3v4l.org

run code in 300+ PHP versions simultaneously
<?php if(!function_exists('json_decode')) { return; } var_dump(json_decode('{"a": 1, /*Ciao!*/ "b":2}'));

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)
8.3.60.0100.00316.50
8.3.50.0200.01016.59
8.3.40.0070.00718.59
8.3.30.0140.00018.80
8.3.20.0080.00018.70
8.3.10.0050.00320.36
8.3.00.0050.00319.26
8.2.180.0130.00416.32
8.2.170.0000.01422.96
8.2.160.0070.00721.07
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00220.79
8.2.110.0060.00322.07
8.2.100.0060.00618.04
8.2.90.0000.00718.09
8.2.80.0000.00818.66
8.2.70.0040.00417.50
8.2.60.0030.00617.91
8.2.50.0080.00018.07
8.2.40.0000.00918.03
8.2.30.0000.00717.86
8.2.20.0000.00817.52
8.2.10.0070.00017.48
8.2.00.0030.00617.59
8.1.280.0130.00325.92
8.1.270.0000.00724.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0090.00021.16
8.1.230.0040.00717.77
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0030.00717.23
8.1.190.0000.00817.10
8.1.180.0000.00818.10
8.1.170.0000.00818.61
8.1.160.0070.00018.81
8.1.150.0020.00518.60
8.1.140.0040.00417.29
8.1.130.0000.00717.75
8.1.120.0030.00317.44
8.1.110.0040.00417.44
8.1.100.0000.00717.38
8.1.90.0070.00017.36
8.1.80.0040.00417.39
8.1.70.0000.00717.40
8.1.60.0040.00417.51
8.1.50.0000.00817.38
8.1.40.0020.00517.45
8.1.30.0000.00717.54
8.1.20.0050.00317.56
8.1.10.0040.00417.31
8.1.00.0050.00217.20
8.0.300.0040.00418.77
8.0.290.0000.00716.63
8.0.280.0000.00718.33
8.0.270.0000.00717.26
8.0.260.0030.00316.75
8.0.250.0030.00616.84
8.0.240.0000.00816.89
8.0.230.0000.00816.90
8.0.220.0000.00716.69
8.0.210.0040.00416.82
8.0.200.0000.00716.87
8.0.190.0040.00416.74
8.0.180.0080.00016.86
8.0.170.0060.00316.84
8.0.160.0000.00716.88
8.0.150.0000.00916.89
8.0.140.0020.00516.83
8.0.130.0060.00013.34
8.0.120.0030.00516.69
8.0.110.0040.00416.75
8.0.100.0000.00816.80
8.0.90.0040.00416.82
8.0.80.0070.01316.77
8.0.70.0040.00416.60
8.0.60.0050.00316.77
8.0.50.0000.00716.78
8.0.30.0080.01117.07
8.0.20.0090.00916.82
8.0.10.0000.00716.86
8.0.00.0070.01016.63
7.4.330.0000.00512.92
7.4.320.0000.00616.45
7.4.300.0000.00616.44
7.4.290.0030.00316.44
7.4.280.0030.00616.51
7.4.270.0000.00616.48
7.4.260.0030.00313.20
7.4.250.0030.00516.45
7.4.240.0040.00416.38
7.4.230.0060.00016.39
7.4.220.0140.00316.31
7.4.210.0080.00816.47
7.4.200.0000.00716.48
7.4.190.0040.00416.55
7.4.160.0080.00816.38
7.4.150.0130.00616.23
7.4.140.0130.00516.46
7.4.130.0130.00616.47
7.4.120.0110.00816.43
7.4.110.0110.00616.39
7.4.100.0070.01016.32
7.4.90.0120.01216.34
7.4.80.0040.01216.30
7.4.70.0060.01216.54
7.4.60.0070.01016.45
7.4.50.0130.00016.20
7.4.40.0000.01416.27
7.4.30.0090.00616.10
7.4.00.0060.00614.82
7.3.330.0000.00612.97
7.3.320.0030.00312.88
7.3.310.0030.00316.00
7.3.300.0040.00415.98
7.3.290.0110.00316.18
7.3.280.0090.00916.13
7.3.270.0170.00016.45
7.3.260.0060.01016.34
7.3.250.0120.00516.39
7.3.240.0060.01216.02
7.3.230.0090.00616.46
7.3.210.0140.01016.34
7.3.200.0070.01119.39
7.3.190.0090.01316.25
7.3.180.0080.00816.17
7.3.170.0080.00816.21
7.3.160.0110.01116.16
7.3.120.0080.00614.55
7.3.10.0040.00816.57
7.3.00.0000.01116.50
7.2.330.0070.01016.61
7.2.320.0120.00616.47
7.2.310.0110.01116.37
7.2.300.0090.01416.30
7.2.290.0030.01316.56
7.2.130.0000.01116.60
7.2.120.0120.00316.74
7.2.110.0030.00716.61
7.2.100.0060.00616.29
7.2.90.0080.00816.82
7.2.80.0060.00616.52
7.2.70.0030.00616.54
7.2.60.0090.00316.61
7.2.50.0070.01016.30
7.2.40.0070.00716.61
7.2.30.0070.00716.71
7.2.20.0110.00416.82
7.2.10.0000.01116.85
7.2.00.0060.00618.12
7.1.250.0000.01115.64
7.1.100.0040.01118.09
7.1.70.0050.00517.01
7.1.60.0030.02119.40
7.1.50.0060.01616.82
