3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "{'1':{'1':'1'}}"; $arr = json_decode($str); var_dump($arr);

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)
8.3.70.0170.00318.31
8.3.60.0100.01018.18
8.3.50.0100.01221.09
8.3.40.0150.00418.43
8.3.30.0130.00018.91
8.3.20.0080.00020.19
8.3.10.0050.00323.66
8.3.00.0080.00019.13
8.2.180.0100.01016.63
8.2.170.0110.00322.96
8.2.160.0030.01220.38
8.2.150.0040.00424.18
8.2.140.0030.00524.66
8.2.130.0070.00026.16
8.2.120.0040.00422.33
8.2.110.0100.00722.20
8.2.100.0000.01217.63
8.2.90.0080.00019.09
8.2.80.0050.00317.97
8.2.70.0090.00017.48
8.2.60.0050.00517.93
8.2.50.0000.00818.07
8.2.40.0050.00319.97
8.2.30.0040.00418.05
8.2.20.0080.00017.72
8.2.10.0040.00417.93
8.2.00.0000.00817.67
8.1.280.0150.00325.92
8.1.270.0080.00022.04
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00723.92
8.1.230.0040.00719.14
8.1.220.0040.00417.79
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0090.00017.13
8.1.180.0040.00418.10
8.1.170.0060.00618.54
8.1.160.0000.00821.95
8.1.150.0040.00418.80
8.1.140.0040.00417.31
8.1.130.0000.00717.75
8.1.120.0020.00517.44
8.1.110.0040.00417.40
8.1.100.0070.00017.39
8.1.90.0040.00417.41
8.1.80.0030.00317.38
8.1.70.0000.00717.27
8.1.60.0000.00917.39
8.1.50.0030.00617.36
8.1.40.0030.00617.30
8.1.30.0030.00517.61
8.1.20.0040.00417.64
8.1.10.0080.00017.42
8.1.00.0000.00717.36
8.0.300.0040.00418.77
8.0.290.0040.00416.63
8.0.280.0050.00218.29
8.0.270.0000.00717.18
8.0.260.0000.00617.19
8.0.250.0000.00716.76
8.0.240.0000.00616.80
8.0.230.0000.00716.80
8.0.220.0080.00016.85
8.0.210.0000.00716.73
8.0.200.0030.00316.85
8.0.190.0000.00916.88
8.0.180.0040.00416.68
8.0.170.0040.00416.85
8.0.160.0000.00716.85
8.0.150.0050.00316.89
8.0.140.0040.00416.74
8.0.130.0000.00613.29
8.0.120.0070.00016.76
8.0.110.0030.00616.88
8.0.100.0030.00316.65
8.0.90.0000.00716.71
8.0.80.0060.00916.81
8.0.70.0040.00416.86
8.0.60.0070.00016.77
8.0.50.0000.00716.81
8.0.30.0120.01116.89
8.0.20.0090.01517.40
8.0.10.0000.00717.00
8.0.00.0120.00616.77
7.4.330.0020.00215.02
7.4.320.0050.00516.52
7.4.300.0070.00016.52
7.4.290.0030.00316.38
7.4.280.0000.00616.34
7.4.270.0000.00716.52
7.4.260.0050.00316.43
7.4.250.0000.00816.52
7.4.240.0040.00416.49
7.4.230.0000.00716.26
7.4.220.0090.00916.39
7.4.210.0000.01416.58
7.4.200.0030.00316.51
7.4.160.0120.00316.31
7.4.150.0130.01017.40
7.4.140.0070.01217.86
7.4.130.0100.01016.63
7.4.120.0100.00716.48
7.4.110.0160.01016.42
7.4.100.0130.00316.42
7.4.90.0030.01316.38
7.4.80.0110.00719.39
7.4.70.0040.01316.37
7.4.60.0100.00716.38
7.4.50.0000.00816.54
7.4.40.0060.01016.52
7.4.30.0080.00816.42
7.4.00.0070.00714.75
7.3.330.0000.00613.03
7.3.320.0030.00312.82
7.3.310.0040.00416.00
7.3.300.0040.00316.15
7.3.290.0100.00616.12
7.3.280.0090.00816.22
7.3.270.0170.00017.40
7.3.260.0040.01216.32
7.3.250.0080.01216.29
7.3.240.0080.00816.51
7.3.230.0120.00416.51
7.3.210.0130.00316.35
7.3.200.0060.01119.39
7.3.190.0120.00616.46
7.3.180.0070.01016.20
7.3.170.0130.00616.30
7.3.160.0120.00316.29
7.2.330.0070.01016.38
7.2.320.0110.00716.41
7.2.310.0140.00416.39
7.2.300.0130.00316.34
7.2.290.0100.00816.44
7.2.80.0100.00316.31
7.2.00.0040.00719.21
7.1.200.0040.01115.50
7.1.100.0000.00917.70
7.1.70.0030.00717.04
7.1.60.0130.01319.11
7.1.50.0100.01016.56
7.1.00.0000.08022.44
7.0.200.0040.00416.61
7.0.140.0000.07321.92
7.0.60.0070.03719.85
7.0.50.0030.08717.85
7.0.40.0130.04019.98
7.0.30.0270.07320.18
