3v4l.org

run code in 300+ PHP versions simultaneously
<?php $list = new SplDoublyLinkedList; $unser = $list->unserialize('i:0;:s:3:"foo";:s:3:"bar";'); var_dump($unser);

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)
8.3.40.0090.00618.67
8.3.30.0070.00719.04
8.3.20.0040.00420.33
8.3.10.0000.00823.48
8.3.00.0040.00419.25
8.2.170.0040.01122.96
8.2.160.0000.01320.39
8.2.150.0080.00024.18
8.2.140.0090.00324.66
8.2.130.0000.00726.16
8.2.120.0000.00721.93
8.2.110.0040.00422.03
8.2.100.0110.00317.78
8.2.90.0030.00619.27
8.2.80.0060.00317.97
8.2.70.0030.00617.62
8.2.60.0000.00917.80
8.2.50.0080.00018.07
8.2.40.0000.00819.76
8.2.30.0030.00519.83
8.2.20.0040.00417.62
8.2.10.0080.00019.75
8.2.00.0050.00517.61
8.1.270.0050.00324.01
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0030.00623.88
8.1.230.0100.00019.14
8.1.220.0060.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.22
8.1.190.0040.00417.11
8.1.180.0060.00318.10
8.1.170.0000.00818.67
8.1.160.0040.00422.02
8.1.150.0070.00018.62
8.1.140.0050.00217.29
8.1.130.0030.00317.86
8.1.120.0030.00517.42
8.1.110.0040.00417.28
8.1.100.0040.00417.41
8.1.90.0040.00417.45
8.1.80.0130.00017.30
8.1.70.0030.00317.37
8.1.60.0040.00417.40
8.1.50.0070.00017.50
8.1.40.0080.00017.49
8.1.30.0080.00017.49
8.1.20.0040.00417.58
8.1.10.0040.00417.40
8.1.00.0040.00417.50
8.0.300.0040.00420.85
8.0.290.0030.00617.16
8.0.280.0000.00718.36
8.0.270.0070.00017.91
8.0.260.0060.00017.25
8.0.250.0040.00416.84
8.0.240.0000.00717.02
8.0.230.0070.00016.98
8.0.220.0000.00716.85
8.0.210.0030.00316.75
8.0.200.0090.00016.95
8.0.190.0040.00416.91
8.0.180.0040.00416.91
8.0.170.0050.00316.93
8.0.160.0030.00616.77
8.0.150.0050.00316.82
8.0.140.0030.00316.77
8.0.130.0030.00313.28
8.0.120.0000.00716.80
8.0.110.0040.00416.89
8.0.100.0000.00716.74
8.0.90.0050.00216.93
8.0.80.0070.00716.84
8.0.70.0000.00716.85
8.0.60.0020.00516.81
8.0.50.0030.00316.77
8.0.30.0150.00616.99
8.0.20.0080.01117.40
8.0.10.0000.00816.95
8.0.00.0080.00816.68
7.4.330.0020.00215.00
7.4.320.0040.00416.39
7.4.300.0000.00716.51
7.4.290.0080.00016.55
7.4.280.0050.00316.53
7.4.270.0070.00016.38
7.4.260.0070.00016.44
7.4.250.0050.00216.32
7.4.240.0000.00716.51
7.4.230.0020.00516.33
7.4.220.0130.01316.62
7.4.210.0050.01116.51
7.4.200.0030.00316.56
7.4.190.0030.00416.32
7.4.160.0120.00316.27
7.4.150.0100.01017.40
7.4.140.0130.01017.86
7.4.130.0090.00916.36
7.4.120.0090.01116.36
7.4.110.0030.01316.47
7.4.100.0110.01116.31
7.4.90.0040.01616.57
7.4.80.0000.01619.39
7.4.70.0120.00416.29
7.4.60.0130.00316.47
7.4.50.0030.00616.41
