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>round</H1
><DIV
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><P
> (PHP 3, PHP 4 , PHP 5)</P
>round -- Rounds a float</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN50935"
></A
><H2
>Description</H2
>float <B
CLASS="methodname"
>round</B
> ( float val [, int precision])<BR
></BR
><P
> Returns the rounded value of <VAR
CLASS="parameter"
>val</VAR
> to
specified <VAR
CLASS="parameter"
>precision</VAR
>
(number of digits after the decimal point).
<VAR
CLASS="parameter"
>precision</VAR
> can also be negative or zero (default).
</P
><P
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><B
>Exemplu 1. <B
CLASS="function"
>round()</B
> examples</B
></P
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><code><font color="#000000">
<font color="#0000BB"><?php<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">3.4</font><font color="#007700">); </font><font color="#FF8000">// 3<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">3.5</font><font color="#007700">); </font><font color="#FF8000">// 4<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">3.6</font><font color="#007700">); </font><font color="#FF8000">// 4<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">3.6</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">); </font><font color="#FF8000">// 4<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">1.95583</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">); </font><font color="#FF8000">// 1.96<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">1241757</font><font color="#007700">, -</font><font color="#0000BB">3</font><font color="#007700">); </font><font color="#FF8000">// 1242000<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">5.045</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">); </font><font color="#FF8000">// 5.05<br /></font><font color="#007700">echo </font><font color="#0000BB">round</font><font color="#007700">(</font><font color="#0000BB">5.055</font><font color="#007700">, </font><font color="#0000BB">2</font><font color="#007700">); </font><font color="#FF8000">// 5.06<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
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>
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><P
> <DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Notã: </B
>
PHP doesn't handle strings like <VAR
CLASS="literal"
>"12,300.2"</VAR
> correctly
by default. See <A
HREF="language.types.string.html#language.types.string.conversion"
>converting from strings</A
>.
</P
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>
</P
><P
> <DIV
CLASS="note"
><BLOCKQUOTE
CLASS="note"
><P
><B
>Notã: </B
>
The <VAR
CLASS="parameter"
>precision</VAR
> parameter is only
available in PHP 4.
</P
></BLOCKQUOTE
></DIV
>
</P
><P
> See also:
<A
HREF="function.ceil.html"
><B
CLASS="function"
>ceil()</B
></A
>,
<A
HREF="function.floor.html"
><B
CLASS="function"
>floor()</B
></A
>, and
<A
HREF="function.number-format.html"
><B
CLASS="function"
>number_format()</B
></A
>.
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