Add php example stream script (closes #2687)

Co-authored-by: AutomGuy <AutomGuy@users.noreply.github.com>

examples/rtl_433_custom.php

@@ -19,7 +19,7 @@ Restart=always
 RestartSec=5
 RemainAfterExit=no
 User=root
-ExecStart=/bin/sh -c "/usr/bin/rtl_433 -f 433920000 -f 433920000 -H 120 -F syslog:127.0.0.1:1433"
+ExecStart=/bin/sh -c "/usr/bin/rtl_433 -f 433.92M -F syslog:127.0.0.1:1433"
 
 [Install]
 WantedBy=multi-user.target
@@ -105,4 +105,3 @@ for (;;)
     }
 }
 ?>
-

examples/rtl_433_http_stream.php

@@ -0,0 +1,84 @@
+#!/usr/bin/php
+<?php
+/*
+Short example of an TCP client written in PHP for rtl_433.
+
+You need to have `php_cli` installed.
+
+To run this as service use these systemd service files for
+ubuntu, lubuntu, xubuntu, debian, ubuntu core and so on.
+
+## Service file to start the rtl_433 process
+
+[Unit]
+Description=rtl433 tcp service
+After=network.target
+[Service]
+Restart=always
+RestartSec=5
+RemainAfterExit=no
+User=root
+ExecStart=/bin/sh -c "/usr/bin/rtl_433 -f 433.92M -F http:127.0.0.1:8433"
+
+[Install]
+WantedBy=multi-user.target
+
+## Service file to start the php udp server
+
+[Unit]
+Description=http 433 tcp service
+After=network.target
+StartLimitIntervalSec=0
+[Service]
+Type=simple
+Restart=always
+RestartSec=1
+User=root
+ExecStart=/usr/bin/php /home/user/rtl_433/examples/rtl_433_http_stream.php
+
+[Install]
+WantedBy=multi-user.target
+*/
+
+
+//Function to check $haystack if
+//$needle in $haystack
+function str__contains($haystack,$needle)
+{
+  return (strpos($haystack, $needle) !== false)
+}
+
+
+//main
+$adr  = "127.0.0.1";
+$port = "8433";
+$url  = $sdr . ":" . $port . "/stream";
+
+$fp = stream_socket_client("tcp://" . $url , $errno, $errstr, 70);
+if (!$fp) {
+    //optional error output
+    //echo "$errstr ($errno)<br />\n";
+} else {
+    fwrite($fp, "GET / HTTP/1.0\r\nHost: " . $adr . "\r\nAccept: */*\r\n\r\n");
+    while (!feof($fp)) {
+        $line = fgets($fp, 1024);
+        //time is available in all received records, that is the filter word
+        //for sensor data
+        if(str__contains($line,"time"))
+        {
+          //raw output of json
+          print_r($line);
+          /*
+          do something with content of $line
+          for example decode $line into an array
+          $arr = json_decode($line,true);
+
+          do something with that array and
+          output into a file as json
+          file_put_contents('test.json', json_encode($arr, JSON_PRETTY_PRINT);
+          */
+        }
+    }
+    fclose($fp);
+}
+?>