7.4.40.0090.00916.48
7.4.30.0100.00716.41
7.4.00.0030.01214.98
7.3.330.0030.00312.98
7.3.320.0050.00013.08
7.3.310.0000.00716.08
7.3.300.0000.00616.18
7.3.290.0110.00416.17
7.3.280.0110.00416.18
7.3.270.0070.01017.40
7.3.260.0140.00316.16
7.3.250.0120.00716.14
7.3.240.0100.00716.17
7.3.230.0100.00616.39
7.3.210.0130.00316.26
7.3.200.0160.00819.39
7.3.190.0110.00716.30
7.3.180.0080.00816.48
7.3.170.0060.00916.39
7.3.160.0070.01016.19
7.3.120.0100.00014.59
7.2.330.0100.00716.41
7.2.320.0130.01116.23
7.2.310.0030.01616.65
7.2.300.0090.00616.49
7.2.290.0060.01016.37
7.1.100.0080.00317.93
7.1.70.0030.00617.22
7.1.60.0000.01819.46
7.1.50.0100.00616.73
7.1.00.0000.08022.45
7.0.200.0270.00614.48
7.0.140.0100.06722.15
7.0.100.0000.04319.95
7.0.90.0130.07319.88
7.0.80.0070.08319.88
7.0.70.0130.07319.89
7.0.60.0070.08719.98
7.0.50.0200.06320.26
7.0.40.0100.08020.05
7.0.30.0200.07320.09
7.0.20.0100.08320.15
7.0.10.0100.07719.98
7.0.00.0100.08020.12
5.6.280.0000.07320.98
5.6.250.0000.04320.72
5.6.240.0100.07720.51
5.6.230.0030.03720.68
5.6.220.0270.05720.49
5.6.210.0130.07320.55
5.6.200.0100.08021.03
5.6.190.0070.08321.04
5.6.180.0030.09020.99
5.6.170.0000.08721.03
5.6.160.0130.08020.93
5.6.150.0000.06321.05
5.6.140.0130.07321.09
5.6.130.0030.07720.94
5.6.120.0030.07021.02
5.6.110.0130.06321.06
5.6.100.0100.07021.05
5.6.90.0100.08020.93
5.6.80.0070.07320.55
5.6.70.0130.08020.26
5.6.60.0070.05320.30
5.6.50.0100.05320.34
5.6.40.0030.06720.37
5.6.30.0170.07720.32
5.6.20.0100.08020.45
5.6.10.0130.06720.38
5.6.00.0070.08020.30
5.5.380.0130.07020.36
5.5.370.0130.03320.56
5.5.360.0030.05020.48
5.5.350.0130.08020.41
5.5.340.0100.08020.87
5.5.330.0030.05720.89
5.5.320.0030.08720.93
5.5.310.0070.08320.88
5.5.300.0100.07720.80
5.5.290.0100.08020.82
5.5.280.0030.07720.87
5.5.270.0070.08020.84
5.5.260.0100.09320.91
5.5.250.0070.03720.67
5.5.240.0070.08320.29
5.5.230.0070.08020.14
5.5.220.0030.05320.24
5.5.210.0100.07720.24
5.5.200.0070.06720.24
5.5.190.0100.05320.27
5.5.180.0070.07320.18
5.5.160.0030.07020.15
5.5.150.0100.07720.07
5.5.140.0170.04020.27
5.5.130.0070.08320.25
5.5.120.0030.08020.15
5.5.110.0100.07720.26
5.5.100.0070.07720.01
5.5.90.0030.07720.10
5.5.80.0100.08020.08
5.5.70.0130.07320.06
5.5.60.0030.07320.15
5.5.50.0070.07019.96
5.5.40.0030.06020.10
5.5.30.0030.08019.98
5.5.20.0070.06320.07
5.5.10.0100.07320.03
5.5.00.0000.05719.97
5.4.450.0200.07319.31
5.4.440.0100.06319.55
5.4.430.0070.08019.38
5.4.420.0030.06719.35
5.4.410.0100.07719.25
5.4.400.0100.05018.97
5.4.390.0100.06019.03
5.4.380.0100.07018.81
5.4.370.0070.07018.96
