3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array(); empty($a['df']);

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)
8.3.40.0100.00718.76
8.3.30.0070.00719.09
8.3.20.0030.00520.20
8.3.10.0000.00721.91
8.3.00.0030.00522.36
8.2.170.0070.00722.96
8.2.160.0070.00720.68
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0050.00317.50
8.2.110.0040.00422.21
8.2.100.0070.00419.45
8.2.90.0040.00419.14
8.2.80.0040.00417.97
8.2.70.0000.01017.50
8.2.60.0040.00417.93
8.2.50.0030.00618.07
8.2.40.0040.00418.22
8.2.30.0000.00718.01
8.2.20.0030.00617.67
8.2.10.0000.00717.71
8.2.00.0000.00717.61
8.1.270.0090.00022.06
8.1.260.0050.00326.35
8.1.250.0000.00728.09
8.1.240.0030.00623.79
8.1.230.0070.00419.20
8.1.220.0080.00017.74
8.1.210.0080.00018.77
8.1.200.0070.00417.10
8.1.190.0000.00817.39
8.1.180.0030.00518.60
8.1.170.0050.00318.37
8.1.160.0050.00221.94
8.1.150.0050.00318.63
8.1.140.0040.00417.39
8.1.130.0080.00017.78
8.1.120.0030.00317.41
8.1.110.0000.00717.37
8.1.100.0030.00317.28
8.1.90.0070.00017.32
8.1.80.0050.00217.36
8.1.70.0040.00417.28
8.1.60.0030.00517.54
8.1.50.0040.00417.43
8.1.40.0040.00417.30
8.1.30.0000.00817.58
8.1.20.0040.00417.54
8.1.10.0000.00917.61
8.1.00.0040.00417.50
8.0.300.0040.00418.77
8.0.290.0000.00817.05
8.0.280.0030.00318.38
8.0.270.0050.00217.20
8.0.260.0030.00316.68
8.0.250.0070.00016.86
8.0.240.0030.00316.86
8.0.230.0000.00816.90
8.0.220.0030.00316.80
8.0.210.0030.00516.80
8.0.200.0000.00616.88
8.0.190.0070.00016.90
8.0.180.0000.00716.87
8.0.170.0080.00016.75
8.0.160.0070.00016.70
8.0.150.0050.00316.70
8.0.140.0000.00716.78
8.0.130.0050.00013.34
8.0.120.0000.00816.64
8.0.110.0040.00416.87
8.0.100.0000.00816.71
8.0.90.0030.00316.86
8.0.80.0100.00716.80
8.0.70.0060.00316.86
8.0.60.0030.00316.70
8.0.50.0020.00516.60
8.0.30.0090.01216.99
8.0.20.0140.00717.40
8.0.10.0000.00816.72
8.0.00.0110.01116.81
7.4.330.0000.00515.00
7.4.320.0030.00316.40
7.4.300.0060.00016.52
7.4.290.0000.00716.33
7.4.280.0070.00716.57
7.4.270.0000.00716.54
7.4.260.0030.00316.55
7.4.250.0060.00316.39
7.4.240.0020.00616.37
7.4.230.0000.00816.27
7.4.220.0130.00516.55
7.4.210.0100.00816.48
7.4.200.0070.00016.61
7.4.190.0030.00316.62
7.4.160.0120.00616.38
7.4.150.0110.00617.40
7.4.140.0110.00717.86
7.4.130.0130.00516.48
7.4.120.0090.01016.39
7.4.110.0130.00316.40
7.4.100.0130.01016.44
7.4.90.0060.01316.29
7.4.80.0070.01019.39
7.4.70.0040.01316.29
7.4.60.0100.00716.34
7.4.50.0030.00516.46
7.4.40.0070.01122.77
7.4.30.0000.01616.29
7.4.00.0030.01314.95
7.3.330.0000.00513.12
7.3.320.0030.00313.09
7.3.310.0030.00416.13
7.3.300.0070.00016.21
7.3.290.0110.00316.17
7.3.280.0090.01016.18
7.3.270.0130.00317.40
7.3.260.0120.01016.38
7.3.250.0090.00916.26
7.3.240.0100.00716.40
7.3.230.0050.01116.39
7.3.210.0140.00616.17
7.3.200.0100.00719.39
7.3.190.0180.00416.48
7.3.180.0030.01316.34
7.3.170.0060.00916.27
7.3.160.0150.00616.08
7.3.120.0070.01014.63
7.2.330.0070.01116.57
7.2.320.0040.01416.27
7.2.310.0180.00416.51
7.2.300.0080.01116.57
7.2.290.0000.01616.33
7.2.00.0000.01219.21
7.1.100.0000.01118.21
7.1.70.0000.00817.00
7.1.60.0070.01319.82
7.1.50.0070.01316.63
7.1.00.0000.08022.39
7.0.200.0040.00716.41
7.0.140.0070.07022.04
7.0.60.0070.08320.02
7.0.50.0100.07317.87
7.0.40.0070.06720.08
7.0.30.0300.08020.17
7.0.20.0070.05020.04
7.0.10.0100.08020.32
7.0.00.0070.08020.13
5.6.280.0030.07021.12
