3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('', true)); 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)
8.3.60.0110.01118.18
8.3.50.0130.00721.19
8.3.40.0060.00918.46
8.3.30.0070.01018.45
8.3.20.0050.00220.20
8.3.10.0000.00821.78
8.3.00.0030.00517.68
8.2.180.0070.00716.32
8.2.170.0070.01122.96
8.2.160.0100.00620.52
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0030.00617.50
8.2.110.0050.00520.92
8.2.100.0090.00317.59
8.2.90.0040.00418.92
8.2.80.0000.00817.97
8.2.70.0080.00017.25
8.2.60.0040.00817.80
8.2.50.0000.00818.07
8.2.40.0050.00519.40
8.2.30.0040.00422.41
8.2.20.0050.00317.54
8.2.10.0080.00017.79
8.2.00.0000.00817.89
8.1.280.0100.01025.92
8.1.270.0100.01022.10
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00621.21
8.1.230.0060.00617.42
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0000.00917.10
8.1.190.0000.00817.23
8.1.180.0000.00818.10
8.1.170.0000.00818.50
8.1.160.0040.00421.83
8.1.150.0040.00418.75
8.1.140.0050.00317.32
8.1.130.0030.00317.59
8.1.120.0040.00417.35
8.1.110.0040.00417.36
8.1.100.0060.00317.38
8.1.90.0040.00417.34
8.1.80.0000.00717.32
8.1.70.0030.00317.31
8.1.60.0050.00317.43
8.1.50.0040.00417.41
8.1.40.0060.00317.30
8.1.30.0040.00417.34
8.1.20.0040.00417.39
8.1.10.0060.00317.31
8.1.00.0040.00417.23
8.0.300.0070.00018.77
8.0.290.0080.00016.58
8.0.280.0000.00718.18
8.0.270.0040.00416.99
8.0.260.0000.00617.04
8.0.250.0050.00216.86
8.0.240.0080.00016.74
8.0.230.0040.00416.75
8.0.220.0000.01016.68
8.0.210.0000.00716.71
8.0.200.0030.00316.71
8.0.190.0040.00416.67
8.0.180.0000.00816.66
8.0.170.0000.00716.79
8.0.160.0030.00316.75
8.0.150.0080.00016.71
8.0.140.0070.00016.74
8.0.130.0060.00013.23
8.0.120.0030.00616.64
8.0.110.0040.00416.60
8.0.100.0080.00016.55
8.0.90.0080.00016.82
8.0.80.0070.00716.77
8.0.70.0070.00016.63
8.0.60.0040.00416.71
8.0.50.0030.00416.64
8.0.30.0090.00816.77
8.0.20.0080.01317.40
8.0.10.0040.00416.76
8.0.00.0120.00616.65
7.4.330.0050.00015.08
7.4.320.0040.00316.37
7.4.300.0000.00716.50
7.4.290.0070.00016.40
7.4.280.0060.00016.43
7.4.270.0000.00716.41
7.4.260.0070.00316.30
7.4.250.0040.00416.23
7.4.240.0000.00716.37
7.4.230.0000.00716.15
7.4.220.0170.00016.36
7.4.210.0100.00316.35
7.4.200.0000.00716.24
7.4.160.0090.00616.34
7.4.150.0080.01117.40
7.4.140.0110.01317.86
7.4.130.0100.00816.38
7.4.120.0050.01116.33
7.4.110.0130.01016.22
7.4.100.0040.01416.52
7.4.90.0030.01216.38
7.4.80.0080.01219.39
7.4.70.0080.00816.52
7.4.60.0030.01216.38
7.4.50.0090.00016.21
7.4.40.0070.01716.32
7.4.30.0060.01116.42
7.4.00.0070.00714.69
7.3.330.0030.00313.07
7.3.320.0050.00013.00
7.3.310.0000.00815.96
7.3.300.0030.00315.98
7.3.290.0100.00416.08
7.3.280.0120.00416.15
7.3.270.0060.00917.40
7.3.260.0130.00916.45
7.3.250.0100.00916.32
7.3.240.0100.01216.09
7.3.230.0060.01116.39
7.3.210.0130.00316.20
7.3.200.0060.01016.23
7.3.190.0110.00716.35
7.3.180.0120.00316.12
7.3.170.0060.01616.44
7.3.160.0060.01116.27
7.3.120.0030.01614.34
7.3.110.0150.00014.79
7.3.100.0110.00414.30
7.3.90.0140.00014.64
7.3.80.0030.00814.62
7.3.70.0030.01014.40
7.3.60.0070.00414.75
7.3.50.0070.00714.80
7.3.40.0060.00714.70
7.3.30.0070.00714.86
7.3.20.0040.00416.70
7.3.10.0080.01016.32
7.3.00.0050.01016.27
7.2.330.0100.00716.52
7.2.320.0070.01016.51
7.2.310.0130.00616.46
7.2.300.0070.01016.46
7.2.290.0140.01116.27
7.2.250.0030.01314.44
7.2.240.0070.01014.79
7.2.230.0000.00815.02
7.2.220.0070.01014.84
7.2.210.0040.00814.53
7.2.200.0030.01015.02
7.2.190.0060.00614.56
7.2.180.0000.00914.61
7.2.170.0040.00714.74
7.2.130.0060.00916.13
7.2.120.0130.00316.37
7.2.110.0130.00516.35
7.2.100.0070.00716.32