7.0.20.0330.05320.02
7.0.10.0070.07020.16
7.0.00.0070.04020.21
5.6.280.0070.07020.86
5.6.210.0070.06720.70
5.6.200.0070.08018.17
5.6.190.0070.09020.77
5.6.180.0170.04020.67
5.6.170.0130.05020.52
5.6.160.0030.09020.49
5.6.150.0030.08318.14
5.6.140.0070.07718.12
5.6.130.0030.05318.12
5.6.120.0100.04720.96
5.6.110.0000.04320.98
5.6.100.0130.07720.99
5.6.90.0130.07321.11
5.6.80.0030.03720.43
5.6.70.4430.03320.39
5.5.350.0100.07320.32
5.5.340.0100.04718.02
5.5.330.0100.06020.43
5.5.320.0300.04320.30
5.5.310.0300.08720.28
5.5.300.0130.03017.87
5.5.290.0000.05017.93
5.5.280.0070.08320.75
5.5.270.0130.08020.86
5.5.260.0100.08020.75
5.5.250.0130.05320.49
5.5.240.0300.07020.21
5.4.450.0630.06319.46
5.4.440.0670.05719.27
5.4.430.0330.06719.50
5.4.420.0800.05719.42
5.4.410.0630.06719.47
5.4.400.0330.08019.20
5.4.390.0970.06719.28
5.4.380.0830.06019.02
5.4.370.1030.07719.28
5.4.360.0630.06319.17
5.4.350.0930.06719.10
5.4.340.0060.03311.96
5.4.320.0060.03512.45
5.4.310.0040.03912.45
5.4.300.0020.04012.45
5.4.290.0070.03712.45
5.4.280.0050.03712.34
5.4.270.0060.03612.34
5.4.260.0070.03512.34
5.4.250.0060.03712.35
5.4.240.0070.03512.35
5.4.230.0080.03812.34
5.4.220.0080.03412.34
5.4.210.0070.03412.34
5.4.200.0050.03812.34
5.4.190.0040.03812.33
5.4.180.0070.03412.34
5.4.170.0050.03712.34
5.4.160.0090.03312.34
5.4.150.0060.03912.34
5.4.140.0090.03412.02
5.4.130.0080.03412.01
5.4.120.0060.03411.97
5.4.110.0070.03411.96
5.4.100.0030.03811.96
5.4.90.0090.03511.96
5.4.80.0030.03911.96
5.4.70.0050.03511.96
5.4.60.0040.03611.96
5.4.50.0050.03611.96
5.4.40.0060.03411.95
5.4.30.0070.03311.95
5.4.20.0070.03411.95
5.4.10.0050.03511.95
5.4.00.0070.03411.43
5.3.290.0090.03612.80
5.3.280.0060.03812.71
5.3.270.0040.04112.72
5.3.260.0050.04012.72
5.3.250.0070.03612.72
5.3.240.0040.03912.72
5.3.230.0120.03212.71
5.3.220.0050.03812.68
5.3.210.0050.04012.68
5.3.200.0080.03412.68
5.3.190.0070.03612.68
5.3.180.0070.03512.67
5.3.170.0040.03812.67
5.3.160.0080.03412.67
5.3.150.0040.04212.67
5.3.140.0040.03712.66
5.3.130.0080.03712.66
5.3.120.0040.04012.65
5.3.110.0030.04112.65
5.3.100.0090.03412.12
5.3.90.0060.03512.09
5.3.80.0040.03812.08
5.3.70.0060.03912.07
5.3.60.0090.03412.06
5.3.50.0050.03712.00
5.3.40.0050.03912.00
5.3.30.0060.03411.95
5.3.20.0050.03711.72
5.3.10.0100.03111.69
5.3.00.0050.03711.67
5.2.170.0060.0289.18
5.2.160.0070.0269.18
5.2.150.0050.0309.18
5.2.140.0050.0299.17
5.2.130.0040.0299.14
5.2.120.0030.0299.14
5.2.110.0030.0309.14
5.2.100.0050.0289.14
5.2.90.0050.0289.14
5.2.80.0060.0319.13
5.2.70.0070.0289.13
5.2.60.0040.0309.09
5.2.50.0040.0309.05
5.2.40.0030.0309.03
5.2.30.0030.0319.01
5.2.20.0020.0329.00
5.2.10.0060.0278.92
5.2.00.0070.0268.77
5.1.60.0020.0268.07
5.1.50.0040.0258.06
5.1.40.0090.0208.04
5.1.30.0050.0258.39
5.1.20.0030.0278.41
5.1.10.0050.0258.14
5.1.00.0030.0268.14
5.0.50.0020.0216.62
5.0.40.0030.0196.47
5.0.30.0040.0316.29
5.0.20.0030.0226.26
5.0.10.0040.0196.23
5.0.00.0020.0316.23
4.4.90.0030.0154.78
4.4.80.0030.0154.76
4.4.70.0030.0154.76
4.4.60.0030.0154.75
4.4.50.0030.0154.77
4.4.40.0010.0264.71
4.4.30.0050.0134.76
4.4.20.0030.0154.84
4.4.10.0030.0154.85
4.4.00.0020.0254.76
4.3.110.0030.0154.67
4.3.100.0030.0164.67
4.3.90.0010.0164.63
4.3.80.0010.0254.58
4.3.70.0020.0174.63
4.3.60.0020.0144.63
4.3.50.0070.0184.63
4.3.40.0020.0244.54
4.3.30.0020.0163.28
4.3.20.0030.0183.25
4.3.10.0020.0173.21
4.3.00.0200.0307.12

preferences:
57.35 ms | 401 KiB | 5 Q