3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode("B")); var_dump(json_last_error());

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)
8.3.60.0100.01016.73
8.3.50.0110.00621.94
8.3.40.0070.00718.71
8.3.30.0040.01118.84
8.3.20.0040.00420.23
8.3.10.0040.00423.53
8.3.00.0040.00419.11
8.2.180.0070.00718.25
8.2.170.0070.00722.96
8.2.160.0130.00020.57
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00420.85
8.2.110.0000.00922.12
8.2.100.0080.00418.73
8.2.90.0040.00417.63
8.2.80.0040.00417.97
8.2.70.0030.00517.80
8.2.60.0000.00717.80
8.2.50.0050.00318.10
8.2.40.0000.00922.20
8.2.30.0050.00318.11
8.2.20.0040.00417.61
8.2.10.0070.00017.91
8.2.00.0080.00017.54
8.1.280.0110.00325.92
8.1.270.0030.00523.92
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00322.18
8.1.230.0070.00719.00
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00817.23
8.1.190.0040.00417.23
8.1.180.0070.00318.10
8.1.170.0000.00818.50
8.1.160.0070.00021.88
8.1.150.0000.00818.46
8.1.140.0040.00417.23
8.1.130.0030.00317.75
8.1.120.0000.00717.37
8.1.110.0050.00317.37
8.1.100.0030.00517.25
8.1.90.0040.00417.38
8.1.80.0000.00717.24
8.1.70.0000.00717.28
8.1.60.0040.00417.39
8.1.50.0000.00917.41
8.1.40.0040.00417.26
8.1.30.0030.00617.41
8.1.20.0000.00717.45
8.1.10.0000.00817.27
8.1.00.0050.00317.38
8.0.300.0000.00719.73
8.0.290.0000.00816.58
8.0.280.0000.00718.31
8.0.270.0030.00317.12
8.0.260.0030.00517.03
8.0.250.0030.00316.76
8.0.240.0000.00716.71
8.0.230.0000.00716.65
8.0.220.0080.00016.73
8.0.210.0070.00016.64
8.0.200.0030.00316.68
8.0.190.0040.00416.68
8.0.180.0050.00216.84
8.0.170.0080.00016.83
8.0.160.0030.00616.63
8.0.150.0050.00316.66
8.0.140.0000.00716.72
8.0.130.0000.00613.18
8.0.120.0040.00416.60
8.0.110.0040.00416.77
8.0.100.0080.00016.74
8.0.90.0050.00316.87
8.0.80.0090.00616.78
8.0.70.0000.00716.80
8.0.60.0000.00716.67
8.0.50.0040.00416.75
8.0.30.0090.01116.85
8.0.20.0120.00617.40
8.0.10.0000.00716.82
8.0.00.0110.00916.64
7.4.330.0020.00315.00
7.4.320.0000.00616.36
7.4.300.0030.00316.32
7.4.290.0080.00016.41
7.4.280.0040.00416.36
7.4.270.0030.00316.30
7.4.260.0000.00716.30
7.4.250.0000.00716.33
7.4.240.0020.00516.35
7.4.230.0000.00716.54
7.4.220.0110.00716.43
7.4.210.0050.01016.47
7.4.200.0040.00416.30
7.4.190.0030.00316.55
7.4.160.0120.00916.23
7.4.150.0160.00317.40
7.4.140.0140.00517.86
7.4.130.0130.00816.34
7.4.120.0100.00816.42
7.4.110.0040.01816.28
7.4.100.0120.00616.51
7.4.90.0030.01316.13
7.4.80.0100.01619.39
7.4.70.0140.00316.46
7.4.60.0180.00316.30
7.4.50.0040.00416.07
7.4.40.0090.01616.47
7.4.30.0050.01416.45
7.4.00.0060.00914.89
