PHP Passthru Demystified Unlocking Its Return Value Potential

""; echo "Return Value: $retval"; die; ?> tylo January 16, 2012, 6:09am 2. Incase anyone else runs into this problem, I was able to ... ... return value: system("/path/to/somecommand", $return_val);. The system ... php echo "

"; system("man man | col -b", $return_val); echo "

... Error 128 on MySQL means "out of memory." if it works once, then it could be that MySQL is creating a temporary table or something and it isn't releasing the ... If you need to execute a command and have all the data from the command passed directly back without any interference, use the passthru() function. Parameters. ... .$script); exec($path.$script); return true; } the exec() command never seems to run (hosted on linux) in the course of module execution, If the return_var argument is present, then the return status of the executed command will be written to this variable. Return Values. Returns the last line of ... One fascinating function that PHP provides similar to those we have seen so far is the passthru function. This function, like the others, ... If exec() encounters a return value that is not 0 (which some programs give on help messages, since the program did not technically run), it ... The return value is null;; The standard input of the program, stdin, is ... herong$ php -a Interactive shell php > passthru("whoami"); herong php ... EVERYONE needs permission to run whatever commands you are using with shell_exec(). · The Return value from shell_exec() will only be provided ...