3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class AbstractEvent { protected $id; private $hidden; } final class Event extends AbstractEvent implements JsonSerializable { private $value; public function __construct() { $this->id = 5; $this->value = 'abc'; } public function jsonSerialize() { return get_object_vars($this); } } $e = new Event(); echo json_encode($e);

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)
8.3.60.0090.00616.88
8.3.50.0170.00221.08
8.3.40.0120.00618.72
8.3.30.0060.00918.68
8.3.20.0040.00420.16
8.3.10.0070.00023.66
8.3.00.0080.00019.69
8.2.180.0150.00618.13
8.2.170.0060.00922.96
8.2.160.0030.01020.29
8.2.150.0000.00724.18
8.2.140.0000.00724.66
8.2.130.0030.00626.16
8.2.120.0060.00317.75
8.2.110.0030.00622.01
8.2.100.0060.00617.63
8.2.90.0040.00419.23
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0000.00817.80
8.2.50.0000.00818.07
8.2.40.0030.00619.39
8.2.30.0030.00618.02
8.2.20.0000.00817.69
8.2.10.0040.00418.07
8.2.00.0040.00417.93
8.1.280.0080.00825.92
8.1.270.0060.00920.38
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00422.55
8.1.230.0030.00917.42
8.1.220.0030.00617.74
8.1.210.0000.00918.77
8.1.200.0090.00017.35
8.1.190.0040.00417.35
8.1.180.0030.00618.10
8.1.170.0080.00018.42
8.1.160.0020.00521.99
8.1.150.0000.00818.86
8.1.140.0040.00417.32
8.1.130.0000.00717.77
8.1.120.0040.00417.49
8.1.110.0030.00717.34
8.1.100.0000.00717.34
8.1.90.0020.00517.49
8.1.80.0020.00517.34
8.1.70.0030.00517.38
8.1.60.0000.00717.48
8.1.50.0040.00417.55
8.1.40.0040.00717.51
8.1.30.0040.00417.67
8.1.20.0040.00417.58
8.1.10.0000.00817.64
8.1.00.0040.00417.53
8.0.300.0000.00718.77
8.0.290.0080.00016.75
8.0.280.0030.00318.45
8.0.270.0070.00017.24
8.0.260.0040.00417.31
8.0.250.0040.00416.84
8.0.240.0060.00016.99
8.0.230.0030.00517.01
8.0.220.0030.00316.92
8.0.210.0030.00316.90
8.0.200.0000.00617.01
8.0.190.0000.00916.99
8.0.180.0050.00216.92
8.0.170.0030.00616.88
8.0.160.0000.00816.90
8.0.150.0070.00016.82
8.0.140.0030.00316.73
8.0.130.0080.00013.27
8.0.120.0000.00816.86
8.0.110.0000.00716.83
8.0.100.0040.00416.68
8.0.90.0030.00616.79
8.0.80.0100.01016.95
8.0.70.0000.00716.83
8.0.60.0000.00816.71
8.0.50.0040.00416.91
8.0.30.0100.00717.04
8.0.20.0100.00917.40
8.0.10.0040.00416.85
8.0.00.0120.00516.56
7.4.330.0030.00315.08
7.4.320.0030.00316.40
7.4.300.0030.00316.50
7.4.290.0040.00416.51
7.4.280.0000.00816.34
7.4.270.0070.00316.41
7.4.260.0000.00716.45
7.4.250.0040.00416.32
7.4.240.0020.00516.54
7.4.230.0000.00716.62
7.4.220.0090.00916.68
7.4.210.0080.00816.63
7.4.200.0070.00016.63
7.4.160.0000.01616.32
7.4.150.0120.00617.40
7.4.140.0100.01117.86
7.4.130.0070.01016.44
7.4.120.0100.00716.47
7.4.110.0030.01516.55
7.4.100.0140.00316.59
7.4.90.0040.01316.60
7.4.80.0190.00319.39
7.4.70.0150.00416.66
7.4.60.0100.01016.53
7.4.50.0040.00416.70
7.4.40.0090.00616.70
7.4.30.0070.01116.54
7.4.00.0030.01414.99
7.3.330.0030.00313.32
7.3.320.0050.00013.25
7.3.310.0000.00816.29
7.3.300.0070.00016.34
7.3.290.0030.00316.34
7.3.280.0110.00816.29
7.3.270.0150.00317.40
7.3.260.0170.00016.25
