3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { function __construct(){} } $a = null; $f = new Foo($a = 123); var_dump($a);

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)
8.3.40.0140.00018.68
8.3.30.0040.01219.02
8.3.20.0000.00720.12
8.3.10.0000.00823.66
8.3.00.0060.00320.64
8.2.170.0150.00022.96
8.2.160.0130.00020.53
8.2.150.0000.00824.18
8.2.140.0050.00324.66
8.2.130.0050.00226.16
8.2.120.0030.00519.23
8.2.110.0090.00022.29
8.2.100.0080.00318.16
8.2.90.0040.00418.97
8.2.80.0080.00017.97
8.2.70.0040.00417.50
8.2.60.0040.00417.93
8.2.50.0120.00018.07
8.2.40.0040.00419.88
8.2.30.0070.00018.11
8.2.20.0000.00817.53
8.2.10.0000.00717.94
8.2.00.0030.00519.34
8.1.270.0030.00523.96
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.79
8.1.230.0040.00819.16
8.1.220.0060.00317.74
8.1.210.0030.00518.77
8.1.200.0090.00017.23
8.1.190.0060.00317.10
8.1.180.0060.00318.10
8.1.170.0100.00018.49
8.1.160.0040.00421.85
8.1.150.0020.00518.61
8.1.140.0040.00417.28
8.1.130.0030.00317.25
8.1.120.0000.00717.23
8.1.110.0000.00717.38
8.1.100.0050.00317.37
8.1.90.0000.00717.29
8.1.80.0050.00317.27
8.1.70.0080.00017.36
8.1.60.0060.00317.56
8.1.50.0000.00817.57
8.1.40.0030.00517.59
8.1.30.0030.00517.55
8.1.20.0040.00417.54
8.1.10.0040.00417.46
8.1.00.0070.00317.39
8.0.300.0000.00718.77
8.0.290.0030.00616.63
8.0.280.0080.00018.48
8.0.270.0040.00417.19
8.0.260.0000.00716.75
8.0.250.0000.00716.95
8.0.240.0000.00716.87
8.0.230.0030.00316.87
8.0.220.0030.00316.81
8.0.210.0000.00616.80
8.0.200.0030.00316.89
8.0.190.0060.00316.75
8.0.180.0040.00416.84
8.0.170.0080.00016.66
8.0.160.0000.00916.79
8.0.150.0070.00016.85
8.0.140.0030.00316.69
8.0.130.0050.00013.21
8.0.120.0030.00516.78
8.0.110.0050.00216.73
8.0.100.0000.00716.79
8.0.90.0000.00716.71
8.0.80.0070.01416.77
8.0.70.0040.00416.67
8.0.60.0040.00416.70
8.0.50.0000.00716.79
8.0.30.0100.00917.17
8.0.20.0080.01117.40
8.0.10.0080.00016.92
8.0.00.0090.00816.81
7.4.330.0050.00015.00
7.4.320.0060.00016.54
7.4.300.0000.00716.49
7.4.290.0060.00016.52
7.4.280.0000.00916.57
7.4.270.0000.00716.48
7.4.260.0000.00716.59
7.4.250.0000.00816.39
7.4.240.0020.00516.53
7.4.230.0030.00316.25
7.4.220.0080.00816.50
7.4.210.0090.01216.58
7.4.200.0000.00716.33
7.4.160.0030.01416.48
7.4.150.0100.00717.40
7.4.140.0100.00917.86
7.4.130.0060.01016.53
7.4.120.0090.00916.34
7.4.110.0090.00916.64
7.4.100.0060.01516.32
7.4.90.0100.00716.36
7.4.80.0060.01819.39
7.4.70.0070.01016.28
7.4.60.0060.01216.39
7.4.50.0000.00616.15
7.4.40.0170.00716.57
7.4.30.0160.00516.35
