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php-manual-en-4.3.0-2mdk.noarch.rpm

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>is_float</H1
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><P
>    (PHP 3, PHP 4 )</P
>is_float&nbsp;--&nbsp;Finds whether a variable is a float</DIV
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><H2
>Description</H2
>bool <B
CLASS="methodname"
>is_float</B
> ( mixed var)<BR
></BR
><P
>&#13;     Returns <TT
CLASS="constant"
><B
>TRUE</B
></TT
> if <TT
CLASS="parameter"
><I
>var</I
></TT
> is a <A
HREF="language.types.float.html"
><B
CLASS="type"
>float</B
></A
>,
     <TT
CLASS="constant"
><B
>FALSE</B
></TT
> otherwise.
    </P
><DIV
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><B
>Note: </B
>
      To test if a variable is a number or a numeric string (such as form
      input, which is always a string), you must use
      <A
HREF="function.is-numeric.html"
><B
CLASS="function"
>is_numeric()</B
></A
>.
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>&#13;     See also 
     <A
HREF="function.is-bool.html"
><B
CLASS="function"
>is_bool()</B
></A
>,
     <A
HREF="function.is-int.html"
><B
CLASS="function"
>is_int()</B
></A
>,
     <A
HREF="function.is-integer.html"
><B
CLASS="function"
>is_integer()</B
></A
>,
     <A
HREF="function.is-numeric.html"
><B
CLASS="function"
>is_numeric()</B
></A
>,
     <A
HREF="function.is-string.html"
><B
CLASS="function"
>is_string()</B
></A
>,
     <A
HREF="function.is-array.html"
><B
CLASS="function"
>is_array()</B
></A
>, and
     <A
HREF="function.is-object.html"
><B
CLASS="function"
>is_object()</B
></A
>,
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