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($value, true), " ) = ", var_export(is_null($value), 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)
8.3.40.0030.01418.83
8.3.30.0030.01019.10
8.3.20.0080.00020.13
8.3.10.0040.00421.82
8.3.00.0060.00319.79
8.2.170.0090.00622.96
8.2.160.0060.00920.09
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00320.46
8.2.110.0060.00319.32
8.2.100.0060.00617.91
8.2.90.0040.00419.53
8.2.80.0000.00818.22
8.2.70.0080.00018.16
8.2.60.0040.00418.03
8.2.50.0050.00318.10
8.2.40.0020.00520.47
8.2.30.0000.00918.41
8.2.20.0040.00417.61
8.2.10.0000.00718.17
8.2.00.0060.00317.73
8.1.270.0000.00722.17
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0100.00022.59
8.1.230.0040.00821.04
8.1.220.0040.00417.74
8.1.210.0050.00318.88
8.1.200.0040.00817.35
8.1.190.0060.00317.13
8.1.180.0040.00418.10
8.1.170.0000.00818.50
8.1.160.0050.00222.05
8.1.150.0040.00418.87
8.1.140.0040.00417.55
8.1.130.0030.00317.86
8.1.120.0040.00417.41
8.1.110.0050.00317.41
8.1.100.0000.00717.34
8.1.90.0100.00017.48
8.1.80.0040.00417.36
8.1.70.0000.00717.45
8.1.60.0030.00517.46
8.1.50.0000.00817.46
8.1.40.0040.00717.42
8.1.30.0050.00317.49
8.1.20.0070.00017.58
8.1.10.0000.00817.43
8.1.00.0080.00017.37
8.0.300.0040.00419.91
8.0.290.0030.00516.63
8.0.280.0070.00018.43
8.0.270.0030.00317.24
8.0.260.0030.00317.25
8.0.250.0000.00716.95
8.0.240.0000.00716.95
8.0.230.0040.00416.82
8.0.220.0000.00716.84
8.0.210.0000.00716.82
8.0.200.0060.00316.93
8.0.190.0030.00516.90
8.0.180.0040.00416.88
8.0.170.0000.00816.79
8.0.160.0040.00417.00
8.0.150.0000.00716.89
8.0.140.0070.00016.82
8.0.130.0050.00013.33
8.0.120.0000.00816.87
8.0.110.0000.00816.79
8.0.100.0000.00716.91
8.0.90.0000.00816.84
8.0.80.0060.00916.88
8.0.70.0000.00816.79
8.0.60.0030.00516.77
8.0.50.0080.00016.88
8.0.30.0160.00617.02
8.0.20.0110.00817.40
8.0.10.0030.00617.02
8.0.00.0070.01016.70
7.4.330.0050.00015.00
7.4.320.0000.00716.54
7.4.300.0030.00316.59
7.4.290.0040.00416.60
7.4.280.0060.00016.57
7.4.270.0050.00316.60
7.4.260.0000.00716.62
7.4.250.0030.00316.45
7.4.240.0030.00416.56
7.4.230.0000.00716.59
7.4.220.0140.00916.54
7.4.210.0140.00016.40
7.4.200.0000.00716.38
7.4.160.0040.01416.72
7.4.150.0120.00617.40
7.4.140.0090.00817.86
7.4.130.0130.00516.32
7.4.120.0040.01616.48
7.4.110.0130.00916.51
7.4.100.0070.01016.38
7.4.90.0040.01316.59
7.4.80.0090.01119.39
7.4.70.0160.00616.40
7.4.60.0130.00416.57
7.4.50.0030.00316.61
7.4.40.0150.00616.46
7.4.30.0080.00816.62
7.4.00.0120.00414.64
7.3.330.0050.00012.96
7.3.320.0000.00512.91
7.3.310.0070.00016.30
7.3.300.0030.00316.21
7.3.290.0070.00716.36
7.3.280.0070.00816.27
7.3.270.0060.01117.40
7.3.260.0090.00916.26
7.3.240.0120.00616.29
7.3.230.0100.00716.39
7.3.210.0100.01316.25
7.3.200.0050.01519.39
7.3.190.0080.00816.58
7.3.180.0110.00416.32
7.3.170.0040.01216.66
7.3.160.0080.00816.25
7.3.120.0070.01014.80
7.2.330.0060.01316.40
7.2.320.0060.01316.37
7.2.310.0200.00316.47
7.2.300.0120.00616.73
7.2.290.0100.01016.44
7.2.00.0000.01419.50
7.1.100.0500.00815.89
7.1.70.0030.00617.29
7.1.60.0030.02019.25
7.1.50.0060.01917.04
7.1.00.0000.08022.34
7.0.200.0000.00816.93
7.0.140.0030.07722.08
7.0.60.0030.08719.79
7.0.50.0070.07017.80
7.0.40.0030.07719.98
7.0.30.0530.07320.09
7.0.20.0330.08020.00
7.0.10.0070.07320.17
7.0.00.0070.03719.99
5.6.280.0070.07021.11
