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)
8.4.120.0290.00919.04
8.4.110.0310.00817.64
8.4.100.0300.00917.40
8.4.90.0300.00718.31
8.4.80.0230.00518.03
8.4.70.0200.00918.18
8.4.60.0290.00717.66
8.4.50.0300.00818.03
8.4.40.0280.00717.69
8.4.30.0240.00817.58
8.4.20.0280.00717.98
8.4.10.0250.00817.29
8.3.250.0180.00516.96
8.3.240.0230.00716.50
8.3.230.0260.00516.36
8.3.220.0230.00716.88
8.3.210.0200.00816.56
8.3.200.0170.00516.58
8.3.190.0240.00616.67
8.3.180.0230.00816.83
8.3.170.0230.00816.70
8.3.160.0280.00617.32
8.3.150.0280.00616.61
8.3.140.0290.00716.63
8.3.130.0260.00616.56
8.3.120.0240.00516.89
8.3.110.0170.00518.55
8.3.100.0310.00616.46
8.3.90.0250.00617.57
8.3.80.0220.00618.04
8.3.70.0260.00818.00
8.3.60.0250.00618.25
8.3.50.0240.00617.97
8.3.40.0230.00518.85
8.3.30.0210.00419.32
8.3.20.0170.00520.67
8.3.10.0180.00720.83
8.3.00.0130.00720.92
8.2.290.0200.00717.04
8.2.280.0250.00916.94
8.2.270.0260.00917.01
8.2.260.0210.00616.47
8.2.250.0190.00516.63
8.2.240.0210.00616.40
8.2.230.0230.00516.92
8.2.220.0230.00518.72
8.2.210.0190.00817.48
8.2.200.0210.00717.75
8.2.190.0220.00617.90
8.2.180.0210.00518.69
8.2.170.0190.00619.26
8.2.160.0210.00819.93
8.2.150.0200.00520.65
8.2.140.0190.00520.74
8.2.130.0190.00521.31
8.2.120.0190.00520.82
8.2.110.0210.00521.00
8.2.100.0180.00620.72
8.2.90.0180.00721.00
8.2.80.0160.00620.68
8.2.70.0190.00519.49
8.2.60.0170.00520.12
8.2.50.0160.00520.12
8.2.40.0170.00520.02
8.2.30.0160.00520.12
8.2.20.0160.00720.03
8.2.10.0160.00520.14
8.2.00.0150.00620.08
8.1.330.0240.00517.41
8.1.320.0290.00716.34
8.1.310.0240.00715.96
8.1.300.0230.00716.30
8.1.290.0210.00519.25
8.1.280.0220.00618.53
8.1.270.0190.00520.76
8.1.260.0190.00521.38
8.1.250.0160.00721.52
8.1.240.0180.00620.92
8.1.230.0180.00520.66
8.1.220.0170.00620.72
8.1.210.0210.00520.57
8.1.200.0160.00620.11
8.1.190.0160.00619.91
8.1.180.0170.00519.93
8.1.170.0140.00819.89
8.1.160.0140.00720.01
8.1.150.0160.00520.02
8.1.140.0150.00620.08
8.1.130.0140.00519.70
8.1.120.0160.00619.76
8.1.110.0160.00619.72
8.1.100.0160.00519.87
8.1.90.0140.00619.72
8.1.80.0150.00719.78
8.1.70.0150.00519.56
8.1.60.0190.00519.90
8.1.50.0140.00719.77
8.1.40.0160.00519.76
8.1.30.0170.00619.85
8.1.20.0180.00519.98
8.1.10.0190.00519.72
8.1.00.0180.00519.60
8.0.300.0190.00320.33
8.0.290.0220.00519.91
8.0.280.0170.00719.56
8.0.270.0170.00419.46
8.0.260.0180.00619.51
8.0.250.0160.00519.40
8.0.240.0170.00619.39
8.0.230.0170.00619.38
8.0.220.0180.00419.34
8.0.210.0170.00619.35
8.0.200.0170.00519.42
