Created
June 10, 2016 03:53
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PHP proc_open random refresh issue
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| <!doctype html> | |
| <html lang="en"> | |
| <head> | |
| <meta charset="utf-8"> | |
| <title>CMS</title> | |
| </head> | |
| <body> | |
| <a href='?node=npm&node_args=list'>Click to run "npm list"</a><br/> | |
| <pre> | |
| <?php | |
| if(!isset($_GET['node'])) die(); | |
| function trace($msg) { echo "$msg\n"; } | |
| $errorFile = "./.node-errors.txt"; | |
| $descriptorspec = [ | |
| 0 => ["pipe", "r"], // stdin is a pipe that the child will read from | |
| 1 => ["pipe", "w"], // stdout is a pipe that the child will write to | |
| 2 => ["file", $errorFile, "a"] // stderr is a file to write to | |
| ]; | |
| $nodeCommand = $_GET['node'];; | |
| if(isset($_GET['node_args'])) { | |
| trace("NodeJS Args: " . $_GET['node_args'] . "\n\n"); | |
| $nodeArgs = $_GET['node_args']; | |
| } else { | |
| $nodeArgs = ''; | |
| } | |
| //??? test | |
| //$nodeCommand $nodeArgs | |
| $process = proc_open("npm list", $descriptorspec, $pipes, getcwd()); | |
| if (is_resource($process)) { | |
| echo stream_get_contents($pipes[1]); | |
| fclose($pipes[1]); | |
| fclose($pipes[0]); | |
| //fclose() | |
| // It is important that you close any pipes before calling | |
| // proc_close in order to avoid a deadlock | |
| $return_value = proc_close($process); | |
| if ($return_value !== 0) { | |
| trace("ERROR: command returned $return_value"); | |
| echo file_get_contents($errorFile); | |
| //file_put_contents($errorFile, ''); //Clear the error | |
| } else { | |
| trace("===============================\nCompleted server-side command."); | |
| } | |
| } | |
| ?> | |
| </pre> | |
| </body> | |
| </html> |
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