3v4l.org

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

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)
8.3.40.0070.00718.85
8.3.30.0140.00318.79
8.3.20.0070.00020.31
8.3.10.0050.00323.56
8.3.00.0080.00020.89
8.2.170.0100.00322.96
8.2.160.0100.00320.35
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00926.16
8.2.120.0040.00420.68
8.2.110.0070.00319.30
8.2.100.0170.00719.75
8.2.90.0120.00918.16
8.2.80.0150.00617.55
8.2.70.0130.00717.37
8.2.60.0160.00417.91
8.2.50.0160.00417.40
8.2.40.0140.00418.24
8.2.30.0130.00517.54
8.2.20.0120.00617.41
8.2.10.0120.00617.52
8.2.00.0080.00917.42
8.1.270.0050.00324.01
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.89
8.1.230.0160.00317.86
8.1.220.0170.00218.21
8.1.210.0160.00217.95
8.1.200.0130.00616.97
8.1.190.0120.00616.91
8.1.180.0140.00517.24
8.1.170.0150.00417.46
8.1.160.0130.00418.52
8.1.150.0130.00517.29
8.1.140.0120.00817.60
8.1.130.0120.00517.37
8.1.120.0130.00417.03
8.1.110.0120.00517.18
8.1.100.0120.00617.15
8.1.90.0110.00817.74
8.1.80.0150.00317.30
8.1.70.0120.00517.30
8.1.60.0150.00417.19
8.1.50.0140.00417.20
8.1.40.0140.00417.29
8.1.30.0160.00217.29
8.1.20.0140.00217.38
8.1.10.0110.00317.20
8.1.00.0130.00317.02
8.0.300.0080.00517.62
8.0.290.0100.00516.50
8.0.280.0080.00617.06
8.0.270.0090.00616.64
8.0.260.0060.00816.75
8.0.250.0120.00216.57
8.0.240.0070.00816.59
8.0.230.0090.00616.56
8.0.220.0070.00716.57
8.0.210.0100.00516.46
8.0.200.0070.00716.65
8.0.190.0080.00416.68
8.0.180.0110.00316.59
8.0.170.0090.00417.24
8.0.160.0070.00616.63
8.0.150.0070.00716.60
8.0.140.0060.00716.56
8.0.130.0070.00515.34
8.0.120.0090.00415.74
8.0.110.0070.00515.70
8.0.100.0080.00515.67
8.0.90.0080.00515.68
8.0.80.0090.00715.82
8.0.70.0090.00415.74
8.0.60.0060.00615.75
8.0.50.0080.00415.71
8.0.30.0100.00716.30
8.0.20.0080.00816.27
8.0.10.0090.00315.83
8.0.00.0100.00715.90
7.4.330.0100.00315.11
7.4.320.0080.00817.01
7.4.300.0160.00416.28
7.4.290.0120.00516.26
7.4.280.0140.00316.30
7.4.270.0140.00316.29
7.4.260.0110.00616.30
7.4.250.0110.00415.55
7.4.240.0070.00715.66
7.4.230.0100.00615.53
7.4.220.0120.00615.48
7.4.210.0110.00515.49
7.4.200.0120.00315.37
7.4.190.0100.00515.47
7.4.180.0160.00315.19
7.4.160.0140.00515.49
7.4.150.0140.00315.75
7.4.140.0130.00516.28
7.4.130.0110.00715.61
7.4.120.0120.00415.52
7.4.110.0130.00415.44
7.4.100.0090.00715.56
7.4.90.0080.00815.42
7.4.80.0100.00716.21
7.4.70.0120.00415.52
7.4.60.0110.00515.42
7.4.50.0070.00815.37
7.4.40.0120.00415.38
7.4.30.0110.00615.44
7.4.20.0150.00115.13
7.4.10.0110.00615.02
7.4.00.0080.00914.95
7.3.330.0130.00215.09
7.3.320.0110.00214.52
7.3.310.0100.00515.38
7.3.300.0100.00515.36
7.3.290.0120.00615.41
7.3.280.0110.00715.58
7.3.270.0130.00515.67
7.3.260.0120.00615.39
7.3.250.0120.00615.45
7.3.240.0100.00615.38
7.3.230.0120.00415.42
7.3.220.0120.00515.16
7.3.210.0140.00415.34
7.3.200.0130.00316.15
7.3.190.0130.00415.34
7.3.180.0130.00315.40
7.3.170.0110.00615.35
7.3.160.0130.00515.31
7.3.150.0130.00315.12
7.3.140.0160.00215.06
