3v4l.org

run code in 300+ PHP versions simultaneously
<?php $verz="1.0"; $comPort = "/dev/ttyACM0"; /*change to correct com port */ if (isset($_POST["rcmd"])) { $rcmd = $_POST["rcmd"]; switch ($rcmd) { case D: $fp =fopen($comPort, "w"); fwrite($fp, chr(100)); fclose($fp); break; case A: $fp =fopen($comPort, "w"); fwrite($fp, chr(97)); fclose($fp); break; case W: $fp =fopen($comPort, "w"); fwrite($fp, chr(119)); fclose($fp); break; case S: $fp =fopen($comPort, "w"); fwrite($fp, chr(115)); fclose($fp); break; case T: $fp =fopen($comPort, "w"); fwrite($fp, chr(116)); fclose($fp); break; case G: $fp =fopen($comPort, "w"); fwrite($fp, chr(103)); fclose($fp); break; case H: $fp =fopen($comPort, "w"); fwrite($fp, chr(104)); fclose($fp); break; case F: $fp =fopen($comPort, "w"); fwrite($fp, chr(102)); fclose($fp); break; case U: $fp =fopen($comPort, "w"); fwrite($fp, chr(117)); fclose($fp); break; case J: $fp =fopen($comPort, "w"); fwrite($fp, chr(106)); fclose($fp); break; case Lights: $fp =fopen($comPort, "w"); fwrite($fp, chr(110)); fclose($fp); break; case Home: $fp =fopen($comPort, "w"); fwrite($fp, chr(109)); fclose($fp); break; default: die('Something is wrong. Fix it.'); } } ?> <html> <body> <body style="background-color:yellow;"> <center> <p style="font-family:Arial;color:red;font-size:45px;">Mivinci!</p> <p style="font-family:verdana;color:black;font-size:25px;">Control Mivinci From Anywhere!</p> <b>Version <?php echo $verz; ?></b> </center> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <div style="float: left; width: 700px; height: 500px;"> <iframe frameborder="0" width="700" height="500" src="http://192.168.23.111:8081/"></iframe> </div> <div id="controls" style="float:left;"> <form method="post" action="<?php echo $PHP_SELF;?>"> <br/> <br/> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="W" name="rcmd"> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="A" name="rcmd"> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="D" name="rcmd"> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="S" name="rcmd"> <br/> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="T" name="rcmd"> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="F" name="rcmd"> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="H" name="rcmd"><br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="G" name="rcmd"> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="U" name="rcmd"> <br/> <br/> <br/> &nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp&nbsp <input type="submit" value="V" name="rcmd"><br/> <br/> <br/> &nbsp&nbsp&nbsp&nbsp <input type="submit" value="Home" name="rcmd"> &nbsp <input type="submit" value="Lights" name="rcmd"> </form> </div> <br /> <br /> <br /> </body> </html>

Here you find the average performance (time & memory) of each version. A grayed out version indicates it didn't complete successfully (based on exit-code).