5.4.360.0100.07718.96
5.4.350.0070.04719.09
5.4.340.0130.07319.13
5.4.320.0070.08019.03
5.4.310.0030.08019.22
5.4.300.0070.07319.05
5.4.290.0100.06719.11
5.4.280.0070.07718.96
5.4.270.0000.07319.05
5.4.260.0130.07018.96
5.4.250.0100.07718.80
5.4.240.0070.07319.05
5.4.230.0170.06319.20
5.4.220.0130.07018.89
5.4.210.0100.07018.97
5.4.200.0100.06318.81
5.4.190.0130.07018.93
5.4.180.0300.05018.80
5.4.170.0070.06319.03
5.4.160.0000.08318.93
5.4.150.0030.08318.79
5.4.140.0100.05316.30
5.4.130.0030.04716.27
5.4.120.0030.07716.06
5.4.110.0100.06716.40
5.4.100.0070.07716.36
5.4.90.0130.06016.43
5.4.80.0100.06716.41
5.4.70.0030.07716.36
5.4.60.0100.08716.35
5.4.50.0130.06316.24
5.4.40.0130.05716.46
5.4.30.0030.07316.26
5.4.20.0030.06716.38
5.4.10.0030.07316.18
5.4.00.0030.07715.81
5.3.290.0100.07314.57
5.3.280.0030.08014.45
5.3.270.0030.08014.59
5.3.260.0130.06014.54
5.3.250.0030.07314.55
5.3.240.0030.07714.42
5.3.230.0030.08014.58
5.3.220.0100.06314.52
5.3.210.0030.08014.52
5.3.200.0100.07314.56
5.3.190.0070.07714.49
5.3.180.0030.07714.54
5.3.170.0070.07714.55
5.3.160.0070.06714.55
5.3.150.0300.01714.39
5.3.140.0030.06714.37
5.3.130.0030.06314.52
5.3.120.0200.06014.50
5.3.110.0000.04314.45
5.3.100.0030.07314.02
5.3.90.0000.04714.01
5.3.80.0130.03014.00
5.3.70.0070.07313.99
5.3.60.0070.05713.77
5.3.50.0170.06313.80
5.3.40.0100.04313.93
5.3.30.0070.07013.91
5.3.20.0200.03313.62
5.3.10.0030.06313.41
5.3.00.0030.08013.46
5.2.170.0100.04710.98
5.2.160.0070.06710.98
5.2.150.0000.07011.19
5.2.140.0070.04710.99
5.2.130.0100.05010.91
5.2.120.0070.04010.91
5.2.110.0000.06711.10
5.2.100.0070.05711.12
5.2.90.0070.06010.96
5.2.80.0130.05311.01
5.2.70.0000.06711.13
5.2.60.0030.06010.89
5.2.50.0100.05311.05
5.2.40.0030.06310.91
5.2.30.0030.06310.89
5.2.20.0030.05011.03
5.2.10.0030.05310.88
5.2.00.0100.05310.73
5.1.60.0070.05010.04
5.1.50.0070.04710.00
5.1.40.0000.0579.96
5.1.30.0070.05010.36
5.1.20.0000.07010.39
5.1.10.0030.05010.11
5.1.00.0070.04710.13
5.0.50.0030.0438.53
5.0.40.0100.0378.46
5.0.30.0030.0338.20
5.0.20.0030.0408.26
5.0.10.0130.0308.26
5.0.00.0030.0438.20
4.4.90.0030.0338.20
4.4.80.0030.0178.20
4.4.70.0100.0178.20
4.4.60.0000.0408.20
4.4.50.0070.0338.20
4.4.40.0070.0438.20
4.4.30.0030.0338.20
4.4.20.0000.0308.20
4.4.10.0000.0378.20
4.4.00.0000.0308.20
4.3.110.0030.0178.20
4.3.100.0000.0378.20
4.3.90.0030.0178.20
4.3.80.0000.0538.20
4.3.70.0030.0308.20
4.3.60.0030.0338.20
4.3.50.0070.0338.20
4.3.40.0030.0478.20
4.3.30.0030.0378.20
4.3.20.0000.0378.20
4.3.10.0030.0338.20
4.3.00.0070.0308.20

preferences:
34.16 ms | 400 KiB | 5 Q