Sophie: php-manual-pt_BR-5.2.4-1mdv2008.1 noarch

php-manual-pt_BR-5.2.4-1mdv2008.1.noarch.rpm

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>gettype</H1
><DIV
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><A
NAME="AEN229652"
></A
><P
>    (PHP 3, PHP 4, PHP 5)</P
>gettype&nbsp;--&nbsp;Retorna o tipo da variável</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN229655"
></A
><H2
>Descrição</H2
>string <B
CLASS="methodname"
>gettype</B
> ( mixed var )<BR
></BR
><P
>&#13;     Retorna o tipo da variável no PHP
     <CODE
CLASS="parameter"
>var</CODE
>.
    </P
><DIV
CLASS="warning"
><P
></P
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><TD
ALIGN="CENTER"
><B
>Atenção</B
></TD
></TR
><TR
><TD
ALIGN="LEFT"
><P
>&#13;      Nunca use <B
CLASS="function"
>gettype()</B
> para testar um certo tipo,
      a string devolvida poderá sofrer alterações em uma versão futura.
      Essa função é mais lenta que outras formas de comparação.
     </P
><P
>&#13;      Ao invés use as funções<TT
CLASS="literal"
>is_*</TT
>.
     </P
></TD
></TR
></TABLE
></DIV
><P
>&#13;     Os possíveis valores retornados pela função são:
     <P
></P
><UL
><LI
><P
>"<A
HREF="language.types.boolean.html"
><B
CLASS="type"
>boolean</B
></A
>" (a partir do PHP 4)</P
></LI
><LI
><P
>"<A
HREF="language.types.integer.html"
><B
CLASS="type"
>integer</B
></A
>"</P
></LI
><LI
><P
>"<A
HREF="language.types.float.html"
><B
CLASS="type"
>double</B
></A
>" (por razões históricas "double" é
       é retornado no caso de <A
HREF="language.types.float.html"
><B
CLASS="type"
>float</B
></A
>, e não simplesmente
       "float")</P
></LI
><LI
><P
>"<A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
>"</P
></LI
><LI
><P
>"<A
HREF="language.types.array.html"
><B
CLASS="type"
>array</B
></A
>"</P
></LI
><LI
><P
>"<A
HREF="language.types.object.html"
><B
CLASS="type"
>object</B
></A
>"</P
></LI
><LI
><P
>"<A
HREF="language.types.resource.html"
><B
CLASS="type"
>resource</B
></A
>" (a partir do PHP 4)</P
></LI
><LI
><P
>"<A
HREF="language.types.null.html"
><B
CLASS="type"
>NULL</B
></A
>" (a partir do PHP 4)</P
></LI
><LI
><P
>"user function" (PHP 3 somente, depreciado)</P
></LI
><LI
><P
>"unknown type"</P
></LI
></UL
>
    </P
><P
>&#13;     Para o PHP 4 é aconselhável usar <A
HREF="function.function-exists.html"
><B
CLASS="function"
>function_exists()</B
></A
> e
     <A
HREF="function.method-exists.html"
><B
CLASS="function"
>method_exists()</B
></A
> ao invés da função
     <B
CLASS="function"
>gettype()</B
>.
    </P
><P
>&#13;     Veja mais em
     <A
HREF="function.settype.html"
><B
CLASS="function"
>settype()</B
></A
>,
     <A
HREF="function.is-array.html"
><B
CLASS="function"
>is_array()</B
></A
>,
     <A
HREF="function.is-bool.html"
><B
CLASS="function"
>is_bool()</B
></A
>,
     <A
HREF="function.is-float.html"
><B
CLASS="function"
>is_float()</B
></A
>,
     <A
HREF="function.is-integer.html"
><B
CLASS="function"
>is_integer()</B
></A
>,
     <A
HREF="function.is-null.html"
><B
CLASS="function"
>is_null()</B
></A
>,
     <A
HREF="function.is-numeric.html"
><B
CLASS="function"
>is_numeric()</B
></A
>,
     <A
HREF="function.is-object.html"
><B
CLASS="function"
>is_object()</B
></A
>,
     <A
HREF="function.is-resource.html"
><B
CLASS="function"
>is_resource()</B
></A
>,
     <A
HREF="function.is-scalar.html"
><B
CLASS="function"
>is_scalar()</B
></A
> e
     <A
HREF="function.is-string.html"
><B
CLASS="function"
>is_string()</B
></A
>.
    </P
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