VersionSystem time (s)User time (s)Memory (MiB)
8.3.70.0120.00316.63
8.3.60.0060.01518.56
8.3.50.0110.00921.08
8.3.40.0110.00418.68
8.3.30.0100.00720.17
8.3.20.0080.00020.48
8.3.10.0040.00421.09
8.3.00.0040.00423.53
8.2.180.0150.00616.63
8.2.170.0150.00322.96
8.2.160.0070.00720.35
8.2.150.0050.00324.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0050.00321.05
8.2.110.0100.00722.08
8.2.100.0040.00818.03
8.2.90.0070.00317.97
8.2.80.0040.00417.97
8.2.70.0030.00817.75
8.2.60.0080.00017.93
8.2.50.0080.00018.07
8.2.40.0070.00320.00
8.2.30.0040.00419.37
8.2.20.0040.00417.82
8.2.10.0040.00417.69
8.2.00.0050.00517.72
8.1.280.0160.00325.92
8.1.270.0070.00023.99
8.1.260.0070.00026.35
8.1.250.0050.00228.09
8.1.240.0150.00020.52
8.1.230.0080.00320.97
8.1.220.0040.00420.98
8.1.210.0000.00818.77
8.1.200.0060.00317.48
8.1.190.0040.00417.66
8.1.180.0050.00318.10
8.1.170.0040.00418.57
8.1.160.0030.00618.94
8.1.150.0050.00218.60
8.1.140.0000.00817.52
8.1.130.0040.00417.93
8.1.120.0050.00217.54
8.1.110.0070.00017.39
8.1.100.0000.00817.56
8.1.90.0040.00417.50
8.1.80.0040.00417.40
8.1.70.0030.00317.49
8.1.60.0030.00617.66
8.1.50.0040.00417.43
8.1.40.0040.00417.54
8.1.30.0050.00317.59
8.1.20.0030.00517.68
8.1.10.0040.00417.48
8.1.00.0000.00817.45
8.0.300.0040.00419.77
8.0.290.0070.00017.41
8.0.280.0000.00718.41
8.0.270.0030.00617.32
8.0.260.0050.00316.86
8.0.250.0000.00817.04
8.0.240.0090.00017.11
8.0.230.0040.00417.09
8.0.220.0030.00316.98
8.0.210.0070.00417.07
8.0.200.0030.00317.11
8.0.190.0060.00317.04
8.0.180.0040.00417.09
8.0.170.0040.00416.99
8.0.160.0070.00017.00
8.0.150.0080.00016.82
8.0.140.0000.00916.98
8.0.130.0000.00613.48
8.0.120.0030.00516.86
8.0.110.0000.00717.03
8.0.100.0050.00316.95
8.0.90.0030.00316.87
8.0.80.0000.01817.02
8.0.70.0040.00416.80
8.0.60.0050.00216.91
8.0.50.0040.00416.85
8.0.30.0090.01117.35
8.0.20.0090.00917.40
8.0.10.0080.00017.12
8.0.00.0090.00916.68
7.4.330.0000.00515.03
7.4.320.0030.00316.68
7.4.300.0030.00316.62
7.4.290.0050.00316.73
7.4.280.0000.00716.58
7.4.270.0000.00716.50
7.4.260.0050.00013.42
7.4.250.0030.00616.57
7.4.240.0040.00416.70
7.4.230.0000.00816.72
7.4.220.0120.00616.49
7.4.210.0060.01016.66
7.4.200.0000.00716.60
7.4.190.0030.00516.85
7.4.160.0080.00816.64
7.4.150.0070.01017.40
7.4.140.0110.00617.86
7.4.130.0100.00916.70
7.4.120.0120.00516.65
7.4.110.0130.00516.63
7.4.100.0070.01116.77
7.4.90.0070.01116.56
7.4.80.0000.01619.39
7.4.70.0130.00316.52
7.4.60.0080.01116.55
7.4.50.0030.00716.54
7.4.40.0070.01122.77
7.4.30.0180.00016.49
7.4.00.0140.00515.04
7.3.330.0050.00013.10
7.3.320.0030.00313.01
7.3.310.0030.00316.32
7.3.300.0030.00316.20
7.3.290.0110.00316.27
7.3.280.0090.00816.34
7.3.270.0000.01717.40
7.3.260.0120.00718.24
