3v4l.org

run code in 300+ PHP versions simultaneously
<?php $test = empty(NULL); var_dump($test);

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)
8.3.40.0140.00018.59
8.3.30.0070.00719.02
8.3.20.0040.00420.07
8.3.10.0090.00018.40
8.3.00.0080.00019.25
8.2.170.0070.00722.96
8.2.160.0070.00720.43
8.2.150.0000.00824.18
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0040.00421.02
8.2.110.0060.00320.46
8.2.100.0060.00618.09
8.2.90.0040.00419.05
8.2.80.0030.00517.97
8.2.70.0040.00417.38
8.2.60.0060.00317.80
8.2.50.0090.00018.07
8.2.40.0050.00218.03
8.2.30.0000.00819.43
8.2.20.0040.00417.71
8.2.10.0040.00417.89
8.2.00.0030.00717.48
8.1.270.0080.00023.83
8.1.260.0030.00326.35
8.1.250.0000.00828.09
8.1.240.0060.00323.96
8.1.230.0070.00419.00
8.1.220.0000.00917.74
8.1.210.0000.00818.77
8.1.200.0060.00617.22
8.1.190.0030.00617.10
8.1.180.0060.00318.10
8.1.170.0000.00718.46
8.1.160.0040.00421.93
8.1.150.0000.00718.73
8.1.140.0000.00817.29
8.1.130.0030.00517.91
8.1.120.0000.00817.28
8.1.110.0000.00817.33
8.1.100.0000.00717.27
8.1.90.0000.00717.39
8.1.80.0000.00717.41
8.1.70.0070.00017.27
8.1.60.0040.00817.36
8.1.50.0030.00617.44
8.1.40.0030.00517.38
8.1.30.0080.00017.55
8.1.20.0050.00317.51
8.1.10.0040.00417.40
8.1.00.0000.00717.23
8.0.300.0080.00018.77
8.0.290.0070.00016.63
8.0.280.0030.00318.36
8.0.270.0000.00717.13
8.0.260.0030.00317.20
8.0.250.0040.00416.96
8.0.240.0060.00016.85
8.0.230.0030.00316.78
8.0.220.0040.00416.88
8.0.210.0070.00016.80
8.0.200.0000.00616.89
8.0.190.0030.00616.79
8.0.180.0030.00316.81
8.0.170.0050.00216.83
8.0.160.0000.00816.77
8.0.150.0000.00716.65
8.0.140.0070.00016.83
8.0.130.0000.00613.27
8.0.120.0040.00416.80
8.0.110.0040.00416.87
8.0.100.0030.00316.71
8.0.90.0070.00016.67
8.0.80.0030.01216.77
8.0.70.0070.00016.70
8.0.60.0000.00716.76
8.0.50.0000.00716.81
8.0.30.0100.01117.16
8.0.20.0070.01217.40
8.0.10.0000.00817.00
8.0.00.0130.00516.67
7.4.330.0000.00515.02
7.4.320.0060.00016.42
7.4.300.0060.00016.43
7.4.290.0030.00316.53
7.4.280.0070.00016.52
7.4.270.0030.00516.33
7.4.260.0000.00716.43
7.4.250.0000.00716.39
7.4.240.0030.00416.45
7.4.230.0070.00016.61
7.4.220.0060.01116.48
7.4.210.0150.00016.53
7.4.200.0000.00716.52
7.4.160.0140.00016.51
7.4.150.0120.00617.40
7.4.140.0150.00217.86
7.4.130.0080.01016.27
7.4.120.0090.00916.51
7.4.110.0100.00716.43
7.4.100.0130.01316.34
7.4.90.0140.00316.40
7.4.80.0160.00619.39
7.4.70.0030.01216.46
7.4.60.0070.01416.46
7.4.50.0040.00416.45
7.4.40.0120.00616.43
7.4.30.0100.00716.25
7.4.00.0070.01014.79
7.3.330.0030.00312.96
7.3.320.0070.00012.84
7.3.310.0030.00316.17
7.3.300.0000.00616.11
7.3.290.0040.01116.17
7.3.280.0070.01016.10
7.3.270.0040.01417.40
7.3.260.0160.00416.46
7.3.250.0070.01016.15
7.3.240.0070.01016.17
7.3.230.0060.00916.50
7.3.210.0060.01816.10
7.3.200.0160.00019.39
7.3.190.0100.00716.15
7.3.180.0080.00816.36
7.3.170.0040.01216.32
7.3.160.0120.00416.42
7.2.330.0140.00316.47
7.2.320.0100.00716.26
7.2.310.0030.01316.26
7.2.300.0130.00316.21
7.2.290.0090.00616.41
7.2.60.0090.00616.66
7.2.00.0060.00619.29
7.1.200.0090.00615.75
7.1.100.0000.01017.88
7.1.70.0040.00417.18
7.1.60.0030.02119.61
7.1.50.0060.01816.98
7.1.00.0030.07322.40
7.0.200.0000.00716.61
7.0.140.0000.07022.15
7.0.60.0100.03319.93
7.0.50.0100.07317.87
7.0.40.0000.08720.06
7.0.30.0270.04720.13
7.0.20.0270.07020.09
7.0.10.0130.08020.17
