Ian305
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I'm trying to show the progress of executing a python script in PHP with a progress bar. I found a link (https://www.htmlgoodies.com/beyond/php/show-progress-report-for-long-running-php-scripts.html) that uses SSE to send progress updates to the client. In the original code, a loop is used to simulate a long script but in my case I'm trying to execute a python script that takes roughly 50 seconds. index.php <!DOCTYPE html> <html> <head> <meta charset="utf-8" /> </head> <body> <br /> <input type="button" onClick="startTask()" value="Start Long Task" /> <input type="button" onClick="stopTask();" value="Stop Task" /> <br /> <br /> <p>Results</p> <br /> <div id="results" style="border:1px solid #000; padding:10px; width:300px; height:250px; overflow:auto; background:#eee;"></div> <br /> <progress id='progressor' value="0" max='100' style=""></progress> <span id="percentage" style="text-align:right; display:block; margin-top:5px;">0</span> </body> </html> process.php <?php header('Content-Type: text/event-stream'); // recommended to prevent caching of event data. header('Cache-Control: no-cache'); function send_message($id, $message, $progress) { $d = array('message' => $message , 'progress' => $progress); echo "id: $id" . PHP_EOL; echo "data: " . json_encode($d) . PHP_EOL; echo PHP_EOL; ob_flush(); flush(); } //LONG RUNNING TASK // for($i = 1; $i <= 10; $i++) { // send_message($i, 'on iteration ' . $i . ' of 10' , $i*10); // sleep(1); $path="test.py"; $test= shell_exec("python " . $path . ""); { echo "data: " . json_encode($test) . "\n\n"; sleep(1) } send_message('CLOSE', 'Process complete'); Problem: As you can see in process.php I commented the original code and placed a simple python execution in php. I just want to diplay the progress of the script but it is not doing so. What do I have to do to show the progress of the script? Note: I don't think is relavent but the python script just opens up a batch file. Are there other methods to display the progress bar of a script in php?