7.4.00.0030.01214.71
7.3.330.0050.00013.22
7.3.320.0050.00013.22
7.3.310.0020.00516.27
7.3.300.0000.00616.25
7.3.290.0060.00816.24
7.3.280.0090.00916.24
7.3.270.0160.00617.40
7.3.260.0140.00616.20
7.3.250.0090.00916.46
7.3.240.0100.00716.50
7.3.230.0160.00016.39
7.3.210.0090.00916.30
7.3.200.0080.01619.39
7.3.190.0150.00316.25
7.3.180.0040.01116.13
7.3.170.0110.00516.27
7.3.160.0030.01116.20
7.3.120.0040.01114.94
7.2.330.0100.00716.71
7.2.320.0030.01616.31
7.2.310.0060.00916.70
7.2.300.0100.00616.26
7.2.290.0040.01916.32
7.1.70.0040.00416.87
7.1.60.0040.00819.70
7.1.50.0120.00916.67
7.1.00.0030.07722.57
7.0.200.0030.00316.79
7.0.140.0070.07021.95
7.0.90.0100.06720.00
7.0.80.0130.07019.88
7.0.70.0100.08019.93
7.0.60.0000.07019.93
7.0.50.0100.04320.32
7.0.40.0030.04719.95
7.0.30.0070.05020.05
7.0.20.0130.08020.18
7.0.10.0170.04320.18
7.0.00.0070.04319.93
5.6.280.0030.07021.10
5.6.230.0100.04720.60
5.6.220.0070.04320.49
5.6.210.0200.06720.75
5.6.200.0070.05321.09
5.6.190.0030.07721.11
5.6.180.0070.08721.11
5.6.170.0000.08321.17
5.6.160.0130.06321.05
5.6.150.0030.05720.94
5.6.140.0170.08021.05
5.6.130.0100.06721.05
5.6.120.0030.08720.93
5.6.110.0100.08320.98
5.6.100.0070.08721.10
5.6.90.0100.07021.11
5.6.80.0070.08320.32
5.6.70.0130.07720.48
5.6.60.0170.06320.45
5.6.50.0100.08320.50
5.6.40.0100.04320.31
5.6.30.0070.04720.44
5.6.20.0070.08020.41
5.6.10.0070.05020.30
5.6.00.0100.07320.29
5.5.370.0100.05320.42
5.5.360.0200.06720.34
5.5.350.0070.08320.38
5.5.340.0070.08320.80
5.5.330.0130.07320.80
5.5.320.0100.07320.92
5.5.310.0170.07320.87
5.5.300.0000.07020.83
5.5.290.0130.07020.64
5.5.280.0130.07020.79
5.5.270.0100.08020.88
5.5.260.0130.06720.77
5.5.250.0130.07020.71
5.5.240.0030.08720.12
5.5.230.0130.08020.28
5.5.220.0130.07320.22
5.5.210.0100.05720.14
5.5.200.0100.04720.21
5.5.190.0130.07020.15
5.5.180.0100.07720.23
5.5.160.0070.08720.18
5.5.150.0130.07320.27
5.5.140.0000.08720.22
5.5.130.0070.05020.27
5.5.120.0070.03720.23
5.5.110.0100.07020.16
5.5.100.0130.05020.07
5.5.90.0070.04319.95
5.5.80.0070.03719.92
5.5.70.0070.04020.10
5.5.60.0000.04320.06
5.5.50.0000.04020.06
5.5.40.0030.04019.93
5.5.30.0070.03720.06
5.5.20.0070.09319.99
5.5.10.0030.06720.05
5.5.00.0030.04019.93
5.4.450.0100.07019.46
5.4.440.0070.08019.25
5.4.430.0100.04319.50
5.4.420.0100.07319.22
5.4.410.0100.04319.36
5.4.400.0070.07719.04
5.4.390.0100.07719.14
5.4.380.0100.07019.09
5.4.370.0100.03719.23
5.4.360.0030.07719.20
5.4.350.0030.07718.85
5.4.340.0030.08719.25
5.4.320.0170.07019.03
