3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo {} $a = null; $f = new Foo($a = 123); var_dump($a); // NULL class FooC { function __constructor(){echo '';} } $a = null; $f = new FooC($a = 123); var_dump($a); // int(123)

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)
8.3.60.0090.00618.18
8.3.50.0100.00721.14
8.3.40.0040.01118.46
8.3.30.0090.00620.39
8.3.20.0070.00020.11
8.3.10.0030.00621.84
8.3.00.0060.00322.34
8.2.180.0150.01116.50
8.2.170.0140.00322.96
8.2.160.0100.00322.32
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00020.75
8.2.110.0050.00522.13
8.2.100.0080.00417.59
8.2.90.0040.00419.13
8.2.80.0070.00019.39
8.2.70.0030.00617.50
8.2.60.0080.00017.80
8.2.50.0040.00418.07
8.2.40.0050.00318.03
8.2.30.0000.00819.36
8.2.20.0000.00817.46
8.2.10.0030.00617.75
8.2.00.0040.00417.66
8.1.280.0040.01525.92
8.1.270.0040.00423.99
8.1.260.0000.00726.35
8.1.250.0070.00028.09
8.1.240.0030.00723.64
8.1.230.0040.00719.21
8.1.220.0050.00317.79
8.1.210.0000.00918.77
8.1.200.0040.00417.36
8.1.190.0030.00517.18
8.1.180.0030.00619.01
8.1.170.0030.00618.55
8.1.160.0050.00518.78
8.1.150.0080.00518.44
8.1.140.0000.00717.39
8.1.130.0030.00317.79
8.1.120.0040.00317.33
8.1.110.0000.01017.40
8.1.100.0040.00417.41
8.1.90.0070.00017.39
8.1.80.0000.00717.44
8.1.70.0050.00217.40
8.1.60.0080.00017.49
8.1.50.0040.00417.40
8.1.40.0000.00917.45
8.1.30.0040.00417.59
8.1.20.0000.00917.63
8.1.10.0050.00317.41
8.1.00.0040.00417.45
8.0.300.0000.00718.77
8.0.290.0000.00816.93
8.0.280.0070.00018.28
8.0.270.0030.00317.17
8.0.260.0030.00316.77
8.0.250.0070.00016.86
8.0.240.0040.00616.89
8.0.230.0040.00416.91
8.0.220.0070.00016.85
8.0.210.0030.00316.79
8.0.200.0030.00316.88
8.0.190.0000.00916.75
8.0.180.0000.00716.83
8.0.170.0030.00516.76
8.0.160.0030.00616.87
8.0.150.0040.00416.63
8.0.140.0000.00716.68
8.0.130.0060.00013.25
8.0.120.0000.00816.70
8.0.110.0030.00616.74
8.0.100.0000.00716.72
8.0.90.0000.00816.70
8.0.80.0040.01116.83
8.0.70.0040.00416.63
8.0.60.0000.00716.89
8.0.50.0040.00416.75
8.0.30.0090.01016.96
8.0.20.0110.00817.40
8.0.10.0000.00716.94
8.0.00.0100.01016.64
7.4.330.0000.00515.06
7.4.320.0060.00016.49
7.4.300.0060.00016.54
7.4.290.0040.00416.30
7.4.280.0040.00416.37
7.4.270.0070.00016.44
7.4.260.0000.00513.22
7.4.250.0040.00416.45
7.4.240.0020.00516.44
7.4.230.0040.00416.35
7.4.220.0100.00616.36
7.4.210.0060.01216.52
7.4.200.0000.00716.65
7.4.190.0070.00016.61
7.4.160.0080.00816.55
7.4.150.0080.00917.40
7.4.140.0100.00717.86
7.4.130.0150.00616.38
7.4.120.0050.01416.39
7.4.110.0100.00716.20
7.4.100.0080.00816.47
7.4.90.0170.00016.41
7.4.80.0110.00619.39
7.4.70.0130.00716.48
