3v4l.org

run code in 300+ PHP versions simultaneously
<?php $bob = array(); echo serialize($bob);

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)
8.3.60.0070.00716.38
8.3.50.0120.00721.90
8.3.40.0110.01118.62
8.3.30.0100.00718.79
8.3.20.0070.00020.21
8.3.10.0070.00023.66
8.3.00.0050.00319.38
8.2.180.0100.01018.29
8.2.170.0140.00422.96
8.2.160.0170.00020.50
8.2.150.0000.00724.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0040.00422.26
8.2.110.0080.00422.25
8.2.100.0090.00317.91
8.2.90.0040.00419.21
8.2.80.0030.00617.97
8.2.70.0040.00417.50
8.2.60.0040.00417.80
8.2.50.0050.00318.07
8.2.40.0000.00819.95
8.2.30.0000.00718.09
8.2.20.0000.00717.73
8.2.10.0040.00418.01
8.2.00.0040.00417.54
8.1.280.0130.00325.92
8.1.270.0080.00023.84
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0080.00023.97
8.1.230.0090.00317.42
8.1.220.0080.00017.74
8.1.210.0090.00018.77
8.1.200.0000.00817.23
8.1.190.0050.00516.98
8.1.180.0040.00419.01
8.1.170.0030.00518.56
8.1.160.0040.00421.82
8.1.150.0040.00418.53
8.1.140.0000.00717.32
8.1.130.0070.00017.72
8.1.120.0040.00417.32
8.1.110.0070.00017.26
8.1.100.0020.00517.31
8.1.90.0040.00417.28
8.1.80.0030.00517.41
8.1.70.0030.00317.32
8.1.60.0050.00317.53
8.1.50.0040.00417.43
8.1.40.0040.00417.45
8.1.30.0000.00817.45
8.1.20.0040.00417.51
8.1.10.0050.00217.42
8.1.00.0000.00717.43
8.0.300.0000.00718.77
8.0.290.0080.00016.75
8.0.280.0070.00018.35
8.0.270.0030.00317.16
8.0.260.0030.00317.16
8.0.250.0000.00716.92
8.0.240.0050.00316.96
8.0.230.0000.00816.81
8.0.220.0030.00316.68
8.0.210.0050.00216.86
8.0.200.0040.00416.80
8.0.190.0060.00316.85
8.0.180.0070.00016.73
8.0.170.0000.00816.84
8.0.160.0000.00716.85
8.0.150.0030.00416.65
8.0.140.0040.00416.65
8.0.130.0030.00313.24
8.0.120.0040.00416.73
8.0.110.0000.00716.88
8.0.100.0040.00416.93
8.0.90.0030.00416.69
8.0.80.0110.00716.73
8.0.70.0040.00416.67
8.0.60.0000.00716.89
8.0.50.0000.00716.82
8.0.30.0110.00816.88
8.0.20.0110.00817.40
8.0.10.0000.00716.84
8.0.00.0110.00816.87
7.4.330.0020.00215.00
7.4.320.0070.00016.42
7.4.300.0030.00316.52
7.4.290.0030.00316.51
7.4.280.0050.00216.38
7.4.270.0080.00016.49
7.4.260.0000.00716.43
7.4.250.0070.00016.51
7.4.240.0030.00416.51
7.4.230.0000.00716.42
7.4.220.0110.00716.39
7.4.210.0080.00816.45
7.4.200.0000.00716.52
7.4.190.0000.00716.32
7.4.160.0150.00416.30
7.4.150.0070.01017.40
7.4.140.0120.01117.86
7.4.130.0180.01116.47
7.4.120.0080.01316.33
7.4.110.0130.00316.55
7.4.100.0150.00316.26
7.4.90.0060.01016.53
7.4.80.0150.00919.39
7.4.70.0080.01116.30
7.4.60.0090.00916.39
7.4.50.0040.00416.58
7.4.40.0030.01316.34
