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>max</H1
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><P
> (PHP 3, PHP 4 , PHP 5)</P
>max -- Find highest value</DIV
><DIV
CLASS="refsect1"
><A
NAME="AEN50599"
></A
><H2
>Description</H2
>mixed <B
CLASS="methodname"
>max</B
> ( number arg1, number arg2 [, number ...])<BR
></BR
>mixed <B
CLASS="methodname"
>max</B
> ( array numbers [, array ...])<BR
></BR
><P
> <B
CLASS="function"
>max()</B
> returns the numerically highest of the
parameter values.
</P
><P
> If the first and only parameter is an array, <B
CLASS="function"
>max()</B
>
returns the highest value in that array. If the first parameter
is an integer, string or float, you need at least two parameters
and <B
CLASS="function"
>max()</B
> returns the biggest of these values.
You can compare an unlimited number of values.
</P
><DIV
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><BLOCKQUOTE
CLASS="note"
><P
><B
>Notã: </B
>
PHP will evaluate a non-numeric <A
HREF="language.types.string.html"
><B
CLASS="type"
>string</B
></A
> as
<VAR
CLASS="literal"
>0</VAR
>, but still return the string if it's seen as the
numerically highest value. If multiple arguments evaluate to
<VAR
CLASS="literal"
>0</VAR
>, <B
CLASS="function"
>max()</B
> will use the first one
it sees (the leftmost value).
</P
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><B
>Exemplu 1. Example uses of <B
CLASS="function"
>max()</B
></B
></P
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><code><font color="#000000">
<font color="#0000BB"><?php<br /></font><font color="#007700">echo </font><font color="#0000BB">max</font><font color="#007700">(</font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#0000BB">3</font><font color="#007700">, </font><font color="#0000BB">5</font><font color="#007700">, </font><font color="#0000BB">6</font><font color="#007700">, </font><font color="#0000BB">7</font><font color="#007700">); </font><font color="#FF8000">// 7<br /></font><font color="#007700">echo </font><font color="#0000BB">max</font><font color="#007700">(array(</font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#0000BB">4</font><font color="#007700">, </font><font color="#0000BB">5</font><font color="#007700">)); </font><font color="#FF8000">// 5<br /><br /></font><font color="#007700">echo </font><font color="#0000BB">max</font><font color="#007700">(</font><font color="#0000BB">0</font><font color="#007700">, </font><font color="#DD0000">'hello'</font><font color="#007700">); </font><font color="#FF8000">// 0<br /></font><font color="#007700">echo </font><font color="#0000BB">max</font><font color="#007700">(</font><font color="#DD0000">'hello'</font><font color="#007700">, </font><font color="#0000BB">0</font><font color="#007700">); </font><font color="#FF8000">// hello<br /></font><font color="#007700">echo </font><font color="#0000BB">max</font><font color="#007700">(-</font><font color="#0000BB">1</font><font color="#007700">, </font><font color="#DD0000">'hello'</font><font color="#007700">); </font><font color="#FF8000">// hello<br /><br />// With multiple arrays, max compares from left to right<br />// so in our example: 2 == 2, but 4 < 5<br /></font><font color="#0000BB">$val </font><font color="#007700">= </font><font color="#0000BB">max</font><font color="#007700">(array(</font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#0000BB">4</font><font color="#007700">, </font><font color="#0000BB">8</font><font color="#007700">), array(</font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#0000BB">5</font><font color="#007700">, </font><font color="#0000BB">7</font><font color="#007700">)); </font><font color="#FF8000">// array(2, 5, 7)<br /><br />// If both an array and non-array are given, the array<br />// is always returned as it's seen as the largest<br /></font><font color="#0000BB">$val </font><font color="#007700">= </font><font color="#0000BB">max</font><font color="#007700">(</font><font color="#DD0000">'string'</font><font color="#007700">, array(</font><font color="#0000BB">2</font><font color="#007700">, </font><font color="#0000BB">5</font><font color="#007700">, </font><font color="#0000BB">7</font><font color="#007700">), </font><font color="#0000BB">42</font><font color="#007700">); </font><font color="#FF8000">// array(2, 5, 7)<br /></font><font color="#0000BB">?></font>
</font>
</code></TD
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>
</P
><P
> See also <A
HREF="function.min.html"
><B
CLASS="function"
>min()</B
></A
> and
<A
HREF="function.count.html"
><B
CLASS="function"
>count()</B
></A
>.
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