3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = [10,20,30,40,50,60]; end($a); prev($a); $k = key($a); var_dump($k); unset($a[$k]); var_dump($a);

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)
8.3.60.0090.00616.38
8.3.50.0120.00522.02
8.3.40.0120.00918.71
8.3.30.0110.00318.86
8.3.20.0040.00420.30
8.3.10.0060.00323.53
8.3.00.0070.00018.99
8.2.180.0120.00316.34
8.2.170.0090.00622.96
8.2.160.0140.00720.43
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0070.00026.16
8.2.120.0050.00320.79
8.2.110.0090.00022.26
8.2.100.0060.00617.84
8.2.90.0000.00719.22
8.2.80.0060.00317.97
8.2.70.0030.00717.50
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0030.00621.13
8.2.30.0040.00419.94
8.2.20.0040.00417.68
8.2.10.0000.00717.98
8.2.00.0000.00817.61
8.1.280.0130.00325.92
8.1.270.0090.00623.63
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.16
8.1.230.0070.00418.98
8.1.220.0040.00417.74
8.1.210.0080.00018.77
8.1.200.0130.00516.87
8.1.190.0070.00417.00
8.1.180.0050.00318.10
8.1.170.0030.00518.30
8.1.160.0050.00321.89
8.1.150.0040.00418.50
8.1.140.0000.00717.46
8.1.130.0030.00317.87
8.1.120.0040.00417.43
8.1.110.0050.00317.36
8.1.100.0000.00717.29
8.1.90.0000.00817.29
8.1.80.0070.00017.31
8.1.70.0030.00317.40
8.1.60.0020.00517.41
8.1.50.0040.00417.49
8.1.40.0050.00617.45
8.1.30.0030.00517.59
8.1.20.0030.00517.52
8.1.10.0040.00417.45
8.1.00.0040.00417.51
8.0.300.0040.00418.77
8.0.290.0070.00017.18
8.0.280.0000.00718.45
8.0.270.0000.00717.20
8.0.260.0000.00717.23
8.0.250.0000.00616.94
8.0.240.0030.00316.88
8.0.230.0030.00316.86
8.0.220.0070.00016.84
8.0.210.0000.00716.79
8.0.200.0040.00416.76
8.0.190.0040.00416.78
8.0.180.0070.00016.83
8.0.170.0000.00916.87
8.0.160.0070.00016.90
8.0.150.0050.00316.79
8.0.140.0040.00416.83
8.0.130.0090.00013.35
8.0.120.0050.00316.77
8.0.110.0000.00716.75
8.0.100.0000.00816.85
8.0.90.0080.00016.90
8.0.80.0040.01216.77
8.0.70.0000.00716.95
8.0.60.0040.00416.87
8.0.50.0070.00016.63
8.0.30.0110.00816.81
8.0.20.0110.01017.40
8.0.10.0000.00816.81
8.0.00.0100.01116.73
7.4.330.0040.00315.00
7.4.320.0060.00016.45
7.4.300.0000.00616.59
7.4.290.0000.00716.61
7.4.280.0000.00716.61
7.4.270.0030.00416.38
7.4.260.0030.00316.48
7.4.250.0000.00716.59
7.4.240.0030.00516.49
7.4.230.0000.00716.63
7.4.220.0070.01016.64
7.4.210.0060.00816.59
7.4.200.0000.00816.39
7.4.190.0030.00316.62
7.4.160.0110.00516.49
7.4.150.0140.00517.40
7.4.140.0140.01017.86
7.4.130.0110.00816.45
7.4.120.0110.00716.43
7.4.110.0090.00916.60
7.4.100.0140.01016.34
7.4.90.0070.01016.45
7.4.80.0120.00919.39
7.4.70.0060.00916.37
7.4.60.0140.00316.50
7.4.50.0030.00616.35
7.4.40.0100.00716.36
7.4.30.0060.01116.56
7.4.00.0110.00715.04
7.3.330.0030.00213.14
7.3.320.0050.00013.13
7.3.310.0000.00816.16
7.3.300.0000.00716.23
7.3.290.0120.00916.31
7.3.280.0130.00416.20
7.3.270.0090.00917.40
7.3.260.0060.01516.24
7.3.250.0080.01016.37
7.3.240.0110.01216.23
7.3.230.0100.00716.45
7.3.210.0130.01016.14
7.3.200.0090.01319.39
7.3.190.0120.01116.28
7.3.180.0040.01316.30
7.3.170.0090.00916.45
7.3.160.0030.01316.48
7.3.120.0070.00414.68
7.2.330.0130.00416.40
7.2.320.0150.00616.53
7.2.310.0100.01316.32
7.2.300.0090.00916.57
7.2.290.0120.01216.56
7.2.110.0090.00616.33
7.2.80.0040.01116.37
7.2.00.0090.00619.16
7.1.200.0070.00715.93
7.1.100.0030.01317.95
7.1.70.0080.00017.28
7.1.60.0030.01019.46
7.1.50.0090.01316.86
7.1.00.0070.07022.46
7.0.200.0080.00316.80
7.0.140.0070.07022.12
7.0.60.0100.05019.89
7.0.50.0070.07317.85
