3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_decode('', true)); var_dump(json_last_error()); var_dump(json_decode('1', true)); var_dump(json_last_error()); var_dump(json_decode('b', 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)
8.3.60.0060.00916.63
8.3.50.0100.00821.21
8.3.40.0110.00318.76
8.3.30.0030.01018.92
8.3.20.0080.00020.34
8.3.10.0000.00823.47
8.3.00.0070.00019.01
8.2.180.0080.00818.28
8.2.170.0060.01222.96
8.2.160.0030.01020.53
8.2.150.0050.00324.18
8.2.140.0000.00824.66
8.2.130.0030.00526.16
8.2.120.0000.00920.69
8.2.110.0060.00322.21
8.2.100.0090.00317.59
8.2.90.0080.00018.92
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0090.00417.41
8.2.50.0080.00018.07
8.2.40.0040.00419.82
8.2.30.0000.00718.12
8.2.20.0050.00317.57
8.2.10.0050.00217.89
8.2.00.0050.00317.69
8.1.280.0130.00325.92
8.1.270.0040.00424.00
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0050.00523.82
8.1.230.0050.00519.16
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0040.00417.10
8.1.180.0050.00318.10
8.1.170.0050.00318.50
8.1.160.0030.00521.93
8.1.150.0040.00418.61
8.1.140.0020.00517.31
8.1.130.0000.00717.86
8.1.120.0000.00717.29
8.1.110.0000.00717.31
8.1.100.0000.00717.32
8.1.90.0040.00317.38
8.1.80.0000.00717.16
8.1.70.0000.00717.34
8.1.60.0060.00317.44
8.1.50.0000.00817.39
8.1.40.0030.00517.29
8.1.30.0070.00417.44
8.1.20.0000.00817.43
8.1.10.0000.00717.36
8.1.00.0030.00517.37
8.0.300.0080.00018.77
8.0.290.0040.00416.93
8.0.280.0070.00018.38
8.0.270.0030.00317.01
8.0.260.0030.00317.13
8.0.250.0000.00716.79
8.0.240.0000.00916.84
8.0.230.0030.00316.85
8.0.220.0000.00716.80
8.0.210.0030.00316.77
8.0.200.0070.00016.87
8.0.190.0030.00416.79
8.0.180.0040.00416.75
8.0.170.0070.00016.68
8.0.160.0000.00716.64
8.0.150.0040.00416.61
8.0.140.0000.00716.75
8.0.130.0050.00013.15
8.0.120.0040.00416.66
8.0.110.0070.00016.59
8.0.100.0040.00416.54
8.0.90.0000.00716.67
8.0.80.0130.00316.65
8.0.70.0040.00416.83
8.0.60.0040.00416.66
8.0.50.0000.00716.73
8.0.30.0140.00516.82
8.0.20.0090.00917.40
8.0.10.0050.00216.87
8.0.00.0030.01516.55
7.4.330.0040.00415.00
7.4.320.0070.00016.45
7.4.300.0030.00316.37
7.4.290.0040.00416.37
7.4.280.0040.00416.22
7.4.270.0000.00716.30
7.4.260.0030.00316.29
7.4.250.0000.00716.31
7.4.240.0050.00216.40
7.4.230.0070.00016.50
7.4.220.0140.00316.51
7.4.210.0080.00916.34
7.4.200.0030.00316.48
7.4.190.0000.00716.42
7.4.160.0100.01016.26
7.4.150.0100.00717.40
7.4.140.0080.01117.86
7.4.130.0110.00716.38
7.4.120.0060.01216.41
7.4.110.0120.00916.25
7.4.100.0110.00716.38
7.4.90.0070.01116.47
7.4.80.0170.00319.39
7.4.70.0060.01016.31
7.4.60.0100.00716.23
7.4.50.0000.00916.50
7.4.40.0130.00516.37
7.4.30.0070.01016.41
7.4.00.0030.01314.57
7.3.330.0000.00512.98
7.3.320.0000.00513.01
7.3.310.0030.00316.00
7.3.300.0030.00316.07
7.3.290.0040.01516.14
7.3.280.0110.00616.14
7.3.270.0140.00317.40
7.3.260.0090.01516.30
7.3.250.0070.01416.29
7.3.240.0060.00916.36
7.3.230.0090.00916.39
7.3.210.0110.00516.29
7.3.200.0070.01019.39
7.3.190.0120.00916.11
7.3.180.0040.01216.17
7.3.170.0060.01016.27
7.3.160.0080.00816.19
7.3.120.0040.01114.90
7.2.330.0110.00616.09
7.2.320.0130.00916.16
7.2.310.0130.00516.26
7.2.300.0150.00316.13
7.2.290.0100.01216.43
7.2.60.0120.00316.54
7.2.00.0060.00619.11
7.1.200.0030.01015.40
7.1.100.0090.00918.16
7.1.70.0050.00216.86
7.1.60.0040.02219.46
7.1.50.0060.01516.91
7.1.00.0070.07322.30
7.0.200.0000.00816.61
7.0.140.0070.07021.93
7.0.60.0170.06320.01
7.0.50.0030.04017.87
