3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data1 = array('foo', null, 'bar', false, 5); $data2 = array('foo', null, 'bar', false, 5); foreach ($data1 as $key => $value) { if ($value === null) { unset($data1[$key]); } } print_r($data1); $data2 = array_filter($data2, function ($value) { return $value === null; }); print_r($data2);

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)
8.3.70.0090.00616.50
8.3.60.0110.00418.52
8.3.50.0160.00321.13
8.3.40.0070.01018.87
8.3.30.0030.01018.95
8.3.20.0050.00320.21
8.3.10.0040.00423.51
8.3.00.0100.00017.13
8.2.180.0070.01516.50
8.2.170.0110.00422.96
8.2.160.0100.00720.35
8.2.150.0100.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0040.00422.28
8.2.110.0070.00320.36
8.2.100.0110.00018.16
8.2.90.0000.00919.27
8.2.80.0030.00517.97
8.2.70.0060.00317.75
8.2.60.0030.00618.05
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0000.00718.11
8.2.20.0040.00417.78
8.2.10.0040.00418.00
8.2.00.0070.00317.63
8.1.280.0080.00825.92
8.1.270.0000.01823.86
8.1.260.0000.00726.35
8.1.250.0060.00328.09
8.1.240.0060.00320.87
8.1.230.0080.00317.76
8.1.220.0060.00317.74
8.1.210.0050.00318.77
8.1.200.0060.00317.35
8.1.190.0040.00417.36
8.1.180.0060.00318.10
8.1.170.0060.00318.71
8.1.160.0000.00722.03
8.1.150.0000.00718.90
8.1.140.0070.00317.36
8.1.130.0040.00417.76
8.1.120.0040.00417.39
8.1.110.0030.00517.46
8.1.100.0000.00717.45
8.1.90.0000.00717.38
8.1.80.0040.00417.38
8.1.70.0040.00417.36
8.1.60.0030.00617.56
8.1.50.0060.00317.55
8.1.40.0030.00517.48
8.1.30.0000.00817.65
8.1.20.0000.00717.64
8.1.10.0000.00717.41
8.1.00.0030.00617.37
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0030.00318.50
8.0.270.0030.00317.28
8.0.260.0030.00317.27
8.0.250.0030.00317.00
8.0.240.0060.00016.93
8.0.230.0040.00416.84
8.0.220.0070.00016.87
8.0.210.0070.00016.77
8.0.200.0000.00916.96
8.0.190.0000.00916.86
8.0.180.0000.00716.81
8.0.170.0000.00816.93
8.0.160.0040.00416.75
8.0.150.0040.00416.75
8.0.140.0060.00316.82
8.0.130.0050.00013.38
8.0.120.0040.00416.89
8.0.110.0040.00416.88
8.0.100.0070.00016.90
8.0.90.0040.00416.97
8.0.80.0080.00816.90
8.0.70.0000.00716.95
8.0.60.0040.00416.78
8.0.50.0020.00516.75
8.0.30.0120.01117.11
8.0.20.0110.00817.40
8.0.10.0040.00416.88
8.0.00.0110.00816.82
7.4.330.0050.00015.00
7.4.320.0030.00316.61
7.4.300.0030.00316.54
7.4.290.0070.00016.63
7.4.280.0030.00516.51
7.4.270.0070.00016.60
7.4.260.0090.00016.52
7.4.250.0070.00016.47
7.4.240.0000.00716.51
7.4.230.0040.00416.63
7.4.220.0030.01516.63
7.4.210.0100.01016.68
7.4.200.0070.00016.62
7.4.160.0070.01016.44
7.4.150.0090.00917.40
7.4.140.0120.00917.86
7.4.130.0110.00616.58
7.4.120.0110.00816.58
7.4.110.0070.01116.63
7.4.100.0030.01416.55
7.4.90.0130.00616.46
7.4.80.0060.01119.39
7.4.70.0100.00616.46
7.4.60.0090.00916.57
7.4.50.0000.00816.44
7.4.40.0070.01316.26
7.4.30.0060.01016.53
7.4.00.0060.01015.01
7.3.330.0030.00313.37
7.3.320.0030.00313.17
7.3.310.0030.00316.44
7.3.300.0030.00316.32
7.3.290.0100.00516.36
7.3.280.0080.00816.36
7.3.270.0110.00717.40
7.3.260.0060.01316.31
7.3.250.0150.00316.69
7.3.240.0060.01616.45
7.3.230.0070.01016.39
7.3.210.0060.01516.58
7.3.200.0130.01019.39
7.3.190.0070.01016.55
7.3.180.0090.00616.64
7.3.170.0000.01616.64
7.3.160.0130.00316.38
7.2.330.0130.00416.52
7.2.320.0110.01116.86
7.2.310.0140.00916.80
7.2.300.0070.01016.79
7.2.290.0140.00416.50
7.2.00.0060.00619.06
7.1.100.0060.00618.39
7.1.70.0000.00917.16
7.1.60.0120.01219.32
7.1.50.0070.01316.96
7.1.00.0000.08022.46
7.0.200.0040.00416.60
