3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data[] = null; $data[] = 0; $data[] = 1; $data[] = true; $data[] = false; foreach($data as $value) { $result = is_null($value); echo "is_null ( ", var_export($value, true), " ) = ", var_export($result, true), " \n";}

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)
8.3.60.0110.00418.43
8.3.50.0190.00821.98
8.3.40.0090.00618.82
8.3.30.0040.01118.88
8.3.20.0000.00720.25
8.3.10.0030.00621.91
8.3.00.0060.00317.93
8.2.180.0150.00316.75
8.2.170.0090.00922.96
8.2.160.0100.00320.46
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0070.00026.16
8.2.120.0070.00021.04
8.2.110.0090.00320.39
8.2.100.0090.00317.98
8.2.90.0030.00519.35
8.2.80.0040.00417.97
8.2.70.0040.00417.63
8.2.60.0040.00418.03
8.2.50.0000.00818.07
8.2.40.0090.00019.88
8.2.30.0040.00718.30
8.2.20.0040.00417.73
8.2.10.0070.00017.98
8.2.00.0040.00417.80
8.1.280.0090.00625.92
8.1.270.0040.00422.16
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0050.00523.85
8.1.230.0040.00719.22
8.1.220.0050.00317.80
8.1.210.0040.00418.77
8.1.200.0000.01017.47
8.1.190.0060.00317.23
8.1.180.0000.00718.10
8.1.170.0060.00318.71
8.1.160.0000.00722.01
8.1.150.0000.00718.79
8.1.140.0040.00417.49
8.1.130.0070.00017.93
8.1.120.0080.00017.45
8.1.110.0030.00617.34
8.1.100.0000.00717.47
8.1.90.0030.00717.39
8.1.80.0030.00517.47
8.1.70.0000.00717.42
8.1.60.0000.00817.47
8.1.50.0000.00817.50
8.1.40.0070.00417.48
8.1.30.0030.00517.54
8.1.20.0070.00017.63
8.1.10.0060.00317.47
8.1.00.0000.00817.50
8.0.300.0030.00518.77
8.0.290.0060.00316.63
8.0.280.0000.00718.47
8.0.270.0030.00317.32
8.0.260.0030.00317.16
8.0.250.0070.00016.93
8.0.240.0080.00016.98
8.0.230.0080.00016.98
8.0.220.0000.00716.86
8.0.210.0000.00716.83
8.0.200.0000.00716.90
8.0.190.0030.00317.01
8.0.180.0000.00716.90
8.0.170.0080.00017.01
8.0.160.0000.00816.92
8.0.150.0000.00716.90
8.0.140.0030.00516.94
8.0.130.0060.00013.38
8.0.120.0000.00716.94
8.0.110.0000.00816.85
8.0.100.0040.00416.99
8.0.90.0080.00016.99
8.0.80.0030.01016.83
8.0.70.0050.00316.95
8.0.60.0000.00716.91
8.0.50.0040.00416.79
8.0.30.0100.01016.98
8.0.20.0100.01317.40
8.0.10.0050.00217.06
8.0.00.0080.01016.75
7.4.330.0000.00515.15
7.4.320.0000.00616.54
7.4.300.0050.00216.55
7.4.290.0100.00016.44
7.4.280.0000.00716.60
7.4.270.0040.00416.52
7.4.260.0020.00516.58
7.4.250.0000.00716.48
7.4.240.0040.00316.56
7.4.230.0040.00416.60
7.4.220.0140.00616.45
7.4.210.0030.01016.60
7.4.200.0000.00816.68
7.4.160.0040.01416.41
7.4.150.0160.00317.40
7.4.140.0080.00917.86
7.4.130.0100.00616.45
7.4.120.0040.01416.50
7.4.110.0060.01016.47
7.4.100.0070.01716.57
7.4.90.0110.00616.55
7.4.80.0040.01219.39
7.4.70.0110.00816.38
7.4.60.0140.00716.64
7.4.50.0000.00416.45
7.4.40.0110.01116.44
7.4.30.0080.00816.48
7.4.00.0080.00814.87
7.3.330.0000.00413.07
7.3.320.0050.00013.16
7.3.310.0000.00716.14
7.3.300.0040.00416.34
7.3.290.0070.01116.28
7.3.280.0080.00716.33
7.3.270.0140.00417.40
7.3.260.0090.00916.55
7.3.250.0140.00616.32
7.3.240.0140.00316.60
7.3.230.0130.00316.44
7.3.210.0140.00716.52
7.3.200.0040.01319.39
7.3.190.0060.01616.35
7.3.180.0150.00616.43
7.3.170.0060.01216.30
7.3.160.0100.00716.55
7.3.120.0070.00714.89
7.2.330.0030.01316.49
7.2.320.0030.01316.72
7.2.310.0100.00716.54
7.2.300.0070.01116.48
7.2.290.0060.01216.72
7.2.60.0060.00917.01
7.2.50.0090.00617.00
7.2.00.0030.01019.49
7.1.200.0110.00415.73
7.1.70.0040.00417.22
7.1.60.0100.01619.25
7.1.50.0100.01416.63
7.1.00.0000.08022.40
7.0.200.0060.00316.85
7.0.140.0030.07322.12
