3v4l.org

run code in 300+ PHP versions simultaneously
<?php function f($req, $opt = null) { printf('$req: %d; $opt: %d."\n"', $req, $opt); } f(1); f(1, 2); ?>

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)
8.3.40.0040.01118.67
8.3.30.0070.00720.34
8.3.20.0050.00220.21
8.3.10.0080.00021.92
8.3.00.0000.00722.36
8.2.170.0090.00622.96
8.2.160.0170.00022.11
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0070.00026.16
8.2.120.0040.00420.81
8.2.110.0030.00522.07
8.2.100.0040.00717.59
8.2.90.0060.00318.97
8.2.80.0040.00419.32
8.2.70.0050.00317.38
8.2.60.0040.00417.80
8.2.50.0110.00018.07
8.2.40.0030.00617.97
8.2.30.0040.00619.44
8.2.20.0050.00317.59
8.2.10.0040.00417.61
8.2.00.0040.00417.46
8.1.270.0050.00323.99
8.1.260.0000.00826.35
8.1.250.0070.00428.09
8.1.240.0060.00323.84
8.1.230.0070.00319.06
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0000.01117.00
8.1.190.0020.00517.53
8.1.180.0090.00018.76
8.1.170.0030.00518.54
8.1.160.0000.00720.54
8.1.150.0080.00018.39
8.1.140.0020.00517.29
8.1.130.0000.00717.83
8.1.120.0030.00417.21
8.1.110.0040.00417.31
8.1.100.0000.00717.29
8.1.90.0070.00017.29
8.1.80.0000.00717.38
8.1.70.0000.00717.32
8.1.60.0040.00417.41
8.1.50.0070.00017.51
8.1.40.0000.00717.44
8.1.30.0040.00417.53
8.1.20.0000.00817.56
8.1.10.0000.00717.38
8.1.00.0040.00417.30
8.0.300.0080.00018.77
8.0.290.0040.00417.15
8.0.280.0030.00318.27
8.0.270.0030.00317.19
8.0.260.0000.00716.73
8.0.250.0030.00316.75
8.0.240.0030.00616.86
8.0.230.0030.00316.81
8.0.220.0030.00316.79
8.0.210.0000.00716.68
8.0.200.0030.00316.81
8.0.190.0000.00816.84
8.0.180.0000.00816.77
8.0.170.0040.00416.70
8.0.160.0000.00716.80
8.0.150.0040.00416.84
8.0.140.0030.00616.62
8.0.130.0000.00613.17
8.0.120.0000.00716.76
8.0.110.0040.00416.61
8.0.100.0030.00516.64
8.0.90.0000.00716.75
8.0.80.0070.01316.80
8.0.70.0080.00016.59
8.0.60.0050.00316.62
8.0.50.0000.00716.79
8.0.30.0080.01516.94
8.0.20.0080.01117.40
8.0.10.0020.00516.89
8.0.00.0100.00816.67
7.4.330.0000.00515.00
7.4.320.0030.00316.44
7.4.300.0030.00316.54
7.4.290.0030.00316.37
7.4.280.0050.00316.44
7.4.270.0030.00316.31
7.4.260.0000.00513.21
7.4.250.0070.00016.38
7.4.240.0020.00616.52
7.4.230.0070.00016.57
7.4.220.0070.01016.46
7.4.210.0080.00716.53
7.4.200.0070.00016.64
7.4.190.0000.00716.32
7.4.160.0120.00416.50
7.4.150.0200.00017.40
7.4.140.0100.01217.86
7.4.130.0070.01016.49
7.4.120.0110.00516.37
7.4.110.0090.00916.46
7.4.100.0160.00716.46
7.4.90.0060.01616.44
7.4.80.0100.00719.39
7.4.70.0120.00816.41
7.4.60.0150.00316.16
7.4.50.0080.00016.30
7.4.40.0100.00722.77
7.4.30.0140.00716.51
7.4.00.0060.01014.65
