3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{} $foo = new Foo; $json = json_encode($foo); var_dump(json_decode($json));

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)
8.3.60.0090.01218.02
8.3.50.0110.00921.92
8.3.40.0180.00318.53
8.3.30.0090.00918.47
8.3.20.0000.00918.35
8.3.10.0040.00420.79
8.3.00.0070.00021.77
8.2.180.0120.00316.63
8.2.170.0090.00922.96
8.2.160.0030.01220.43
8.2.150.0040.00424.18
8.2.140.0050.00524.66
8.2.130.0140.00326.16
8.2.120.0000.00820.97
8.2.110.0030.00720.47
8.2.100.0090.00317.66
8.2.90.0040.00419.08
8.2.80.0030.00517.97
8.2.70.0030.00517.50
8.2.60.0000.00717.93
8.2.50.0030.00618.07
8.2.40.0000.00818.03
8.2.30.0040.00419.35
8.2.20.0070.00017.64
8.2.10.0000.00817.61
8.2.00.0060.00317.48
8.1.280.0110.00425.92
8.1.270.0070.00023.99
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0040.00422.36
8.1.230.0060.00620.88
8.1.220.0000.00818.77
8.1.210.0090.00018.90
8.1.200.0030.00617.10
8.1.190.0030.00617.40
8.1.180.0030.00518.10
8.1.170.0050.00318.57
8.1.160.0040.00418.88
8.1.150.0000.00818.56
8.1.140.0050.00217.32
8.1.130.0000.00717.86
8.1.120.0080.00017.32
8.1.110.0000.00817.35
8.1.100.0000.00717.26
8.1.90.0070.00017.37
8.1.80.0040.00417.40
8.1.70.0000.00717.38
8.1.60.0030.00617.42
8.1.50.0070.00017.39
8.1.40.0000.00717.40
8.1.30.0050.00317.60
8.1.20.0040.00417.48
8.1.10.0080.00017.52
8.1.00.0040.00417.33
8.0.300.0040.00419.93
8.0.290.0040.00416.93
8.0.280.0030.00318.36
8.0.270.0020.00517.19
8.0.260.0090.00016.79
8.0.250.0000.00716.91
8.0.240.0070.00316.77
8.0.230.0040.00416.88
8.0.220.0000.00716.73
8.0.210.0030.00316.82
8.0.200.0030.00316.77
8.0.190.0030.00316.91
8.0.180.0070.00016.80
8.0.170.0030.00316.75
8.0.160.0000.00816.77
8.0.150.0000.00716.66
8.0.140.0000.00716.77
8.0.130.0030.00313.28
8.0.120.0030.00416.71
8.0.110.0000.00716.88
8.0.100.0000.00816.76
8.0.90.0000.00716.82
8.0.80.0130.00316.83
8.0.70.0080.00016.63
8.0.60.0040.00416.75
8.0.50.0080.00016.69
8.0.30.0120.00616.95
8.0.20.0090.00917.40
8.0.10.0000.00716.80
8.0.00.0100.01216.52
7.4.330.0050.00016.70
7.4.320.0000.00816.50
7.4.300.0000.00716.53
7.4.290.0070.00016.52
7.4.280.0030.00316.41
7.4.270.0030.00616.42
7.4.260.0030.00313.13
7.4.250.0050.00316.30
7.4.240.0030.00616.34
7.4.230.0000.00716.56
7.4.220.0160.00716.54
7.4.210.0090.00816.49
7.4.200.0070.00016.45
7.4.190.0030.00316.46
7.4.160.0000.02116.49
7.4.150.0070.01017.40
7.4.140.0090.00917.86
7.4.130.0090.01116.40
7.4.120.0060.01216.29
7.4.110.0140.00716.32
7.4.100.0110.00616.40
7.4.90.0140.00316.47
7.4.80.0060.01019.39
7.4.70.0000.01716.42
7.4.60.0190.00616.25
7.4.50.0040.00416.13
7.4.40.0070.01022.77
7.4.30.0160.00016.17
7.4.00.0080.00814.95
7.3.330.0000.00613.24
