PHP Passthru The Essential Guide to Error Handling with Standard Error

The simple question is: WHY? the second parameter of exec should receive, line by line, all che content of program output. I tried also with passthru, that ... The 1 denotes standard output (stdout). The 2 denotes standard error (stderr). So 2>&1 says to send standard error to where ever standard ... I need to run a shell command in PHP and capture STDOUT and STDERR separately. This function lets you run a command and returns a hash with the various ... ... stderr = Display errors to STDERR (affects only CGI/CLI binaries!) ; ... through the php://input stream wrapper. This can be useful ; to ... ... stderr = Display errors to STDERR (affects only CGI/CLI binaries!) ; ... exec | passthru | shell_exec | system | Switch User Environment ... Where to direct stderr. Redirected to stdout, unless passthru is set to true ... Whether to use PHP's passthru() function instead of exec(). false, No. ... PHP's passthru , analogous to setTty and setPty ) #44821 ... It would be very useful to have another "passthru" mode that would basically return [ ... output and not standard error. If you are running a script you can pipe the STDERR to STDOUT by doing exec 2>&1. Eg. the script below will actually print ... This section describes different options to execute external programs on the operting system from PHP scripts: exec(), system(), passthru(), ... The standard error of the program, stderr, is shared with the calling script. ... herong$ php -a Interactive shell php > passthru("whoami"); herong php ...