7.3.330.0050.00012.96
7.3.320.0020.00313.01
7.3.310.0070.00016.17
7.3.300.0060.00016.13
7.3.290.0080.00816.12
7.3.280.0100.00516.07
7.3.270.0030.01917.40
7.3.260.0080.00816.10
7.3.250.0100.01016.20
7.3.240.0070.01016.38
7.3.230.0100.01516.39
7.3.210.0100.00916.25
7.3.200.0160.00619.39
7.3.190.0070.01416.08
7.3.180.0040.01116.25
7.3.170.0080.01416.27
7.3.160.0060.00916.11
7.3.120.0030.01014.81
7.2.330.0030.01416.58
7.2.320.0070.01716.11
7.2.310.0150.00916.42
7.2.300.0170.00316.41
7.2.290.0120.01216.51
7.2.00.0040.01119.17
7.1.100.0070.00418.18
7.1.70.0000.00716.63
7.1.60.0060.01919.46
7.1.50.0090.01516.82
7.1.00.0070.07322.41
7.0.200.0050.00216.53
7.0.140.0000.07321.95
7.0.110.0070.04019.99
7.0.100.0070.04020.01
7.0.90.0130.07719.97
7.0.80.0130.07720.03
7.0.70.0170.07720.04
7.0.60.0070.08019.93
7.0.50.0070.04019.95
7.0.40.0070.06019.72
7.0.30.0070.08019.73
7.0.20.0100.06719.60
7.0.10.0100.07319.69
7.0.00.0170.05719.73
5.6.280.0070.07020.84
5.6.260.0070.08020.66
5.6.250.0030.08720.50
5.6.240.0000.05720.67
5.6.230.0070.08320.69
5.6.220.0000.04020.66
5.6.210.0070.08320.63
5.6.200.0030.08720.55
5.6.190.0000.04320.46
5.6.180.0100.07020.55
5.6.170.0030.08020.56
5.6.160.0070.07020.61
5.6.150.0170.07320.65
5.6.140.0030.08020.69
5.6.130.0130.03720.59
5.6.120.0100.03720.46
5.6.110.0030.05020.66
5.6.100.0070.04020.66
5.6.90.0070.03720.60
5.6.80.0100.04720.03
5.6.70.0100.03319.95
5.6.60.0030.07320.01
5.6.50.0030.03720.02
5.6.40.0130.05319.95
5.6.30.0070.07319.91
5.6.20.0070.04719.96
5.6.10.0030.03319.94
5.6.00.0070.03719.98
5.5.380.0100.03317.63
5.5.370.0070.07717.50
5.5.360.0030.07017.61
5.5.350.0070.04317.61
5.5.340.0070.06018.16
5.5.330.0070.08017.99
5.5.320.0070.07718.13
5.5.310.0100.04317.85
5.5.300.0030.08317.86
5.5.290.0030.07317.77
5.5.280.0070.04018.13
5.5.270.0030.04318.09
5.5.260.0070.05017.84
5.5.250.0000.04317.68
5.5.240.0000.03717.39
5.5.230.0030.04017.48
5.5.220.0030.03717.49
5.5.210.0100.06717.56
5.5.200.0030.06017.34
5.5.190.0100.05317.52
5.5.180.0070.05017.20
5.5.160.0000.03717.20
5.5.150.0070.07717.59
5.5.140.0070.03017.44
5.5.130.0070.07717.44
5.5.120.0000.05717.35
5.5.110.0070.05017.44
5.5.100.0000.04017.15
5.5.90.0070.05717.09
5.5.80.0000.04017.38
5.5.70.0000.03717.27
5.5.60.0070.02717.26
5.5.50.0070.03717.08
5.5.40.0070.03017.37
5.5.30.0100.03017.08
5.5.20.0070.04317.40
5.5.10.0000.04017.23
5.5.00.0000.04017.35
5.4.450.0030.05019.62
5.4.440.0070.04019.33
5.4.430.0000.04319.48
5.4.420.0030.04019.50
5.4.410.0100.05719.27
5.4.400.0100.03018.98
5.4.390.0030.04019.11
5.4.380.0030.04318.95
5.4.370.0030.05019.18
5.4.360.0000.07319.01
