<table class="doctable informaltable">
<thead>
<tr>
<th>Version</th>
<th>Beschreibung</th>
</tr>
</thead>
<tbody class="tbody">
<tr>
<td>Seit 4.1.0</td>
<td>
Die Funktion kann nun Werte, die zu groß für ein
<span class="type"><a href="language.types.integer.html" class="type integer">integer</a></span> der jeweiligen Plattform ist,
stattdessen als <span class="type"><a href="language.types.float.html" class="type float">float</a></span> zurückgeben.
</td>
</tr>
</tbody>
</table>
</p>
</div>
<div class="refsect1 examples" id="refsect1-function.bindec-examples">
<h3 class="title">Beispiele</h3>
<p class="para">
<div class="example" id="example-3387">
<p><strong>Beispiel #1 <span class="function"><strong>bindec()</strong></span>-Beispiel</strong></p>
<div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB"><?php<br /></span><span style="color: #007700">echo </span><span style="color: #0000BB">bindec</span><span style="color: #007700">(</span><span style="color: #DD0000">'110011'</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br />echo </span><span style="color: #0000BB">bindec</span><span style="color: #007700">(</span><span style="color: #DD0000">'000110011'</span><span style="color: #007700">) . </span><span style="color: #DD0000">"\n"</span><span style="color: #007700">;<br /><br />echo </span><span style="color: #0000BB">bindec</span><span style="color: #007700">(</span><span style="color: #DD0000">'111'</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>
51
51
7
</pre></div>
</div>
</div>
</p>
</div>
<div class="refsect1 seealso" id="refsect1-function.bindec-seealso">
<h3 class="title">Siehe auch</h3>
<p class="para">
<ul class="simplelist">
<li class="member"><span class="function"><a href="function.decbin.html" class="function" rel="rdfs-seeAlso">decbin()</a> - Dezimal zu Binär Konvertierung</span></li>
<li class="member"><span class="function"><a href="function.octdec.html" class="function" rel="rdfs-seeAlso">octdec()</a> - Oktal zu Dezimal Umwandlung</span></li>
<li class="member"><span class="function"><a href="function.hexdec.html" class="function" rel="rdfs-seeAlso">hexdec()</a> - Hexadezimal zu Dezimal Umwandlung</span></li>
<li class="member"><span class="function"><a href="function.base-convert.html" class="function" rel="rdfs-seeAlso">base_convert()</a> - Konvertiert einen numerischen Wert zwischen verschiedenen Zahlensystemen</span></li>
</ul>
</p>
</div>
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