passthruExecute an external program and display raw output Description
void passthru
( string
$command
[, int &$return_var
] )
The passthru function is similar to the
exec function in that it executes a
Parameters
Return ValuesNo value is returned. NotesWarning
When allowing user-supplied data to be passed to this function, use escapeshellarg or escapeshellcmd to ensure that users cannot trick the system into executing arbitrary commands.
Warning
With safe mode enabled, the command string is escaped with escapeshellcmd. Thus, echo y | echo x becomes echo y \| echo x. |