7.0.40.0030.05020.01
7.0.30.0230.05720.30
7.0.20.0300.07020.09
7.0.10.0030.04320.16
7.0.00.0100.08020.28
5.6.280.0130.06321.12
5.6.210.0100.08720.56
5.6.200.0200.07318.20
5.6.190.0070.06720.61
5.6.180.0000.04320.61
5.6.170.0230.04320.52
5.6.160.0070.03720.69
5.6.150.0000.08718.08
5.6.140.0030.08318.15
5.6.130.0130.06018.23
5.6.120.0070.03720.99
5.6.110.0070.08720.98
5.6.100.0030.04720.97
5.6.90.0100.07021.07
5.6.80.0230.05020.43
5.5.350.0000.07720.31
5.5.340.0030.05717.88
5.5.330.0030.08720.21
5.5.320.0300.08020.27
5.5.310.0300.05020.12
5.5.300.0130.07717.92
5.5.290.0170.07017.98
5.5.280.0030.05720.79
5.5.270.0030.08020.86
5.5.260.0000.04720.86
5.5.250.0100.07720.61
5.5.240.0070.07320.15
5.4.450.0600.05719.48
5.4.440.0370.06719.58
5.4.430.1300.05019.63
5.4.420.0870.05719.40
5.4.410.0100.05319.06
5.4.400.0930.06018.85
5.4.390.0730.05019.31
5.4.380.0370.05718.43
5.4.370.0330.04718.67
5.4.360.0400.05318.63
5.4.350.0330.05718.70
5.4.340.0500.04318.59
5.4.320.0040.03912.46
5.4.310.0090.05012.45
5.4.300.0100.03512.45
5.4.290.0090.05412.45
5.4.280.0110.03612.34
5.4.270.0110.03612.34
5.4.260.0040.04512.34
5.4.250.0080.03912.34
5.4.240.0040.03912.34
5.4.230.0070.03812.34
5.4.220.0060.04312.34
5.4.210.0070.03412.34
5.4.200.0090.03412.34
5.4.190.0070.03512.34
5.4.180.0110.03812.34
5.4.170.0090.03512.35
5.4.160.0070.03612.34
5.4.150.0050.03612.34
5.4.140.0090.04112.02
5.4.130.0060.03712.01
5.4.120.0090.03511.97
5.4.110.0070.03611.96
5.4.100.0120.02811.96
5.4.90.0110.03511.96
5.4.80.0080.04011.96
5.4.70.0100.03511.96
5.4.60.0080.04611.96
5.4.50.0100.03311.96
5.4.40.0030.03911.95
5.4.30.0060.04311.95
5.4.20.0140.04511.95
5.4.10.0110.05211.95
5.4.00.0130.04511.43
5.3.290.0080.03712.80
5.3.280.0070.04912.71
5.3.270.0080.05112.73
5.3.260.0100.04912.72
5.3.250.0130.04612.72
5.3.240.0070.05412.72
5.3.230.0110.04912.71
5.3.220.0050.05212.68
5.3.210.0080.04812.68
5.3.200.0080.05312.68
5.3.190.0100.04812.68
5.3.180.0080.05012.67
5.3.170.0060.05312.67
5.3.160.0130.04412.68
5.3.150.0050.05312.67
5.3.140.0070.05012.66
5.3.130.0060.05412.66
5.3.120.0090.05412.65
5.3.110.0120.05012.66
5.3.100.0070.05112.12
5.3.90.0120.05212.09
5.3.80.0080.04912.07
5.3.70.0070.04612.08
5.3.60.0120.04912.06
5.3.50.0120.04612.00
5.3.40.0080.05312.00
5.3.30.0100.04711.95
5.3.20.0070.04311.73
5.3.10.0040.04811.70
5.3.00.0130.04311.68
5.2.170.0070.0429.18
5.2.160.0100.0379.18
5.2.150.0110.0399.18
5.2.140.0070.0439.18
5.2.130.0110.0339.14
5.2.120.0120.0359.14
5.2.110.0090.0379.14
5.2.100.0110.0359.14
5.2.90.0040.0429.14
5.2.80.0080.0369.14
5.2.70.0110.0369.14
5.2.60.0060.0399.09
5.2.50.0090.0389.06
5.2.40.0100.0379.03
5.2.30.0060.0419.01
5.2.20.0050.0529.00
5.2.10.0080.0468.93
5.2.00.0120.0408.78
5.1.60.0060.0398.07
5.1.50.0070.0338.06
5.1.40.0040.0378.05
5.1.30.0080.0368.40
5.1.20.0120.0308.42
5.1.10.0060.0278.14
5.1.00.0040.0298.14
5.0.50.0040.0216.62
5.0.40.0060.0216.48
5.0.30.0040.0356.29
5.0.20.0070.0196.27
5.0.10.0070.0196.24
5.0.00.0050.0326.23
4.4.90.0020.0194.78
4.4.80.0040.0164.75
4.4.70.0020.0184.75
4.4.60.0020.0194.75
4.4.50.0050.0164.77
4.4.40.0050.0274.71
4.4.30.0020.0194.76
4.4.20.0010.0214.84
4.4.10.0000.0194.85
4.4.00.0040.0264.75
4.3.110.0060.0144.66
4.3.100.0030.0164.66
4.3.90.0040.0154.63
4.3.80.0050.0254.58
4.3.70.0030.0174.63
4.3.60.0020.0164.63
4.3.50.0040.0174.63
4.3.40.0010.0304.54
4.3.30.0050.0183.29
4.3.20.0020.0183.26
4.3.10.0030.0173.22
4.3.00.0200.0207.35

preferences:
36.07 ms | 401 KiB | 5 Q