7.3.330.0060.00013.19
7.3.320.0000.00513.11
7.3.310.0030.00316.20
7.3.300.0040.00416.25
7.3.290.0070.00716.23
7.3.280.0080.00916.28
7.3.270.0120.00417.40
7.3.260.0140.00316.54
7.3.250.0100.01216.41
7.3.240.0130.00316.52
7.3.230.0160.00016.39
7.3.210.0110.00716.23
7.3.200.0120.00919.39
7.3.190.0110.00616.18
7.3.180.0120.00316.17
7.3.170.0090.00616.27
7.3.160.0090.00916.40
7.3.120.0070.01017.15
7.3.110.0060.00917.15
7.3.100.0000.01417.15
7.3.90.0040.01417.15
7.3.80.0040.01417.15
7.3.70.0100.00717.15
7.3.60.0060.00917.15
7.3.50.0090.00617.15
7.3.40.0030.01017.15
7.3.30.0000.00917.15
7.3.20.0040.01117.15
7.3.10.0080.00417.15
7.3.00.0110.00717.15
7.2.330.0060.01116.28
7.2.320.0130.00416.50
7.2.310.0030.01316.61
7.2.300.0090.00616.27
7.2.290.0080.00816.43
7.2.240.0040.01117.15
7.2.230.0040.01417.15
7.2.220.0040.01117.15
7.2.210.0110.00417.15
7.2.200.0100.00617.15
7.2.190.0070.01017.15
7.2.180.0090.00617.15
7.2.170.0030.01317.15
7.2.160.0090.00617.15
7.2.150.0070.01117.15
7.2.140.0040.01117.15
7.2.130.0060.00917.15
7.2.120.0120.00317.15
7.2.110.0130.00317.15
7.2.100.0070.00717.15
7.2.90.0070.01017.15
7.2.80.0030.01317.15
7.2.70.0090.00417.15
7.2.60.0080.00417.15
7.2.50.0000.01817.15
7.2.40.0070.00717.15
7.2.30.0030.01017.15
7.2.20.0040.01417.15
7.2.10.0030.01317.15
7.2.00.0060.00718.20
7.1.330.0110.00417.15
7.1.320.0070.01017.15
7.1.310.0100.00717.15
7.1.300.0060.00617.15
7.1.290.0030.00917.15
7.1.280.0000.01317.15
7.1.270.0000.01317.15
7.1.260.0000.01317.15
7.1.250.0110.00317.15
7.1.200.0040.00715.52
7.1.100.0060.00617.97
7.1.70.0000.00717.02
7.1.60.0100.01319.32
7.1.50.0070.01316.93
7.1.00.0000.04022.51
7.0.200.0030.00716.70
7.0.140.0030.08721.95
7.0.60.0070.08020.00
7.0.50.0030.08017.88
7.0.40.0100.05020.30
7.0.30.0200.04320.17
7.0.20.0430.06720.38
7.0.10.0330.07020.06
7.0.00.0130.04020.06
5.6.280.0000.07721.02
5.6.210.0030.08320.54
5.6.200.0070.07718.18
5.6.190.0030.04320.52
5.6.180.3230.03720.64
5.6.170.0170.04020.55
5.6.160.0100.08020.50
5.6.150.0000.08718.16
5.6.140.0030.06318.25
5.6.130.0000.08318.15
5.6.120.0070.04320.90
5.6.110.0030.04020.97
5.6.100.0070.03720.85
5.6.90.0100.08720.88
5.6.80.0000.04020.39
5.6.70.0230.06020.52
5.5.350.0270.07720.36
5.5.340.0030.05017.97
5.5.330.0070.09020.31
5.5.320.0330.07720.23
5.5.310.0270.08020.27
5.5.300.0030.04318.09
5.5.290.0130.07718.04
5.5.280.0030.07020.87
5.5.270.0070.08720.79
5.5.260.0030.08720.73
5.5.250.0100.07720.66
5.5.240.0270.05020.23
5.4.450.0170.08019.48
5.4.440.0170.08019.64
5.4.430.0170.05719.31
5.4.420.0330.07319.18
5.4.410.0300.07019.07
5.4.400.0270.06019.14
5.4.390.0200.07019.22
5.4.380.0200.04018.98
