3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(null instanceof Countable);

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)
8.3.60.0120.00320.13
8.3.50.0130.00317.96
8.3.40.0110.00619.12
8.3.30.0230.00320.82
8.3.20.0110.00523.59
8.3.10.0080.00523.99
8.3.00.0100.00623.68
8.2.180.0150.00325.92
8.2.170.0050.00920.88
8.2.160.0140.01022.22
8.2.150.0160.00623.41
8.2.140.0100.00523.71
8.2.130.0090.00524.56
8.2.120.0110.00523.42
8.2.110.0100.00623.83
8.2.100.0110.00723.11
8.2.90.0100.00823.74
8.2.80.0100.00623.17
8.2.70.0150.00519.95
8.2.60.0110.00621.32
8.2.50.0100.00521.32
8.2.40.0120.00421.02
8.2.30.0110.00521.25
8.2.20.0100.00721.04
8.2.10.0100.00521.27
8.2.00.0090.00621.17
8.1.280.0100.00725.92
8.1.270.0110.00324.03
8.1.260.0100.00424.89
8.1.250.0070.00725.23
8.1.240.0110.00623.94
8.1.230.0150.00323.26
8.1.220.0100.00723.34
8.1.210.0120.00423.21
8.1.200.0100.00621.67
8.1.190.0120.00521.18
8.1.180.0120.00521.22
8.1.170.0070.00820.94
8.1.160.0070.00821.17
8.1.150.0100.00521.16
8.1.140.0090.00721.31
8.1.130.0090.00520.39
8.1.120.0100.00520.59
8.1.110.0110.00520.54
8.1.100.0110.00520.78
8.1.90.0110.00520.57
8.1.80.0090.00620.68
8.1.70.0100.00620.15
8.1.60.0130.00620.79
8.1.50.0100.00720.63
8.1.40.0140.00420.61
8.1.30.0130.00520.69
8.1.20.0120.00520.85
8.1.10.0140.00520.44
8.1.00.0130.00420.32
8.0.300.0120.00323.23
8.0.290.0200.00322.02
8.0.280.0120.00620.78
8.0.270.0090.00420.65
8.0.260.0120.00520.62
8.0.250.0110.00420.36
8.0.240.0130.00520.39
8.0.230.0110.00620.36
8.0.220.0110.00420.39
8.0.210.0120.00620.36
8.0.200.0120.00520.42
8.0.190.0130.00520.35
8.0.180.0120.00420.38
8.0.170.0130.00520.35
8.0.160.0140.00320.37
8.0.150.0110.00620.34
8.0.140.0120.00720.06
8.0.130.0110.00619.77
8.0.120.0130.00420.06
8.0.110.0120.00520.10
8.0.100.0110.00619.82
8.0.90.0140.00519.83
8.0.80.0110.00619.80
8.0.70.0100.00519.82
8.0.60.0130.00619.80
8.0.50.0130.00519.81
8.0.30.0080.00719.78
8.0.20.0120.00519.33
8.0.10.0120.00519.55
8.0.00.0130.00619.27
7.4.330.0130.00520.31
7.4.320.0130.00620.26
7.4.300.0150.00619.69
7.4.290.0190.00420.25
7.4.280.0180.00520.28
7.4.270.0170.00419.99
7.4.260.0140.00519.96
7.4.250.0150.00519.97
7.4.240.0150.00519.97
7.4.230.0150.00619.71
7.4.220.0150.00519.73
7.4.210.0140.00619.29
7.4.200.0150.00519.72
7.4.190.0160.00519.99
7.4.180.0130.00520.03
7.4.160.0160.00519.49
7.4.150.0150.00519.29
7.4.140.0150.00518.97
7.4.130.0140.00519.10
7.4.120.0140.00619.09
7.4.110.0150.00619.06
7.4.100.0150.00619.11
7.4.90.0140.00619.08
7.4.80.0160.00519.25
7.4.70.0150.00519.07
7.4.60.0130.00718.92
7.4.50.0140.00518.90
7.4.40.0140.00519.03
7.4.30.0120.00719.09
7.4.20.0110.00818.41
7.4.10.0120.00718.08
7.4.00.0110.00717.96
7.3.330.0140.00519.68
7.3.320.0160.00419.64
7.3.310.0150.00519.93
7.3.300.0140.00419.65
7.3.290.0140.00519.64
7.3.280.0140.00719.41
7.3.270.0150.00519.22
7.3.260.0140.00718.58
7.3.250.0170.00619.22
7.3.240.0150.00618.62
7.3.230.0160.00419.05
7.3.220.0140.00619.21
7.3.210.0150.00519.03
7.3.200.0160.00419.01
7.3.190.0160.00619.03
7.3.180.0140.00718.86
7.3.170.0150.00519.06
7.3.160.0140.00618.99
7.3.150.0130.00618.71
7.3.140.0150.00618.47
7.3.130.0150.00617.95
7.3.120.0130.00717.94
7.3.110.0120.00717.99
7.3.100.0130.00617.95
7.3.90.0140.00717.89
7.3.80.0110.00817.84
7.3.70.0110.00817.64
7.3.60.0120.00717.74