7.3.250.0090.00916.33
7.3.240.0070.01016.36
7.3.230.0120.01216.39
7.3.210.0090.00616.47
7.3.200.0200.00316.43
7.3.190.0120.00616.37
7.3.180.0030.01216.16
7.3.170.0000.01816.32
7.3.160.0140.00316.32
7.2.330.0030.01416.45
7.2.320.0300.01616.79
7.2.310.0100.01016.73
7.2.300.0070.00916.66
7.2.290.0100.00616.40
7.1.70.0070.00316.88
7.1.60.0030.00719.27
7.1.50.0090.01616.79
7.1.00.0000.08022.36
7.0.200.0040.00816.73
7.0.90.0270.05019.99
7.0.80.0530.08320.00
7.0.70.0630.07019.86
7.0.60.0700.07019.94
7.0.50.0470.05720.27
7.0.40.0030.05020.14
7.0.30.0070.04320.05
7.0.20.0070.07720.04
7.0.10.0070.05020.04
7.0.00.0100.08319.99
5.6.280.0030.05021.05
5.6.240.0100.05320.49
5.6.230.0170.05720.75
5.6.220.0230.07020.54
5.6.210.0070.05720.76
5.6.200.0070.05321.04
5.6.190.0000.06321.04
5.6.180.0100.07021.04
5.6.170.0200.07321.05
5.6.160.0170.08021.13
5.6.150.0000.08321.11
5.6.140.0070.05721.08
5.6.130.0170.07321.03
5.6.120.0030.08721.05
5.6.110.0230.08021.05
5.6.100.0030.05321.13
5.6.90.0070.08020.99
5.6.80.0070.04320.43
5.6.70.0070.04320.44
5.6.60.0030.04720.32
5.6.50.0130.06720.56
5.6.40.0200.04020.45
5.6.30.0130.05020.41
5.6.20.0070.08320.46
5.6.10.0030.06020.41
5.6.00.0070.07720.38
5.5.380.0130.07020.57
5.5.370.0100.08020.42
5.5.360.0070.04320.49
5.5.350.0000.05020.35
5.5.340.0030.04720.87
5.5.330.0200.07020.65
5.5.320.0170.04320.94
5.5.310.0070.08020.78
5.5.300.0070.08020.76
5.5.290.0000.09320.80
5.5.280.0100.04020.91
5.5.270.0030.06720.80
5.5.260.0000.05020.86
5.5.250.0100.08020.61
5.5.240.0030.05020.17
5.5.230.0130.07320.31
5.5.220.0030.08020.16
5.5.210.0270.05020.27
5.5.200.0030.08320.22
5.5.190.0030.04320.15
5.5.180.0070.08320.19
5.5.160.0100.05020.23
5.5.150.0100.07720.18
5.5.140.0070.07720.21
5.5.130.0070.07720.26
5.5.120.0170.04320.14
5.5.110.0130.09020.27
5.5.100.0130.08720.10
5.5.90.0170.06719.98
5.5.80.0100.03720.16
5.5.70.0100.04320.14
5.5.60.0100.06320.09
5.5.50.0070.04320.11
5.5.40.0200.05720.00
5.5.30.0030.04020.00
5.5.20.0130.03020.14
5.5.10.0070.04019.98
5.5.00.0100.03320.13
5.4.450.0070.08019.36
5.4.440.0070.04019.35
5.4.430.0070.05019.55
5.4.420.0030.08719.34
5.4.410.0000.05019.07
5.4.400.0100.03719.21
5.4.390.0030.08019.23
5.4.380.0030.07018.95
5.4.370.0070.05319.21
5.4.360.0100.08318.90
5.4.350.0100.03719.16
5.4.340.0100.07319.09
5.4.320.0100.07319.02
5.4.310.0030.04319.12
5.4.300.0100.04719.02
5.4.290.0030.04019.22
5.4.280.0100.07319.04
5.4.270.0070.08019.04
5.4.260.0070.07019.02
5.4.250.0130.07319.08
5.4.240.0070.07018.94
5.4.230.0000.04718.89
5.4.220.0030.04018.86
5.4.210.0170.07319.18
5.4.200.0030.07719.04
5.4.190.0000.04319.11
5.4.180.0070.03719.11
5.4.170.0030.04019.15
5.4.160.0000.04018.85
5.4.150.0030.03719.02
5.4.140.0100.02716.41
5.4.130.0070.03316.36
5.4.120.0030.03716.36
5.4.110.0030.03716.47
5.4.100.0070.04016.51
5.4.90.0030.03316.41
5.4.80.0000.04016.37
5.4.70.0070.03316.53
5.4.60.0030.03716.37
5.4.50.0030.03016.30
5.4.40.0030.03716.31
5.4.30.0030.03016.25
5.4.20.0000.04016.32
5.4.10.0000.03716.43
5.4.00.0030.03315.80

preferences:
62.65 ms | 401 KiB | 5 Q