Shell command not working via exec() in php -


i'm executing php function via php exec() function seems pass through 1 variable @ time.

$url = "http://domain.co/test.php?phone=123&msg=testing" exec('wget '.$url);

within test.php file have 

$msg = "msg =".$_get["msg"]." number=".$_get["phone"]; mail('me@gmail.com', 'working?', $msg);

i email returns phone variable only.

but if change url follows

$url = "http://domain.co/test.php?msg=testing&phone=123"

i msg not phone? ideas on causing strange behavior?

the & sign special character in unix shell. need escape it:

exec("wget '$url'");

also, if url based on user input in way, careful escape escapeshellarg. otherwise users able run arbitrary unix commands on server.


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