7.0.00.0030.08020.29
5.6.280.0030.07321.02
5.6.210.0200.07020.50
5.6.200.0130.08018.08
5.6.190.0000.07720.61
5.6.180.0430.03720.61
5.6.170.0170.04020.48
5.6.160.0000.06720.32
5.6.150.0100.03318.09
5.6.140.0230.06718.09
5.6.130.0100.07718.21
5.6.120.0130.06721.09
5.6.110.0070.09021.11
5.6.100.0130.07021.13
5.6.90.0000.05321.09
5.6.80.0070.08020.38
5.5.350.0170.07720.48
5.5.340.0100.07318.02
5.5.330.0070.08020.40
5.5.320.0300.06320.29
5.5.310.0270.08320.29
5.5.300.0030.05018.02
5.5.290.0130.05717.99
5.5.280.0030.09020.64
5.5.270.0000.04720.70
5.5.260.0170.07720.88
5.5.250.0030.04320.48
5.5.240.0170.08320.25
5.4.450.0630.03019.33
5.4.440.0970.03019.65
5.4.430.0200.05719.54
5.4.420.0170.05719.63
5.4.410.0130.06019.41
5.4.400.0200.05019.23
5.4.390.0170.05019.19
5.4.380.0370.05018.71
5.4.370.0300.05018.50
5.4.360.0200.05318.63
5.4.350.0230.07718.51
5.4.340.0370.06718.49
5.4.320.0080.05112.50
5.4.310.0040.04112.50
5.4.300.0040.03912.50
5.4.290.0070.05212.50
5.4.280.0050.03612.39
5.4.270.0050.03612.39
5.4.260.0080.03512.39
5.4.250.0040.03912.39
5.4.240.0030.03812.39
5.4.230.0050.03712.38
5.4.220.0050.03612.38
5.4.210.0050.03612.38
5.4.200.0080.03612.38
5.4.190.0070.03612.38
5.4.180.0100.03412.38
5.4.170.0140.03412.39
5.4.160.0110.03112.38
5.4.150.0050.03812.38
5.4.140.0070.03612.07
5.4.130.0040.03812.05
5.4.120.0040.03712.02
5.4.110.0040.03812.02
5.4.100.0040.03812.01
5.4.90.0060.03812.01
5.4.80.0060.03712.01
5.4.70.0110.03012.01
5.4.60.0040.03712.01
5.4.50.0040.03712.00
5.4.40.0070.03412.00
5.4.30.0050.03811.99
5.4.20.0120.03511.99
5.4.10.0120.04211.99
5.4.00.0080.04011.49
5.3.290.0050.04112.80
5.3.280.0070.03712.71
5.3.270.0030.04112.72
5.3.260.0080.03812.72
5.3.250.0070.03612.72
5.3.240.0100.03612.72
5.3.230.0090.03612.71
5.3.220.0060.03712.68
5.3.210.0030.04812.68
5.3.200.0100.03612.68
5.3.190.0100.03912.68
5.3.180.0110.03412.67
5.3.170.0050.03812.67
5.3.160.0070.03512.67
5.3.150.0060.03712.68
5.3.140.0100.03312.66
5.3.130.0080.04012.66
5.3.120.0060.03912.66
5.3.110.0080.03712.66
5.3.100.0070.03712.11
5.3.90.0070.03512.08
5.3.80.0050.03912.07
5.3.70.0070.03412.08
5.3.60.0070.03512.06
5.3.50.0050.03712.00
5.3.40.0080.04012.00
5.3.30.0090.03511.95
5.3.20.0040.03911.72
5.3.10.0050.03511.71
5.3.00.0080.03711.68
5.2.170.0060.0369.18
5.2.160.0100.0299.18
5.2.150.0060.0309.18
5.2.140.0050.0329.18
5.2.130.0050.0289.14
5.2.120.0050.0289.14
5.2.110.0050.0289.15
5.2.100.0070.0309.15
5.2.90.0060.0299.14
5.2.80.0050.0309.14
5.2.70.0030.0319.14
5.2.60.0060.0309.09
5.2.50.0040.0379.06
5.2.40.0020.0359.04
5.2.30.0060.0289.01
5.2.20.0050.0349.00
5.2.10.0060.0288.92
5.2.00.0030.0308.78
5.1.60.0060.0238.06
5.1.50.0020.0278.07
5.1.40.0060.0228.05
5.1.30.0020.0278.39
5.1.20.0040.0288.42
5.1.10.0050.0258.14
5.1.00.0020.0278.14
5.0.50.0030.0206.62
5.0.40.0010.0216.47
5.0.30.0020.0336.29
5.0.20.0020.0206.27
5.0.10.0020.0206.24
5.0.00.0020.0306.23
4.4.90.0030.0164.78
4.4.80.0050.0144.75
4.4.70.0060.0154.75
4.4.60.0040.0174.75
4.4.50.0030.0144.77
4.4.40.0020.0254.71
4.4.30.0020.0154.76
4.4.20.0020.0164.85
4.4.10.0010.0174.85
4.4.00.0040.0234.75
4.3.110.0010.0174.67
4.3.100.0050.0124.67
4.3.90.0010.0164.64
4.3.80.0030.0234.58
4.3.70.0030.0134.63
4.3.60.0010.0224.63
4.3.50.0020.0164.63
4.3.40.0030.0234.54
4.3.30.0020.0153.29
4.3.20.0050.0133.26
4.3.10.0020.0163.22
4.3.00.0070.01714.45

preferences:
41.46 ms | 400 KiB | 5 Q