7.0.40.0000.06320.04
7.0.30.0430.08320.20
7.0.20.0300.08020.16
7.0.10.0270.06020.00
7.0.00.0130.06020.16
5.6.280.0130.06321.15
5.6.210.0100.06020.64
5.6.200.0030.04018.13
5.6.190.0070.08720.61
5.6.180.3670.04320.59
5.6.170.0300.04320.41
5.6.160.0100.08020.51
5.6.150.0100.04318.04
5.6.140.0030.04018.18
5.6.130.0130.07718.22
5.6.120.0030.04320.98
5.6.110.0100.06021.00
5.6.100.0100.05320.97
5.6.90.0100.03721.09
5.6.80.0130.07020.28
5.6.70.0170.03720.50
5.5.350.0330.08020.38
5.5.340.0070.07717.96
5.5.330.0130.06020.21
5.5.320.0070.06720.07
5.5.310.0270.03720.31
5.5.300.0100.07717.89
5.5.290.0000.05017.91
5.5.280.0130.06020.73
5.5.270.0070.04320.63
5.5.260.0130.06320.79
5.5.250.0100.04020.61
5.5.240.0070.06720.12
5.4.450.0770.06019.14
5.4.440.0870.05319.64
5.4.430.0830.07019.44
5.4.420.0800.00019.42
5.4.410.0100.05718.70
5.4.400.0170.07318.61
5.4.390.0230.05718.63
5.4.380.0170.05718.60
5.4.370.0070.05318.63
5.4.360.0100.05018.51
5.4.350.0080.03811.98
5.4.340.0100.04111.97
5.4.320.0090.05612.46
5.4.310.0040.04012.45
5.4.300.0050.04012.46
5.4.290.0080.04912.46
5.4.280.0090.04112.35
5.4.270.0050.04812.35
5.4.260.0080.03812.35
5.4.250.0090.03812.35
5.4.240.0100.04412.35
5.4.230.0060.04212.34
5.4.220.0070.03812.34
5.4.210.0090.04612.34
5.4.200.0110.05312.34
5.4.190.0110.05612.34
5.4.180.0120.05812.34
5.4.170.0090.03612.35
5.4.160.0080.05212.34
5.4.150.0110.05912.34
5.4.140.0150.05212.02
5.4.130.0180.04812.01
5.4.120.0090.04811.97
5.4.110.0080.04911.96
5.4.100.0070.04911.97
5.4.90.0100.05911.97
5.4.80.0090.04211.97
5.4.70.0040.03811.96
5.4.60.0060.03611.96
5.4.50.0050.03811.96
5.4.40.0050.03711.95
5.4.30.0070.03511.95
5.4.20.0090.03311.95
5.4.10.0070.03611.95
5.4.00.0050.04111.45
5.3.290.0040.04112.80
5.3.280.0100.04412.71
5.3.270.0100.04312.73
5.3.260.0060.03912.72
5.3.250.0100.03812.72
5.3.240.0110.05112.72
5.3.230.0100.05312.71
5.3.220.0080.04612.68
5.3.210.0090.05212.68
5.3.200.0060.03712.68
5.3.190.0110.05012.68
5.3.180.0100.05412.67
5.3.170.0120.06812.67
5.3.160.0100.05012.68
5.3.150.0080.05112.68
5.3.140.0100.04912.66
5.3.130.0100.05412.66
5.3.120.0060.06312.66
5.3.110.0070.06012.66
5.3.100.0100.03512.12
5.3.90.0050.03712.08
5.3.80.0080.04812.08
5.3.70.0070.05012.07
5.3.60.0070.03712.06
5.3.50.0080.03512.00
5.3.40.0050.03812.00
5.3.30.0060.03611.94
5.3.20.0060.03811.73
5.3.10.0070.03811.69
5.3.00.0080.04811.68
5.2.170.0060.0319.18
5.2.160.0060.0349.18
5.2.150.0070.0319.18
5.2.140.0090.0389.18
5.2.130.0090.0499.14
5.2.120.0090.0439.14
5.2.110.0070.0469.15
5.2.100.0100.0469.14
5.2.90.0050.0449.14
5.2.80.0060.0449.14
5.2.70.0060.0469.14
5.2.60.0080.0429.09
5.2.50.0070.0449.06
5.2.40.0080.0389.04
5.2.30.0090.0419.02
5.2.20.0040.0309.00
5.2.10.0040.0348.92
5.2.00.0050.0298.78
5.1.60.0030.0258.07
5.1.50.0040.0248.06
5.1.40.0040.0248.05
5.1.30.0030.0278.40
5.1.20.0040.0298.42
5.1.10.0040.0298.14
5.1.00.0040.0278.14
5.0.50.0020.0226.62
5.0.40.0020.0216.48
5.0.30.0030.0326.29
5.0.20.0050.0196.27
5.0.10.0010.0236.24
5.0.00.0040.0336.23
4.4.90.0020.0174.78
4.4.80.0050.0164.75
4.4.70.0020.0184.75
4.4.60.0040.0154.76
4.4.50.0010.0184.77
4.4.40.0030.0264.71
4.4.30.0020.0184.76
4.4.20.0010.0194.84
4.4.10.0030.0174.85
4.4.00.0040.0254.75
4.3.110.0030.0164.67
4.3.100.0050.0154.67
4.3.90.0050.0204.63
4.3.80.0020.0334.59
4.3.70.0030.0184.63
4.3.60.0040.0154.63
4.3.50.0020.0174.62
4.3.40.0030.0254.53
4.3.30.0030.0193.28
4.3.20.0020.0183.26
4.3.10.0030.0203.22
4.3.00.0030.0276.66

preferences:
64.49 ms | 401 KiB | 5 Q