7.3.130.0130.00414.90
7.3.120.0080.00814.90
7.3.110.0120.00614.87
7.3.100.0100.00414.87
7.3.90.0110.00214.97
7.3.80.0120.00314.80
7.3.70.0090.00515.01
7.3.60.0110.00315.04
7.3.50.0100.00514.98
7.3.40.0120.00314.96
7.3.30.0100.00515.04
7.3.20.0110.00516.73
7.3.10.0100.00416.50
7.3.00.0070.00716.72
7.2.340.0140.00315.14
7.2.330.0120.00515.39
7.2.320.0090.01015.37
7.2.310.0070.01015.40
7.2.300.0110.00715.45
7.2.290.0130.00615.44
7.2.280.0130.00415.09
7.2.270.0130.00415.05
7.2.260.0100.00815.01
7.2.250.0140.00314.99
7.2.240.0130.00415.10
7.2.230.0120.00415.14
7.2.220.0110.00615.04
7.2.210.0130.00314.90
7.2.200.0130.00415.17
7.2.190.0120.00515.08
7.2.180.0120.00415.01
7.2.170.0130.00415.18
7.2.160.0130.00415.06
7.2.150.0140.00316.78
7.2.140.0090.00716.90
7.2.130.0100.00616.84
7.2.120.0130.00316.90
7.2.110.0100.00416.80
7.2.100.0070.00916.83
7.2.90.0110.00616.71
7.2.80.0100.00616.90
7.2.70.0080.00916.84
7.2.60.0110.00516.79
7.2.50.0090.00716.83
7.2.40.0120.00416.82
7.2.30.0110.00516.80
7.2.20.0100.00616.91
7.2.10.0100.00616.87
7.2.00.0100.00717.30
7.1.330.0090.00715.84
7.1.320.0120.00316.05
7.1.310.0110.00415.85
7.1.300.0080.00715.98
7.1.290.0130.00315.93
7.1.280.0120.00515.87
7.1.270.0120.00415.91
7.1.260.0110.00415.87
7.1.250.0080.00715.68
7.1.240.0090.00515.81
7.1.230.0090.00715.91
7.1.220.0100.00715.91
7.1.210.0070.00815.86
7.1.200.0080.00615.62
7.1.190.0090.00715.80
7.1.180.0120.00215.82
7.1.170.0110.00315.75
7.1.160.0100.00615.76
7.1.150.0120.00315.88
7.1.140.0100.00415.82
7.1.130.0120.00315.87
7.1.120.0120.00515.80
7.1.110.0100.00515.84
7.1.100.0090.00616.13
7.1.90.0120.00315.68
7.1.80.0090.00615.87
7.1.70.0090.00515.91
7.1.60.0100.00516.01
7.1.50.0080.00815.96
7.1.40.0080.00615.81
7.1.30.0080.00715.86
7.1.20.0100.00515.84
7.1.10.0100.00315.81
7.1.00.0080.01916.91
7.0.330.0120.00515.54
7.0.320.0110.00415.45
7.0.310.0110.00515.43
7.0.300.0100.00515.44
7.0.290.0110.00415.56
7.0.280.0090.00715.53
7.0.270.0110.00515.45
7.0.260.0110.00315.52
7.0.250.0120.00515.53
7.0.240.0090.00615.59
7.0.230.0110.00515.51
7.0.220.0120.00315.46
7.0.210.0110.00515.43
7.0.200.0100.00515.68
7.0.190.0090.00715.60
7.0.180.0140.00215.48
7.0.170.0090.00715.56
7.0.160.0080.00515.54
7.0.150.0110.00515.49
7.0.140.0090.01516.51
7.0.130.0120.00315.53
7.0.120.0100.00515.55
7.0.110.0110.00515.58
7.0.100.0120.00415.45
7.0.90.0130.00415.46
7.0.80.0100.00415.40
7.0.70.0080.00715.51
7.0.60.0100.01416.25
7.0.50.0080.02015.84
7.0.40.0090.01915.58
7.0.30.0140.01315.62
7.0.20.0110.01715.50
7.0.10.0110.01915.66
7.0.00.0080.02115.66
5.6.400.0070.00814.66
5.6.390.0110.00314.60
5.6.380.0090.00514.53
5.6.370.0110.00514.56
5.6.360.0090.00514.58
5.6.350.0110.00414.54
5.6.340.0110.00414.47
5.6.330.0060.00814.52
5.6.320.0100.00514.54
5.6.310.0070.00814.51
5.6.300.0110.00414.45
5.6.290.0090.00414.42
5.6.280.0080.01715.58
5.6.270.0070.00614.48
5.6.260.0100.00614.54
5.6.250.0120.00314.47
5.6.240.0100.00514.53
5.6.230.0090.00414.50
5.6.220.0100.00414.54
5.6.210.0080.01415.55
