3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { protected $bar = 23; public function getBar() { return $this->bar; } public function getBaz() { return NULL; } } $foo = new Foo(); var_dump(empty($foo->getBar())); var_dump(empty($foo->getBaz()));

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)
8.3.40.0150.00418.79
8.3.30.0140.00019.04
8.3.20.0070.00020.20
8.3.10.0040.00421.64
8.3.00.0040.00417.80
8.2.170.0110.00322.96
8.2.160.0100.00320.52
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0100.00326.16
8.2.120.0000.00821.13
8.2.110.0030.00622.20
8.2.100.0060.00617.59
8.2.90.0090.00017.63
8.2.80.0040.00417.97
8.2.70.0000.00818.05
8.2.60.0070.00017.93
8.2.50.0090.00018.10
8.2.40.0070.00022.27
8.2.30.0080.00017.99
8.2.20.0080.00017.57
8.2.10.0040.00418.07
8.2.00.0000.00817.74
8.1.270.0050.00323.96
8.1.260.0070.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00423.83
8.1.230.0080.00419.17
8.1.220.0000.00817.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0040.00417.23
8.1.180.0090.00018.10
8.1.170.0030.00618.56
8.1.160.0000.00721.89
8.1.150.0040.00418.89
8.1.140.0000.00717.38
8.1.130.0000.00717.76
8.1.120.0000.00717.40
8.1.110.0040.00417.44
8.1.100.0030.00617.49
8.1.90.0030.00517.39
8.1.80.0000.00717.32
8.1.70.0020.00517.46
8.1.60.0030.00517.58
8.1.50.0040.00417.57
8.1.40.0050.00317.43
8.1.30.0080.00017.52
8.1.20.0050.00317.50
8.1.10.0040.00417.41
8.1.00.0030.00617.46
8.0.300.0000.00719.64
8.0.290.0040.00416.63
8.0.280.0030.00518.51
8.0.270.0050.00317.21
8.0.260.0060.00017.18
8.0.250.0000.00716.84
8.0.240.0030.00316.90
8.0.230.0030.00316.98
8.0.220.0050.00316.86
8.0.210.0000.00716.87
8.0.200.0000.00816.84
8.0.190.0040.00416.83
8.0.180.0000.00816.86
8.0.170.0050.00316.80
8.0.160.0000.00716.99
8.0.150.0000.00716.92
8.0.140.0030.00516.82
8.0.130.0000.00713.27
8.0.120.0030.00516.91
8.0.110.0000.00716.88
8.0.100.0000.00716.97
8.0.90.0000.00816.71
8.0.80.0030.01216.85
8.0.70.0070.00016.70
8.0.60.0030.00516.88
8.0.50.0050.00316.67
8.0.30.0110.01317.14
8.0.20.0100.01317.40
8.0.10.0000.00717.01
8.0.00.0100.00816.84
7.4.330.0050.00015.01
7.4.320.0080.00016.60
7.4.300.0040.00416.50
7.4.290.0000.00716.45
7.4.280.0030.00416.52
7.4.270.0030.00416.38
7.4.260.0000.00816.39
7.4.250.0030.00516.59
7.4.240.0040.00416.55
7.4.230.0070.00016.72
7.4.220.0070.01016.46
7.4.210.0140.00316.58
7.4.200.0000.00716.32
7.4.160.0090.00616.36
7.4.150.0110.00617.40
7.4.140.0100.01117.86
7.4.130.0060.01016.49
7.4.120.0140.00716.44
7.4.110.0040.01216.55