7.3.320.0030.00313.08
7.3.310.0000.00716.18
7.3.300.0000.00716.23
7.3.290.0000.01416.21
7.3.280.0080.00816.18
7.3.270.0100.01017.40
7.3.260.0110.00918.24
7.3.250.0120.00616.19
7.3.240.0170.00016.18
7.3.230.0120.00416.39
7.3.210.0130.00316.20
7.3.200.0120.00316.35
7.3.190.0100.01116.30
7.3.180.0060.00916.44
7.3.170.0100.00716.27
7.3.160.0090.00616.10
7.3.120.0030.01414.75
7.3.10.0080.01116.17
7.3.00.0110.00816.46
7.2.330.0040.01316.51
7.2.320.0130.00316.56
7.2.310.0160.00716.36
7.2.300.0100.01116.61
7.2.290.0060.00916.61
7.2.130.0200.01116.69
7.2.120.0120.00516.56
7.2.110.0150.00516.25
7.2.100.0080.00816.56
7.2.90.0190.00516.79
7.2.80.0050.00716.77
7.2.70.0100.00716.43
7.2.60.0080.00516.32
7.2.50.0070.00816.43
7.2.40.0110.00716.56
7.2.30.0080.00716.60
7.2.20.0070.01216.52
7.2.10.0120.00716.62
7.2.00.0090.00717.72
7.1.250.0220.00415.29
7.1.200.0040.00415.50
7.1.100.0060.00318.15
7.1.70.0000.00717.13
7.1.60.0140.01019.40
7.1.50.0060.01816.80
7.1.00.0070.06322.44
7.0.200.0940.00714.67
7.0.140.0030.07322.07
7.0.90.0100.05319.96
7.0.80.0100.07719.85
7.0.70.0200.06319.89
7.0.60.0200.05019.84
7.0.50.0100.08320.31
7.0.40.0030.08320.04
7.0.30.0100.07019.96
7.0.20.0070.08720.09
7.0.10.0030.08020.14
7.0.00.0130.07020.12
5.6.280.0100.06720.90
5.6.240.0070.07720.64
5.6.230.0130.08020.66
5.6.220.0070.08320.70
5.6.210.0100.08020.45
5.6.200.0000.05321.11
5.6.190.0100.08021.11
5.6.180.0070.04321.08
5.6.170.0030.08721.10
5.6.160.0100.07320.99
5.6.150.0100.04721.08
5.6.140.0070.04721.07
5.6.130.0100.08320.94
5.6.120.0130.08321.10
5.6.110.0030.09021.03
5.6.100.0030.05721.09
5.6.90.0230.04721.01
5.6.80.0100.04020.43
5.6.70.0070.06020.49
5.6.60.0100.07320.36
5.6.50.0100.07320.32
5.6.40.0170.05320.30
5.6.30.0030.05020.44
5.6.20.0000.08320.49
5.6.10.0030.08320.36
5.6.00.0030.07020.35
5.5.380.0070.07720.49
5.5.370.0170.05720.36
5.5.360.0030.08320.53
5.5.350.0070.08320.33
5.5.340.0100.04720.80
5.5.330.0000.05020.87
5.5.320.0070.07720.80
5.5.310.0100.07020.88
5.5.300.0030.05020.86
5.5.290.0130.07720.80
5.5.280.0200.07320.77
5.5.270.0000.05720.91
5.5.260.0030.05320.62
5.5.250.0100.06720.68
5.5.240.0030.06020.12
5.5.230.0070.08020.28
5.5.220.0000.06020.14
5.5.210.0100.04720.26
5.5.200.0030.05320.21
5.5.190.0000.04320.27
5.5.180.0070.04320.23
5.5.160.0070.06020.22
5.5.150.0100.07020.22
5.5.140.0070.08020.10
5.5.130.0030.06720.06
5.5.120.0070.04320.10
5.5.110.0070.08020.23
5.5.100.0100.07320.07
5.5.90.0100.07720.04
5.5.80.0070.05720.04
5.5.70.0070.07720.08
5.5.60.0030.06020.16
5.5.50.0070.07020.14
5.5.40.0070.08020.09
5.5.30.0130.08020.10
5.5.20.0100.07319.95
5.5.10.0070.07720.07
5.5.00.0130.06720.00
5.4.450.0070.04719.38
5.4.440.0070.07719.45
5.4.430.0170.07019.49
5.4.420.0100.07019.41
