3v4l.org

run code in 300+ PHP versions simultaneously
<?php $value = null; echo !is_null($value) ? 1 : 0;

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)
8.3.60.0110.00316.63
8.3.50.0130.00722.00
8.3.40.0160.00318.48
8.3.30.0070.01118.70
8.3.20.0000.00720.33
8.3.10.0070.00023.47
8.3.00.0080.00019.38
8.2.180.0090.00617.93
8.2.170.0130.00322.96
8.2.160.0070.00720.38
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0000.00722.13
8.2.110.0040.00422.09
8.2.100.0040.00817.72
8.2.90.0050.00219.08
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0040.00418.04
8.2.50.0080.00018.07
8.2.40.0040.00419.95
8.2.30.0050.00219.72
8.2.20.0040.00417.74
8.2.10.0070.00018.07
8.2.00.0070.00317.56
8.1.280.0100.00725.92
8.1.270.0050.00324.01
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0030.00723.90
8.1.230.0030.00720.90
8.1.220.0000.00717.74
8.1.210.0030.00718.77
8.1.200.0000.00817.36
8.1.190.0050.00317.22
8.1.180.0040.00418.10
8.1.170.0000.00818.39
8.1.160.0000.00721.93
8.1.150.0030.00518.66
8.1.140.0040.00417.45
8.1.130.0050.00317.82
8.1.120.0000.00817.47
8.1.110.0000.00817.48
8.1.100.0030.00717.50
8.1.90.0000.00717.49
8.1.80.0040.00417.45
8.1.70.0000.00717.45
8.1.60.0070.00017.59
8.1.50.0030.00617.47
8.1.40.0040.00417.53
8.1.30.0030.00517.65
8.1.20.0000.00817.47
8.1.10.0000.00717.41
8.1.00.0000.00717.43
8.0.300.0060.00319.03
8.0.290.0000.00717.05
8.0.280.0030.00318.31
8.0.270.0000.00717.23
8.0.260.0070.00017.32
8.0.250.0000.00716.96
8.0.240.0030.00316.89
8.0.230.0070.00016.95
8.0.220.0030.00316.87
8.0.210.0000.00716.88
8.0.200.0000.00716.94
8.0.190.0070.00016.93
8.0.180.0000.00716.82
8.0.170.0000.00716.86
8.0.160.0040.00416.91
8.0.150.0030.00316.93
8.0.140.0040.00416.74
8.0.130.0050.00013.23
8.0.120.0000.00816.87
8.0.110.0000.00716.87
8.0.100.0000.00716.74
8.0.90.0000.00816.91
8.0.80.0110.00416.82
8.0.70.0000.00716.86
8.0.60.0040.00416.69
8.0.50.0040.00416.79
8.0.30.0090.00917.00
8.0.20.0130.00617.40
8.0.10.0070.00016.91
8.0.00.0150.00716.78
7.4.330.0050.00015.07
7.4.320.0000.00716.52
7.4.300.0030.00316.49
7.4.290.0000.00716.39
7.4.280.0030.00416.66
7.4.270.0040.00416.48
7.4.260.0000.00716.48
7.4.250.0050.00316.43
7.4.240.0060.00116.54
7.4.230.0040.00416.48
7.4.220.0140.00316.35
7.4.210.0050.00816.55
7.4.200.0000.00716.56
7.4.190.0000.00716.30
7.4.160.0150.00416.62
7.4.150.0060.01217.40
7.4.140.0060.01217.86
7.4.130.0110.00616.49
7.4.120.0120.00916.38
7.4.110.0130.00916.32
7.4.100.0120.00916.43
7.4.90.0100.01316.36
7.4.80.0100.00719.39
7.4.70.0140.00716.50
7.4.60.0100.00716.55
7.4.50.0040.00016.34
7.4.40.0040.01122.77
7.4.30.0060.00916.57
7.4.00.0030.01014.85
7.3.330.0050.00013.07
7.3.320.0000.00512.98
7.3.310.0000.00716.14
7.3.300.0040.00416.16
7.3.290.0100.00316.14
7.3.280.0080.01116.13
7.3.270.0080.00917.40
7.3.260.0210.00316.46
7.3.250.0150.00516.44
7.3.240.0130.00316.16
7.3.230.0190.00316.39
7.3.210.0070.01316.31
7.3.200.0040.01419.39
7.3.190.0150.00316.19
7.3.180.0030.01316.11
7.3.170.0100.00516.47
7.3.160.0080.00816.37
7.3.120.0100.00714.63
7.2.330.0030.01416.71
7.2.320.0100.00716.70
7.2.310.0110.01116.63
7.2.300.0170.00816.43
7.2.290.0140.00716.50
7.2.60.0190.00016.41
7.2.00.0100.00719.05
7.1.200.0130.00015.63
7.1.100.0000.01117.46
7.1.70.0100.00717.09
7.1.60.0170.00719.46
7.1.50.0060.00916.53
7.1.00.0000.08022.28
7.0.200.0060.00316.73
7.0.140.0030.07322.09
7.0.60.0000.07719.91
7.0.50.0070.08017.89
7.0.40.0100.08320.12
7.0.30.0570.04320.21