7.4.100.0140.00816.49
7.4.90.0040.01516.52
7.4.80.0120.00819.39
7.4.70.0060.01016.59
7.4.60.0070.01116.53
7.4.50.0040.00416.58
7.4.40.0080.00916.66
7.4.30.0140.00416.40
7.4.00.0070.00814.93
7.3.330.0000.00513.07
7.3.320.0000.00613.20
7.3.310.0030.00316.18
7.3.300.0000.00716.27
7.3.290.0140.00316.23
7.3.280.0070.01216.29
7.3.270.0090.00917.40
7.3.260.0170.00016.53
7.3.250.0110.00616.40
7.3.240.0140.00416.35
7.3.230.0120.00416.41
7.3.210.0130.00316.25
7.3.200.0060.01219.39
7.3.190.0030.01516.54
7.3.180.0120.01216.21
7.3.170.0060.01016.27
7.3.160.0080.00816.15
7.3.120.0110.00514.75
7.3.110.0120.00314.99
7.3.100.0030.01414.62
7.3.90.0070.01114.81
7.3.80.0060.01214.64
7.3.70.0030.01014.53
7.3.60.0030.00714.54
7.3.50.0000.01114.89
7.3.40.0040.01114.65
7.3.30.0060.01014.88
7.3.20.0060.00616.64
7.3.10.0040.00716.46
7.3.00.0060.00916.45
7.2.330.0130.00716.30
7.2.320.0040.01216.84
7.2.310.0030.01516.60
7.2.300.0030.01316.55
7.2.290.0100.00716.38
7.2.250.0030.01415.19
7.2.240.0100.00715.08
7.2.230.0070.01115.27
7.2.220.0040.00714.73
7.2.210.0030.01015.12
7.2.200.0060.00615.11
7.2.190.0100.00314.96
7.2.180.0000.01115.21
7.2.170.0040.00815.06
7.2.00.0040.01419.26
7.1.330.0070.01015.69
7.1.320.0060.00915.57
7.1.310.0040.00715.80
7.1.300.0060.00615.54
7.1.290.0040.00715.86
7.1.280.0100.00715.37
7.1.270.0000.01615.75
7.1.260.0040.00715.75
7.1.100.0000.01317.64
7.1.70.0000.00817.06
7.1.60.0070.01719.25
7.1.50.0000.01116.57
7.1.00.0070.07322.54
7.0.200.0050.00216.64
7.0.140.0000.07722.09
7.0.60.0000.09319.91
7.0.50.0070.05317.73
7.0.40.0100.05720.09
7.0.30.0200.09320.25
7.0.20.0300.05320.07
7.0.10.0000.04720.19
7.0.00.0130.04020.16
5.6.280.0000.07721.13
5.6.210.0100.06720.77
5.6.200.0030.06018.18
5.6.190.0030.06020.52
5.6.180.0230.05320.77
5.6.170.0170.04320.62
5.6.160.0030.04020.43
5.6.150.0030.08318.18
5.6.140.0070.03718.13
5.6.130.0100.07018.18
5.6.120.0070.04321.00
5.6.110.0170.07321.12
5.6.100.0070.05720.98
5.6.90.0070.08321.13
5.6.80.0230.06720.38
5.5.350.0030.04020.39
5.5.340.0070.08018.02
5.5.330.0030.07720.47
5.5.320.0400.06320.36
5.5.310.0330.07020.36
5.5.300.0030.08317.95
5.5.290.0070.08018.03
5.5.280.0100.08020.80
5.5.270.0000.05020.76
5.5.260.0130.07320.73
5.5.250.0070.08020.69
5.5.240.0130.03020.16
5.4.450.0900.03719.50
5.4.440.0200.04319.48
5.4.430.0300.04719.32
5.4.420.0430.03719.16
5.4.410.0200.04719.03
5.4.400.0330.03319.21
5.4.390.0300.04019.07
5.4.380.0100.06718.58
5.4.370.0570.04318.79
5.4.360.0270.05318.75
5.4.350.0170.06318.51
