3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode("{'foo': 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)
8.3.60.0040.01118.18
8.3.50.0110.01121.88
8.3.40.0090.00618.64
8.3.30.0150.00018.97
8.3.20.0030.00320.07
8.3.10.0050.00320.23
8.3.00.0090.00317.38
8.2.180.0080.00616.48
8.2.170.0040.01122.96
8.2.160.0100.00720.52
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.02
8.2.110.0000.00920.41
8.2.100.0110.00017.78
8.2.90.0050.00318.95
8.2.80.0030.00517.97
8.2.70.0040.00417.38
8.2.60.0030.00617.78
8.2.50.0040.00418.07
8.2.40.0040.00418.03
8.2.30.0040.00419.30
8.2.20.0040.00417.58
8.2.10.0050.00217.91
8.2.00.0040.00417.41
8.1.280.0100.01025.92
8.1.270.0040.00422.02
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0030.00623.84
8.1.230.0110.00019.11
8.1.220.0030.00617.74
8.1.210.0050.00318.77
8.1.200.0000.00917.23
8.1.190.0030.00617.10
8.1.180.0000.00718.10
8.1.170.0040.00418.65
8.1.160.0040.00421.90
8.1.150.0030.00518.62
8.1.140.0040.00417.27
8.1.130.0000.00717.81
8.1.120.0040.00417.36
8.1.110.0070.00017.30
8.1.100.0000.00717.36
8.1.90.0030.00717.22
8.1.80.0070.00017.25
8.1.70.0020.00517.36
8.1.60.0080.00017.45
8.1.50.0070.00017.30
8.1.40.0040.00417.38
8.1.30.0040.00417.42
8.1.20.0080.00017.52
8.1.10.0050.00317.38
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0080.00018.31
8.0.270.0000.00817.08
8.0.260.0000.00817.04
8.0.250.0000.00816.78
8.0.240.0000.00716.67
8.0.230.0000.00716.81
8.0.220.0000.00716.71
8.0.210.0040.00416.64
8.0.200.0060.00016.81
8.0.190.0060.00316.82
8.0.180.0040.00416.75
8.0.170.0070.00016.71
8.0.160.0040.00416.67
8.0.150.0030.00316.73
8.0.140.0000.00816.61
8.0.130.0000.00513.15
8.0.120.0000.00816.73
8.0.110.0040.00416.62
8.0.100.0080.00016.82
8.0.90.0000.00716.64
8.0.80.0090.00616.67
8.0.70.0040.00416.79
8.0.60.0070.00016.70
8.0.50.0050.00216.78
8.0.30.0090.01116.96
8.0.20.0190.00317.40
8.0.10.0070.00016.94
8.0.00.0110.00616.56
7.4.330.0050.00015.00
7.4.320.0000.00716.42
7.4.300.0040.00416.42
7.4.290.0000.00616.31
7.4.280.0000.00716.39
7.4.270.0060.00016.47
7.4.260.0000.01116.40
7.4.250.0000.00716.23
7.4.240.0020.00616.38
7.4.230.0060.00016.44
7.4.220.0060.01216.46
7.4.210.0110.00416.33
7.4.200.0030.00316.57
7.4.160.0120.00316.39
7.4.150.0100.01317.40
7.4.140.0090.00817.86
7.4.130.0100.00716.32
7.4.120.0090.00816.33
7.4.110.0070.01016.25
7.4.100.0130.00316.37
7.4.90.0120.00316.19
7.4.80.0060.01019.39
7.4.70.0140.00916.35
7.4.60.0030.01316.46
7.4.50.0020.00216.01
7.4.40.0030.01316.45
7.4.30.0080.01216.23
7.4.00.0070.00914.67
7.3.330.0030.00312.88
7.3.320.0000.00512.89
7.3.310.0000.00716.16
7.3.300.0000.00715.96
7.3.290.0050.01016.17
7.3.280.0070.00816.13
7.3.270.0100.00717.40
7.3.260.0060.01116.57
7.3.250.0100.00716.16
7.3.240.0110.00616.14
7.3.230.0090.00916.39
7.3.210.0110.00716.36
7.3.200.0050.01319.39
7.3.190.0120.00916.28
7.3.180.0060.01016.29
7.3.170.0060.00916.27
7.3.160.0030.01216.16
7.3.120.0060.01014.73
7.3.110.0070.01014.63
7.3.100.0120.00314.54
7.3.90.0000.01314.64
7.3.80.0090.00614.67
7.3.70.0080.00814.60
7.3.60.0000.01214.58
7.3.50.0030.00714.75
7.3.40.0070.00714.49
7.3.30.0090.00614.53
7.3.20.0030.01116.28
7.3.10.0110.00316.24
7.3.00.0060.00616.49
7.2.330.0060.01116.46
7.2.320.0080.01216.19
7.2.310.0100.00716.52
7.2.300.0150.00616.45
7.2.290.0130.00316.32
7.2.250.0040.01514.54
7.2.240.0060.01314.66
7.2.230.0070.00314.61
7.2.220.0120.00314.53
7.2.210.0090.00314.61
7.2.200.0000.01814.75
7.2.190.0030.01314.88
7.2.180.0040.00814.97
7.2.170.0030.01214.86
7.1.330.0000.01515.68
7.1.320.0070.01315.80
7.1.310.0000.01615.48
7.1.300.0120.00015.63
7.1.290.0060.00615.59
7.1.280.0060.00315.49
7.1.270.0090.00315.63
7.1.260.0040.00715.64
