Optimizing PHP Command Execution Embracing Exec vs. Passthru

You can search for disable_functions and if exec is listed it means it is disabled. To enable it just remove the exec from the line and then you ... 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. Returns ... The passthru() function is similar to the exec() function in that it executes a command. This function should be used in place of exec() or system() $execQuery = "echo -n test_command"; $output = shell_exec($execQuery); echo $output;. Your question doesn't show trying to capture any data. If ... The shell command you're trying to execute will run with the permissions of the process running the PHP binary ( I.e. apache , etc. Interesting. So, the differences between the fork+exec from PHP-CLI and PHP-Apache might be: 1. Higher memory footprint for Apache+PHP which ... php shell_exec() vs exec() With exec(), you can pass an optional param variable which will receive an array of output lines. PHP exec()、system() 和passthru() 函数都可以用于执行外部程序和系统命令。它们的主要区别在于如何处理命令的输出。在选择哪个函数时，需要根据具体的应用场景和需求来 ... php if(exec('echo EXEC') == 'EXEC'){ exec("C:\Program Files\TextPad 7\TextPad ... http://stackoverflow.com/questions/732832/php-exec-vs-system-vs-passthru 与exec() 类似, 唯一不同的是, 命令的所有输出返回内容都不再导入到PHP 环境, 而是直接作为输出内容, 返回到浏览器的输出上, 等效是把所有返回内容直接 ...