3v4l.org

run code in 300+ PHP versions simultaneously
<?php abstract class AbstractEvent { protected $id; private $hidden; } class Event extends AbstractEvent implements JsonSerializable { private $value; public function jsonSerialize() { return get_object_vars($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)
8.3.70.0040.01516.50
8.3.60.0030.01216.75
8.3.50.0120.01221.10
8.3.40.0110.00718.79
8.3.30.0140.00018.86
8.3.20.0030.00520.25
8.3.10.0040.00423.48
8.3.00.0040.00419.56
8.2.190.0090.00616.63
8.2.180.0040.01125.92
8.2.170.0140.00022.96
8.2.160.0100.00320.35
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0030.00717.59
8.2.110.0070.00320.89
8.2.100.0120.00017.63
8.2.90.0050.00319.27
8.2.80.0000.00817.97
8.2.70.0000.00817.63
8.2.60.0000.00817.93
8.2.50.0080.00018.07
8.2.40.0050.00319.38
8.2.30.0040.00418.07
8.2.20.0050.00317.74
8.2.10.0040.00418.06
8.2.00.0000.00718.00
8.1.280.0090.00925.92
8.1.270.0110.00620.20
8.1.260.0000.00826.35
8.1.250.0060.00328.09
8.1.240.0030.00719.27
8.1.230.0000.01217.42
8.1.220.0000.00817.74
8.1.210.0000.00818.77
8.1.200.0080.00017.35
8.1.190.0000.00817.23
8.1.180.0080.00018.10
8.1.170.0030.00618.69
8.1.160.0000.00722.03
8.1.150.0020.00518.89
8.1.140.0040.00417.50
8.1.130.0000.00717.58
8.1.120.0040.00417.50
8.1.110.0100.00017.36
8.1.100.0030.00317.39
8.1.90.0000.00717.32
8.1.80.0000.00717.40
8.1.70.0000.00717.48
8.1.60.0050.00317.63
8.1.50.0080.00017.49
8.1.40.0040.00417.48
8.1.30.0000.00817.70
8.1.20.0070.00017.65
8.1.10.0070.00317.45
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0000.00816.63
8.0.280.0030.00318.38
8.0.270.0030.00317.34
8.0.260.0040.00417.25
8.0.250.0040.00416.95
8.0.240.0000.00616.91
8.0.230.0000.00817.02
8.0.220.0070.00016.86
8.0.210.0040.00416.93
8.0.200.0000.00616.92
8.0.190.0090.00316.95
8.0.180.0050.00316.82
8.0.170.0030.00516.80
8.0.160.0040.00416.79
8.0.150.0000.00716.86
8.0.140.0000.00716.87
8.0.130.0000.00513.30
8.0.120.0050.00316.86
8.0.110.0050.00316.82
8.0.100.0000.00816.87
8.0.90.0000.00716.71
8.0.80.0110.01116.87
8.0.70.0000.00716.84
8.0.60.0030.00516.84
8.0.50.0000.00716.76
8.0.30.0110.00716.83
8.0.20.0110.00817.40
8.0.10.0040.00417.08
8.0.00.0110.00816.77
7.4.330.0000.00515.08
7.4.320.0030.00316.49
7.4.300.0000.00616.62
7.4.290.0030.00316.40
7.4.280.0040.00416.58
7.4.270.0000.00816.58
7.4.260.0000.00716.49
7.4.250.0040.00416.61
7.4.240.0040.00316.59
7.4.230.0070.00016.48
7.4.220.0030.01916.46
7.4.210.0100.00616.60
7.4.200.0040.00416.48
7.4.160.0100.00616.45
7.4.150.0090.00917.40
7.4.140.0100.01217.86
7.4.130.0140.00316.44
7.4.120.0070.01216.56
7.4.110.0110.00716.64
7.4.100.0120.00616.40
7.4.90.0120.00616.60
7.4.80.0090.00919.39
7.4.70.0030.01316.34
7.4.60.0100.00716.39
7.4.50.0030.00516.47
7.4.40.0120.00616.55
7.4.30.0110.01116.66
7.4.00.0070.01014.91
7.3.330.0060.00013.15
7.3.320.0030.00213.32
7.3.310.0040.00316.20
7.3.300.0070.00016.34
7.3.290.0040.00416.30
7.3.280.0070.00916.28
7.3.270.0110.00717.40
7.3.260.0090.00916.29
7.3.250.0090.00916.35
7.3.240.0030.01616.58
7.3.230.0040.01816.39
7.3.210.0090.00616.46
7.3.200.0070.01016.59
7.3.190.0130.00316.16
7.3.180.0100.01016.45
7.3.170.0070.01416.27
7.3.160.0090.00916.27
7.3.10.0130.00016.66
7.3.00.0030.00716.54
