Source of: /manual/en/function.mb-strwidth.php
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<div id="function.mb-strwidth" class="refentry">
<div class="refnamediv">
<h1 class="refname">mb_strwidth</h1>
<p class="verinfo">(PHP 4 >= 4.0.6, PHP 5)</p><p class="refpurpose"><span class="refname">mb_strwidth</span> — <span class="dc-title">Return width of string</span></p>
</div>
<a name="function.mb-strwidth.description"></a><div class="refsect1 description">
<h3 class="title">Description</h3>
<div class="methodsynopsis dc-description">
<span class="type">int</span> <span class="methodname"><b>mb_strwidth</b></span>
( <span class="methodparam"><span class="type">string</span> <tt class="parameter">$str</tt></span>
[, <span class="methodparam"><span class="type">string</span> <tt class="parameter">$encoding</tt></span>
] )</div>
<p class="para rdfs-comment">
Returns the width of <a href="language.types.string.php" class="type string">string</a> <i><tt class="parameter">str</tt></i>
.
</p>
<p class="para">
Multi-byte characters are usually twice the width of single byte characters.
</p>
<p class="para">
</p><table class="doctable table">
<caption><b>Characters width</b></caption>
<thead valign="middle">
<tr valign="middle">
<th>Chars</th>
<th>Width</th>
</tr>
</thead>
<tbody valign="middle" class="tbody">
<tr valign="middle">
<td align="left">U+0000 - U+0019</td>
<td align="left">0</td>
</tr>
<tr valign="middle">
<td align="left">U+0020 - U+1FFF</td>
<td align="left">1</td>
</tr>
<tr valign="middle">
<td align="left">U+2000 - U+FF60</td>
<td align="left">2</td>
</tr>
<tr valign="middle">
<td align="left">U+FF61 - U+FF9F</td>
<td align="left">1</td>
</tr>
<tr valign="middle">
<td align="left">U+FFA0 - </td>
<td align="left">2</td>
</tr>
</tbody>
</table>
<p>
</p>
</div>
<a name="function.mb-strwidth.parameters"></a><div class="refsect1 parameters">
<h3 class="title">Parameters</h3>
<p class="para">
</p><dl>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">str</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">
The <a href="language.types.string.php" class="type string">string</a> being decoded.
</p>
</dd>
<dt class="varlistentry">
<span class="term"><i><tt class="parameter">encoding</tt></i>
</span>
</dt><dd class="listitem">
<p class="para">The <i><tt class="parameter">encoding</tt></i>
parameter is the character encoding. If it is omitted, the internal character
encoding value will be used.</p>
</dd>
</dl>
<p>
</p>
</div>
<a name="function.mb-strwidth.returnvalues"></a><div class="refsect1 returnvalues">
<h3 class="title">Return Values</h3>
<p class="para">
The width of <a href="language.types.string.php" class="type string">string</a> <i><tt class="parameter">str</tt></i>
.
</p>
</div>
<a name="function.mb-strwidth.seealso"></a><div class="refsect1 seealso">
<h3 class="title">See Also</h3>
<p class="para">
</p><ul class="simplelist">
<li class="member"><a href="function.mb-strimwidth.php" class="function" rel="rdfs-seeAlso">mb_strimwidth()</a> - Get truncated string with specified width</li>
<li class="member"><a href="function.mb-internal-encoding.php" class="function" rel="rdfs-seeAlso">mb_internal_encoding()</a> - Set/Get internal character encoding</li>
</ul><p>
</p>
</div>
</div><?php manual_footer(); ?>
