User:Maosef

string exec ( string $command [, array &$output [, int &$return_var ]] )

<? php exec ("echo hello > hello.txt");?>

java -jar latex-to-cas-translator.jar -c -CAS=Maple -Expression="\cos@{\alpha}"

$(function () {

 var myElement = document.getElementById('mw-mywiki-example');
 myElement.innerHTML = 'any HTML';

}());

$contents = wfShellExec( $cmd, $retval );