7.2.330.0070.01016.32
7.2.320.0070.01716.64
7.2.310.0070.01016.65
7.2.300.0060.01116.62
7.2.290.0030.01416.72
7.2.130.0030.01416.69
7.2.120.0070.01016.83
7.2.110.0070.01016.81
7.2.100.0000.01516.97
7.2.90.0110.00316.86
7.2.80.0000.01116.57
7.2.70.0040.00816.96
7.2.60.0030.01216.84
7.2.50.0030.00617.00
7.2.40.0030.00716.92
7.2.30.0060.00316.84
7.2.20.0090.00616.88
7.2.10.0120.00316.86
7.2.00.0050.00918.13
7.1.250.0000.01315.85
7.1.200.0110.00415.85
7.1.100.0090.00617.91
7.1.70.0040.00717.07
7.1.60.0140.00719.27
7.1.50.0170.00716.89
7.1.00.0030.07722.54
7.0.200.0030.00716.55
7.0.90.0630.08319.90
7.0.80.0530.05319.98
7.0.70.0570.05319.84
7.0.60.0530.07319.95
7.0.50.0630.07020.30
7.0.40.0070.05720.09
7.0.30.0030.05720.18
7.0.20.0100.07320.13
7.0.10.0070.08019.95
7.0.00.0030.05020.02
5.6.280.0000.07320.86
5.6.240.0070.08320.70
5.6.230.0100.07720.67
5.6.220.0100.05020.62
5.6.210.0030.08720.69
5.6.200.0100.08720.93
5.6.190.0100.04721.14
5.6.180.0200.07321.04
5.6.170.0100.07721.11
5.6.160.0030.04721.01
5.6.150.0000.04721.08
5.6.140.0030.04321.02
5.6.130.0070.04020.93
5.6.120.0030.04721.17
5.6.110.0000.04320.96
5.6.100.0100.03720.91
5.6.90.0000.04720.93
5.6.80.0030.04020.47
5.6.70.0030.07720.51
5.6.60.0100.03720.42
5.6.50.0070.03720.41
5.6.40.0000.04320.43
5.6.30.0000.03720.41
5.6.20.0030.03720.40
5.6.10.0100.03020.30
5.6.00.0030.03720.45
5.5.380.0100.07720.37
5.5.370.0130.05320.43
5.5.360.0030.05320.41
5.5.350.0200.07020.41
5.5.340.0100.08320.92
5.5.330.0170.06020.80
5.5.320.0070.08020.64
5.5.310.0130.04720.89
5.5.300.0030.04720.89
5.5.290.0030.05720.91
5.5.280.0030.04020.75
5.5.270.0000.04320.75
5.5.260.0030.04320.88
5.5.250.0030.03720.62
5.5.240.0000.04320.27
5.5.230.0000.06720.17
5.5.220.0100.03720.20
5.5.210.0130.03020.15
5.5.200.0030.05019.99
5.5.190.0030.03720.21
5.5.180.0070.05320.12
5.5.160.0070.03720.21
5.5.150.0100.05020.18
5.5.140.0000.03720.14
5.5.130.0070.04320.25
5.5.120.0030.04020.18
5.5.110.0030.04020.14
5.5.100.0030.04020.07
5.5.90.0100.06020.09
5.5.80.0030.03720.16
5.5.70.0130.02720.10
5.5.60.0070.05720.06
5.5.50.0070.03720.00
5.5.40.0070.04320.15
5.5.30.0130.03020.05
5.5.20.0000.04320.03
5.5.10.0100.06020.11
5.5.00.0170.07020.13
5.4.450.0000.04719.23
5.4.440.0130.04019.50
5.4.430.0070.03319.22
5.4.420.0030.03719.46
5.4.410.0030.05319.24
5.4.400.0100.05019.18
5.4.390.0030.05718.85
5.4.380.0030.03719.23
5.4.370.0030.03719.18
5.4.360.0070.05719.04
5.4.350.0100.05319.15
5.4.340.0030.05318.88
5.4.320.0000.05319.14
5.4.310.0030.03319.16
5.4.300.0070.03718.87
5.4.290.0000.03719.04
5.4.280.0070.05319.18
5.4.270.0100.07018.87
5.4.260.0030.04319.18
5.4.250.0070.04319.23
5.4.240.0070.03319.22
5.4.230.0000.04019.04
5.4.220.0030.04018.86
5.4.210.0070.03719.13
5.4.200.0100.03019.17
5.4.190.0030.03719.02
5.4.180.0130.04319.04
5.4.170.0070.07719.04
5.4.160.0070.07718.86
5.4.150.0100.05019.18
5.4.140.0100.06716.45
5.4.130.0070.06716.49
5.4.120.0130.05716.37
5.4.110.0030.07316.46
5.4.100.0100.04716.48
5.4.90.0100.05716.36
5.4.80.0170.06316.46
5.4.70.0070.07316.30
5.4.60.0100.06716.31
5.4.50.0070.07316.48
5.4.40.0130.06716.50
5.4.30.0030.07016.30
5.4.20.0070.06716.43
5.4.10.0030.07316.31
5.4.00.0070.07315.73

preferences:
56.05 ms | 401 KiB | 5 Q