7.4.60.0070.01416.35
7.4.50.0040.00416.40
7.4.40.0150.00322.77
7.4.30.0140.00916.37
7.4.00.0090.00614.88
7.3.330.0030.00313.21
7.3.320.0020.00213.17
7.3.310.0000.00716.16
7.3.300.0000.00716.00
7.3.290.0070.00716.22
7.3.280.0080.00616.20
7.3.270.0070.01117.40
7.3.260.0130.00316.60
7.3.250.0070.01216.45
7.3.240.0100.00716.17
7.3.230.0040.01216.52
7.3.210.0170.00016.05
7.3.200.0130.01019.39
7.3.190.0100.00716.40
7.3.180.0090.00616.15
7.3.170.0090.00616.46
7.3.160.0000.01516.27
7.3.120.0060.00314.96
7.2.330.0060.01316.26
7.2.320.0090.01216.41
7.2.310.0260.01816.71
7.2.300.0110.00716.55
7.2.290.0090.00916.56
7.2.60.0040.01217.03
7.1.200.0090.00315.68
7.1.100.0030.00617.91
7.1.70.0030.00517.23
7.1.60.0140.01119.32
7.1.50.0100.01017.01
7.1.00.0070.07022.36
7.0.200.0030.00316.73
7.0.140.0000.07322.10
7.0.100.0070.07319.94
7.0.90.0170.04719.91
7.0.80.0300.06719.94
7.0.70.0270.08019.85
7.0.60.0070.08320.00
7.0.50.0030.04320.21
7.0.40.0030.06320.09
7.0.30.0070.07720.11
7.0.20.0070.06720.08
7.0.10.0070.08320.18
7.0.00.0170.05020.07
5.6.280.0000.07721.00
5.6.250.0130.06720.49
5.6.240.0070.08020.64
5.6.230.0170.05720.69
5.6.220.0100.06320.68
5.6.210.0070.08320.55
5.6.200.0000.08321.08
5.6.190.0130.06721.05
5.6.180.0000.04721.04
5.6.170.0070.08721.02
5.6.160.0070.05720.94
5.6.150.0070.07020.96
5.6.140.0130.07720.93
5.6.130.0170.07721.17
5.6.120.0070.08321.07
5.6.110.0100.07720.95
5.6.100.0070.08021.16
5.6.90.0100.08021.06
5.6.80.0070.07320.52
5.6.70.0100.07320.38
5.6.60.0100.05020.38
5.6.50.0170.07020.47
5.6.40.0070.06320.47
5.6.30.0130.03720.54
5.6.20.0030.08320.43
5.6.10.0070.07020.52
5.6.00.0000.06320.30
5.5.380.0070.08020.40
5.5.370.0170.06320.55
5.5.360.0030.08320.41
5.5.350.0100.08320.48
5.5.340.0070.04320.80
5.5.330.0030.04320.83
5.5.320.0100.07320.85
5.5.310.0100.04720.75
5.5.300.0030.08320.80
5.5.290.0100.04720.64
5.5.280.0070.07020.84
5.5.270.0130.07720.75
5.5.260.0200.06320.82
5.5.250.0030.08320.68
5.5.240.0100.04720.03
5.5.230.0100.07720.26
5.5.220.0070.07720.28
5.5.210.0100.04020.20
5.5.200.0070.07320.27
5.5.190.0030.08320.16
5.5.180.0030.08020.25
5.5.160.0070.03720.13
5.5.150.0070.03320.23
5.5.140.0030.04720.18
5.5.130.0030.07320.18
5.5.120.0070.06320.23
5.5.110.0070.06320.26
5.5.100.0070.08020.13
5.5.90.0170.05720.07
5.5.80.0070.06320.13
5.5.70.0070.05019.92
5.5.60.0070.04320.14
5.5.50.0070.04020.07
5.5.40.0100.07020.09
5.5.30.0070.05019.90
5.5.20.0100.05320.05
5.5.10.0100.05720.12
5.5.00.0030.07020.10
5.4.450.0070.05019.20
5.4.440.0130.04019.50
5.4.430.0070.07719.35
5.4.420.0070.05319.45
5.4.410.0000.04719.01
5.4.400.0070.07019.18
5.4.390.0070.04019.16
5.4.380.0030.07718.85