5.4.350.0200.02018.93
5.4.340.0030.05019.25
5.4.320.0070.03019.10
5.4.310.0030.03719.16
5.4.300.0030.04019.02
5.4.290.0030.03719.00
5.4.280.0070.06719.11
5.4.270.0000.03719.18
5.4.260.0130.02719.16
5.4.250.0030.03719.00
5.4.240.0070.05319.02
5.4.230.0070.03318.99
5.4.220.0030.03719.02
5.4.210.0030.03719.11
5.4.200.0130.02319.27
5.4.190.0030.03718.94
5.4.180.0000.04019.10
5.4.170.0000.04019.26
5.4.160.0030.03319.05
5.4.150.0000.04018.98
5.4.140.0070.03316.17
5.4.130.0030.04016.18
5.4.120.0070.03016.36
5.4.110.0070.03316.40
5.4.100.0000.04016.50
5.4.90.0030.02716.48
5.4.80.0000.03316.18
5.4.70.0100.04316.39
5.4.60.0000.03716.38
5.4.50.0000.03316.16
5.4.40.0000.03316.31
5.4.30.0100.05316.34
5.4.20.0070.06316.33
5.4.10.0030.05716.34
5.4.00.0000.05015.67
5.3.290.0100.07314.68
5.3.280.0030.03714.67
5.3.270.0030.04014.62
5.3.260.0030.03714.50
5.3.250.0030.03714.70
5.3.240.0030.03314.49
5.3.230.0000.04314.68
5.3.220.0100.03314.64
5.3.210.0030.03714.49
5.3.200.0070.03314.41
5.3.190.0000.04314.59
5.3.180.0000.04314.55
5.3.170.0070.03014.63
5.3.160.0030.04014.57
5.3.150.0030.04714.57
5.3.140.0030.07314.34
5.3.130.0070.03714.47
5.3.120.0100.04314.61
5.3.110.0100.06714.41
5.3.100.0030.06313.82
5.3.90.0000.06313.86
5.3.80.0070.03313.94
5.3.70.0030.05014.02
5.3.60.0000.04013.88
5.3.50.0030.03713.96
5.3.40.0030.08013.96
5.3.30.0000.03714.00
5.3.20.0130.06313.48
5.3.10.0070.03313.75
5.3.00.0000.07713.53
5.2.170.0070.03011.78
5.2.160.0070.06011.78
5.2.150.0000.04011.78
5.2.140.0000.03311.78
5.2.130.0030.05711.78
5.2.120.0070.03711.78
5.2.110.0000.04011.78
5.2.100.0200.05011.78
5.2.90.0070.05711.78
5.2.80.0100.02311.78
5.2.70.0030.06311.78
5.2.60.0030.05311.78
5.2.50.0100.04011.78
5.2.40.0000.06311.78
5.2.30.0230.04711.78
5.2.20.0030.06011.78
5.2.10.0030.04011.78
5.2.00.0000.06311.78
5.1.60.0070.02711.78
5.1.50.0100.05011.78
5.1.40.0030.05711.78
5.1.30.0100.05011.78
5.1.20.0000.05711.78
5.1.10.0100.05311.78
5.1.00.0070.05311.78
5.0.50.0000.04711.78
5.0.40.0000.03311.78
5.0.30.0000.06711.78
5.0.20.0000.04711.78
5.0.10.0030.04311.78
5.0.00.0070.06311.78
4.4.90.0000.04011.78
4.4.80.0030.03011.78
4.4.70.0030.03711.78
4.4.60.0000.03311.78
4.4.50.0000.03711.78
4.4.40.0030.02711.78
4.4.30.0100.02711.78
4.4.20.0070.03011.78
4.4.10.0000.03011.78
4.4.00.0000.04311.78
4.3.110.0030.03311.78
4.3.100.0100.02711.78
4.3.90.0000.03011.78
4.3.80.0030.04711.78
4.3.70.0100.02311.78
4.3.60.0130.02311.78
4.3.50.0070.03011.78
4.3.40.0100.02711.78
4.3.30.0000.02311.78
4.3.20.0000.04011.78
4.3.10.0000.03311.78
4.3.00.0000.03711.78

preferences:
43.52 ms | 401 KiB | 5 Q