3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MySplFileObject extends SplFileObject{ public function __construct() {} public function serialize() {return '';} public function unserialize($data) {} } $fileObject = new MySplFileObject; //echo serialize($fileObject); $fileObject = unserialize('O:15:"MySplFileObject":0:{}'); var_dump($fileObject); echo $fileObject;

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)
8.3.60.0120.00616.63
8.3.50.0050.00922.05
8.3.40.0140.00418.80
8.3.30.0030.01019.22
8.3.20.0080.00020.20
8.3.10.0090.00023.52
8.3.00.0080.00019.26
8.2.180.0130.00616.59
8.2.170.0100.00322.96
8.2.160.0070.00720.40
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00420.47
8.2.110.0040.00422.09
8.2.100.0080.00417.78
8.2.90.0030.00619.23
8.2.80.0040.00417.97
8.2.70.0000.00817.50
8.2.60.0030.00617.80
8.2.50.0030.00618.07
8.2.40.0090.00019.66
8.2.30.0080.00018.20
8.2.20.0080.00017.59
8.2.10.0030.00518.03
8.2.00.0000.00817.61
8.1.280.0110.00425.92
8.1.270.0040.00423.87
8.1.260.0000.00726.35
8.1.250.0000.00828.09
8.1.240.0000.00923.89
8.1.230.0040.00819.16
8.1.220.0000.00717.74
8.1.210.0050.00518.77
8.1.200.0090.00017.36
8.1.190.0000.00817.10
8.1.180.0040.00419.13
8.1.170.0060.00318.29
8.1.160.0040.00421.96
8.1.150.0030.00618.61
8.1.140.0000.00917.25
8.1.130.0040.00417.91
8.1.120.0000.00817.33
8.1.110.0030.00517.39
8.1.100.0000.00817.43
8.1.90.0000.00717.43
8.1.80.0000.00817.39
8.1.70.0000.00717.29
8.1.60.0080.00017.50
8.1.50.0000.00817.43
8.1.40.0050.00317.53
8.1.30.0080.00017.60
8.1.20.0040.00417.57
8.1.10.0060.00317.59
8.1.00.0050.00317.51
8.0.300.0040.00418.77
8.0.290.0040.00417.05
8.0.280.0050.00318.42
8.0.270.0000.00716.90
8.0.260.0000.00717.15
8.0.250.0000.00717.06
8.0.240.0070.00016.93
8.0.230.0070.00016.88
8.0.220.0000.00716.79
8.0.210.0030.00316.89
8.0.200.0000.00617.03
8.0.190.0040.00416.96
8.0.180.0080.00016.91
8.0.170.0040.00416.95
8.0.160.0040.00416.96
8.0.150.0070.00016.88
8.0.140.0040.00316.87
8.0.130.0030.00313.36
8.0.120.0050.00316.90
8.0.110.0040.00416.74
8.0.100.0030.00616.94
8.0.90.0000.00716.95
8.0.80.0100.00716.86
8.0.70.0040.00416.97
8.0.60.0040.00416.82
8.0.50.0070.00016.73
8.0.30.0080.01017.30
8.0.20.0150.00517.40
8.0.10.0050.00316.89
8.0.00.0050.01216.97
7.4.330.0000.00515.00
7.4.320.0000.00716.54
7.4.300.0000.00616.48
7.4.290.0060.00316.61
7.4.280.0000.00816.63
7.4.270.0030.00516.51
7.4.260.0020.00516.65
7.4.250.0070.00016.60
7.4.240.0010.00616.59
7.4.230.0030.00316.55
7.4.220.0070.01016.55
7.4.210.0050.00916.51
7.4.200.0030.00316.64
7.4.190.0050.00216.69
7.4.160.0090.00616.50
7.4.150.0110.00617.40
7.4.140.0080.01217.86
7.4.130.0120.00816.60
7.4.120.0160.00716.58
7.4.110.0030.01316.82
7.4.100.0040.01716.57
7.4.90.0100.01016.62
7.4.80.0140.00819.39
7.4.70.0050.01016.49
7.4.60.0100.00716.35
7.4.50.0030.00616.46
7.4.40.0130.00316.74
7.4.30.0090.00616.46
7.4.00.0140.00315.09
7.3.330.0050.00013.29
7.3.320.0060.00013.25
7.3.310.0040.00416.34
7.3.300.0030.00316.33
7.3.290.0060.00816.35
7.3.280.0040.01216.29
7.3.270.0130.00317.40
7.3.260.0090.00916.25
7.3.250.0090.00816.49
7.3.240.0120.00616.42
7.3.230.0060.01216.39
7.3.210.0120.00616.38
7.3.200.0180.00619.39
7.3.190.0130.00616.63
7.3.180.0070.01016.40
7.3.170.0050.01116.40
7.3.160.0060.00916.35
7.3.120.0030.00914.89
7.2.330.0120.00916.58
7.2.320.0040.01516.69
7.2.310.0100.00716.71
7.2.300.0100.00616.64
7.2.290.0220.00016.59
7.2.60.0030.01017.06
7.2.00.0060.00919.36
7.1.200.0000.01215.77
7.1.100.0070.00318.00
7.1.70.0000.00917.36
7.1.60.0090.01319.46
7.1.50.0180.01416.83
