3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $bar; } $foo = new Foo(); $s = serialize($foo); var_dump($s);

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)
8.3.40.0180.00018.67
8.3.30.0150.00018.93
8.3.20.0050.00320.05
8.3.10.0050.00320.27
8.3.00.0050.00319.13
8.2.170.0040.01122.96
8.2.160.0120.00420.35
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0000.00826.16
8.2.120.0030.00522.06
8.2.110.0040.00420.56
8.2.100.0080.00417.59
8.2.90.0080.00018.02
8.2.80.0050.00317.97
8.2.70.0000.00917.50
8.2.60.0040.00417.80
8.2.50.0000.01118.07
8.2.40.0000.00918.09
8.2.30.0040.00419.44
8.2.20.0070.00017.66
8.2.10.0040.00417.92
8.2.00.0000.00817.54
8.1.270.0030.00622.01
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00422.19
8.1.230.0040.00817.70
8.1.220.0060.00317.74
8.1.210.0040.00418.82
8.1.200.0060.00317.35
8.1.190.0090.00017.10
8.1.180.0040.00418.10
8.1.170.0060.00618.48
8.1.160.0040.00421.99
8.1.150.0040.00418.75
8.1.140.0050.00217.26
8.1.130.0070.00017.77
8.1.120.0000.00717.46
8.1.110.0080.00017.34
8.1.100.0030.00317.40
8.1.90.0040.00417.25
8.1.80.0040.00417.37
8.1.70.0030.00317.40
8.1.60.0030.00617.39
8.1.50.0040.00417.34
8.1.40.0000.00817.41
8.1.30.0000.00817.54
8.1.20.0030.00517.59
8.1.10.0040.00417.48
8.1.00.0000.00717.44
8.0.300.0080.00019.95
8.0.290.0000.00816.63
8.0.280.0000.00718.37
8.0.270.0030.00317.09
8.0.260.0030.00317.19
8.0.250.0070.00016.87
8.0.240.0000.00716.78
8.0.230.0000.00716.92
8.0.220.0060.00016.86
8.0.210.0000.00716.77
8.0.200.0060.00016.88
8.0.190.0030.00316.88
8.0.180.0040.00416.80
8.0.170.0000.00816.90
8.0.160.0070.00016.93
8.0.150.0030.00316.79
8.0.140.0080.00416.80
8.0.130.0060.00013.24
8.0.120.0040.00416.69
8.0.110.0070.00016.71
8.0.100.0040.00416.75
8.0.90.0070.00016.67
8.0.80.0060.01216.77
8.0.70.0040.00416.79
8.0.60.0000.00716.90
8.0.50.0020.00516.76
8.0.30.0120.00717.05
8.0.20.0110.00817.40
8.0.10.0030.00516.81
8.0.00.0090.00716.58
7.4.330.0030.00515.00
7.4.320.0030.00316.52
7.4.300.0060.00016.48
7.4.290.0000.00716.48
7.4.280.0060.00316.60
7.4.270.0030.00316.44
7.4.260.0030.00316.52
7.4.250.0000.00716.50
7.4.240.0020.00516.48
7.4.230.0030.00316.50
7.4.220.0100.01016.55
7.4.210.0070.00716.42
7.4.200.0000.00716.32
7.4.160.0060.01616.53
7.4.150.0110.00717.40
7.4.140.0050.01417.86
7.4.130.0050.01316.37
7.4.120.0130.00316.35
7.4.110.0240.02816.41
7.4.100.0160.00616.25
7.4.90.0140.00316.33
7.4.80.0130.00316.16
7.4.70.0110.00716.46
7.4.60.0170.00016.32
7.4.50.0040.00416.42
7.4.40.0160.00016.66
7.4.30.0100.01016.32
7.4.00.0040.00814.73
7.3.330.0020.00213.10
7.3.320.0050.00013.04
7.3.310.0000.00716.19
7.3.300.0080.00016.22
7.3.290.0060.01016.19
7.3.280.0070.00916.16
7.3.270.0170.00017.40
7.3.260.0090.00816.18
7.3.250.0130.00316.27
7.3.240.0060.01516.21
7.3.230.0070.01016.39
7.3.210.0060.01316.36
7.3.200.0150.00419.39
7.3.190.0150.00716.43
7.3.180.0060.00916.13
7.3.170.0060.00916.35
7.3.160.0070.01116.57
7.2.330.0160.00316.64
7.2.320.0120.00916.49
7.2.310.0070.01116.61
7.2.300.0070.01016.34
7.2.290.0030.01316.55
7.2.00.0090.00918.49
7.1.200.0070.00015.62
7.1.100.0060.00318.28
7.1.70.0040.00417.16
7.1.60.0070.00719.32
7.1.50.0060.01616.75
7.1.00.0030.08022.51
7.0.200.0030.00716.75
7.0.140.0000.07722.09
7.0.60.0030.04319.93
7.0.50.0070.04017.88
7.0.40.0030.04320.04
7.0.30.0330.07020.20
7.0.20.0100.05020.24
7.0.10.0170.06320.09
7.0.00.0070.08320.32