5.6.210.0070.09020.69
5.6.200.0070.08318.21
5.6.190.0100.05720.77
5.6.180.4130.04020.56
5.6.170.0230.04320.48
5.6.160.0130.06020.48
5.6.150.0100.05018.22
5.6.140.0070.07718.12
5.6.130.0000.04318.07
5.6.120.0130.07320.98
5.6.110.0000.05321.09
5.6.100.0170.03020.99
5.6.90.0170.04020.96
5.6.80.0100.07720.38
5.6.70.4000.03320.36
5.5.350.0170.08020.43
5.5.340.0070.05317.95
5.5.330.0000.09320.13
5.5.320.3100.03720.28
5.5.310.0270.05720.23
5.5.300.0000.04317.96
5.5.290.0030.07318.02
5.5.280.0070.04020.87
5.5.270.0130.07020.67
5.5.260.0070.04020.87
5.5.250.0030.07720.65
5.5.240.0270.05720.16
5.4.450.0700.03719.26
5.4.440.0230.04319.43
5.4.430.0230.04319.41
5.4.420.0100.04019.20
5.4.410.0330.05019.08
5.4.400.0430.04719.25
5.4.390.0230.04018.78
5.4.380.1070.05018.50
5.4.370.0900.04718.60
5.4.360.0900.07318.46
5.4.350.1030.05718.51
5.4.340.0900.06318.66
5.4.320.0120.03612.45
5.4.310.0110.03712.45
5.4.300.0040.03912.46
5.4.290.0050.04312.45
5.4.280.0070.04012.35
5.4.270.0080.04612.35
5.4.260.0060.04512.35
5.4.250.0120.04512.35
5.4.240.0060.04812.35
5.4.230.0080.05012.34
5.4.220.0060.04412.34
5.4.210.0060.03812.34
5.4.200.0050.04412.34
5.4.190.0070.04812.34
5.4.180.0050.04012.34
5.4.170.0080.03712.35
5.4.160.0060.04512.34
5.4.150.0060.03812.34
5.4.140.0080.03612.02
5.4.130.0050.03812.01
5.4.120.0020.03911.97
5.4.110.0100.04511.97
5.4.100.0110.03411.97
5.4.90.0040.04011.97
5.4.80.0090.03411.97
5.4.70.0080.03311.96
5.4.60.0060.05011.96
5.4.50.0070.05111.96
5.4.40.0060.04111.96
5.4.30.0170.05611.95
5.4.20.0070.03411.95
5.4.10.0120.02911.95
5.4.00.0100.04311.44
5.3.290.0070.04012.80
5.3.280.0070.03812.71
5.3.270.0040.04212.73
5.3.260.0040.04112.72
5.3.250.0090.03412.71
5.3.240.0060.03712.72
5.3.230.0060.03912.71
5.3.220.0020.04112.68
5.3.210.0090.05912.68
5.3.200.0100.04112.68
5.3.190.0070.04212.68
5.3.180.0050.04312.67
5.3.170.0050.04212.67
5.3.160.0070.05212.67
5.3.150.0070.03612.67
5.3.140.0040.03812.66
5.3.130.0070.04112.65
5.3.120.0060.04612.66
5.3.110.0030.04712.66
5.3.100.0030.04512.12
5.3.90.0060.03612.09
5.3.80.0060.03812.07
5.3.70.0100.03312.08
5.3.60.0050.03712.06
5.3.50.0050.03712.00
5.3.40.0070.03512.00
5.3.30.0040.03611.94
5.3.20.0060.03411.72
5.3.10.0060.03411.70
5.3.00.0040.04211.68
5.2.170.0060.0299.18
5.2.160.0030.0309.18
5.2.150.0050.0319.18
5.2.140.0050.0319.17
5.2.130.0050.0289.14
5.2.120.0050.0289.14
5.2.110.0070.0319.15
5.2.100.0060.0279.14
5.2.90.0050.0329.14
5.2.80.0050.0329.14
5.2.70.0060.0339.14
5.2.60.0030.0379.09
5.2.50.0040.0329.06
5.2.40.0030.0319.04
5.2.30.0050.0359.02
5.2.20.0040.0359.00
5.2.10.0050.0288.93
5.2.00.0070.0278.78
5.1.60.0050.0288.07
5.1.50.0040.0268.06
5.1.40.0030.0268.04
5.1.30.0050.0278.40
5.1.20.0050.0318.41
5.1.10.0040.0268.14
5.1.00.0090.0398.14
5.0.50.0050.0196.62
5.0.40.0040.0196.48
5.0.30.0050.0306.29
5.0.20.0040.0246.27
5.0.10.0030.0216.24
5.0.00.0030.0326.24
4.4.90.0010.0184.78
4.4.80.0040.0224.76
4.4.70.0040.0204.76
4.4.60.0060.0184.76
4.4.50.0040.0144.77
4.4.40.0010.0274.71
4.4.30.0030.0164.76
4.4.20.0050.0134.85
4.4.10.0050.0194.85
4.4.00.0040.0294.76
4.3.110.0040.0174.66
4.3.100.0010.0204.67
4.3.90.0030.0204.63
4.3.80.0030.0244.59
4.3.70.0000.0184.63
4.3.60.0020.0164.63
4.3.50.0050.0134.63
4.3.40.0050.0224.53
4.3.30.0030.0193.29
4.3.20.0020.0173.26
4.3.10.0020.0153.23
4.3.00.0000.01315.29

preferences:
43.22 ms | 400 KiB | 5 Q