Created
January 21, 2019 16:15
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SSE
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| <?php | |
| header("Access-Control-Allow-Origin: *"); | |
| $accept = $_SERVER["HTTP_ACCEPT"]; | |
| if($accept === "text/event-stream") { | |
| header("Content-Type: text/event-stream"); | |
| header('Cache-Control: no-cache'); | |
| $i = 0; | |
| while($i < 10) { | |
| $time = time(); | |
| echo "id: $time\n"; | |
| echo "event: gregupdate\n"; | |
| echo "data: {message: \"test\"}\n"; | |
| echo "\n"; | |
| flush(); | |
| ob_flush(); | |
| sleep(1); | |
| $i++; | |
| } | |
| exit; | |
| } | |
| if(!empty($_POST)) { | |
| $msg = $_POST["message"] ?? null; | |
| if($msg) { | |
| file_put_contents("messages.txt", $msg . PHP_EOL, FILE_APPEND); | |
| header("Location: /"); | |
| exit; | |
| } | |
| } | |
| $msgList = []; | |
| if(is_file("messages.txt")) { | |
| $msgList = file("messages.txt"); | |
| } | |
| ?> | |
| <!doctype html> | |
| <html> | |
| <head> | |
| <meta charset="utf-8" /> | |
| <title>SSE test</title> | |
| </head> | |
| <body> | |
| <div id="output" style="white-space: pre"> | |
| <?php | |
| foreach($msgList as $msg) { | |
| echo $msg . PHP_EOL; | |
| } | |
| ?> | |
| </div> | |
| <form method="post"> | |
| <input name="message" placeholder="Message" /> | |
| <button>Submit</button> | |
| </form> | |
| <script> | |
| let source = new EventSource(location.href); | |
| source.onmessage = function(event) { | |
| console.log(event); | |
| } | |
| </script> | |
| </body> | |
| </html> |
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