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Enjoy a randomly generated fortune:

$ fortune | cowsay

 ________________________________________
/ Recipe for a Pan Galactic Gargle       \
| Blaster:                               |
|                                        |
| (1) Take the juice from one bottle of  |
| Ol' Janx Spirit                        |
|                                        |
| (2) Pour into it one measure of water  |
| from the seas of                       |
|                                        |
| Santraginus V (Oh, those Santraginean  |
| fish!)                                 |
|                                        |
| (3) Allow 3 cubes of Arcturan Mega-gin |
| to melt into the                       |
|                                        |
| mixture (properly iced or the benzine  |
| is lost.)                              |
|                                        |
| (4) Allow four liters of Fallian marsh |
| gas to bubble through it.              |
|                                        |
| (5) Over the back of a silver spoon,   |
| float a measure of                     |
|                                        |
| Qualactin Hypermint extract.           |
|                                        |
| (6) Drop in the tooth of an Algolian   |
| Suntiger. Watch it dissolve.           |
|                                        |
| (7) Sprinkle Zamphuor.                 |
|                                        |
| (8) Add an olive.                      |
|                                        |
\ (9) Drink... but... very carefully...  /
 ----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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