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Enjoy a randomly generated fortune:

$ fortune | cowsay

 _________________________________________
/  Friends were surprised, indeed, when   \
| Frank and Jennifer broke their          |
| engagement, but Frank had a ready       |
| explanation: "Would you marry someone   |
| who was habitually unfaithful, who lied |
| at every turn, who was selfish and lazy |
| and sarcastic?"                         |
|                                         |
| "Of course not," said a sympathetic     |
| friend.                                 |
|                                         |
| "Well," retorted Frank, "neither would  |
\ Jennifer."                              /
 -----------------------------------------
        \   ^__^
         \  (oo)\_______
            (__)\       )\/\
                ||----w |
                ||     ||

Here is the PHP code:

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