7.3.50.0120.00617.54
7.3.40.0120.00717.49
7.3.30.0120.00817.42
7.3.20.0200.00717.64
7.3.10.0200.00717.41
7.3.00.0210.00617.50
7.2.340.0160.00618.89
7.2.330.0170.00719.06
7.2.320.0170.00719.04
7.2.310.0190.00519.06
7.2.300.0190.00619.02
7.2.290.0170.00719.06
7.2.280.0190.00619.04
7.2.270.0160.00718.52
7.2.260.0140.00718.01
7.2.250.0150.00718.04
7.2.240.0140.00818.01
7.2.230.0160.00718.05
7.2.220.0140.00817.90
7.2.210.0130.00817.91
7.2.200.0130.00717.81
7.2.190.0140.00617.79
7.2.180.0130.00817.60
7.2.170.0130.00817.60
7.2.160.0140.00617.51
7.2.150.0190.00817.68
7.2.140.0210.00717.73
7.2.130.0200.00717.59
7.2.120.0240.00817.62
7.2.110.0220.00717.59
7.2.100.0190.00817.60
7.2.90.0210.00717.59
7.2.80.0190.00717.60
7.2.70.0210.00817.58
7.2.60.0210.00717.64
7.2.50.0220.00617.59
7.2.40.0230.00617.64
7.2.30.0220.00717.61
7.2.20.0220.00717.65
7.2.10.0210.00817.61
7.2.00.0160.00717.60
7.1.330.0140.00717.68
7.1.320.0130.00717.53
7.1.310.0130.00617.51
7.1.300.0140.00617.44
7.1.290.0130.00717.44
7.1.280.0140.00617.24
7.1.270.0150.00717.17
7.1.260.0150.00717.08
7.1.250.0220.00616.79
7.1.240.0170.00717.24
7.1.230.0170.00717.21
7.1.220.0190.00717.22
7.1.210.0180.00717.18
7.1.200.0170.00717.20
7.1.190.0170.00717.21
7.1.180.0210.00617.18
7.1.170.0200.00617.21
7.1.160.0190.00617.27
7.1.150.0170.00817.23
7.1.140.0170.00717.21
7.1.130.0200.00717.24
7.1.120.0190.00717.22
7.1.110.0190.00717.22
7.1.100.0200.00617.21
7.1.90.0170.00617.23
7.1.80.0190.00717.22
7.1.70.0170.00617.22
7.1.60.0180.00717.22
7.1.50.0170.00717.25
7.1.40.0160.00617.22
7.1.30.0180.00617.24
7.1.20.0180.00617.18
7.1.10.0160.00717.18
7.1.00.0160.00717.18
7.0.330.0200.00716.59
7.0.320.0170.00717.16
7.0.310.0190.00617.09
7.0.300.0180.00617.08
7.0.290.0180.00717.11
7.0.280.0200.00617.15
7.0.270.0180.00617.10
7.0.260.0180.00717.13
7.0.250.0180.00617.12
7.0.240.0180.00617.13
7.0.230.0180.00717.16
7.0.220.0180.00617.17
7.0.210.0180.00717.14
7.0.200.0180.00617.13
7.0.190.0190.00617.17
7.0.180.0180.00717.16
7.0.170.0160.00617.18
7.0.160.0170.00717.14
7.0.150.0170.00717.20
7.0.140.0170.00717.20
7.0.130.0220.00517.16
7.0.120.0200.00617.16
7.0.110.0160.00717.18
7.0.100.0170.00717.09
7.0.90.0170.00717.09
7.0.80.0150.00717.12
7.0.70.0160.00517.08
7.0.60.0130.00717.10
7.0.50.0140.00617.11
7.0.40.0150.00717.16
7.0.30.0150.00617.15
7.0.20.0160.00717.11
7.0.10.0160.00617.12
7.0.00.0150.00717.11
5.6.400.0140.00917.18
5.6.390.0140.00817.14
5.6.380.0140.00916.79
5.6.370.0130.01117.43
5.6.360.0130.01017.38
5.6.350.0140.00917.36
5.6.340.0130.01017.37
5.6.330.0140.00917.39
5.6.320.0150.01017.39
5.6.310.0130.01017.38
5.6.300.0140.00817.36
5.6.290.0120.01117.40
5.6.280.0130.00917.42
5.6.270.0130.00917.39
5.6.260.0130.00917.40
5.6.250.0140.00917.37
5.6.240.0130.00917.39
5.6.230.0120.01117.38
5.6.220.0140.00917.39
5.6.210.0120.01017.39
5.6.200.0130.00917.40
5.6.190.0110.01017.42
5.6.180.0140.01017.38
5.6.170.0130.01017.43
5.6.160.0140.00917.38
5.6.150.0140.01017.37
5.6.140.0140.01017.36
5.6.130.0130.01017.38
5.6.120.0120.01017.39
5.6.110.0120.01317.40
5.6.100.0120.01117.39
5.6.90.0130.00917.40
5.6.80.0140.00917.35
5.6.70.0130.00817.37
5.6.60.0130.01017.35
5.6.50.0130.01017.33
5.6.40.0130.00917.34
5.6.30.0130.00917.35
5.6.20.0120.01017.33
5.6.10.0130.00917.34
5.6.00.0150.00917.34

preferences:
37.87 ms | 401 KiB | 5 Q