3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace foo { class Bar {} define('FOO', 1); } namespace { class Bar {} define('FOO', 2); } namespace baz { var_dump(new \foo\Bar); var_dump(new \Bar); var_dump(\foo\FOO, \FOO, FOO); }

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)
8.3.60.0080.01216.63
8.3.50.0050.01218.31
8.3.40.0090.00619.00
8.3.30.0120.00418.79
8.3.20.0030.00518.78
8.3.10.0030.00620.53
8.3.00.0090.00019.38
8.2.180.0100.00716.48
8.2.170.0080.00822.96
8.2.160.0060.00918.91
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0060.00318.77
8.2.110.0060.00320.83
8.2.100.0060.00618.03
8.2.90.0030.00617.88
8.2.80.0060.00317.97
8.2.70.0050.00318.03
8.2.60.0030.00618.09
8.2.50.0040.00418.10
8.2.40.0000.00819.30
8.2.30.0070.00019.20
8.2.20.0070.00217.56
8.2.10.0060.00317.67
8.2.00.0040.00417.75
8.1.280.0160.00625.92
8.1.270.0040.00423.99
8.1.260.0090.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00622.46
8.1.230.0050.00517.77
8.1.220.0040.00417.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0080.00017.22
8.1.180.0000.00818.10
8.1.170.0040.00418.46
8.1.160.0000.00718.77
8.1.150.0040.00418.88
8.1.140.0000.00717.31
8.1.130.0000.00717.77
8.1.120.0060.00317.46
8.1.110.0080.00017.31
8.1.100.0000.00717.43
8.1.90.0000.00717.40
8.1.80.0000.00717.38
8.1.70.0070.00017.36
8.1.60.0060.00617.38
8.1.50.0000.00917.30
8.1.40.0000.00817.47
8.1.30.0040.00417.57
8.1.20.0040.00417.62
8.1.10.0040.00417.50
8.1.00.0000.00817.34
8.0.300.0150.00018.77
8.0.290.0040.00416.88
8.0.280.0000.00718.43
8.0.270.0040.00417.25
8.0.260.0030.00316.91
8.0.250.0000.00716.99
8.0.240.0000.00717.03
8.0.230.0050.00316.98
8.0.220.0040.00416.91
8.0.210.0050.00317.03
8.0.200.0000.00717.02
8.0.190.0000.00716.92
8.0.180.0070.00016.98
8.0.170.0040.00416.81
8.0.160.0040.00316.94
8.0.150.0040.00416.79
8.0.140.0000.00716.79
8.0.130.0050.00013.35
8.0.120.0040.00416.82
8.0.110.0000.00716.78
8.0.100.0040.00416.98
8.0.90.0000.00716.87
8.0.80.0120.00916.99
8.0.70.0070.00016.98
8.0.60.0040.00417.02
8.0.50.0020.00517.02
8.0.30.0110.00717.20
8.0.20.0110.01017.21
8.0.10.0040.00416.98
8.0.00.0090.01316.83
7.4.330.0000.00612.95
7.4.320.0000.00716.38
7.4.300.0000.00816.46
7.4.290.0000.00716.51
7.4.280.0040.00416.59
7.4.270.0000.00716.50
7.4.260.0060.00013.23
7.4.250.0040.00416.42
7.4.240.0000.00716.56
7.4.230.0030.00316.45
7.4.220.0100.01416.52
7.4.210.0110.00416.44
7.4.200.0070.00016.53
7.4.190.0030.00316.63
7.4.160.0120.00616.73
7.4.150.0110.00616.32
7.4.140.0140.00416.52
7.4.130.0100.00716.41
7.4.120.0110.00616.57
7.4.110.0030.01316.80