8.0.190.0170.00619.36
8.0.180.0170.00419.37
8.0.170.0170.00519.39
8.0.160.0170.00319.38
8.0.150.0140.00619.36
8.0.140.0140.00719.24
8.0.130.0140.00619.04
8.0.120.0180.00419.22
8.0.110.0160.00519.25
8.0.100.0150.00619.10
8.0.90.0160.00519.08
8.0.80.0150.00619.09
8.0.70.0140.00519.12
8.0.60.0150.00619.08
8.0.50.0160.00519.05
8.0.30.0130.00719.12
8.0.20.0160.00518.90
8.0.10.0170.00519.06
8.0.00.0160.00718.93
7.4.330.0160.00519.28
7.4.320.0170.00619.21
7.4.300.0170.00518.96
7.4.290.0190.00419.21
7.4.280.0180.00619.20
7.4.270.0170.00419.10
7.4.260.0160.00519.06
7.4.250.0170.00519.13
7.4.240.0170.00619.08
7.4.230.0170.00618.94
7.4.220.0170.00518.95
7.4.210.0170.00518.73
7.4.200.0170.00418.96
7.4.190.0170.00519.09
7.4.180.0160.00519.14
7.4.160.0180.00518.85
7.4.150.0180.00418.75
7.4.140.0170.00518.59
7.4.130.0170.00518.60
7.4.120.0170.00618.61
7.4.110.0170.00618.57
7.4.100.0170.00618.63
7.4.90.0170.00518.60
7.4.80.0180.00518.70
7.4.70.0170.00518.61
7.4.60.0160.00618.52
7.4.50.0160.00518.47
7.4.40.0160.00518.55
7.4.30.0150.00618.59
7.4.20.0140.00818.20
7.4.10.0140.00717.96
7.4.00.0140.00717.88
7.3.330.0170.00518.80
7.3.320.0180.00418.78
7.3.310.0170.00518.96
7.3.300.0170.00418.85
7.3.290.0160.00518.84
7.3.280.0170.00618.72
7.3.270.0170.00518.64
7.3.260.0150.00718.43
7.3.250.0190.00518.63
7.3.240.0160.00618.30
7.3.230.0170.00518.55
7.3.220.0160.00618.61
7.3.210.0170.00518.50
7.3.200.0190.00418.51
7.3.190.0180.00618.52
7.3.180.0180.00618.42
7.3.170.0160.00518.53
7.3.160.0150.00518.51
7.3.150.0150.00518.32
7.3.140.0160.00518.19
7.3.130.0160.00617.84
7.3.120.0140.00617.83
7.3.110.0150.00717.85
7.3.100.0160.00617.83
7.3.90.0150.00617.84
7.3.80.0150.00717.77
7.3.70.0130.00717.64
7.3.60.0140.00717.71
7.3.50.0150.00617.56
7.3.40.0150.00617.53
7.3.30.0140.00717.48
7.3.20.0220.00617.75
7.3.10.0210.00717.56
7.3.00.0210.00617.62
7.2.340.0170.00618.50
7.2.330.0180.00618.57
7.2.320.0180.00618.55
7.2.310.0200.00518.55
7.2.300.0200.00618.51
7.2.290.0180.00618.57
7.2.280.0190.00618.56
7.2.270.0170.00618.25
7.2.260.0160.00717.90
7.2.250.0160.00717.95
7.2.240.0170.00817.93
7.2.230.0180.00817.93
7.2.220.0160.00817.82
7.2.210.0150.00817.86
7.2.200.0150.00717.80
7.2.190.0160.00617.77
7.2.180.0150.00717.63
7.2.170.0150.00717.63
7.2.160.0160.00617.59
7.2.150.0210.00717.81
7.2.140.0220.00617.83
7.2.130.0210.00717.76
7.2.120.0240.00717.77
7.2.110.0220.00717.75
7.2.100.0200.00717.77
7.2.90.0220.00717.72
7.2.80.0200.00717.75
7.2.70.0220.00717.76
7.2.60.0220.00717.78
7.2.50.0220.00617.75