7.0.140.0100.06722.05
7.0.60.0200.07019.87
7.0.50.0030.08317.86
7.0.40.0100.06020.11
7.0.30.0370.04720.08
7.0.20.0270.06020.15
7.0.10.0070.09020.07
7.0.00.0030.08720.09
5.6.280.0030.07321.10
5.6.210.0100.07320.48
5.6.200.0070.03718.16
5.6.190.0130.03720.39
5.6.180.0270.07720.48
5.6.170.0370.07720.50
5.6.160.0070.06320.57
5.6.150.0030.07718.29
5.6.140.0030.04318.15
5.6.130.0170.07018.17
5.6.120.0030.08320.92
5.6.110.0030.05321.14
5.6.100.0030.04021.14
5.6.90.0100.03721.00
5.6.80.0100.04020.42
5.5.350.0130.08320.41
5.5.340.0070.07718.09
5.5.330.0070.04320.21
5.5.320.0270.05020.38
5.5.310.0170.04720.34
5.5.300.0070.07017.94
5.5.290.0070.08017.93
5.5.280.0130.06720.80
5.5.270.0070.05020.63
5.5.260.0100.07320.72
5.5.250.0130.05020.59
5.5.240.0200.08020.16
5.4.450.0870.05319.59
5.4.440.0130.06019.20
5.4.430.0330.04319.55
5.4.420.0630.00019.44
5.4.410.0630.00019.28
5.4.400.0630.00019.27
5.4.390.0630.00019.21
5.4.380.0670.00019.23
5.4.370.0700.00019.08
5.4.360.0600.00018.98
5.4.350.0630.00019.11
5.4.340.0070.03612.02
5.4.320.0120.03512.51
5.4.310.0090.03712.50
5.4.300.0080.03712.51
5.4.290.0070.04812.50
5.4.280.0030.03712.39
5.4.270.0060.03912.39
5.4.260.0100.03612.39
5.4.250.0060.03612.39
5.4.240.0100.03712.40
5.4.230.0020.04012.39
5.4.220.0080.04012.39
5.4.210.0050.04112.39
5.4.200.0080.03512.38
5.4.190.0060.03612.38
5.4.180.0040.03712.39
5.4.170.0060.03512.39
5.4.160.0060.03412.39
5.4.150.0040.03712.39
5.4.140.0110.03812.07
5.4.130.0070.03412.06
5.4.120.0040.03712.02
5.4.110.0080.03312.01
5.4.100.0040.03612.01
5.4.90.0040.03812.02
5.4.80.0060.03612.01
5.4.70.0060.03312.01
5.4.60.0080.03112.01
5.4.50.0060.03412.00
5.4.40.0040.03512.00
5.4.30.0080.03412.00
5.4.20.0060.03412.00
5.4.10.0060.03311.99
5.4.00.0030.03811.48
5.3.290.0050.03812.80
5.3.280.0060.03612.71
5.3.270.0020.04112.72
5.3.260.0070.03712.71
5.3.250.0020.03912.72
5.3.240.0050.03712.72
5.3.230.0040.04012.71
5.3.220.0090.04012.68
5.3.210.0040.04112.68
5.3.200.0070.03612.68
5.3.190.0060.03812.68
5.3.180.0060.04112.67
5.3.170.0110.03212.67
5.3.160.0030.04112.68
5.3.150.0090.05012.67
5.3.140.0080.03712.66
5.3.130.0050.04112.65
5.3.120.0060.03912.66
5.3.110.0010.04312.66
5.3.100.0090.03812.12
5.3.90.0060.03712.10
5.3.80.0060.04012.09
5.3.70.0070.03712.09
5.3.60.0080.03912.07
5.3.50.0060.04012.04
5.3.40.0060.03912.02
5.3.30.0080.03611.98
5.3.20.0080.03611.75
5.3.10.0050.03611.73
5.3.00.0090.03411.72
5.2.170.0030.0329.18
5.2.160.0070.0269.19
5.2.150.0050.0309.18
5.2.140.0040.0319.18
5.2.130.0010.0329.14
5.2.120.0050.0289.14
5.2.110.0070.0269.15
5.2.100.0030.0309.15
5.2.90.0050.0289.15
5.2.80.0050.0299.14
5.2.70.0040.0309.14
5.2.60.0050.0299.09
5.2.50.0050.0299.06
5.2.40.0050.0349.04
5.2.30.0060.0299.02
5.2.20.0050.0289.01
5.2.10.0020.0318.93
5.2.00.0050.0288.79
5.1.60.0050.0238.07
5.1.50.0030.0258.07
5.1.40.0050.0238.05
5.1.30.0040.0268.40
5.1.20.0060.0268.42
5.1.10.0050.0258.14
5.1.00.0020.0288.15
5.0.50.0040.0196.63
5.0.40.0070.0186.48
5.0.30.0020.0356.29
5.0.20.0040.0186.27
5.0.10.0010.0226.25
5.0.00.0050.0286.24
4.4.90.0010.0174.78
4.4.80.0030.0144.75
4.4.70.0010.0184.76
4.4.60.0020.0174.75
4.4.50.0020.0154.77
4.4.40.0050.0224.71
4.4.30.0030.0154.76
4.4.20.0050.0134.84
4.4.10.0020.0164.85
4.4.00.0030.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0144.67
4.3.90.0020.0154.63
4.3.80.0030.0234.58
4.3.70.0010.0164.63
4.3.60.0050.0124.63
4.3.50.0010.0174.63
4.3.40.0030.0244.53
4.3.30.0030.0153.29
4.3.20.0020.0173.26
4.3.10.0020.0163.23
4.3.00.0030.0237.14

preferences:
45.37 ms | 401 KiB | 5 Q