7.1.200.0140.00315.78
7.1.100.0030.01317.82
7.1.70.0000.00817.09
7.1.60.0060.01919.61
7.1.50.0140.01134.62
7.1.00.0030.07322.30
7.0.200.0060.00316.50
7.0.140.0030.07321.99
7.0.60.0100.07720.05
7.0.50.0000.08717.80
7.0.40.0070.08319.98
7.0.30.0500.07320.16
7.0.20.0300.07720.18
7.0.10.0130.07320.16
7.0.00.0100.07020.19
5.6.280.0000.07721.04
5.6.210.0100.07720.66
5.6.200.0030.04718.06
5.6.190.0030.04720.41
5.6.180.0400.05320.63
5.6.170.0300.07720.51
5.6.160.0030.06020.50
5.6.150.0030.07018.12
5.6.140.0070.07018.11
5.6.130.0030.05018.09
5.6.120.0100.07320.76
5.6.110.0100.08021.13
5.6.100.0100.08321.11
5.6.90.0100.08320.95
5.6.80.0100.07320.27
5.5.350.0070.06020.41
5.5.340.0070.08017.92
5.5.330.0030.04020.07
5.5.320.0370.07320.24
5.5.310.0230.07320.21
5.5.300.0070.03717.88
5.5.290.0100.06018.00
5.5.280.0130.05720.89
5.5.270.0030.04320.95
5.5.260.0170.07320.86
5.5.250.0030.06720.79
5.5.240.0100.04720.24
5.4.450.0000.05019.21
5.4.440.0300.05319.48
5.4.430.0170.04319.41
5.4.420.0270.04019.57
5.4.410.0430.04018.97
5.4.400.0130.03718.93
5.4.390.0300.04019.08
5.4.380.0230.06318.68
5.4.370.0330.05718.55
5.4.360.0470.05018.61
5.4.350.0400.05018.65
5.4.340.0470.04718.52
5.4.320.0080.03812.45
5.4.310.0100.03712.45
5.4.300.0080.03312.45
5.4.290.0020.04012.45
5.4.280.0040.03712.35
5.4.270.0070.03612.35
5.4.260.0060.04012.34
5.4.250.0020.04112.35
5.4.240.0050.03612.34
5.4.230.0070.04012.34
5.4.220.0060.03512.34
5.4.210.0050.03512.34
5.4.200.0030.05412.34
5.4.190.0070.04112.33
5.4.180.0070.03412.33
5.4.170.0080.03412.34
5.4.160.0030.03812.34
5.4.150.0050.03612.34
5.4.140.0060.03812.02
5.4.130.0070.03512.01
5.4.120.0150.03111.97
5.4.110.0060.03611.96
5.4.100.0080.03411.96
5.4.90.0100.03811.96
5.4.80.0070.03911.96
5.4.70.0060.03511.96
5.4.60.0060.04111.96
5.4.50.0060.03911.96
5.4.40.0070.03911.95
5.4.30.0050.03711.95
5.4.20.0050.03511.95
5.4.10.0090.03311.95
5.4.00.0040.03911.44
5.3.290.0090.04712.80
5.3.280.0090.04312.70
5.3.270.0070.04012.72
5.3.260.0080.03712.71
5.3.250.0070.03612.72
5.3.240.0050.03812.72
5.3.230.0090.03512.71
5.3.220.0090.03412.68
5.3.210.0070.03712.68
5.3.200.0070.03512.68
5.3.190.0060.03712.68
5.3.180.0060.03712.67
5.3.170.0050.03812.67
5.3.160.0030.04012.67
5.3.150.0030.04112.67
5.3.140.0060.03712.66
5.3.130.0060.03812.66
5.3.120.0080.04812.66
5.3.110.0090.04512.66
5.3.100.0070.03512.12
5.3.90.0050.03612.09
5.3.80.0050.03612.07
5.3.70.0060.03612.07
5.3.60.0050.03512.06
5.3.50.0070.03412.00
5.3.40.0090.03912.00
5.3.30.0060.03411.94
5.3.20.0040.04411.72
5.3.10.0070.03111.69
5.3.00.0070.03411.68
5.2.170.0050.0299.18
5.2.160.0050.0289.18
5.2.150.0110.0299.18
5.2.140.0040.0409.17
5.2.130.0070.0289.13
5.2.120.0050.0299.13
5.2.110.0030.0319.14
5.2.100.0040.0349.14
5.2.90.0020.0329.13
5.2.80.0070.0289.13
5.2.70.0020.0329.13
5.2.60.0040.0329.08
5.2.50.0070.0349.05
5.2.40.0050.0309.03
5.2.30.0050.0309.01
5.2.20.0080.0259.00
5.2.10.0030.0298.92
5.2.00.0020.0308.77
5.1.60.0020.0258.07
5.1.50.0040.0248.06
5.1.40.0030.0258.04
5.1.30.0040.0278.39
5.1.20.0030.0278.41
5.1.10.0070.0238.13
5.1.00.0050.0248.14
5.0.50.0050.0186.62
5.0.40.0020.0206.48
5.0.30.0050.0296.29
5.0.20.0020.0306.25
5.0.10.0050.0186.24
5.0.00.0050.0356.23
4.4.90.0020.0214.78
4.4.80.0010.0234.75
4.4.70.0040.0164.75
4.4.60.0080.0174.75
4.4.50.0070.0174.77
4.4.40.0040.0284.70
4.4.30.0020.0164.76
4.4.20.0010.0174.84
4.4.10.0030.0154.85
4.4.00.0030.0254.76
4.3.110.0020.0194.67
4.3.100.0050.0134.66
4.3.90.0010.0164.63
4.3.80.0020.0244.58
4.3.70.0030.0134.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0010.0264.54
4.3.30.0030.0163.28
4.3.20.0020.0173.25
4.3.10.0020.0153.21
4.3.00.0070.01716.72

preferences:
34.63 ms | 401 KiB | 5 Q