7.1.00.0070.07322.57
7.0.200.0070.00016.73
7.0.140.0070.07022.15
7.0.60.0130.05020.00
7.0.50.0130.07717.85
7.0.40.0130.08020.15
7.0.30.0400.07320.07
7.0.20.0300.08320.10
7.0.10.0070.09020.34
7.0.00.0030.09020.10
5.6.280.0030.07320.84
5.6.210.0100.03320.55
5.6.200.0070.08718.19
5.6.190.0070.09320.61
5.6.180.0130.08020.42
5.6.170.0270.06020.42
5.6.160.0100.08020.52
5.6.150.0030.04318.18
5.6.140.0030.08318.18
5.6.130.0030.05718.19
5.6.120.0130.08021.07
5.6.110.0030.05321.00
5.6.100.0000.08721.06
5.6.90.0100.06021.10
5.6.80.0170.08020.55
5.5.350.2830.04320.45
5.5.340.0130.07018.00
5.5.330.0170.07020.25
5.5.320.0230.03720.24
5.5.310.0300.07720.24
5.5.300.0000.08018.08
5.5.290.0030.07017.98
5.5.280.0170.07720.74
5.5.270.0130.07320.89
5.5.260.0070.03720.78
5.5.250.0130.08020.73
5.5.240.0030.03720.21
5.4.450.0800.06019.54
5.4.440.0800.05319.39
5.4.430.1330.05319.30
5.4.420.0370.06019.47
5.4.410.1030.05019.16
5.4.400.0800.04719.02
5.4.390.0770.05719.34
5.4.380.0030.06318.74
5.4.370.0170.05318.52
5.4.360.0230.04018.70
5.4.350.0130.05318.77
5.4.340.0200.05018.84
5.4.320.0070.05412.52
5.4.310.0090.05212.52
5.4.300.0090.03712.52
5.4.290.0110.05912.52
5.4.280.0200.05412.43
5.4.270.0160.05612.43
5.4.260.0090.04212.43
5.4.250.0120.03612.43
5.4.240.0060.04612.43
5.4.230.0090.04112.42
5.4.220.0090.04212.42
5.4.210.0100.03812.42
5.4.200.0070.04212.42
5.4.190.0090.03812.42
5.4.180.0060.04112.41
5.4.170.0080.04112.43
5.4.160.0080.03912.43
5.4.150.0100.04212.42
5.4.140.0100.04812.11
5.4.130.0070.05312.09
5.4.120.0120.04912.05
5.4.110.0080.04212.05
5.4.100.0290.05712.05
5.4.90.0240.08212.05
5.4.80.0120.04112.05
5.4.70.0100.04112.05
5.4.60.0080.03812.04
5.4.50.0090.03712.04
5.4.40.0050.03912.04
5.4.30.0060.04112.03
5.4.20.0070.03912.03
5.4.10.0080.03812.03
5.4.00.0080.05211.52
5.3.290.0080.05612.80
5.3.280.0090.06012.71
5.3.270.0150.08112.73
5.3.260.0130.07912.72
5.3.250.0110.03612.72
5.3.240.0050.04012.72
5.3.230.0080.03912.71
5.3.220.0110.03412.68
5.3.210.0050.05012.68
5.3.200.0040.04012.68
5.3.190.0080.03712.68
5.3.180.0100.03912.68
5.3.170.0070.05612.67
5.3.160.0110.04712.67
5.3.150.0140.05112.67
5.3.140.0110.03912.66
5.3.130.0070.05612.66
5.3.120.0140.05212.66
5.3.110.0130.09712.66
5.3.100.0060.03912.11
5.3.90.0060.04012.09
5.3.80.0070.04012.07
5.3.70.0090.03912.08
5.3.60.0100.06912.07
5.3.50.0090.03912.00
5.3.40.0120.03412.01
5.3.30.0070.03811.97
5.3.20.0090.03511.74
5.3.10.0150.04911.71
5.3.00.0130.03911.70
5.2.170.0040.0359.19
5.2.160.0120.0439.20
5.2.150.0130.0429.20
5.2.140.0170.0489.19
5.2.130.0150.0469.15
5.2.120.0100.0399.15
5.2.110.0060.0329.14
5.2.100.0090.0319.14
5.2.90.0100.0509.14
5.2.80.0070.0349.14
5.2.70.0070.0329.14
5.2.60.0080.0309.09
5.2.50.0100.0289.06
5.2.40.0070.0329.04
5.2.30.0080.0629.02
5.2.20.0060.0299.01
5.2.10.0030.0318.91
5.2.00.0070.0288.77
5.1.60.0040.0308.06
5.1.50.0130.0588.06
5.1.40.0300.0708.04
5.1.30.0070.0338.39
5.1.20.0070.0418.40
5.1.10.0160.0408.13
5.1.00.0080.0258.13
5.0.50.0020.0236.64
5.0.40.0020.0216.50
5.0.30.0050.0386.32
5.0.20.0050.0256.28
5.0.10.0060.0256.26
5.0.00.0060.0366.25
4.4.90.0040.0234.77
4.4.80.0020.0254.76
4.4.70.0020.0244.75
4.4.60.0030.0224.75
4.4.50.0030.0244.77
4.4.40.0030.0264.71
4.4.30.0050.0144.76
4.4.20.0040.0164.85
4.4.10.0030.0174.85
4.4.00.0050.0274.76
4.3.110.0050.0154.67
4.3.100.0040.0154.66
4.3.90.0030.0154.63
4.3.80.0030.0314.59
4.3.70.0040.0184.63
4.3.60.0030.0204.63
4.3.50.0130.0544.63
4.3.40.0020.0344.54
4.3.30.0010.0233.30
4.3.20.0020.0223.28
4.3.10.0040.0173.23
4.3.00.0000.0237.12

preferences:
48.61 ms | 400 KiB | 5 Q