7.0.20.0200.03719.99
7.0.10.0100.09020.17
7.0.00.0030.08720.12
5.6.280.0000.07720.88
5.6.210.0000.04320.71
5.6.200.0070.05318.18
5.6.190.0030.06320.61
5.6.180.0300.08020.45
5.6.170.0130.05320.52
5.6.160.0030.04320.41
5.6.150.0000.05318.22
5.6.140.0070.06318.18
5.6.130.0130.07318.07
5.6.120.0070.03721.02
5.6.110.0130.08321.13
5.6.100.0100.05721.12
5.6.90.0070.08321.12
5.6.80.0070.03720.39
5.6.70.0600.03020.42
5.5.350.0100.04020.48
5.5.340.0030.07317.98
5.5.330.0070.04320.23
5.5.320.0270.08020.20
5.5.310.0300.06320.50
5.5.300.0070.07017.96
5.5.290.0100.08718.02
5.5.280.0130.07720.87
5.5.270.0070.08720.95
5.5.260.0130.08320.76
5.5.250.0100.06020.54
5.5.240.0270.09020.06
5.4.450.0770.05719.48
5.4.440.0530.06319.27
5.4.430.0200.07019.59
5.4.420.0730.05319.25
5.4.410.0700.04719.37
5.4.400.0770.05319.00
5.4.390.0930.05319.08
5.4.380.0570.05318.74
5.4.370.0330.05318.71
5.4.360.0300.05718.72
5.4.350.0400.05718.59
5.4.340.0500.04318.49
5.4.320.0060.03612.45
5.4.310.0060.03712.45
5.4.300.0050.04712.45
5.4.290.0080.04212.43
5.4.280.0100.05912.33
5.4.270.0140.05312.33
5.4.260.0160.06812.33
5.4.250.0070.03912.33
5.4.240.0080.03412.33
5.4.230.0050.04012.32
5.4.220.0070.03612.32
5.4.210.0110.03512.32
5.4.200.0110.04612.32
5.4.190.0070.05112.32
5.4.180.0060.04012.32
5.4.170.0060.04212.33
5.4.160.0060.04012.33
5.4.150.0110.04912.32
5.4.140.0060.03812.00
5.4.130.0060.03511.99
5.4.120.0070.03611.96
5.4.110.0080.04211.95
5.4.100.0070.05711.95
5.4.90.0100.05611.95
5.4.80.0090.05111.95
5.4.70.0090.05011.95
5.4.60.0060.05711.94
5.4.50.0070.03611.95
5.4.40.0090.03511.93
5.4.30.0080.04811.93
5.4.20.0080.03311.93
5.4.10.0060.05211.93
5.4.00.0070.05111.42
5.3.290.0080.04612.80
5.3.280.0100.04912.71
5.3.270.0100.05812.72
5.3.260.0070.04112.72
5.3.250.0050.04112.72
5.3.240.0130.04612.72
5.3.230.0100.03712.71
5.3.220.0060.03912.68
5.3.210.0040.04312.68
5.3.200.0060.03912.68
5.3.190.0050.03812.68
5.3.180.0060.03812.68
5.3.170.0050.05512.67
5.3.160.0070.05012.67
5.3.150.0080.04112.67
5.3.140.0090.04212.66
5.3.130.0060.04112.65
5.3.120.0050.04112.66
5.3.110.0060.04412.66
5.3.100.0110.04012.12
5.3.90.0050.04812.09
5.3.80.0040.04012.07
5.3.70.0070.05012.08
5.3.60.0100.06412.06
5.3.50.0080.05512.00
5.3.40.0070.05012.00
5.3.30.0100.04011.94
5.3.20.0040.03911.72
5.3.10.0070.03611.69
5.3.00.0060.03711.68
5.2.170.0050.0429.18
5.2.160.0100.0369.18
5.2.150.0070.0309.18
5.2.140.0010.0339.18
5.2.130.0050.0299.14
5.2.120.0050.0299.14
5.2.110.0060.0289.14
5.2.100.0060.0289.13
5.2.90.0030.0329.13
5.2.80.0060.0329.13
5.2.70.0050.0329.13
5.2.60.0060.0319.09
5.2.50.0110.0269.05
5.2.40.0090.0469.03
5.2.30.0100.0559.00
5.2.20.0080.0428.99
5.2.10.0080.0388.93
5.2.00.0060.0448.79
5.1.60.0060.0358.07
5.1.50.0080.0518.07
5.1.40.0060.0358.05
5.1.30.0050.0398.40
5.1.20.0090.0368.42
5.1.10.0040.0378.15
5.1.00.0060.0378.15
5.0.50.0040.0276.63
5.0.40.0030.0236.48
5.0.30.0050.0356.30
5.0.20.0060.0256.27
5.0.10.0050.0226.25
5.0.00.0040.0316.24
4.4.90.0040.0154.78
4.4.80.0030.0154.76
4.4.70.0030.0164.75
4.4.60.0040.0144.76
4.4.50.0040.0144.77
4.4.40.0030.0264.71
4.4.30.0040.0144.76
4.4.20.0060.0144.84
4.4.10.0000.0194.85
4.4.00.0030.0264.75
4.3.110.0000.0194.67
4.3.100.0020.0174.67
4.3.90.0020.0164.64
4.3.80.0040.0264.58
4.3.70.0050.0204.63
4.3.60.0030.0204.63
4.3.50.0070.0174.63
4.3.40.0020.0414.54
4.3.30.0020.0223.29
4.3.20.0020.0223.27
4.3.10.0020.0173.23
4.3.00.0230.01310.54

preferences:
50.41 ms | 401 KiB | 5 Q