7.4.30.0030.01316.56
7.4.00.0040.00815.04
7.3.330.0050.00013.03
7.3.320.0020.00212.91
7.3.310.0040.00415.99
7.3.300.0030.00316.02
7.3.290.0080.00616.09
7.3.280.0090.00816.15
7.3.270.0060.01017.40
7.3.260.0130.01016.20
7.3.250.0100.01016.19
7.3.240.0090.00616.38
7.3.230.0130.00616.39
7.3.210.0140.00316.14
7.3.200.0060.01219.39
7.3.190.0140.00316.36
7.3.180.0030.01216.10
7.3.170.0040.01116.36
7.3.160.0130.00716.27
7.3.120.0140.00314.71
7.2.330.0160.00016.54
7.2.320.0110.00816.35
7.2.310.0130.00316.47
7.2.300.0160.00416.31
7.2.290.0120.01116.25
7.2.60.0040.01116.86
7.1.200.0070.00715.63
7.1.100.0030.00618.03
7.1.70.0060.00317.04
7.1.60.0060.01619.46
7.1.50.0040.01916.89
7.1.00.0100.07022.48
7.0.200.0070.00716.86
7.0.140.0100.07021.99
7.0.100.0000.04320.15
7.0.90.0070.06019.87
7.0.80.0100.05719.90
7.0.70.0030.04719.84
7.0.60.0130.07319.76
7.0.50.0070.08320.18
7.0.40.0130.07020.07
7.0.30.0070.06720.10
7.0.20.0030.08320.05
7.0.10.0100.06320.09
7.0.00.0100.07720.15
5.6.280.0000.07720.98
5.6.250.0070.04020.62
5.6.240.0030.04020.63
5.6.230.0170.05320.49
5.6.220.0000.04320.69
5.6.210.0070.03720.54
5.6.200.0070.08021.14
5.6.190.0070.05020.94
5.6.180.0030.08021.06
5.6.170.0100.07721.09
5.6.160.0070.06721.05
5.6.150.0130.07321.02
5.6.140.0070.08721.16
5.6.130.0030.09021.05
5.6.120.0200.06320.93
5.6.110.0100.05320.93
5.6.100.0170.07720.91
5.6.90.0100.08020.99
5.6.80.0170.06720.55
5.6.70.0100.07720.39
5.6.60.0100.04320.50
5.6.50.0030.05320.41
5.6.40.0100.07720.46
5.6.30.0030.04720.41
5.6.20.0100.06020.43
5.6.10.0070.05320.32
5.6.00.0100.07020.38
5.5.380.0030.05720.55
5.5.370.0000.04320.33
5.5.360.0030.05320.43
5.5.350.0170.06720.35
5.5.340.0200.04320.80
5.5.330.0170.06320.91
5.5.320.0100.07020.79
5.5.310.0070.07320.88
5.5.300.0130.07720.91
5.5.290.0030.08020.82
5.5.280.0130.04720.89
5.5.270.0100.08320.92
5.5.260.0030.04720.90
5.5.250.0200.07320.70
5.5.240.0170.06720.14
5.5.230.0200.06720.29
5.5.220.0030.08320.20
5.5.210.0070.05020.29
5.5.200.0130.05720.27
5.5.190.0070.07720.08
5.5.180.0170.06720.13
5.5.160.0100.06020.24
5.5.150.0170.04320.21
5.5.140.0130.07320.21
5.5.130.0100.04320.24
5.5.120.0200.07020.11
5.5.110.0000.05320.25
5.5.100.0070.07720.04
5.5.90.0100.05020.10
5.5.80.0070.08319.97
5.5.70.0070.08020.05
5.5.60.0030.04319.96
5.5.50.0000.08720.02
5.5.40.0100.05020.05
5.5.30.0070.04020.14
5.5.20.0070.08020.14
5.5.10.0030.06020.07
5.5.00.0070.08020.11
5.4.450.0070.08719.28
5.4.440.0070.07719.36
5.4.430.0070.08319.47
5.4.420.0100.07719.36
5.4.410.0070.08019.23
5.4.400.0170.05719.03
5.4.390.0070.07318.92
5.4.380.0100.07018.98
