3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Level77 { function serialize(\Varien_Object $object) { } }

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)
8.3.40.0100.01018.54
8.3.30.0140.00018.79
8.3.20.0040.00420.04
8.3.10.0050.00322.00
8.3.00.0050.00222.57
8.2.170.0060.00922.96
8.2.160.0100.00319.08
8.2.150.0000.00824.18
8.2.140.0060.00324.66
8.2.130.0070.00026.16
8.2.120.0030.00619.11
8.2.110.0090.00022.08
8.2.100.0070.00419.39
8.2.90.0040.00419.09
8.2.80.0000.00817.97
8.2.70.0040.00417.38
8.2.60.0080.00017.80
8.2.50.0030.00518.07
8.2.40.0030.00518.22
8.2.30.0040.00417.96
8.2.20.0040.00417.52
8.2.10.0050.00217.43
8.2.00.0050.00317.42
8.1.270.0040.00422.20
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0100.01023.88
8.1.230.0080.00319.01
8.1.220.0000.00717.74
8.1.210.0060.00318.77
8.1.200.0030.00617.10
8.1.190.0040.00417.38
8.1.180.0020.00518.62
8.1.170.0030.00518.65
8.1.160.0050.00222.04
8.1.150.0070.00018.55
8.1.140.0000.00717.36
8.1.130.0030.00517.75
8.1.120.0030.00317.22
8.1.110.0000.00917.30
8.1.100.0070.00017.32
8.1.90.0030.00417.30
8.1.80.0030.00317.30
8.1.70.0040.00417.20
8.1.60.0000.01117.40
8.1.50.0070.00017.31
8.1.40.0040.00417.30
8.1.30.0000.00817.55
8.1.20.0000.00817.45
8.1.10.0020.00517.28
8.1.00.0000.00917.33
8.0.300.0070.00018.77
8.0.290.0070.00017.05
8.0.280.0030.00318.31
8.0.270.0070.00017.00
8.0.260.0030.00316.75
8.0.250.0030.00316.68
8.0.240.0000.00716.69
8.0.230.0070.00016.77
8.0.220.0040.00416.59
8.0.210.0030.00316.63
8.0.200.0030.00316.69
8.0.190.0030.00316.86
8.0.180.0040.00416.68
8.0.170.0040.00416.66
8.0.160.0070.00016.73
8.0.150.0040.00416.58
8.0.140.0040.00416.64
8.0.130.0030.00313.17
8.0.120.0030.00516.77
8.0.110.0000.00816.59
8.0.100.0030.00516.86
8.0.90.0040.00416.86
8.0.80.0140.00316.72
8.0.70.0040.00416.57
8.0.60.0000.00716.80
8.0.50.0070.00016.63
8.0.30.0060.01217.03
8.0.20.0060.01217.40
8.0.10.0040.00416.66
8.0.00.0110.01016.67
7.4.330.0020.00215.07
7.4.320.0000.00616.38
7.4.300.0000.00616.38
7.4.290.0000.00716.42
7.4.280.0030.00316.36
7.4.270.0040.00416.36
7.4.260.0070.00316.37
7.4.250.0000.00716.43
7.4.240.0000.00716.43
7.4.230.0050.00216.47
7.4.220.0100.00716.51
7.4.210.0090.00516.39
7.4.200.0070.00016.27
7.4.190.0050.00216.55
7.4.160.0080.00816.25
7.4.150.0200.00317.40
7.4.140.0090.00917.86
7.4.130.0100.01016.39
7.4.120.0100.00716.41
7.4.110.0100.00616.30
7.4.100.0090.01216.36
7.4.90.0110.00516.43
7.4.80.0090.00919.39
7.4.70.0150.00316.29
7.4.60.0100.00716.54
7.4.50.0060.00316.26
7.4.40.0000.01222.77
7.4.30.0060.00916.48
7.4.00.0100.00714.94
7.3.330.0020.00212.95
7.3.320.0000.00513.09
7.3.310.0030.00316.07
7.3.300.0030.00316.24
7.3.290.0110.00316.18
7.3.280.0090.00916.11
7.3.270.0120.00617.40
7.3.260.0110.00716.20
7.3.250.0090.00816.32
7.3.240.0060.01316.38
7.3.230.0060.01316.39
7.3.210.0070.01116.21
7.3.200.0110.01119.39
7.3.190.0180.00316.48
7.3.180.0040.01216.39
7.3.170.0000.01516.27
7.3.160.0080.00816.13
7.3.120.0030.01314.64
7.3.10.0070.00716.15
7.3.00.0090.00616.38
7.2.330.0090.00916.48
7.2.320.0110.00716.56
7.2.310.0070.01116.45
7.2.300.0070.01016.29
7.2.290.0090.00616.21
7.2.130.0050.00916.55
7.2.120.0050.00816.43
7.2.110.0070.00816.41
7.2.100.0090.00916.34
7.2.90.0110.00816.52
7.2.80.0080.01016.56
7.2.70.0050.00816.42
7.2.60.0040.01016.39
7.2.50.0070.01116.27
7.2.40.0090.00616.44
7.2.30.0150.00716.44
7.2.20.0090.01216.36
7.2.10.0100.00916.60
7.2.00.0080.00716.71
7.1.250.0070.00615.32
7.1.200.0040.00815.37
7.1.70.0030.00816.99
7.1.60.0160.00619.82
7.1.50.0040.01916.98
7.1.00.0070.03022.36