7.4.100.0070.01016.53
7.4.90.0060.01816.67
7.4.80.0090.00919.39
7.4.70.0030.01416.49
7.4.60.0030.01316.56
7.4.50.0030.00316.53
7.4.40.0030.01016.36
7.4.30.0100.00716.53
7.4.00.0060.00915.04
7.3.330.0000.00613.22
7.3.320.0060.00013.27
7.3.310.0030.00316.21
7.3.300.0030.00316.32
7.3.290.0040.01316.32
7.3.280.0070.00916.28
7.3.270.0100.00616.36
7.3.260.0090.00916.34
7.3.250.0050.01416.46
7.3.240.0090.00816.46
7.3.230.0060.01016.47
7.3.210.0170.00316.39
7.3.200.0160.00316.59
7.3.190.0120.00916.50
7.3.180.0040.01216.36
7.3.170.0070.00716.50
7.3.160.0090.00616.39
7.3.120.0030.00914.70
7.2.330.0140.00316.61
7.2.320.0060.01116.64
7.2.310.0110.00816.77
7.2.300.0140.00316.39
7.2.290.0090.01216.64
7.2.60.0030.01016.87
7.2.00.0000.01119.14
7.1.200.0240.00715.32
7.1.100.0060.00917.95
7.1.70.0030.00517.21
7.1.60.0100.01419.17
7.1.50.0070.01716.73
7.1.00.0030.04322.45
7.0.200.0030.00616.56
7.0.140.0100.07022.18
7.0.120.0070.06322.13
7.0.60.0200.07019.82
7.0.50.0100.07717.89
7.0.40.0300.05720.24
7.0.30.0170.06720.19
7.0.20.0400.06720.26
7.0.10.0300.08320.18
7.0.00.0230.08720.01
5.6.280.0100.06720.97
5.6.210.0100.07020.54
5.6.200.0100.07018.27
5.6.190.0230.07020.77
5.6.180.0230.08320.55
5.6.170.0330.07720.67
5.6.160.0430.06320.50
5.6.150.0300.08320.50
5.6.140.0330.07720.41
5.6.130.0430.07020.53
5.6.120.0270.07720.18
5.6.110.0230.04320.16
5.6.100.0270.08020.16
5.6.90.0270.05720.21
5.6.80.0330.07019.56
5.6.70.0300.06719.68
5.6.60.0270.04719.87
5.6.50.0270.06319.73
5.6.40.0370.07319.53
5.6.30.0370.06719.77
5.6.20.0270.03719.77
5.6.10.0230.04019.86
5.6.00.0230.04319.51
5.5.350.0200.04320.45
5.5.340.0070.08317.92
5.5.330.0270.06320.31
5.5.320.0270.08020.38
5.5.310.0330.07320.27
5.5.300.0370.06320.21
5.5.290.0230.07720.21
5.5.280.0270.06020.14
5.5.270.0270.08020.29
5.5.260.0270.08720.20
5.5.250.0330.07320.00
5.5.240.0270.07319.68
5.5.230.0270.06019.35
5.5.220.0230.06719.70
5.5.210.0370.06719.68
5.5.200.0270.07719.50
5.5.190.0330.04719.49
5.5.180.0200.04319.47
5.5.160.0200.04019.65
5.5.150.0170.04319.52
5.5.140.0200.03719.52
5.5.130.0270.03019.55
5.5.120.0170.04319.49
5.5.110.0230.03319.66
5.5.100.0200.03719.38
5.5.90.0270.03019.38
5.5.80.0270.04019.45
5.5.70.0170.04019.56
5.5.60.0230.03319.22
5.5.50.0100.04719.21
5.5.40.0230.04019.27
5.5.30.0100.04719.48
5.5.20.0170.04319.27
5.5.10.0230.04319.32
5.5.00.0230.03319.45
5.4.450.0400.06719.40
5.4.440.0300.04719.42
5.4.430.0300.06719.57
5.4.420.0270.05719.32
5.4.410.0330.07019.44
5.4.400.0300.05719.20
5.4.390.0330.07319.25
5.4.380.0330.03319.21
5.4.370.0330.07018.88
5.4.360.0330.06018.94
5.4.350.0300.06019.21
