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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>sscanf</H1
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><P
>    (PHP 4 &#62;= 4.0.1, PHP 5)</P
>sscanf&nbsp;--&nbsp;
     Interpreta a entrada de uma string de acordo com um formato
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><H2
>Descrição</H2
>mixed <B
CLASS="methodname"
>sscanf</B
> ( string str, string formato [, string var1] )<BR
></BR
><P
>&#13;     A função <B
CLASS="function"
>sscanf()</B
> é análoga a
     <A
HREF="function.printf.html"
><B
CLASS="function"
>printf()</B
></A
>. <B
CLASS="function"
>sscanf()</B
> lê da
     string <CODE
CLASS="parameter"
>str</CODE
> e interpreta ela de acordo com
     o <CODE
CLASS="parameter"
>formato</CODE
> especificado. Se apenas dois parâmetros
     forem passados para esta função, os valores interpretados serão retornados
     como array.
    </P
><P
>&#13;     Qualquer espaço em branco na string de formato será comparada com qualquer espaço
      em branco na string de entrada. Isto significa que até mesmo um tab \t na string 
      de formato pode ser comparada com um caractere de espaço simples na string de entrada.
    </P
><P
>&#13;     <TABLE
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><DIV
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><P
><B
>Exemplo 1. <B
CLASS="function"
>sscanf()</B
> Exemplo</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// Pegando o número serial<br /></font><font color="#0000BB">$serial </font><font color="#007700">= </font><font color="#0000BB">sscanf</font><font color="#007700">(</font><font color="#DD0000">"SN/2350001"</font><font color="#007700">,</font><font color="#DD0000">"SN/%d"</font><font color="#007700">);<br /></font><font color="#FF8000">// e a data de criação<br /></font><font color="#0000BB">$mandate </font><font color="#007700">= </font><font color="#DD0000">"January 01 2000"</font><font color="#007700">;<br />list(</font><font color="#0000BB">$month</font><font color="#007700">, </font><font color="#0000BB">$day</font><font color="#007700">, </font><font color="#0000BB">$year</font><font color="#007700">) = </font><font color="#0000BB">sscanf</font><font color="#007700">(</font><font color="#0000BB">$mandate</font><font color="#007700">,</font><font color="#DD0000">"%s %d %d"</font><font color="#007700">);<br />echo </font><font color="#DD0000">"O Item $serial foi criado em: $year-"</font><font color="#007700">.</font><font color="#0000BB">substr</font><font color="#007700">(</font><font color="#0000BB">$month</font><font color="#007700">,</font><font color="#0000BB">0</font><font color="#007700">,</font><font color="#0000BB">3</font><font color="#007700">).</font><font color="#DD0000">"-$day</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
     Se parâetros opcionais são passados, a função retornará o número de valores
     assumidos. Os parâmetros opcionais devem ser passados por referência.
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><B
>Exemplo 2. <B
CLASS="function"
>sscanf()</B
> - usando parâmetros opcionais</B
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><code><font color="#000000">
<font color="#0000BB">&lt;?php<br /></font><font color="#FF8000">// pega informação do autor e gera uma entrada de DocBook<br /></font><font color="#0000BB">$auth </font><font color="#007700">= </font><font color="#DD0000">"24\tLewis Carroll"</font><font color="#007700">;<br /></font><font color="#0000BB">$n </font><font color="#007700">= </font><font color="#0000BB">sscanf</font><font color="#007700">(</font><font color="#0000BB">$auth</font><font color="#007700">,</font><font color="#DD0000">"%d\t%s %s"</font><font color="#007700">, &amp;</font><font color="#0000BB">$id</font><font color="#007700">, &amp;</font><font color="#0000BB">$first</font><font color="#007700">, &amp;</font><font color="#0000BB">$last</font><font color="#007700">);<br />echo </font><font color="#DD0000">"&lt;author id='$id'&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;firstname&gt;$first&lt;/firstname&gt;<br />&nbsp;&nbsp;&nbsp;&nbsp;&lt;surname&gt;$last&lt;/surname&gt;<br />&lt;/author&gt;</font><font color="#007700">\n</font><font color="#DD0000">"</font><font color="#007700">;<br /></font><font color="#0000BB">?&gt;</font>
</font>
</code></TD
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>
    </P
><P
>&#13;     Veja também <A
HREF="function.fscanf.html"
><B
CLASS="function"
>fscanf()</B
></A
>, <A
HREF="function.printf.html"
><B
CLASS="function"
>printf()</B
></A
>,
     e <A
HREF="function.sprintf.html"
><B
CLASS="function"
>sprintf()</B
></A
>. 
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