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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/  A novice programmer was once assigned \
| to code a simple financial package.    |
|                                        |
| The novice worked furiously for many   |
| days, but when his master reviewed his |
| program, he discovered that it         |
| contained a screen editor, a set of    |
| generalized graphics routines, and     |
| artificial intelligence interface, but |
| not the slightest mention of anything  |
| financial.                             |
|                                        |
| When the master asked about this, the  |
| novice became indignant. "Don't be so  |
| impatient," he said, "I'll put the     |
| financial stuff in eventually."        |
|                                        |
| -- Geoffrey James, "The Tao of         |
\ Programming"                           /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

$output = shell_exec("/usr/games/fortune | /usr/games/cowsay");
echo $output;