3v4l.org

run code in 300+ PHP versions simultaneously
<?php $ip=$_SERVER['REMOTE_ADDR']; $ipaddress = ''; if (getenv('HTTP_CLIENT_IP')) $ipaddress = getenv('HTTP_CLIENT_IP'); else if(getenv('HTTP_X_FORWARDED_FOR')) $ipaddress = getenv('HTTP_X_FORWARDED_FOR'); else if(getenv('HTTP_X_FORWARDED')) $ipaddress = getenv('HTTP_X_FORWARDED'); else if(getenv('HTTP_FORWARDED_FOR')) $ipaddress = getenv('HTTP_FORWARDED_FOR'); else if(getenv('HTTP_FORWARDED')) $ipaddress = getenv('HTTP_FORWARDED'); else if(getenv('REMOTE_ADDR')) $ipaddress = getenv('REMOTE_ADDR'); else $ipaddress = 'UNKNOWN'; echo "OLD IP: "; echo $ip; echo "<br>"; echo "NEW IP: "; echo $ipaddress; echo "<br>"; echo getenv('HTTP_CLIENT_IP'); echo "<br>"; echo getenv('HTTP_X_FORWARDED_FOR'); echo "<br>"; echo getenv('HTTP_X_FORWARDED'); echo "<br>"; echo getenv('HTTP_FORWARDED_FOR'); echo "<br>"; echo getenv('HTTP_FORWARDED'); echo "<br>"; echo getenv('REMOTE_ADDR'); $file = fopen("ip.txt","a"); fwrite($file,"OLD IP: "); fwrite($file,$ip); fwrite($file," NEW IP: "); fwrite($file,$ipaddress); fwrite($file,"\n"); fclose($file); ?>

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)
8.3.60.0000.01416.75
8.3.50.0140.00716.50
8.3.40.0040.01818.83
8.3.30.0040.01118.86
8.3.20.0040.00420.36
8.3.10.0030.00521.73
8.3.00.0050.00317.78
8.2.180.0140.00318.52
8.2.170.0130.00322.96
8.2.160.0070.00720.20
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0080.00021.12
8.2.120.0040.00426.35
8.2.110.0100.00022.25
8.2.100.0040.00817.91
8.2.90.0060.00319.09
8.2.80.0050.00317.97
8.2.70.0080.00017.48
8.2.60.0000.00817.93
8.2.50.0000.00918.10
8.2.40.0050.00220.42
8.2.30.0080.00019.39
8.2.20.0000.00718.21
8.2.10.0030.00518.06
8.2.00.0040.00418.26
8.1.280.0150.00725.92
8.1.270.0040.00423.79
8.1.260.0040.00426.35
8.1.250.0000.00828.09
8.1.240.0090.00023.88
8.1.230.0150.00017.42
8.1.220.0080.00017.79
8.1.210.0060.00318.77
8.1.200.0040.00417.35
8.1.190.0060.00317.23
8.1.180.0080.00018.10
8.1.170.0000.00818.62
8.1.160.0050.00218.96
8.1.150.0040.00420.64
8.1.140.0050.00219.67
8.1.130.0090.00018.91
8.1.120.0030.00517.50
8.1.110.0040.00417.46
8.1.100.0000.00817.45
8.1.90.0030.00617.54
8.1.80.0070.00317.51
8.1.70.0000.00817.52
8.1.60.0000.00817.66
8.1.50.0040.00417.45
8.1.40.0040.00417.54
8.1.30.0000.00717.59
8.1.20.0060.00317.66
8.1.10.0030.00517.68
8.1.00.0030.00517.55
8.0.300.0060.00318.77
8.0.290.0040.00416.88
8.0.280.0040.00418.57
8.0.270.0040.00417.27
8.0.260.0030.00316.99
8.0.250.0030.00317.11
8.0.240.0040.00417.02
8.0.230.0040.00417.04
8.0.220.0030.00317.03
8.0.210.0000.00717.08
8.0.200.0030.00317.11
8.0.190.0060.00317.06
8.0.180.0030.00616.91
8.0.170.0050.00217.10
8.0.160.0070.00017.01
8.0.150.0040.00416.88
8.0.140.0070.00016.90
8.0.130.0030.00313.50
8.0.120.0030.00616.89
8.0.110.0040.00417.01
8.0.100.0030.00616.95
8.0.90.0050.00317.09
8.0.80.0060.01016.98
8.0.70.0000.00816.92
8.0.60.0050.00217.02
8.0.50.0000.00817.08
8.0.30.0130.00517.12
8.0.20.0110.00917.41
8.0.10.0020.00516.99
8.0.00.0070.01116.71
7.4.330.0050.00015.55
7.4.320.0030.00316.64
7.4.300.0060.00016.60
7.4.290.0070.00016.53
7.4.280.0000.01016.52
7.4.270.0030.00516.59
7.4.260.0060.00013.31
7.4.250.0030.00316.58
7.4.240.0030.00316.59
7.4.230.0000.00716.54
7.4.220.0120.01216.68
7.4.210.0050.01016.61
7.4.200.0000.00716.44
7.4.160.0090.01016.64
7.4.150.0030.01517.40
7.4.140.0150.00517.86
7.4.130.0030.01616.55
7.4.120.0130.00616.56
7.4.110.0030.01416.53
7.4.100.0110.01116.58
7.4.90.0080.00816.57
7.4.80.0080.01019.39
7.4.70.0090.00916.57
7.4.60.0100.00716.60
7.4.50.0090.00616.29
7.4.40.0110.01116.52
7.4.30.0110.00716.66
7.4.00.0070.01015.08
7.3.330.0000.00613.28
7.3.320.0000.00513.16
7.3.310.0030.00316.34
7.3.300.0030.00316.46
7.3.290.0000.00716.44
7.3.280.0080.00816.42
7.3.270.0120.00417.40
7.3.260.0070.00916.49
7.3.250.0120.00716.43
7.3.240.0120.00716.51
7.3.230.0170.00616.51
7.3.210.0100.00716.40
7.3.200.0100.00716.38
7.3.190.0070.01016.33
7.3.180.0090.00616.51
7.3.170.0140.00916.53
7.3.160.0070.01616.61
7.2.330.0030.01416.39
7.2.320.0110.01116.52
7.2.310.0090.01516.69
7.2.300.0100.01316.78
7.2.290.0110.00516.78
7.2.60.0070.00716.99
7.2.00.0030.00919.41
7.1.200.0000.01315.53
7.1.100.0000.01117.89
7.1.70.0070.00716.89
7.1.60.0170.01034.95
7.1.50.0240.00334.87
7.1.40.0200.01034.31
7.1.30.0220.00734.58
7.1.20.0190.00934.48
7.1.10.0070.00716.50
7.1.00.0050.00816.80
7.0.200.0040.00917.00
7.0.190.0070.00716.43
7.0.180.0070.00716.29
7.0.170.0030.01116.19
7.0.160.0040.01116.25
7.0.150.0140.00316.01
7.0.140.0030.01016.35
7.0.130.0070.00716.43
7.0.120.0070.00716.25
7.0.110.0000.01316.23
7.0.100.0070.00716.50
7.0.90.0040.00916.20
7.0.80.0070.00716.47
7.0.70.0050.00816.32
7.0.60.0060.00816.20
7.0.50.0050.00816.21
7.0.40.0100.00316.54
7.0.30.0040.00916.38
7.0.20.0080.00916.40
7.0.10.0050.00816.54
7.0.00.0030.01116.39

preferences:
31.45 ms | 401 KiB | 5 Q