3v4l.org

run code in 300+ PHP versions simultaneously
<?php class SomeClass implements \JsonSerializable { private $content; public function jsonSerialize() { return $this->content; } }

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)
8.3.60.0160.00618.37
8.3.50.0070.00719.84
8.3.40.0110.00318.70
8.3.30.0110.00318.39
8.3.20.0070.00020.34
8.3.10.0090.00921.78
8.3.00.0030.00519.07
8.2.180.0100.01018.16
8.2.170.0090.00622.96
8.2.160.0070.00719.25
8.2.150.0060.00324.18
8.2.140.0110.00724.66
8.2.130.0070.00020.35
8.2.120.0040.00426.35
8.2.110.0030.00921.00
8.2.100.0060.00617.80
8.2.90.0040.00418.88
8.2.80.0050.00317.97
8.2.70.0050.00317.50
8.2.60.0030.00619.09
8.2.50.0080.00018.10
8.2.40.0030.00620.67
8.2.30.0040.00419.18
8.2.20.0000.00717.52
8.2.10.0050.00217.87
8.2.00.0070.00017.92
8.1.280.0160.00325.92
8.1.270.0080.00023.91
8.1.260.0110.00728.09
8.1.250.0040.00428.09
8.1.240.0090.00021.24
8.1.230.0100.00017.58
8.1.220.0000.00917.74
8.1.210.0080.00018.77
8.1.200.0040.00417.35
8.1.190.0040.00417.23
8.1.180.0000.00818.10
8.1.170.0030.00718.50
8.1.160.0040.00418.83
8.1.150.0030.00518.73
8.1.140.0060.00317.33
8.1.130.0030.00317.57
8.1.120.0070.00017.40
8.1.110.0000.00817.25
8.1.100.0040.00417.44
8.1.90.0000.00717.39
8.1.80.0030.00417.40
8.1.70.0040.00317.34
8.1.60.0000.00817.51
8.1.50.0000.00817.33
8.1.40.0040.00417.46
8.1.30.0030.00517.53
8.1.20.0080.00017.53
8.1.10.0000.00717.27
8.1.00.0040.00417.32
8.0.300.0000.00718.77
8.0.290.0040.00416.63
8.0.280.0030.00318.42
8.0.270.0060.00316.76
8.0.260.0030.00317.09
8.0.250.0030.00316.90
8.0.240.0020.00516.82
8.0.230.0070.00016.84
8.0.220.0070.00016.83
8.0.210.0030.00316.73
8.0.200.0080.00016.93
8.0.190.0040.00416.77
8.0.180.0000.00816.74
8.0.170.0040.00416.83
8.0.160.0030.00516.73
8.0.150.0000.00716.75
8.0.140.0000.00716.75
8.0.130.0000.00613.27
8.0.120.0030.00616.68
8.0.110.0020.00516.64
8.0.100.0040.00416.88
8.0.90.0070.00016.68
8.0.80.0060.00816.70
8.0.70.0000.00816.82
8.0.60.0070.00016.67
8.0.50.0000.00716.66
8.0.30.0090.00816.76
8.0.20.0130.00817.40
8.0.10.0050.00316.94
8.0.00.0060.01216.73
7.4.330.0000.00515.08
7.4.320.0000.00716.45
7.4.300.0000.00616.50
7.4.290.0070.00016.52
7.4.280.0000.00716.52
7.4.270.0000.00716.36
7.4.260.0070.00016.50
7.4.250.0040.00416.38
7.4.240.0000.00716.34
7.4.230.0030.00316.60
7.4.220.0090.00916.45
7.4.210.0090.00916.54
7.4.200.0040.00416.60
7.4.160.0050.01016.25
7.4.150.0060.01217.40
7.4.140.0070.01017.86
7.4.130.0100.00716.39
7.4.120.0070.01016.47
7.4.110.0080.00816.30
7.4.100.0130.00316.51
7.4.90.0110.00716.57
7.4.80.0060.01919.39
7.4.70.0120.00616.45
7.4.60.0120.00916.32
7.4.50.0130.00016.24
7.4.40.0030.01316.52
7.4.30.0150.00616.40
7.4.00.0040.00814.91
7.3.330.0000.00613.15
7.3.320.0040.00812.96
