PHP Passthru Unleashed Uncover the Potential of Standard Error

standard output (STDOUT), connected to the screen; standard error output (STDERR), either displayed on the screen or written to a log file. ... stderr: "PHP message: PHP Warning: shell_exec() has been disabled for security reasons in shell.php on line 2" while reading response header ... ... PHP will pass that descriptor to the child process. 0 is stdin, 1 is stdout, while 2 is stderr. Each element can be: An array describing the pipe to pass to ... 0 is stdin, 1 is stdout, while 2 is stderr. Each element can be: An array describing the pipe to pass to the process. The first element is the descriptor type ... ... exec, system, works with popen, and passthru. ... +- Returns full output as a string instead of directly to the browser (only stdout; stderr must be redirected). Later in this article, you will learn how to pass arguments to these scripts using PHP. ... standard error (stderr) unless you add it to stdout ... Redirecting stderr to stdout should do the trick. Append 2>&1 to the end of your command. e.g. exec("/usr/bin/svn --username something -- ... ... passthru() $return = ""; $output = ""; ob_start(); passthru($cmd, $return); ... stderr is a file to write to ); $cwd = '/tmp'; $env = array('some_option ... Employ PHP functions like shell_exec(), passthru(), exec(), popen ... Here, I've redirected the STDERR stream to Unix's NULL device (I'm throwing ... 在php中，执行shell有很多，如：system()、exec()等等。 能拿到完整结果的，只有shell_exec()与passthru()函数。 区别：. shell_exec — 通过shell 环境执行命令 ...