7.3.250.0140.00716.49
7.3.240.0220.00016.31
7.3.230.0130.00316.40
7.3.210.0080.00816.49
7.3.200.0150.00919.39
7.3.190.0120.01016.49
7.3.180.0070.01316.62
7.3.170.0100.00516.47
7.3.160.0040.01416.63
7.3.120.0070.00714.84
7.3.110.0110.01114.90
7.3.100.0030.01215.12
7.3.90.0100.00314.90
7.3.80.0160.00015.03
7.3.70.0110.00414.89
7.3.60.0090.00914.72
7.3.50.0090.00314.98
7.3.40.0000.01415.01
7.3.30.0100.00314.73
7.3.20.0130.00016.61
7.3.10.0060.00316.68
7.3.00.0030.00616.74
7.2.330.0030.01516.72
7.2.320.0110.00716.38
7.2.310.0070.01316.49
7.2.300.0060.01116.45
7.2.290.0070.01016.71
7.2.250.0100.01014.64
7.2.240.0100.01015.17
7.2.230.0030.01415.18
7.2.220.0030.00715.19
7.2.210.0090.00315.00
7.2.200.0140.00315.06
7.2.190.0060.01214.96
7.2.180.0100.00715.27
7.2.170.0030.01015.18
7.2.60.0000.01716.91
7.2.50.0100.00716.85
7.1.330.0000.01415.55
7.1.320.0040.01215.54
7.1.310.0040.01115.69
7.1.300.0040.01215.61
7.1.290.0030.01315.75
7.1.280.0070.00415.75
7.1.270.0040.01115.66
7.1.260.0090.00615.79
7.1.200.0080.00815.78
7.1.70.0030.01317.06
7.1.60.0150.00019.17
7.1.50.0230.01334.84
7.1.00.0030.05722.42
7.0.200.0000.00816.72
7.0.140.0000.07722.01
7.0.70.0030.07721.93
7.0.60.0100.06021.72
7.0.50.0030.06322.09
7.0.40.0100.06720.17
7.0.30.0030.08720.05
7.0.20.0070.07020.15
7.0.10.0000.07320.14
7.0.00.0100.08320.07
5.6.280.0000.07720.92
5.6.220.0170.07720.54
5.6.210.0030.08020.60
5.6.200.0030.07721.07
5.6.190.0170.06721.12
5.6.180.0030.07721.12
5.6.170.0070.08321.05
5.6.160.0100.08021.13
5.6.150.0100.06721.05
5.6.140.0030.04321.07
5.6.130.0070.08321.15
5.6.120.0100.05721.03
5.6.110.0000.07721.14
5.6.100.0030.07021.15
5.6.90.0070.06321.03
5.6.80.0170.07320.46
5.6.70.0070.07720.53
5.6.60.0030.08320.39
5.6.50.0070.07020.50
5.6.40.0100.07720.39
5.6.30.0100.06720.50
5.6.20.0130.06320.47
5.6.10.0030.08020.33
5.6.00.0030.07720.41
5.5.360.0030.08020.37
5.5.350.0100.07720.35
5.5.340.0070.04020.82
5.5.330.0030.08020.92
5.5.320.0070.07720.94
5.5.310.0000.08320.82
5.5.300.0070.08020.90
5.5.290.0030.08320.93
5.5.280.0100.07320.81
5.5.270.0100.08720.92
5.5.260.0100.08320.89
5.5.250.0100.06720.56
5.5.240.0130.07020.20
5.5.230.0070.08020.23
5.5.220.0100.07320.22
5.5.210.0100.08020.20
5.5.200.0000.08320.25
5.5.190.0100.07320.10
5.5.180.0070.06320.15
5.5.160.0030.05020.25
5.5.150.0000.06020.29
5.5.140.0070.07720.17
5.5.130.0100.07020.13
5.5.120.0100.07320.18
5.5.110.0030.08020.29
5.5.100.0030.08020.09
5.5.90.0000.08320.12
5.5.80.0000.06020.08
5.5.70.0030.08020.03
5.5.60.0030.06020.02
5.5.50.0070.07020.12
5.5.40.0000.04020.17
5.5.30.0000.04020.05
5.5.20.0000.07320.15
5.5.10.0030.05720.12
5.5.00.0030.03720.02
5.4.450.0030.08019.58
5.4.440.0030.06319.45
5.4.430.0100.07319.56
5.4.420.0000.08319.37