7.3.310.0030.00316.23
7.3.300.0030.00316.05
7.3.290.0080.00716.16
7.3.280.0100.00816.15
7.3.270.0060.01117.40
7.3.260.0140.00616.44
7.3.250.0120.00816.20
7.3.240.0050.01216.19
7.3.230.0060.01216.39
7.3.210.0030.01316.32
7.3.200.0160.00016.25
7.3.190.0070.00716.45
7.3.180.0130.00716.27
7.3.170.0060.01316.39
7.3.160.0030.01516.45
7.3.120.0030.01614.82
7.3.110.0080.00814.86
7.3.100.0000.01214.66
7.3.90.0110.00414.58
7.3.80.0090.00314.82
7.3.70.0030.00914.53
7.3.60.0030.01014.76
7.3.50.0000.01514.75
7.3.40.0070.00314.70
7.3.30.0070.01114.66
7.3.20.0120.00316.39
7.3.10.0090.00616.45
7.3.00.0040.00416.44
7.2.330.0070.01016.22
7.2.320.0030.01216.26
7.2.310.0130.00316.50
7.2.300.0060.01016.29
7.2.290.0110.00616.66
7.2.250.0110.00415.10
7.2.240.0000.01714.54
7.2.230.0140.00314.79
7.2.220.0060.00314.78
7.2.210.0000.01314.41
7.2.200.0000.01415.06
7.2.190.0030.00914.84
7.2.180.0120.00314.97
7.2.170.0110.00414.95
7.2.60.0090.00616.68
7.2.00.0030.01019.07
7.1.330.0000.01315.62
7.1.320.0030.00615.55
7.1.310.0080.00415.74
7.1.300.0040.01215.67
7.1.290.0070.00415.54
7.1.280.0140.00415.68
7.1.270.0030.01315.63
7.1.260.0120.00315.57
7.1.200.0030.01015.43
7.1.70.0030.00716.84
7.1.60.0150.00319.90
7.1.00.0000.08022.35
7.0.200.1120.00414.44
7.0.70.0200.06019.96
7.0.60.0300.04719.98
7.0.50.0230.05020.32
7.0.40.0200.05320.31
7.0.30.0230.06320.31
7.0.20.0230.05320.34
7.0.10.0200.06020.30
7.0.00.0330.06020.35
5.6.220.0300.06720.64
5.6.210.0170.05720.53
5.6.200.0230.05021.13
5.6.190.0100.06320.98
5.6.180.0200.06021.00
5.6.170.0100.06721.01
5.6.160.0300.07021.06
5.6.150.0370.05321.14
5.6.140.0370.05321.04
5.6.130.0230.06721.14
5.6.120.0100.06021.12
5.6.110.0230.05720.96
5.6.100.0330.08020.99
5.6.90.0130.08720.96
5.6.80.0370.04720.46
5.6.70.0300.05020.38
5.6.60.0430.05720.47
5.6.50.0300.05320.53
5.6.40.0400.04320.33
5.6.30.0330.05020.43
5.6.20.0200.07320.34
5.6.10.0400.07020.25
5.6.00.0430.05720.36
5.5.360.0200.06020.48
5.5.350.0170.05720.29
5.5.340.0200.05320.75
5.5.330.0100.06720.89
5.5.320.0270.05320.90
5.5.310.0230.05020.65
5.5.300.0400.05020.89
5.5.290.0230.07720.82
5.5.280.0070.07020.68
5.5.270.0330.05720.64
5.5.260.0400.07720.84
5.5.250.0300.07720.71
5.5.240.0400.04720.25
5.5.230.0300.06320.27
5.5.220.0400.05320.18
5.5.210.0300.06020.09
5.5.200.0430.04020.21
5.5.190.0330.05320.07
5.5.180.0270.06020.22
5.5.160.0370.06320.21
5.5.150.0200.06020.28
5.5.140.0030.06020.18
5.5.130.0170.06020.20
5.5.120.0330.05320.04
5.5.110.0300.06020.18
5.5.100.0230.06319.90
5.5.90.0230.05720.16
5.5.80.0270.05319.98
5.5.70.0200.06019.98
5.5.60.0100.06020.13
5.5.50.0200.06019.95
5.5.40.0370.04719.94
5.5.30.0270.06019.95
5.5.20.0330.06720.04
5.5.10.0300.06719.94
5.5.00.0230.06020.05

preferences:
73.63 ms | 400 KiB | 5 Q