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

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>ctype_xdigit</H1
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><P
>    (PHP 4 &#62;= 4.0.4)</P
>ctype_xdigit&nbsp;--&nbsp;
     Check for character(s) representing a hexadecimal digit
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>Description</H2
>bool <B
CLASS="methodname"
>ctype_xdigit</B
> ( string text)<BR
></BR
><P
>&#13;     Returns <TT
CLASS="constant"
><B
>TRUE</B
></TT
> if every character in <TT
CLASS="parameter"
><I
>text</I
></TT
> is 
     a hexadecimal 'digit', that is a decimal digit or a character from 
     <TT
CLASS="literal"
>[A-Fa-f]</TT
> , <TT
CLASS="constant"
><B
>FALSE</B
></TT
> otherwise.
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>&#13;     See also <A
HREF="function.ctype-digit.html"
><B
CLASS="function"
>ctype_digit()</B
></A
>.
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