Name
exec
Synopsis
string exec(stringcommand[, arrayoutput[, intreturn]])
Executes command via the shell and
returns the last line of output from the command’s result. If
output is specified, it is filled with the
lines returned by the command. If return is
specified, it is set to the return status of the command.
If you want to have the results of the command output into the
PHP page, use passthru().
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