PHP Exec vs. Passthru The Essential Comparison for Command Line Control

My php.ini doesn't block exec() or shell_exec(), but yet the shell command from php doesn't execute. It works only from the terminal. php shell_exec() vs exec() With exec(), you can pass an optional param variable which will receive an array of output lines. 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 ... ... php function is very common due to security reasons. Following are the most common php functions which are blocked: exec,passthru,shell_exec ... Top 82 PHP Interview Questions. [RESOLVED] Php exec() calling command prompt. Log In ... Yes, I've tried system, passthru and exec on simple examples just to see if I was escapeshellarg — Escape a string to be used as a shell argument · escapeshellcmd — Escape shell metacharacters · exec — Execute an external program · passthru — ... passthru($cmd, $return_var); $output = ob_get_contents(); ob_end_clean ... To get it to work i put a sleep(5) after the exec and now shell_exec works fine. exec() - Execute an external program; passthru() - Execute an external program and display raw output; popen() - Opens process file pointer; escapeshellcmd ... They differ in how they handle the output of the program: exec() executes the command and returns the last line of output as a string, or FALSE on error.