5.6.200.0080.01115.01
5.6.190.0100.01015.57
5.6.180.0760.01115.53
5.6.170.0120.01715.53
5.6.160.0070.01915.53
5.6.150.0080.01115.08
5.6.140.0090.01415.10
5.6.130.0080.01315.13
5.6.120.0100.01415.48
5.6.110.0070.01215.54
5.6.100.0090.01015.52
5.6.90.0100.01815.61
5.6.80.0060.01815.51
5.6.70.0110.01715.47
5.6.60.0090.00514.63
5.6.50.0090.00514.32
5.6.40.0080.00614.50
5.6.30.0110.00314.42
5.6.20.0080.00514.41
5.6.10.0070.00714.43
5.6.00.0090.00514.47
5.5.380.0090.00513.90
5.5.370.0100.00313.85
5.5.360.0080.00613.80
5.5.350.0100.02015.09
5.5.340.0120.01514.69
5.5.330.0130.01715.03
5.5.320.0170.01815.04
5.5.310.0120.01215.15
5.5.300.0060.01914.64
5.5.290.0090.01214.52
5.5.280.0120.01315.12
5.5.270.0110.01115.14
5.5.260.0080.01915.15
5.5.250.0090.01215.25
5.5.240.0110.01315.11
5.5.230.0100.00413.76
5.5.220.0090.00413.82
5.5.210.0090.00513.89
5.5.200.0120.00413.66
5.5.190.0080.00513.76
5.5.180.0070.00713.70
5.5.170.0090.00313.74
5.5.160.0070.00713.74
5.5.150.0060.00713.71
5.5.140.0090.00413.71
5.5.130.0100.00313.66
5.5.120.0070.00513.67
5.5.110.0060.00713.67
5.5.100.0090.00413.80
5.5.90.0090.00413.75
5.5.80.0120.00113.79
5.5.70.0090.00513.85
5.5.60.0090.00413.81
5.5.50.0080.00613.88
5.5.40.0080.00413.74
5.5.30.0080.00413.84
5.5.20.0060.00713.77
5.5.10.0100.00213.81
5.5.00.0110.00213.76
5.4.450.0190.01614.66
5.4.440.0190.01514.63
5.4.430.0090.01314.68
5.4.420.0190.00314.62
5.4.410.0100.01414.50
5.4.400.0110.01414.47
5.4.390.0110.01514.45
5.4.380.0090.01314.45
5.4.370.0080.01414.40
5.4.360.0090.01314.45
5.4.350.0060.01213.14
5.4.340.0070.01213.07
5.4.330.0090.00213.34
5.4.320.0090.01113.24
5.4.310.0090.01013.21
5.4.300.0080.01113.21
5.4.290.0080.01413.18
5.4.280.0080.01513.16
5.4.270.0080.01113.19
5.4.260.0090.00913.21
5.4.250.0070.01213.17
5.4.240.0070.01213.17
5.4.230.0070.01313.17
5.4.220.0050.01313.18
5.4.210.0090.01013.14
5.4.200.0070.01113.13
5.4.190.0060.01313.14
5.4.180.0060.01113.17
5.4.170.0090.00913.16
5.4.160.0080.01113.16
5.4.150.0090.00913.16
5.4.140.0080.01113.10
5.4.130.0080.01013.11
5.4.120.0070.01213.08
5.4.110.0090.01013.13
5.4.100.0070.01113.10
5.4.90.0090.00813.10
5.4.80.0060.01213.13
5.4.70.0090.01013.09
5.4.60.0070.01113.09
5.4.50.0080.01113.08
5.4.40.0070.01213.07
5.4.30.0090.01013.10
5.4.20.0080.01013.10
5.4.10.0080.01113.11
5.4.00.0090.00912.96
5.3.290.0060.01413.34
5.3.280.0080.01113.29
5.3.270.0090.01013.33
5.3.260.0060.01313.37
5.3.250.0080.01113.31
5.3.240.0070.01213.35
5.3.230.0060.01313.37
5.3.220.0090.01013.35
5.3.210.0080.01113.32
5.3.200.0080.01013.32
5.3.190.0100.00913.33
5.3.180.0080.01413.38
5.3.170.0090.01013.33
5.3.160.0070.01313.35
5.3.150.0080.01013.39
5.3.140.0070.01113.38
5.3.130.0070.01313.38
5.3.120.0080.01113.32
5.3.110.0090.01113.36
5.3.100.0090.01013.27
5.3.90.0080.01013.26
5.3.80.0090.01013.15
5.3.70.0060.01113.23
5.3.60.0080.01213.19
5.3.50.0080.01613.21
5.3.40.0080.01213.21
5.3.30.0070.01213.22
5.3.20.0100.01013.11
5.3.10.0070.01113.06
5.3.00.0070.01113.05

preferences:
39.73 ms | 400 KiB | 5 Q