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<td valign=middle nowrap><font color=e06060 size=+2><b>变量处理函数库</b></font></td>
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<div align=right>本函数库共有 17 个函数</div><p><table border=0 width=100%><tr><td align=right valign=top><a href="function.php-gettype.htm" alt="function.php?gettype">gettype</a>:</td><td valign=top>取得变量的类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-intval.htm" alt="function.php?intval">intval</a>:</td><td valign=top>变量转成整数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-doubleval.htm" alt="function.php?doubleval">doubleval</a>:</td><td valign=top>变量转成倍浮点数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-empty.htm" alt="function.php?empty">empty</a>:</td><td valign=top>判断变量是否已配置。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_array.htm" alt="function.php?is_array">is_array</a>:</td><td valign=top>判断变量类型是否为数组类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_double.htm" alt="function.php?is_double">is_double</a>:</td><td valign=top>判断变量类型是否为倍浮点数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_float.htm" alt="function.php?is_float">is_float</a>:</td><td valign=top>判断变量类型是否为浮点数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_int.htm" alt="function.php?is_int">is_int</a>:</td><td valign=top>判断变量类型是否为整数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_integer.htm" alt="function.php?is_integer">is_integer</a>:</td><td valign=top>判断变量类型是否为长整数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_long.htm" alt="function.php?is_long">is_long</a>:</td><td valign=top>判断变量类型是否为长整数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_object.htm" alt="function.php?is_object">is_object</a>:</td><td valign=top>判断变量类型是否为类类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_real.htm" alt="function.php?is_real">is_real</a>:</td><td valign=top>判断变量类型是否为实数类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-is_string.htm" alt="function.php?is_string">is_string</a>:</td><td valign=top>判断变量类型是否为字符串类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-isset.htm" alt="function.php?isset">isset</a>:</td><td valign=top>判断变量是否已配置。</td></tr>
<tr><td align=right valign=top><a href="function.php-settype.htm" alt="function.php?settype">settype</a>:</td><td valign=top>配置变量类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-strval.htm" alt="function.php?strval">strval</a>:</td><td valign=top>将变量转成字符串类型。</td></tr>
<tr><td align=right valign=top><a href="function.php-unset.htm" alt="function.php?unset">unset</a>:</td><td valign=top>删除变量。</td></tr>
</table><p><hr size=1><br>如果你对此手册有任何问题,请到下面网址提问: <a href="www.web745.com">WEB开发知识库</a> (<a href="http://www.web745.com">www.web745.com</a>)<p>
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