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Asked by Manmohan Last Modified
Answer That is a backtick (or backquote).
Anything inside the backquote will be "executed" and the results may be stored in a variable.
Consider this piece of code:
<?php
$output = `ls -al`;
echo "<pre>$output</pre>";
?>
the ls -al command will be executed by the shell and the results are stored in the $output variable
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