7.2.90.0110.00616.42
7.2.80.0110.00416.13
7.2.70.0070.00716.48
7.2.60.0100.00616.55
7.2.50.0030.01516.40
7.2.40.0100.00716.47
7.2.30.0150.00016.36
7.2.20.0110.00816.15
7.2.10.0120.00416.40
7.2.00.0110.01017.88
7.1.330.0100.00315.49
7.1.320.0030.00615.85
7.1.310.0060.00915.73
7.1.300.0000.01415.24
7.1.290.0130.00015.33
7.1.280.0000.01115.64
7.1.270.0090.00615.55
7.1.260.0100.00315.45
7.1.250.0040.01114.96
7.1.200.0030.00615.76
7.1.100.0000.01317.90
7.1.70.0040.00417.14
7.1.60.0030.01717.28
7.1.50.0030.00916.62
7.1.40.0070.00416.45
7.1.30.0030.00716.36
7.1.20.0130.00016.65
7.1.10.0030.01616.66
7.1.00.0070.01016.51
7.0.200.0000.01216.78
7.0.190.0030.00516.48
7.0.180.0000.00815.92
7.0.170.0000.00816.09
7.0.160.0030.00516.05
7.0.150.0030.00716.34
7.0.140.0060.00316.13
7.0.130.0060.00616.26
7.0.120.0060.00916.36
7.0.110.0030.01016.28
7.0.100.0030.00616.35
7.0.90.0070.01016.07
7.0.80.0110.00416.11
7.0.70.0030.00516.28
7.0.60.0050.00516.10
7.0.50.0040.00416.42
7.0.40.0030.01214.75
7.0.30.0030.01314.75
7.0.20.0040.00414.75
7.0.10.0000.00714.75
7.0.00.0070.00014.75
5.6.300.0070.04320.92
5.6.290.0000.07020.66
5.6.280.0030.07121.05
5.6.270.0000.05020.86
5.6.260.0000.04420.83
5.6.250.0070.08220.89
5.6.240.0130.08420.96
5.6.230.0030.04120.84
5.6.220.0030.04120.80
5.6.210.0030.05320.79
5.6.200.0000.04420.95
5.6.190.0140.07421.02
5.6.180.0030.07021.02
5.6.170.0030.08320.86
5.6.160.0030.04520.73
5.6.150.0100.06020.81
5.6.140.0070.04320.80
5.6.130.0070.04420.82
5.6.120.0070.04121.02
5.6.110.0000.04421.01
5.6.100.0070.03920.91
5.6.90.0060.04720.90
5.6.80.0030.04020.36
5.6.70.0060.03520.24
5.6.60.0100.04520.18
5.6.50.0000.04220.30
5.6.40.0000.04120.12
5.6.30.0230.04020.38
5.6.20.0030.04320.27
5.6.10.0030.04120.30
5.6.00.0030.08420.25
5.5.380.0000.05817.55
5.5.370.0000.05517.50
5.5.360.0030.04317.56
5.5.350.0000.04717.52
5.5.340.0030.08318.00
5.5.330.0030.07918.03
5.5.320.0070.06718.06
5.5.310.0070.03617.74
5.5.300.0060.03817.74
5.5.290.0130.03518.02
5.5.280.0030.04017.94
5.5.270.0000.04518.03
5.5.260.0000.04318.11
5.5.250.0030.06217.75
5.5.240.0030.04117.40
5.5.230.0100.03617.29
5.5.220.0070.03317.37
5.5.210.0000.04017.38
5.5.200.0070.03317.35
5.5.190.0030.04017.48
5.5.180.0030.03617.38
5.5.160.0100.07417.32
5.5.150.0000.05017.41
5.5.140.0030.07317.09
5.5.130.0060.06117.40
5.5.120.0000.04617.41
5.5.110.0030.04517.36
5.5.100.0000.07417.28
5.5.90.0000.04017.25
5.5.80.0030.03816.95
5.5.70.0000.04817.26
5.5.60.0030.04217.08
5.5.50.0030.04117.27
5.5.40.0060.03817.18
5.5.30.0030.04017.10
5.5.20.0030.03717.31
5.5.10.0070.03417.35
5.5.00.0030.05516.97
5.4.450.0030.06119.32
5.4.440.0030.04519.46
5.4.430.0060.03519.39
5.4.420.0070.07519.20
5.4.410.0040.04219.21
5.4.400.0060.03519.08
5.4.390.0070.04218.98
5.4.380.0070.03318.98
5.4.370.0070.04618.91
5.4.360.0000.04019.02
5.4.350.0040.03918.85
5.4.340.0000.04019.09
5.4.320.0130.05218.91
5.4.310.0030.04319.10
5.4.300.0070.05219.16
5.4.290.0030.04618.88
5.4.280.0310.03719.04
5.4.270.0070.03319.05
5.4.260.0070.05519.13
5.4.250.0000.05319.02
5.4.240.0070.07419.20
5.4.230.0030.04019.09
5.4.220.0030.07418.90
5.4.210.0030.04119.05
5.4.200.0030.04319.13
5.4.190.0140.04118.97
5.4.180.0000.04219.13
5.4.170.0000.04619.09
5.4.160.0060.04118.99
5.4.150.0000.04218.98
5.4.140.0000.04116.46
5.4.130.0060.03116.50
5.4.120.0030.07016.69
5.4.110.0030.04816.38
5.4.100.0100.04216.69
5.4.90.0030.03416.42
5.4.80.0000.03816.65
5.4.70.0030.03816.61
5.4.60.0100.04416.56
5.4.50.0070.03416.36
5.4.40.0060.03216.39
5.4.30.0000.04216.54
5.4.20.0100.04216.54
5.4.10.0030.03816.55
5.4.00.0070.03115.77

preferences:
49.43 ms | 401 KiB | 5 Q