5.4.370.0070.04019.04
5.4.360.0100.06319.06
5.4.350.0100.05719.23
5.4.340.0100.07019.23
5.4.320.0070.07318.83
5.4.310.0100.07318.79
5.4.300.0000.07019.13
5.4.290.0070.07019.06
5.4.280.0100.04318.98
5.4.270.0030.05719.15
5.4.260.0070.06719.03
5.4.250.0070.04318.96
5.4.240.0130.07018.98
5.4.230.0100.07019.09
5.4.220.0030.08019.03
5.4.210.0130.06719.11
5.4.200.0100.05319.13
5.4.190.0100.04319.03
5.4.180.0100.03719.07
5.4.170.0000.05719.09
5.4.160.0070.03719.21
5.4.150.0130.07719.02
5.4.140.0070.07716.01
5.4.130.0100.03716.21
5.4.120.0070.06016.20
5.4.110.0030.04716.30
5.4.100.0030.04016.27
5.4.90.0070.06316.21
5.4.80.0070.06316.46
5.4.70.0100.03716.22
5.4.60.0070.06716.16
5.4.50.0100.06716.31
5.4.40.0170.05716.40
5.4.30.0100.07316.38
5.4.20.0100.07316.21
5.4.10.0170.05716.28
5.4.00.0070.03315.69
5.3.290.0030.05014.52
5.3.280.0100.07314.46
5.3.270.0070.06714.46
5.3.260.0000.06314.58
5.3.250.0100.06314.58
5.3.240.0000.06014.55
5.3.230.0070.06314.41
5.3.220.0100.04014.56
5.3.210.0000.05014.42
5.3.200.0100.04014.55
5.3.190.0030.04714.41
5.3.180.0000.04714.42
5.3.170.0030.06714.42
5.3.160.0000.06714.43
5.3.150.0070.07314.51
5.3.140.0100.07014.38
5.3.130.0100.06014.51
5.3.120.0030.05314.53
5.3.110.0030.08014.39
5.3.100.0070.07014.03
5.3.90.0000.04314.04
5.3.80.0000.04014.02
5.3.70.0030.07314.00
5.3.60.0070.04713.96
5.3.50.0030.07713.93
5.3.40.0000.04013.93
5.3.30.0100.04713.91
5.3.20.0000.06313.68
5.3.10.0070.06713.61
5.3.00.0030.04313.50
5.2.170.0000.04011.14
5.2.160.0070.05311.11
5.2.150.0030.04711.14
5.2.140.0000.03311.00
5.2.130.0000.06710.94
5.2.120.0070.05711.15
5.2.110.0070.06711.06
5.2.100.0000.06011.10
5.2.90.0100.05710.94
5.2.80.0030.06310.94
5.2.70.0070.03310.93
5.2.60.0070.05310.91
5.2.50.0070.03711.08
5.2.40.0070.05710.98
5.2.30.0070.06310.91
5.2.20.0070.06011.01
5.2.10.0070.05310.79
5.2.00.0070.05310.77
5.1.60.0030.0539.87
5.1.50.0000.0279.97
5.1.40.0070.0479.99
5.1.30.0030.02710.38
5.1.20.0070.05310.27
5.1.10.0130.01710.11
5.1.00.0030.05010.14
5.0.50.0000.0508.53
5.0.40.0000.0478.41
5.0.30.0000.0608.25
5.0.20.0070.0438.18
5.0.10.0000.0338.16
5.0.00.0030.0708.19
4.4.90.0000.0278.01
4.4.80.0030.0308.01
4.4.70.0000.0408.01
4.4.60.0030.0138.01
4.4.50.0000.0378.01
4.4.40.0030.0508.01
4.4.30.0000.0378.01
4.4.20.0000.0378.01
4.4.10.0000.0278.01
4.4.00.0000.0508.01
4.3.110.0000.0378.01
4.3.100.0030.0338.01
4.3.90.0070.0278.01
4.3.80.0100.0478.01
4.3.70.0030.0278.01
4.3.60.0030.0278.01
4.3.50.0000.0378.01
4.3.40.0000.0538.01
4.3.30.0000.0378.01
4.3.20.0000.0278.01
4.3.10.0030.0308.01
4.3.00.0030.0338.01

preferences:
42.11 ms | 401 KiB | 5 Q