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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>preg_grep</H1
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><P
>    (PHP 4, PHP 5)</P
>preg_grep&nbsp;--&nbsp;Return array entries that match the pattern</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN166732"
></A
><H2
>Descrição</H2
>array <B
CLASS="methodname"
>preg_grep</B
> ( string pattern, array input [, int flags] )<BR
></BR
><P
>&#13;   Returns the array consisting of the elements of the 
   <CODE
CLASS="parameter"
>input</CODE
> array that match the given
   <CODE
CLASS="parameter"
>pattern</CODE
>.
  </P
></DIV
><DIV
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><A
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></A
><H2
>Parâmetros</H2
><P
>&#13;   <P
></P
><DIV
CLASS="variablelist"
><DL
><DT
><CODE
CLASS="parameter"
>pattern</CODE
></DT
><DD
><P
>&#13;       The pattern to search for, as a string.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>input</CODE
></DT
><DD
><P
>&#13;       The input array.
      </P
></DD
><DT
><CODE
CLASS="parameter"
>flags</CODE
></DT
><DD
><P
>&#13;       If set to <TT
CLASS="constant"
><B
>PREG_GREP_INVERT</B
></TT
>, this function returns
       the elements of the input array that do <SPAN
CLASS="emphasis"
><I
CLASS="emphasis"
>not</I
></SPAN
> match
       the given <CODE
CLASS="parameter"
>pattern</CODE
>.
      </P
></DD
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>
  </P
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><H2
>Valores de retornado</H2
><P
>&#13;   Returns an array indexed using the keys from the
   <CODE
CLASS="parameter"
>input</CODE
> array. 
  </P
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>Versão</TH
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>Descrição</TH
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><TR
><TD
>4.2.0</TD
><TD
>&#13;        The <CODE
CLASS="parameter"
>flags</CODE
> parameter was added.
       </TD
></TR
><TR
><TD
>4.0.4</TD
><TD
>&#13;        <P
>&#13;         Prior to this version, the returned array was indexed regardless of
         the keys of the <CODE
CLASS="parameter"
>input</CODE
> array.
        </P
>
        <P
>&#13;         If you want to reproduce this old behavior, use 
         <A
HREF="function.array-values.html"
><B
CLASS="function"
>array_values()</B
></A
> on the returned array to reindex
          the values.
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>
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><B
>Exemplo 1. <B
CLASS="function"
>preg_grep()</B
> example</B
></P
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// return all array elements<br />// containing floating point numbers<br /></font><font color="#0000BB">$fl_array </font><font color="#007700">= </font><font color="#0000BB">preg_grep</font><font color="#007700">(</font><font color="#DD0000">"/^(\d+)?\.\d+</font><font color="#007700">$</font><font color="#DD0000">/"</font><font color="#007700">, </font><font color="#0000BB">$array</font><font color="#007700">);<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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