echo max value got by sql array
<p>I got following array</p>

<pre><code>Array (
    [G_ID] =&gt; 11
    [Username] =&gt; student
    [Password] =&gt; admin
    [gender] =&gt; m
    [email] =&gt; dsfsdas
    [phone] =&gt; hgjhg
    [address] =&gt; surat
    [birthdate] =&gt; 
    [interest] =&gt; 
    [goal] =&gt; 
    [User_Type] =&gt; student
    [Conform] =&gt; 1
    [l_name] =&gt; student
    [f_name] =&gt; student
    [clg_name] =&gt; scatt
    [branch] =&gt; cseq
    [avatar] =&gt; 11avatarJaguar_Logo.jpg
    [Student_Master_ID] =&gt; 11
    [Staff_Master_ID_Staff_Master] =&gt; 
    [Branch] =&gt; cseq
    [Semester] =&gt; 8
    [PEN] =&gt; 090490131013
    [SPI_1] =&gt; 6.50
    [SPI_2] =&gt; 5.20
    [SPI_3] =&gt; 7.5
    [SPI_4] =&gt; 6.5
    [SPI_5] =&gt; 8.0
    [SPI_6] =&gt; 7.1
    [SPI_7] =&gt; 8.0
    [SPI_8] =&gt; 0
    [0] =&gt; 6.50
    [max(SPI_1)] =&gt; 6.50
    [1] =&gt; 8.0
    [max(SPI_2)] =&gt; 8.0
    [2] =&gt; 7.5
    [max(SPI_3)] =&gt; 7.5
    [3] =&gt; 6.5
    [max(SPI_4)] =&gt; 6.5
    [4] =&gt; 8.0
    [max(SPI_5)] =&gt; 8.0
    [5] =&gt; 7.1
    [max(SPI_6)] =&gt; 7.1
    [6] =&gt; 8.0
    [max(SPI_7)] =&gt; 8.0
    [7] =&gt; 0
    [max(SPI_8)] =&gt; 0
) 
</code></pre>

<p>I want to print this <code>max(SPI_1)</code> value.  How can I print this value?</p>