5.4.310.0200.06719.23
5.4.300.0130.06719.03
5.4.290.0170.04019.20
5.4.280.0000.04319.09
5.4.270.0070.03718.87
5.4.260.0030.07318.87
5.4.250.0070.05019.13
5.4.240.0070.03318.85
5.4.230.0100.05019.11
5.4.220.0130.05319.04
5.4.210.0100.06718.84
5.4.200.0030.04319.15
5.4.190.0030.03719.08
5.4.180.0030.03719.17
5.4.170.0030.04319.03
5.4.160.0070.04019.10
5.4.150.0070.03319.01
5.4.140.0070.03316.46
5.4.130.0170.02016.48
5.4.120.0100.06316.43
5.4.110.0030.04316.43
5.4.100.0030.03716.36
5.4.90.0000.03716.24
5.4.80.0070.03016.28
5.4.70.0000.03716.49
5.4.60.0030.03716.35
5.4.50.0000.03716.44
5.4.40.0030.03316.44
5.4.30.0030.03316.49
5.4.20.0030.03716.48
5.4.10.0030.04316.29
5.4.00.0000.03715.91
5.3.290.0070.06014.63
5.3.280.0100.04314.51
5.3.270.0000.04014.57
5.3.260.0000.04014.61
5.3.250.0070.03314.55
5.3.240.0000.03714.71
5.3.230.0030.03314.59
5.3.220.0100.03014.68
5.3.210.0100.04314.54
5.3.200.0030.03714.66
5.3.190.0070.07714.61
5.3.180.0070.05714.66
5.3.170.0070.03314.62
5.3.160.0030.03014.44
5.3.150.0000.04314.62
5.3.140.0100.02714.57
5.3.130.0070.03314.59
5.3.120.0000.04314.55
5.3.110.0000.04014.57
5.3.100.0070.03714.17
5.3.90.0000.04314.17
5.3.80.0030.03714.17
5.3.70.0130.02714.17
5.3.60.0000.04314.17
5.3.50.0000.04014.17
5.3.40.0000.04014.17
5.3.30.0030.03714.17
5.3.20.0000.04014.17
5.3.10.0070.02714.17
5.3.00.0070.03014.17
5.2.170.0000.03014.17
5.2.160.0000.04314.17
5.2.150.0000.03014.17
5.2.140.0000.02714.17
5.2.130.0000.03014.17
5.2.120.0030.02714.17
5.2.110.0000.03014.17
5.2.100.0000.03014.17
5.2.90.0030.03014.17
5.2.80.0000.03314.17
5.2.70.0030.03314.17
5.2.60.0000.03014.17
5.2.50.0070.02314.17
5.2.40.0070.02714.17
5.2.30.0000.03014.17
5.2.20.0000.03014.17
5.2.10.0030.02314.17
5.2.00.0070.02314.17
5.1.60.0000.02714.17
5.1.50.0000.02714.17
5.1.40.0000.03314.17
5.1.30.0000.03014.17
5.1.20.0000.02714.17
5.1.10.0070.02014.17
5.1.00.0130.01314.17
5.0.50.0000.02014.17
5.0.40.0000.02014.17
5.0.30.0030.06314.17
5.0.20.0030.03314.17
5.0.10.0000.04314.17
5.0.00.0100.05314.17
4.4.90.0000.02314.17
4.4.80.0000.01714.17
4.4.70.0000.01714.17
4.4.60.0030.01014.17
4.4.50.0030.01314.17
4.4.40.0030.02014.17
4.4.30.0000.01714.17
4.4.20.0030.01314.17
4.4.10.0000.01714.17
4.4.00.0000.02714.17
4.3.110.0030.01314.17
4.3.100.0000.02714.17
4.3.90.0000.03714.17
4.3.80.0070.05014.17
4.3.70.0000.03714.17
4.3.60.0030.02314.17
4.3.50.0030.03314.17
4.3.40.0130.03314.17
4.3.30.0030.03014.17
4.3.20.0000.03014.17
4.3.10.0030.03314.17
4.3.00.0030.02014.17

preferences:
41.45 ms | 400 KiB | 5 Q