7.1.00.0030.06322.36
7.0.200.0030.00616.43
7.0.140.0130.06021.99
7.0.120.0070.07022.13
7.0.60.0030.09019.95
7.0.50.0070.05017.89
7.0.40.0170.08020.03
7.0.30.0300.07320.17
7.0.20.0300.07720.13
7.0.10.0200.08320.13
7.0.00.0030.08720.20
5.6.280.0030.07321.11
5.6.210.0070.07320.52
5.6.200.0130.07018.08
5.6.190.0030.05020.48
5.6.180.0230.05320.46
5.6.170.0370.03720.38
5.6.160.0030.04720.33
5.6.150.0130.03018.15
5.6.140.0070.04318.21
5.6.130.0100.08018.12
5.6.120.0100.03721.14
5.6.110.0030.09021.00
5.6.100.0070.05021.07
5.6.90.0100.08320.88
5.6.80.0070.07720.40
5.6.70.0370.06020.45
5.5.350.0170.03720.29
5.5.340.0070.03717.91
5.5.330.0070.05020.08
5.5.320.0200.08320.39
5.5.310.0270.08020.29
5.5.300.0100.07717.88
5.5.290.0070.04317.97
5.5.280.0030.07320.73
5.5.270.0100.07320.88
5.5.260.0100.08320.75
5.5.250.0170.06020.65
5.5.240.0030.05020.03
5.4.450.0100.07719.51
5.4.440.0070.07719.11
5.4.430.0070.04719.50
5.4.420.0070.06319.11
5.4.410.0070.07319.02
5.4.400.0100.06019.14
5.4.390.0100.08018.91
5.4.380.0130.04719.18
5.4.370.0030.04019.18
5.4.360.0100.05718.92
5.4.350.0030.07719.09
5.4.340.0070.07319.14
5.4.320.0030.04019.12
5.4.310.0070.07719.08
5.4.300.0030.04019.17
5.4.290.0030.04019.07
5.4.280.0070.08019.08
5.4.270.0200.06319.18
5.4.260.0100.07718.80
5.4.250.0030.04019.08
5.4.240.0030.04319.07
5.4.230.0100.07319.17
5.4.220.0070.08018.88
5.4.210.0130.07019.20
5.4.200.0170.05319.07
5.4.190.0100.03718.80
5.4.180.0070.07319.04
5.4.170.0030.08319.06
5.4.160.0100.08019.11
5.4.150.0030.06719.14
5.4.140.0100.05016.29
5.4.130.0100.06316.22
5.4.120.0070.03716.25
5.4.110.0070.03716.27
5.4.100.0030.03716.27
5.4.90.0000.04316.14
5.4.80.0000.03716.13
5.4.70.0100.03016.24
5.4.60.0070.03316.30
5.4.50.0000.03716.24
5.4.40.0030.03316.38
5.4.30.0130.02316.27
5.4.20.0000.03716.34
5.4.10.0030.03316.29
5.4.00.0030.03715.93
5.3.290.0000.05314.59
5.3.280.0070.04714.57
5.3.270.0030.08014.52
5.3.260.0130.07314.39
5.3.250.0030.07714.58
5.3.240.0070.07714.48
5.3.230.0100.05714.52
5.3.220.0100.07714.36
5.3.210.0100.06714.39
5.3.200.0000.04314.54
5.3.190.0030.03714.55
5.3.180.0070.03314.39
5.3.170.0000.04014.48
5.3.160.0030.03714.49
5.3.150.0030.03714.57
5.3.140.0030.04314.50
5.3.130.0030.03714.51
5.3.120.0030.04714.57
5.3.110.0000.04014.50
5.3.100.0100.03713.93
5.3.90.0030.03313.94
5.3.80.0000.03713.94
5.3.70.0000.03713.96
5.3.60.0030.04014.02
5.3.50.0070.03013.88
5.3.40.0000.04013.92
5.3.30.0030.03313.75
5.3.20.0070.03013.66
5.3.10.0000.03713.61
5.3.00.0030.03313.57
5.2.170.0000.03011.08
5.2.160.0070.02311.22
5.2.150.0100.02011.09
5.2.140.0000.03011.11
5.2.130.0000.03011.12
5.2.120.0000.03011.08
5.2.110.0030.02710.98
5.2.100.0000.03010.99
5.2.90.0000.03011.00
5.2.80.0000.03010.98
5.2.70.0000.03010.98
5.2.60.0000.03010.94
5.2.50.0000.03010.89
5.2.40.0000.03010.97
5.2.30.0030.02710.84
5.2.20.0070.02310.85
5.2.10.0030.02710.80
5.2.00.0070.02710.66
5.1.60.0000.0239.89
5.1.50.0000.0279.94
5.1.40.0000.02310.03
5.1.30.0000.02710.32
5.1.20.0030.02310.35
5.1.10.0030.04010.02
5.1.00.0000.04310.02
5.0.50.0000.0238.55
5.0.40.0070.0178.44
5.0.30.0030.0438.23
5.0.20.0030.0338.34
5.0.10.0030.0178.22
5.0.00.0000.0708.21
4.4.90.0000.0137.78
4.4.80.0000.0177.78
4.4.70.0070.0107.78
4.4.60.0030.0137.78
4.4.50.0000.0137.78
4.4.40.0030.0207.78
4.4.30.0000.0177.78
4.4.20.0000.0177.78
4.4.10.0030.0237.78
4.4.00.0030.0237.78
4.3.110.0030.0277.78
4.3.100.0000.0337.78
4.3.90.0000.0307.78
4.3.80.0000.0407.78
4.3.70.0070.0277.78
4.3.60.0000.0237.78
4.3.50.0030.0337.78
4.3.40.0070.0477.78
4.3.30.0030.0337.78
4.3.20.0030.0277.78
4.3.10.0030.0307.78
4.3.00.0000.0377.78

preferences:
43.42 ms | 401 KiB | 5 Q