7.0.200.0050.00216.81
7.0.140.0070.07022.15
7.0.60.0030.04019.92
7.0.50.0100.07317.92
7.0.40.0100.07020.18
7.0.30.0170.04720.21
7.0.20.0230.07320.24
7.0.10.0030.08720.16
7.0.00.0030.07720.27
5.6.280.0030.07721.05
5.6.210.0100.07720.71
5.6.200.0030.08018.19
5.6.190.0070.05020.33
5.6.180.0430.03320.46
5.6.170.0470.06720.57
5.6.160.0130.07320.46
5.6.150.0000.04318.28
5.6.140.0030.08718.21
5.6.130.0130.07318.14
5.6.120.0070.08320.79
5.6.110.0100.08021.02
5.6.100.0070.08021.11
5.6.90.0030.09321.13
5.6.80.0000.05320.41
5.5.350.0070.08720.30
5.5.340.0130.07717.95
5.5.330.0100.08720.13
5.5.320.0400.07020.35
5.5.310.0500.05720.28
5.5.300.0100.07718.07
5.5.290.0100.07318.06
5.5.280.0070.07720.77
5.5.270.0070.07020.89
5.5.260.0070.05720.78
5.5.250.0070.08320.57
5.5.240.0130.03020.26
5.4.450.1470.04019.53
5.4.440.0430.04019.55
5.4.430.0930.04019.27
5.4.420.0730.04019.30
5.4.410.0900.03319.06
5.4.400.1270.05719.00
5.4.390.0500.03319.11
5.4.380.0670.06718.52
5.4.370.0930.05018.76
5.4.360.0930.06318.65
5.4.350.1100.05318.54
5.4.340.1200.05318.63
5.4.320.0060.03612.50
5.4.310.0120.04612.50
5.4.300.0090.03612.50
5.4.290.0040.04412.50
5.4.280.0080.04212.39
5.4.270.0040.04412.39
5.4.260.0100.05018.73
5.4.250.0030.08018.70
5.4.240.0070.06318.93
5.4.230.0000.06018.88
5.4.220.0130.05318.89
5.4.210.0100.05018.93
5.4.200.0100.06018.92
5.4.190.0070.05318.91
5.4.180.0170.05718.79
5.4.170.0070.05718.74
5.4.160.0070.05018.82
5.4.150.0130.06018.70
5.4.140.0100.06716.35
5.4.130.0070.05016.34
5.4.120.0030.07716.29
5.4.110.0130.05016.29
5.4.100.0030.05016.34
5.4.90.0100.04716.34
5.4.80.0100.05016.36
5.4.70.0100.05016.48
5.4.60.0130.04716.56
5.4.50.0030.05316.29
5.4.40.0070.05016.53
5.4.30.0100.04716.35
5.4.20.0100.04716.23
5.4.10.0130.04716.58
5.4.00.0170.04315.94
5.3.290.0090.03912.80
5.3.280.0070.05014.58
5.3.270.0100.05014.74
5.3.260.0100.07314.66
5.3.250.0070.05314.58
5.3.240.0100.05014.66
5.3.230.0100.06714.68
5.3.220.0100.06014.57
5.3.210.0100.05314.65
5.3.200.0030.07714.69
5.3.190.0100.05314.55
5.3.180.0070.05714.64
5.3.170.0100.06014.54
5.3.160.0070.05714.69
5.3.150.0030.07714.46
5.3.140.0030.07714.61
5.3.130.0130.07314.58
5.3.120.0030.05314.52
5.3.110.0030.06014.51
5.3.100.0170.05314.11
5.3.90.0070.07314.09
5.3.80.0170.06014.20
5.3.70.0030.07314.18
5.3.60.0130.04313.82
5.3.50.0100.04314.01
5.3.40.0100.06313.98
5.3.30.0100.04713.99
5.3.20.0100.05713.76
5.3.10.0030.05013.47
5.3.00.0130.06713.54
5.2.170.0100.05711.09
5.2.160.0000.05311.10
5.2.150.0100.03711.10
5.2.140.0030.04311.12
5.2.130.0070.03711.12
5.2.120.0070.05310.93
5.2.110.0130.04311.18
5.2.100.0070.04311.08
5.2.90.0030.04311.16
5.2.80.0100.04011.30
5.2.70.0030.04711.15
5.2.60.0100.05011.23
5.2.50.0030.04311.00
5.2.40.0070.04011.21
5.2.30.0130.03310.96
5.2.20.0070.04710.79
5.2.10.0100.04710.96
5.2.00.0070.03710.93
5.1.60.0030.0339.96
5.1.50.0030.0479.83
5.1.40.0000.0379.96
5.1.30.0100.04010.42
5.1.20.0100.04310.34
5.1.10.0000.04010.18
5.1.00.0070.03710.11
5.0.50.0000.0438.49
5.0.40.0030.0408.47
5.0.30.0030.0508.27
5.0.20.0100.0278.38
5.0.10.0030.0278.22
5.0.00.0100.0438.16
4.4.90.0000.0237.38
4.4.80.0000.0337.38
4.4.70.0070.0177.38
4.4.60.0030.0207.38
4.4.50.0070.0177.38
4.4.40.0070.0437.38
4.4.30.0030.0237.38
4.4.20.0070.0177.38
4.4.10.0030.0307.38
4.4.00.0070.0407.38
4.3.110.0000.0337.38
4.3.100.0000.0207.38
4.3.90.0000.0237.38
4.3.80.0030.0377.38
4.3.70.0100.0177.38
4.3.60.0030.0277.38
4.3.50.0100.0137.38
4.3.40.0100.0237.38
4.3.30.0000.0277.38
4.3.20.0070.0237.38
4.3.10.0100.0137.38
4.3.00.0100.01713.16

preferences:
41.11 ms | 400 KiB | 5 Q