7.2.40.0240.00617.77
7.2.30.0220.00717.78
7.2.20.0220.00817.82
7.2.10.0220.00817.78
7.2.00.0180.00717.75
7.1.330.0160.00617.59
7.1.320.0140.00717.48
7.1.310.0160.00517.49
7.1.300.0150.00617.40
7.1.290.0150.00617.41
7.1.280.0160.00617.26
7.1.270.0150.00717.21
7.1.260.0170.00717.14
7.1.250.0210.00616.87
7.1.240.0180.00617.26
7.1.230.0180.00617.25
7.1.220.0190.00617.25
7.1.210.0180.00717.22
7.1.200.0180.00717.23
7.1.190.0180.00717.26
7.1.180.0220.00517.21
7.1.170.0220.00617.21
7.1.160.0190.00617.28
7.1.150.0180.00717.26
7.1.140.0180.00617.22
7.1.130.0190.00617.27
7.1.120.0190.00717.24
7.1.110.0190.00617.24
7.1.100.0190.00617.24
7.1.90.0170.00617.22
7.1.80.0190.00717.25
7.1.70.0190.00617.22
7.1.60.0180.00617.24
7.1.50.0180.00617.27
7.1.40.0170.00617.22
7.1.30.0180.00617.26
7.1.20.0180.00617.18
7.1.10.0170.00717.20
7.1.00.0170.00617.22
7.0.330.0200.00616.72
7.0.320.0170.00617.16
7.0.310.0190.00617.15
7.0.300.0200.00617.13
7.0.290.0190.00617.14
7.0.280.0190.00617.18
7.0.270.0180.00517.15
7.0.260.0170.00617.18
7.0.250.0180.00517.18
7.0.240.0170.00617.21
7.0.230.0180.00617.21
7.0.220.0180.00617.21
7.0.210.0180.00717.18
7.0.200.0190.00617.20
7.0.190.0230.00617.19
7.0.180.0190.00717.18
7.0.170.0170.00617.25
7.0.160.0170.00617.19
7.0.150.0170.00717.24
7.0.140.0170.00617.23
7.0.130.0220.00517.22
7.0.120.0190.00617.23
7.0.110.0160.00717.23
7.0.100.0180.00617.15
7.0.90.0180.00617.15
7.0.80.0180.00617.16
7.0.70.0170.00517.12
7.0.60.0140.00617.15
7.0.50.0150.00617.15
7.0.40.0150.00617.20
7.0.30.0150.00617.21
7.0.20.0160.00617.14
7.0.10.0160.00617.18
7.0.00.0160.00617.14
5.6.400.0150.00817.21
5.6.390.0150.00717.15
5.6.380.0140.00816.89
5.6.370.0140.00917.39
5.6.360.0140.00917.34
5.6.350.0150.00817.33
5.6.340.0140.00917.35
5.6.330.0150.00817.35
5.6.320.0160.00917.33
5.6.310.0150.00917.33
5.6.300.0160.00817.29
5.6.290.0130.01017.34
5.6.280.0140.00817.38
5.6.270.0150.00817.36
5.6.260.0140.00817.35
5.6.250.0140.00817.34
5.6.240.0140.00817.34
5.6.230.0130.01017.35
5.6.220.0150.00717.36
5.6.210.0130.00917.35
5.6.200.0130.00917.39
5.6.190.0130.00917.39
5.6.180.0150.00917.36
5.6.170.0140.00917.41
5.6.160.0150.00917.38
5.6.150.0150.00917.36
5.6.140.0150.00817.34
5.6.130.0140.00917.37
5.6.120.0130.00917.36
5.6.110.0140.01117.35
5.6.100.0140.01017.34
5.6.90.0150.00717.54
5.6.80.0150.00717.51
5.6.70.0140.00717.34
5.6.60.0150.00917.33
5.6.50.0140.00917.31
5.6.40.0140.00817.30
5.6.30.0140.00817.30
5.6.20.0140.00817.29
5.6.10.0140.00817.30
5.6.00.0160.00817.30

preferences:
29.95 ms | 403 KiB | 5 Q