5.4.410.0070.04019.10
5.4.400.0070.04018.86
5.4.390.0170.05719.04
5.4.380.0170.07018.90
5.4.370.0030.05018.96
5.4.360.0070.06719.09
5.4.350.0100.06718.90
5.4.340.0000.05319.21
5.4.320.0070.06719.14
5.4.310.0070.06018.91
5.4.300.0130.07318.85
5.4.290.0170.07019.14
5.4.280.0100.05319.18
5.4.270.0100.06318.87
5.4.260.0130.06319.04
5.4.250.0030.08019.04
5.4.240.0070.07318.94
5.4.230.0000.07318.84
5.4.220.0030.06319.04
5.4.210.0030.04319.13
5.4.200.0000.06019.11
5.4.190.0130.07319.12
5.4.180.0030.04319.11
5.4.170.0030.04719.21
5.4.160.0130.07319.00
5.4.150.0000.08019.02
5.4.140.0100.05716.40
5.4.130.0230.05716.41
5.4.120.0000.05016.20
5.4.110.0070.04716.39
5.4.100.0100.04316.42
5.4.90.0070.05016.32
5.4.80.0000.07016.25
5.4.70.0070.06716.48
5.4.60.0100.04016.36
5.4.50.0000.04016.30
5.4.40.0030.03716.46
5.4.30.0070.05716.33
5.4.20.0070.03316.37
5.4.10.0070.03316.32
5.4.00.0030.03715.81
5.3.290.0100.07014.72
5.3.280.0230.05714.62
5.3.270.0100.07714.74
5.3.260.0200.05014.63
5.3.250.0070.05014.61
5.3.240.0030.04314.74
5.3.230.0100.04014.55
5.3.220.0030.07314.54
5.3.210.0070.04314.54
5.3.200.0200.05314.59
5.3.190.0000.05014.53
5.3.180.0030.05314.59
5.3.170.0230.05314.48
5.3.160.0130.05314.68
5.3.150.0070.05014.63
5.3.140.0030.06714.70
5.3.130.0130.03014.54
5.3.120.0130.02714.50
5.3.110.0000.04014.64
5.3.100.0030.03714.06
5.3.90.0030.03714.07
5.3.80.0030.03714.00
5.3.70.0030.03714.13
5.3.60.0030.04714.00
5.3.50.0070.03313.86
5.3.40.0070.03314.06
5.3.30.0000.03713.99
5.3.20.0000.03713.71
5.3.10.0030.03313.57
5.3.00.0030.03313.55
5.2.170.0030.03011.13
5.2.160.0000.02710.96
5.2.150.0030.04711.09
5.2.140.0030.02711.20
5.2.130.0070.02710.98
5.2.120.0130.02011.03
5.2.110.0030.06011.10
5.2.100.0030.02311.00
5.2.90.0100.02311.16
5.2.80.0070.02311.10
5.2.70.0070.06011.14
5.2.60.0070.02711.07
5.2.50.0030.03310.87
5.2.40.0030.02711.02
5.2.30.0000.03010.99
5.2.20.0030.03010.87
5.2.10.0070.02310.84
5.2.00.0030.02010.82
5.1.60.0030.05310.07
5.1.50.0000.02710.08
5.1.40.0070.01710.07
5.1.30.0000.02710.39
5.1.20.0070.03010.48
5.1.10.0070.02310.13
5.1.00.0000.02310.16
5.0.50.0000.0178.54
5.0.40.0000.0208.47
5.0.30.0030.0238.06
5.0.20.0000.0178.03
5.0.10.0030.0178.02
5.0.00.0070.0208.00
4.4.90.0000.0236.99
4.4.80.0070.0106.99
4.4.70.0000.0176.99
4.4.60.0000.0176.99
4.4.50.0000.0176.99
4.4.40.0000.0276.99
4.4.30.0000.0176.99
4.4.20.0030.0176.99
4.4.10.0000.0176.99
4.4.00.0000.0236.99
4.3.110.0000.0176.99
4.3.100.0000.0136.99
4.3.90.0030.0106.99
4.3.80.0030.0336.99
4.3.70.0030.0136.99
4.3.60.0000.0136.99
4.3.50.0070.0106.99
4.3.40.0030.0206.99
4.3.30.0000.0136.99
4.3.20.0000.0176.99
4.3.10.0000.0176.99
4.3.00.0000.0136.99

preferences:
43.59 ms | 401 KiB | 5 Q