5.4.340.0270.05018.63
5.4.320.0040.03812.51
5.4.310.0090.04712.51
5.4.300.0070.04512.52
5.4.290.0060.03712.51
5.4.280.0060.03412.41
5.4.270.0050.03612.41
5.4.260.0070.03712.41
5.4.250.0050.03812.41
5.4.240.0060.03412.41
5.4.230.0060.03712.40
5.4.220.0050.03612.40
5.4.210.0040.03612.40
5.4.200.0090.03812.40
5.4.190.0060.03512.39
5.4.180.0070.04112.39
5.4.170.0050.04212.41
5.4.160.0050.04612.40
5.4.150.0060.04212.40
5.4.140.0060.03812.09
5.4.130.0100.04512.07
5.4.120.0070.04812.03
5.4.110.0040.04712.02
5.4.100.0040.03712.03
5.4.90.0060.03812.03
5.4.80.0050.04112.02
5.4.70.0090.03712.03
5.4.60.0080.05012.02
5.4.50.0090.03812.02
5.4.40.0060.03412.01
5.4.30.0040.03612.01
5.4.20.0070.03712.01
5.4.10.0070.03512.00
5.4.00.0030.03811.50
5.3.290.0070.03812.80
5.3.280.0050.03812.71
5.3.270.0060.05012.72
5.3.260.0060.03712.72
5.3.250.0060.03512.72
5.3.240.0050.03612.72
5.3.230.0110.04212.71
5.3.220.0070.03612.68
5.3.210.0050.03912.68
5.3.200.0100.03712.68
5.3.190.0090.04212.67
5.3.180.0090.04712.68
5.3.170.0040.04112.67
5.3.160.0080.03412.67
5.3.150.0080.03412.67
5.3.140.0080.03312.66
5.3.130.0040.03912.66
5.3.120.0050.03812.66
5.3.110.0100.03312.66
5.3.100.0040.03712.13
5.3.90.0050.03612.10
5.3.80.0050.03612.10
5.3.70.0050.03612.10
5.3.60.0050.03712.08
5.3.50.0090.03312.03
5.3.40.0060.03512.03
5.3.30.0080.03212.00
5.3.20.0010.03911.77
5.3.10.0040.03611.73
5.3.00.0060.03511.72
5.2.170.0090.0299.22
5.2.160.0030.0329.22
5.2.150.0060.0289.22
5.2.140.0060.0289.22
5.2.130.0070.0259.18
5.2.120.0030.0299.18
5.2.110.0030.0299.19
5.2.100.0030.0299.18
5.2.90.0030.0309.18
5.2.80.0040.0309.18
5.2.70.0010.0329.18
5.2.60.0040.0299.13
5.2.50.0030.0309.10
5.2.40.0040.0279.07
5.2.30.0050.0289.05
5.2.20.0040.0299.04
5.2.10.0050.0308.95
5.2.00.0050.0288.81
5.1.60.0070.0388.09
5.1.50.0050.0268.09
5.1.40.0060.0358.07
5.1.30.0060.0258.42
5.1.20.0070.0388.45
5.1.10.0050.0338.16
5.1.00.0030.0268.17
5.0.50.0020.0296.64
5.0.40.0040.0186.51
5.0.30.0030.0306.32
5.0.20.0030.0236.28
5.0.10.0040.0196.26
5.0.00.0040.0366.25
4.4.90.0040.0174.78
4.4.80.0030.0154.75
4.4.70.0010.0244.75
4.4.60.0020.0194.75
4.4.50.0030.0154.77
4.4.40.0030.0264.71
4.4.30.0050.0134.75
4.4.20.0020.0164.85
4.4.10.0050.0184.85
4.4.00.0020.0304.76
4.3.110.0050.0254.67
4.3.100.0030.0144.66
4.3.90.0030.0144.63
4.3.80.0040.0224.58
4.3.70.0050.0204.63
4.3.60.0040.0134.62
4.3.50.0010.0164.62
4.3.40.0070.0304.53
4.3.30.0020.0153.30
4.3.20.0020.0263.28
4.3.10.0020.0153.23
4.3.00.0070.01315.28

preferences:
47.1 ms | 400 KiB | 5 Q