5.4.370.0200.04318.99
5.4.360.0170.08019.24
5.4.350.0100.07019.34
5.4.340.0130.06719.09
5.4.320.0230.07719.13
5.4.310.0170.05019.15
5.4.300.0170.07319.18
5.4.290.0170.07018.85
5.4.280.0130.07318.99
5.4.270.0330.06019.13
5.4.260.0170.08018.99
5.4.250.0070.04319.23
5.4.240.0200.03719.13
5.4.230.0170.04019.05
5.4.220.0230.03318.87
5.4.210.0100.04019.08
5.4.200.0230.03019.21
5.4.190.0170.03719.30
5.4.180.0170.03319.14
5.4.170.0200.03319.14
5.4.160.0270.03318.93
5.4.150.0170.04019.29
5.4.140.0200.03016.36
5.4.130.0200.03016.34
5.4.120.0200.03316.68
5.4.110.0130.03716.26
5.4.100.0170.04316.58
5.4.90.0330.03316.26
5.4.80.0170.03316.57
5.4.70.0200.03316.34
5.4.60.0100.04016.43
5.4.50.0070.04316.54
5.4.40.0130.06716.43
5.4.30.0030.04716.26
5.4.20.0170.07016.33
5.4.10.0230.05016.34
5.4.00.0130.05315.80
5.3.290.0270.05714.68
5.3.280.0270.03314.50
5.3.270.0130.04014.60
5.3.260.0030.04714.50
5.3.250.0100.04714.72
5.3.240.0100.04714.84
5.3.230.0130.03714.61
5.3.220.0200.03014.70
5.3.210.0230.04714.65
5.3.200.0100.04314.46
5.3.190.0170.03714.72
5.3.180.0200.03014.78
5.3.170.0030.04314.48
5.3.160.0130.03314.46
5.3.150.0130.03714.53
5.3.140.0100.06714.52
5.3.130.0170.06714.63
5.3.120.0230.06714.56
5.3.110.0170.06714.52
5.3.100.0300.05014.21
5.3.90.0230.06314.21
5.3.80.0130.07714.21
5.3.70.0200.06014.21
5.3.60.0270.04314.21
5.3.50.0070.07714.21
5.3.40.0100.07714.21
5.3.30.0130.07714.21
5.3.20.0230.04714.21
5.3.10.0300.06014.21
5.3.00.0300.07014.21
5.2.170.0030.06314.21
5.2.160.0100.05714.21
5.2.150.0170.06014.21
5.2.140.0170.06014.21
5.2.130.0170.06314.21
5.2.120.0270.05314.21
5.2.110.0130.05014.21
5.2.100.0030.06314.21
5.2.90.0070.06314.21
5.2.80.0070.05314.21
5.2.70.0130.04014.21
5.2.60.0170.04714.21
5.2.50.0170.06014.21
5.2.40.0070.03714.21
5.2.30.0070.05314.21
5.2.20.0070.06014.21
5.2.10.0100.05314.21
5.2.00.0000.05714.21
5.1.60.0030.03714.21
5.1.50.0030.04014.21
5.1.40.0100.04714.21
5.1.30.0030.06014.21
5.1.20.0070.05014.21
5.1.10.0070.05014.21
5.1.00.0030.05714.21
5.0.50.0030.04014.21
5.0.40.0070.04314.21
5.0.30.0100.06314.21
5.0.20.0070.04014.21
5.0.10.0030.04314.21
5.0.00.0000.06714.21
4.4.90.0030.03714.21
4.4.80.0070.02714.21
4.4.70.0000.03314.21
4.4.60.0000.03314.21
4.4.50.0000.03714.21
4.4.40.0000.05714.21
4.4.30.0000.02314.21
4.4.20.0030.02314.21
4.4.10.0030.03014.21
4.4.00.0030.04014.21
4.3.110.0170.02314.21
4.3.100.0000.03714.21
4.3.90.0030.02314.21
4.3.80.0070.03714.21
4.3.70.0070.01714.21
4.3.60.0030.03314.21
4.3.50.0000.03714.21
4.3.40.0000.04714.21
4.3.30.0030.03014.21
4.3.20.0030.03714.21
4.3.10.0070.02714.21
4.3.00.0030.02714.21

preferences:
41.36 ms | 400 KiB | 5 Q