5.4.340.0200.04318.85
5.4.320.0200.04019.12
5.4.310.0100.04719.08
5.4.300.0170.03719.26
5.4.290.0170.03719.16
5.4.280.0170.03719.14
5.4.270.0300.02719.23
5.4.260.0170.04019.24
5.4.250.0230.03318.84
5.4.240.0170.03719.14
5.4.230.0230.03319.11
5.4.220.0330.03319.24
5.4.210.0170.04018.84
5.4.200.0200.04019.11
5.4.190.0200.03719.23
5.4.180.0200.03718.84
5.4.170.0200.03718.85
5.4.160.0270.03319.13
5.4.150.0170.04718.83
5.4.140.0230.03716.55
5.4.130.0200.03316.48
5.4.120.0170.03716.42
5.4.110.0130.04716.36
5.4.100.0170.04016.44
5.4.90.0170.03716.51
5.4.80.0270.05716.34
5.4.70.0230.07016.43
5.4.60.0270.04316.65
5.4.50.0200.03716.45
5.4.40.0200.03716.32
5.4.30.0270.05716.49
5.4.20.0300.07016.26
5.4.10.0300.07016.38
5.4.00.0370.03715.94
5.3.290.0230.03314.71
5.3.280.0170.03714.57
5.3.270.0130.04314.67
5.3.260.0100.04314.67
5.3.250.0170.03714.59
5.3.240.0200.03714.60
5.3.230.0230.03014.75
5.3.220.0270.02714.59
5.3.210.0230.03714.57
5.3.200.0300.06314.61
5.3.190.0230.05314.45
5.3.180.0330.04014.61
5.3.170.0300.04314.58
5.3.160.0230.06014.55
5.3.150.0170.05014.48
5.3.140.0230.04314.54
5.3.130.0630.04314.70
5.3.120.0300.06014.43
5.3.110.0230.04314.46
5.3.100.0230.05314.02
5.3.90.0300.07714.06
5.3.80.0370.06714.06
5.3.70.0300.06713.96
5.3.60.0270.04714.00
5.3.50.0270.04014.09
5.3.40.0300.03714.00
5.3.30.0200.05013.91
5.3.20.0300.06313.75
5.3.10.0430.05313.65
5.3.00.0370.06313.58
5.2.170.0300.05312.69
5.2.160.0230.03712.69
5.2.150.0170.05012.69
5.2.140.0300.03312.69
5.2.130.0300.03012.69
5.2.120.0270.05712.69
5.2.110.0300.03712.69
5.2.100.0270.03312.69
5.2.90.0230.03712.69
5.2.80.0270.04312.69
5.2.70.0270.05712.69
5.2.60.0330.03712.69
5.2.50.0230.02712.69
5.2.40.0200.02312.69
5.2.30.0130.03012.69
5.2.20.0100.03312.69
5.2.10.0200.03712.69
5.2.00.0200.04312.69
5.1.60.0100.02712.69
5.1.50.0230.03012.69
5.1.40.0170.03712.69
5.1.30.0300.04012.69
5.1.20.0270.04712.69
5.1.10.0170.03012.69
5.1.00.0170.02712.69
5.0.50.0130.04312.69
5.0.40.0070.03312.69
5.0.30.0100.06712.69
5.0.20.0170.03712.69
5.0.10.0130.04012.69
5.0.00.0200.05312.69
4.4.90.0130.02012.69
4.4.80.0070.01712.69
4.4.70.0130.03312.69
4.4.60.0100.03312.69
4.4.50.0130.02012.69
4.4.40.0070.02712.69
4.4.30.0130.03012.69
4.4.20.0130.02312.69
4.4.10.0070.01712.69
4.4.00.0130.05012.69
4.3.110.0130.01712.69
4.3.100.0130.02712.69
4.3.90.0100.02312.69
4.3.80.0130.04712.69
4.3.70.0130.03312.69
4.3.60.0170.03012.69
4.3.50.0170.03012.69
4.3.40.0070.03312.69
4.3.30.0070.01712.69
4.3.20.0070.03712.69
4.3.10.0070.03312.69
4.3.00.0070.02712.69

preferences:
39.01 ms | 401 KiB | 5 Q