5.6.210.0030.07020.52
5.6.200.0200.07318.23
5.6.190.0070.07320.77
5.6.180.3500.03720.49
5.6.170.0330.07320.41
5.6.160.0030.04320.49
5.6.150.0030.04018.08
5.6.140.0000.06318.11
5.6.130.0030.05318.15
5.6.120.0000.04721.00
5.6.110.0030.05721.11
5.6.100.0170.06721.00
5.6.90.0030.09021.12
5.6.80.0030.08020.37
5.6.70.0330.05720.40
5.5.350.0230.05020.41
5.5.340.0030.03717.95
5.5.330.0130.04320.47
5.5.320.0370.08320.13
5.5.310.0230.06020.26
5.5.300.0100.08017.91
5.5.290.0070.07718.07
5.5.280.0030.04020.76
5.5.270.0000.05720.84
5.5.260.0170.07320.75
5.5.250.0100.07320.61
5.5.240.0400.06320.15
5.4.450.1130.06719.64
5.4.440.0930.05719.62
5.4.430.0700.06019.62
5.4.420.0730.05719.44
5.4.410.0900.07019.50
5.4.400.0700.06019.15
5.4.390.0970.05318.91
5.4.380.0200.05718.46
5.4.370.0100.04018.59
5.4.360.0100.03718.67
5.4.350.0070.04011.97
5.4.340.0050.04411.96
5.4.320.0080.03812.45
5.4.310.0030.04112.45
5.4.300.0050.04312.45
5.4.290.0040.03912.45
5.4.280.0050.04212.34
5.4.270.0090.04312.31
5.4.260.0100.04512.31
5.4.250.0090.03612.32
5.4.240.0060.04012.32
5.4.230.0080.03912.31
5.4.220.0030.04112.30
5.4.210.0040.03712.30
5.4.200.0050.03812.30
5.4.190.0050.03712.30
5.4.180.0050.03712.30
5.4.170.0080.03412.31
5.4.160.0060.03512.30
5.4.150.0080.03412.30
5.4.140.0070.03611.98
5.4.130.0060.03611.97
5.4.120.0090.03311.93
5.4.110.0040.04011.93
5.4.100.0110.03211.93
5.4.90.0060.03711.93
5.4.80.0090.03611.93
5.4.70.0060.03811.92
5.4.60.0130.04511.93
5.4.50.0100.04811.92
5.4.40.0070.03411.91
5.4.30.0070.04211.91
5.4.20.0070.03511.91
5.4.10.0050.03611.91
5.4.00.0070.03611.40
5.3.290.0050.03912.80
5.3.280.0050.04212.71
5.3.270.0070.03912.72
5.3.260.0050.05712.72
5.3.250.0020.04112.72
5.3.240.0040.04412.72
5.3.230.0100.05112.70
5.3.220.0120.04912.68
5.3.210.0070.04212.68
5.3.200.0100.05012.68
5.3.190.0050.05012.67
5.3.180.0070.05012.68
5.3.170.0070.05212.67
5.3.160.0070.04712.68
5.3.150.0050.05212.67
5.3.140.0050.03812.66
5.3.130.0070.03812.66
5.3.120.0060.04012.66
5.3.110.0060.04012.65
5.3.100.0080.04312.12
5.3.90.0080.04112.09
5.3.80.0070.04112.08
5.3.70.0070.03912.08
5.3.60.0090.03412.06
5.3.50.0030.04312.00
5.3.40.0060.04512.00
5.3.30.0120.04411.94
5.3.20.0040.03811.69
5.3.10.0050.03811.65
5.3.00.0060.03911.63
5.2.170.0050.0319.14
5.2.160.0040.0349.14
5.2.150.0070.0389.14
5.2.140.0040.0349.13
5.2.130.0050.0389.09
5.2.120.0040.0309.09
5.2.110.0080.0269.10
5.2.100.0050.0309.10
5.2.90.0080.0269.09
5.2.80.0060.0299.09
5.2.70.0030.0339.09
5.2.60.0040.0369.04
5.2.50.0070.0289.02
5.2.40.0040.0348.99
5.2.30.0070.0308.96
5.2.20.0050.0278.95
5.2.10.0060.0298.88
5.2.00.0080.0288.74
5.1.60.0040.0258.02
5.1.50.0040.0258.02
5.1.40.0060.0238.01
5.1.30.0020.0298.35
5.1.20.0040.0278.38
5.1.10.0040.0278.10
5.1.00.0070.0238.10
5.0.50.0040.0206.57
5.0.40.0030.0206.44
5.0.30.0010.0426.25
5.0.20.0040.0226.22
5.0.10.0040.0196.20
5.0.00.0050.0326.19
4.4.90.0030.0154.77
4.4.80.0060.0124.75
4.4.70.0040.0164.76
4.4.60.0020.0164.75
4.4.50.0010.0174.77
4.4.40.0030.0254.70
4.4.30.0040.0144.76
4.4.20.0060.0134.84
4.4.10.0000.0184.85
4.4.00.0040.0244.76
4.3.110.0020.0164.67
4.3.100.0030.0154.67
4.3.90.0080.0144.63
4.3.80.0040.0274.58
4.3.70.0040.0144.63
4.3.60.0030.0194.63
4.3.50.0030.0154.62
4.3.40.0010.0264.54
4.3.30.0020.0163.27
4.3.20.0020.0163.24
4.3.10.0020.0163.21
4.3.00.0130.0206.98

preferences:
57.08 ms | 400 KiB | 5 Q