7.0.60.0030.07019.93
7.0.50.0130.06317.82
7.0.40.0070.07020.03
7.0.30.0130.04720.09
7.0.20.0200.08320.20
7.0.10.0100.06020.12
7.0.00.0100.08320.11
5.6.280.0100.06721.10
5.6.210.0070.07020.72
5.6.200.0100.05018.22
5.6.190.0070.09020.57
5.6.180.3930.04020.63
5.6.170.0230.04020.33
5.6.160.0100.06020.51
5.6.150.0100.03718.08
5.6.140.0100.05318.12
5.6.130.0070.08718.14
5.6.120.0070.04020.98
5.6.110.0130.07321.09
5.6.100.0100.08020.96
5.6.90.0130.05320.97
5.6.80.0130.05720.30
5.6.70.4030.04020.39
5.5.350.0030.08320.41
5.5.340.0030.03717.92
5.5.330.0030.05720.40
5.5.320.4000.04720.13
5.5.310.0300.07020.26
5.5.300.0070.08018.01
5.5.290.0030.07017.98
5.5.280.0030.08320.80
5.5.270.0030.08320.73
5.5.260.0030.08720.86
5.5.250.0030.08320.60
5.5.240.0300.07020.11
5.4.450.0400.04019.58
5.4.440.0300.05319.21
5.4.430.0430.04019.52
5.4.420.0130.04019.56
5.4.410.0400.03319.11
5.4.400.0500.05319.06
5.4.390.0500.04318.78
5.4.380.0730.05718.66
5.4.370.0970.04718.57
5.4.360.0800.05318.61
5.4.350.0570.06018.52
5.4.340.0930.06718.63
5.4.320.0090.04812.46
5.4.310.0060.03912.45
5.4.300.0090.03412.45
5.4.290.0050.04212.46
5.4.280.0060.03812.35
5.4.270.0070.03612.35
5.4.260.0070.04212.35
5.4.250.0060.04012.35
5.4.240.0050.04312.35
5.4.230.0050.04012.34
5.4.220.0070.03512.34
5.4.210.0060.03612.34
5.4.200.0030.04012.34
5.4.190.0060.03612.34
5.4.180.0050.03712.34
5.4.170.0050.04012.35
5.4.160.0070.03612.35
5.4.150.0090.03312.34
5.4.140.0060.03812.02
5.4.130.0060.03912.02
5.4.120.0070.03811.97
5.4.110.0070.03711.97
5.4.100.0030.04111.97
5.4.90.0080.04011.96
5.4.80.0040.04211.96
5.4.70.0070.04211.96
5.4.60.0050.03611.96
5.4.50.0050.04011.96
5.4.40.0070.03611.95
5.4.30.0050.04011.95
5.4.20.0060.03411.94
5.4.10.0070.03311.95
5.4.00.0100.03611.44
5.3.290.0080.03912.80
5.3.280.0080.03712.71
5.3.270.0130.03412.73
5.3.260.0080.04412.72
5.3.250.0060.04412.71
5.3.240.0050.04312.72
5.3.230.0080.04512.71
5.3.220.0080.03812.68
5.3.210.0040.04412.68
5.3.200.0050.04112.68
5.3.190.0070.04812.67
5.3.180.0070.04312.67
5.3.170.0090.04212.67
5.3.160.0050.04112.67
5.3.150.0060.04112.68
5.3.140.0070.03912.66
5.3.130.0090.03712.66
5.3.120.0090.04512.66
5.3.110.0060.04112.66
5.3.100.0120.03712.12
5.3.90.0100.03912.08
5.3.80.0050.04112.08
5.3.70.0080.04012.08
5.3.60.0070.04612.07
5.3.50.0060.03712.00
5.3.40.0050.04012.00
5.3.30.0040.03611.95
5.3.20.0090.03311.73
5.3.10.0040.04111.70
5.3.00.0040.04011.69
5.2.170.0040.0319.18
5.2.160.0060.0289.18
5.2.150.0020.0389.18
5.2.140.0060.0329.18
5.2.130.0060.0339.14
5.2.120.0040.0379.14
5.2.110.0040.0309.15
5.2.100.0070.0279.14
5.2.90.0080.0279.14
5.2.80.0040.0349.14
5.2.70.0070.0299.14
5.2.60.0060.0349.10
5.2.50.0030.0319.07
5.2.40.0040.0309.04
5.2.30.0060.0289.02
5.2.20.0040.0299.00
5.2.10.0100.0248.93
5.2.00.0040.0318.78
5.1.60.0050.0248.07
5.1.50.0030.0268.06
5.1.40.0040.0258.05
5.1.30.0040.0268.40
5.1.20.0030.0278.42
5.1.10.0050.0268.15
5.1.00.0030.0328.14
5.0.50.0020.0256.62
5.0.40.0020.0256.48
5.0.30.0060.0296.29
5.0.20.0050.0236.27
5.0.10.0060.0216.24
5.0.00.0010.0386.24
4.4.90.0010.0184.78
4.4.80.0050.0154.75
4.4.70.0050.0134.76
4.4.60.0030.0154.76
4.4.50.0010.0164.77
4.4.40.0030.0304.71
4.4.30.0040.0174.76
4.4.20.0020.0174.84
4.4.10.0030.0164.84
4.4.00.0060.0264.76
4.3.110.0100.0154.67
4.3.100.0030.0144.66
4.3.90.0020.0154.63
4.3.80.0040.0234.58
4.3.70.0030.0164.63
4.3.60.0030.0164.62
4.3.50.0010.0174.63
4.3.40.0020.0254.54
4.3.30.0000.0193.29
4.3.20.0010.0173.26
4.3.10.0030.0163.22
4.3.00.0170.02315.29

preferences:
48.27 ms | 401 KiB | 5 Q