5.4.410.0000.08319.32
5.4.400.0070.07319.01
5.4.390.0030.07319.12
5.4.380.0030.05719.06
5.4.370.0100.07319.05
5.4.360.0000.08019.04
5.4.350.0100.05319.15
5.4.340.0070.05319.07
5.4.320.0030.04719.10
5.4.310.0130.06718.99
5.4.300.0000.07718.83
5.4.290.0030.06719.23
5.4.280.0100.07318.98
5.4.270.0130.07018.81
5.4.260.0030.07319.09
5.4.250.0070.07318.89
5.4.240.0000.05019.04
5.4.230.0130.06719.19
5.4.220.0000.05019.06
5.4.210.0000.04319.11
5.4.200.0030.07319.11
5.4.190.0000.06018.79
5.4.180.0030.07719.11
5.4.170.0030.03719.11
5.4.160.0000.04019.03
5.4.150.0000.07718.92
5.4.140.0000.03716.43
5.4.130.0030.03716.07
5.4.120.0070.07316.38
5.4.110.0030.07316.32
5.4.100.0030.06716.23
5.4.90.0070.03716.45
5.4.80.0030.05016.25
5.4.70.0030.07716.31
5.4.60.0000.05316.30
5.4.50.0030.06016.42
5.4.40.0070.07016.46
5.4.30.0030.07316.31
5.4.20.0030.07316.40
5.4.10.0030.06716.27
5.4.00.0000.05015.73
5.3.290.0100.06714.68
5.3.280.0030.07714.53
5.3.270.0000.04014.62
5.3.260.0070.03314.64
5.3.250.0030.08014.61
5.3.240.0000.04014.54
5.3.230.0000.08014.60
5.3.220.0000.06014.53
5.3.210.0030.05714.58
5.3.200.0030.07714.60
5.3.190.0030.03714.45
5.3.180.0000.06014.45
5.3.170.0030.07014.55
5.3.160.0030.08014.57
5.3.150.0100.07014.45
5.3.140.0000.07314.54
5.3.130.0070.07714.54
5.3.120.0000.08014.43
5.3.110.0070.05714.54
5.3.100.0000.06313.89
5.3.90.0030.06713.88
5.3.80.0100.07014.04
5.3.70.0070.07013.90
5.3.60.0070.06713.88
5.3.50.0030.04013.93
5.3.40.0070.06713.73
5.3.30.0000.07713.88
5.3.20.0100.04013.71
5.3.10.0000.05013.65
5.3.00.0030.05713.66
5.2.170.0000.03013.05
5.2.160.0000.06313.05
5.2.150.0030.06713.05
5.2.140.0100.06013.05
5.2.130.0000.06313.05
5.2.120.0000.06013.05
5.2.110.0030.06313.05
5.2.100.0030.06013.05
5.2.90.0000.05713.05
5.2.80.0000.04313.05
5.2.70.0070.03313.05
5.2.60.0000.03013.05
5.2.50.0030.02713.05
5.2.40.0030.02713.05
5.2.30.0000.03013.05
5.2.20.0000.03313.05
5.2.10.0030.02713.05
5.2.00.0000.03013.05
5.1.60.0000.02313.05
5.1.50.0030.02313.05
5.1.40.0000.02713.05
5.1.30.0030.02713.05
5.1.20.0000.03013.05
5.1.10.0030.02313.05
5.1.00.0000.02313.05
5.0.50.0000.02313.05
5.0.40.0030.04013.05
5.0.30.0000.03313.05
5.0.20.0000.03013.05
5.0.10.0000.04313.05
5.0.00.0000.06713.05
4.4.90.0000.01713.05
4.4.80.0030.01313.05
4.4.70.0000.01713.05
4.4.60.0000.01313.05
4.4.50.0000.01313.05
4.4.40.0000.02313.05
4.4.30.0000.01313.05
4.4.20.0000.02013.05
4.4.10.0000.01313.05
4.4.00.0030.02313.05
4.3.110.0000.03713.05
4.3.100.0000.01313.05
4.3.90.0030.01713.05
4.3.80.0070.05013.05
4.3.70.0030.03313.05
4.3.60.0000.02013.05
4.3.50.0000.03713.05
4.3.40.0030.05013.05
4.3.30.0070.02013.05
4.3.20.0000.03313.05
4.3.10.0000.04013.05
4.3.00.0030.02713.05

preferences:
36.52 ms | 401 KiB | 5 Q