5.4.370.0070.07718.87
5.4.360.0100.05719.16
5.4.350.0030.05019.13
5.4.340.0030.04319.04
5.4.320.0030.06319.04
5.4.310.0070.07019.09
5.4.300.0130.04019.13
5.4.290.0030.03719.04
5.4.280.0030.06719.04
5.4.270.0070.07319.18
5.4.260.0070.07719.04
5.4.250.0030.06319.17
5.4.240.0070.05019.04
5.4.230.0100.06719.17
5.4.220.0070.04319.00
5.4.210.0030.04319.22
5.4.200.0100.04719.11
5.4.190.0130.06718.87
5.4.180.0030.07719.20
5.4.170.0030.07319.15
5.4.160.0100.03318.88
5.4.150.0100.03719.02
5.4.140.0070.06016.49
5.4.130.0100.06716.38
5.4.120.0100.07016.41
5.4.110.0070.07016.40
5.4.100.0130.06316.52
5.4.90.0030.08016.48
5.4.80.0170.06016.51
5.4.70.0070.03316.30
5.4.60.0130.06716.40
5.4.50.0100.06716.40
5.4.40.0070.07316.42
5.4.30.0030.06716.31
5.4.20.0070.07316.48
5.4.10.0130.07716.48
5.4.00.0070.04715.86
5.3.290.0070.07714.70
5.3.280.0070.04014.61
5.3.270.0100.07014.54
5.3.260.0100.07014.60
5.3.250.0100.05314.59
5.3.240.0070.07314.53
5.3.230.0070.07314.61
5.3.220.0200.06314.51
5.3.210.0070.07714.59
5.3.200.0070.06314.59
5.3.190.0170.06014.54
5.3.180.0100.04014.48
5.3.170.0100.03714.62
5.3.160.0130.05714.59
5.3.150.0130.07014.50
5.3.140.0070.07314.57
5.3.130.0070.07314.66
5.3.120.0070.07014.54
5.3.110.0030.08014.53
5.3.100.0100.03713.96
5.3.90.0030.06713.93
5.3.80.0130.05013.90
5.3.70.0070.07314.02
5.3.60.0070.07313.89
5.3.50.0130.04014.06
5.3.40.0070.07013.89
5.3.30.0100.07013.96
5.3.20.0030.08013.59
5.3.10.0030.03313.66
5.3.00.0100.06713.78
5.2.170.0100.04712.31
5.2.160.0030.03312.31
5.2.150.0100.04712.31
5.2.140.0070.05012.31
5.2.130.0100.03312.31
5.2.120.0030.03312.31
5.2.110.0000.06312.31
5.2.100.0070.04012.31
5.2.90.0000.03312.31
5.2.80.0030.05312.31
5.2.70.0030.06012.31
5.2.60.0030.07012.31
5.2.50.0030.05312.31
5.2.40.0030.04012.31
5.2.30.0030.03012.31
5.2.20.0130.02312.31
5.2.10.0030.05712.31
5.2.00.0070.04012.31
5.1.60.0130.04312.31
5.1.50.0100.05012.31
5.1.40.0030.02312.31
5.1.30.0030.06012.31
5.1.20.0000.06012.31
5.1.10.0070.05012.31
5.1.00.0100.04312.31
5.0.50.0000.02312.31
5.0.40.0070.03312.31
5.0.30.0000.04012.31
5.0.20.0070.04012.31
5.0.10.0030.03012.31
5.0.00.0000.03712.31
4.4.90.0000.03312.31
4.4.80.0030.03312.31
4.4.70.0000.01712.31
4.4.60.0030.02012.31
4.4.50.0000.03712.31
4.4.40.0000.03712.31
4.4.30.0030.01712.31
4.4.20.0000.02312.31
4.4.10.0000.02012.31
4.4.00.0000.02712.31
4.3.110.0000.01712.31
4.3.100.0030.02012.31
4.3.90.0000.03312.31
4.3.80.0030.04312.31
4.3.70.0000.01712.31
4.3.60.0070.02712.31
4.3.50.0000.03012.31
4.3.40.0000.05712.31
4.3.30.0000.03712.31
4.3.20.0000.01712.31
4.3.10.0030.03712.31
4.3.00.0070.02312.31

preferences:
53.32 ms | 401 KiB | 5 Q