5.6.280.0030.07320.89
5.6.210.0030.08720.61
5.6.200.0130.08018.34
5.6.190.0030.07020.48
5.6.180.0470.04720.64
5.6.170.0270.07720.71
5.6.160.0070.06320.55
5.6.150.0030.07318.27
5.6.140.0230.06718.11
5.6.130.0030.04718.17
5.6.120.0170.07320.92
5.6.110.0130.07021.11
5.6.100.0170.08021.08
5.6.90.0100.07720.97
5.6.80.0230.06320.42
5.5.350.0270.07720.39
5.5.340.0200.06718.07
5.5.330.0100.03720.30
5.5.320.0300.03720.35
5.5.310.0130.04020.34
5.5.300.0070.08018.09
5.5.290.0100.04318.07
5.5.280.0100.07320.98
5.5.270.0030.04320.83
5.5.260.0100.05020.87
5.5.250.0170.07320.58
5.5.240.0170.05720.03
5.4.450.0770.04019.50
5.4.440.0330.04719.47
5.4.430.0230.04319.45
5.4.420.0230.04319.59
5.4.410.0200.04719.45
5.4.400.0300.04019.45
5.4.390.0170.04719.45
5.4.380.0470.05318.55
5.4.370.0270.05318.75
5.4.360.0330.05018.59
5.4.350.0330.05718.81
5.4.340.0470.04318.79
5.4.320.0060.03712.50
5.4.310.0080.04412.49
5.4.300.0050.03612.50
5.4.290.0080.03512.49
5.4.280.0060.03412.39
5.4.270.0050.03912.39
5.4.260.0110.03212.39
5.4.250.0060.03712.39
5.4.240.0060.03912.39
5.4.230.0060.03612.38
5.4.220.0070.03712.38
5.4.210.0120.04812.38
5.4.200.0080.04312.39
5.4.190.0040.03712.38
5.4.180.0070.03412.38
5.4.170.0040.03712.39
5.4.160.0080.03312.39
5.4.150.0050.03612.38
5.4.140.0050.03812.06
5.4.130.0050.03512.05
5.4.120.0040.04412.01
5.4.110.0030.03912.01
5.4.100.0050.03512.01
5.4.90.0060.03612.00
5.4.80.0040.03712.00
5.4.70.0060.03412.00
5.4.60.0070.03312.01
5.4.50.0090.03212.01
5.4.40.0050.03412.00
5.4.30.0040.03711.99
5.4.20.0060.03411.98
5.4.10.0050.03611.99
5.4.00.0050.03611.48
5.3.290.0040.04012.80
5.3.280.0050.03712.70
5.3.270.0080.03612.72
5.3.260.0080.03712.71
5.3.250.0040.03812.71
5.3.240.0050.03712.72
5.3.230.0070.03512.71
5.3.220.0050.03712.68
5.3.210.0060.04012.68
5.3.200.0040.03812.68
5.3.190.0030.04012.68
5.3.180.0050.03712.68
5.3.170.0070.03612.67
5.3.160.0060.03612.68
5.3.150.0070.03512.68
5.3.140.0060.03612.66
5.3.130.0050.04312.66
5.3.120.0050.04312.66
5.3.110.0030.04312.66
5.3.100.0030.03912.12
5.3.90.0060.03512.09
5.3.80.0060.03612.09
5.3.70.0050.04412.08
5.3.60.0040.04112.07
5.3.50.0060.03512.02
5.3.40.0090.04412.02
5.3.30.0040.03611.97
5.3.20.0060.03611.76
5.3.10.0070.03511.72
5.3.00.0050.03711.71
5.2.170.0030.0319.21
5.2.160.0060.0279.21
5.2.150.0030.0329.21
5.2.140.0060.0299.21
5.2.130.0030.0319.17
5.2.120.0060.0279.17
5.2.110.0030.0369.18
5.2.100.0070.0259.17
5.2.90.0020.0319.17
5.2.80.0030.0329.17
5.2.70.0030.0329.16
5.2.60.0050.0309.12
5.2.50.0020.0339.09
5.2.40.0020.0319.06
5.2.30.0040.0349.04
5.2.20.0040.0289.02
5.2.10.0070.0328.93
5.2.00.0060.0268.80
5.1.60.0050.0228.08
5.1.50.0060.0288.08
5.1.40.0040.0298.05
5.1.30.0040.0268.41
5.1.20.0090.0228.43
5.1.10.0050.0248.16
5.1.00.0050.0248.16
5.0.50.0030.0216.63
5.0.40.0030.0206.49
5.0.30.0050.0296.30
5.0.20.0030.0196.27
5.0.10.0050.0176.25
5.0.00.0050.0286.24
4.4.90.0030.0154.78
4.4.80.0040.0144.75
4.4.70.0050.0174.76
4.4.60.0040.0144.75
4.4.50.0010.0174.77
4.4.40.0050.0274.70
4.4.30.0010.0174.76
4.4.20.0030.0154.84
4.4.10.0020.0164.85
4.4.00.0040.0234.76
4.3.110.0000.0184.67
4.3.100.0040.0144.66
4.3.90.0010.0164.63
4.3.80.0040.0254.58
4.3.70.0040.0154.63
4.3.60.0030.0144.63
4.3.50.0040.0144.63
4.3.40.0020.0254.54
4.3.30.0050.0133.30
4.3.20.0020.0163.28
4.3.10.0020.0153.23
4.3.00.0070.01319.45

preferences:
40.45 ms | 400 KiB | 5 Q