3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = array('a' => array(1, 2, '3'), 'b' => array('test2')); unset($i['a']); var_dump($i);

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)
8.3.60.0000.01818.43
8.3.50.0150.00521.97
8.3.40.0110.00418.51
8.3.30.0100.00318.81
8.3.20.0000.00820.16
8.3.10.0040.00422.04
8.3.00.0080.00022.47
8.2.180.0180.00316.75
8.2.170.0110.00422.96
8.2.160.0070.00720.94
8.2.150.0000.00924.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0030.00517.63
8.2.110.0090.00920.58
8.2.100.0030.00917.91
8.2.90.0050.00319.22
8.2.80.0030.00617.97
8.2.70.0040.00417.62
8.2.60.0040.00417.80
8.2.50.0000.00918.07
8.2.40.0040.00418.34
8.2.30.0000.00717.93
8.2.20.0040.00417.52
8.2.10.0000.00717.59
8.2.00.0090.00017.48
8.1.280.0100.00325.92
8.1.270.0170.00023.97
8.1.260.0060.00326.35
8.1.250.0050.00328.09
8.1.240.0070.00320.97
8.1.230.0090.00317.45
8.1.220.0030.00617.74
8.1.210.0040.00418.77
8.1.200.0030.00617.22
8.1.190.0060.00317.53
8.1.180.0060.00318.10
8.1.170.0060.00318.46
8.1.160.0000.00721.85
8.1.150.0050.00218.56
8.1.140.0040.00417.39
8.1.130.0000.00717.81
8.1.120.0000.00717.44
8.1.110.0030.00517.42
8.1.100.0030.00317.29
8.1.90.0030.00317.30
8.1.80.0070.00017.27
8.1.70.0040.00417.35
8.1.60.0060.00317.52
8.1.50.0080.00017.43
8.1.40.0040.00417.46
8.1.30.0030.00617.55
8.1.20.0040.00417.60
8.1.10.0040.00417.32
8.1.00.0000.00917.39
8.0.300.0080.00018.77
8.0.290.0020.00516.58
8.0.280.0030.00518.37
8.0.270.0030.00317.17
8.0.260.0070.00016.59
8.0.250.0030.00316.95
8.0.240.0000.00716.86
8.0.230.0050.00316.90
8.0.220.0030.00316.70
8.0.210.0030.00316.80
8.0.200.0030.00316.86
8.0.190.0000.00816.86
8.0.180.0080.00416.79
8.0.170.0000.00816.91
8.0.160.0000.00716.70
8.0.150.0070.00016.74
8.0.140.0030.00416.67
8.0.130.0000.00813.20
8.0.120.0040.00416.77
8.0.110.0030.00516.73
8.0.100.0040.00416.82
8.0.90.0000.00816.81
8.0.80.0060.01016.79
8.0.70.0040.00416.69
8.0.60.0000.00716.70
8.0.50.0000.00716.77
8.0.30.0130.00816.94
8.0.20.0150.00917.40
8.0.10.0000.00716.89
8.0.00.0070.01016.61
7.4.330.0050.00015.07
7.4.320.0070.00016.59
7.4.300.0060.00016.50
7.4.290.0000.00716.48
7.4.280.0030.00316.38
7.4.270.0030.00316.42
7.4.260.0070.00016.37
7.4.250.0030.00316.40
7.4.240.0040.00416.35
7.4.230.0000.00716.59
7.4.220.0160.01016.61
7.4.210.0100.00816.49
7.4.200.0030.00316.57
7.4.190.0030.00316.45
7.4.160.0040.01216.59
7.4.150.0060.01617.40
7.4.140.0090.00917.86
7.4.130.0080.01016.52
7.4.120.0090.00816.53
7.4.110.0120.00916.34
7.4.100.0070.01016.28
7.4.90.0040.01416.22
7.4.80.0070.01019.39
7.4.70.0150.00016.43
7.4.60.0070.01016.57
7.4.50.0030.00616.13
7.4.40.0100.00622.77
7.4.30.0170.00016.40
7.4.00.0070.01014.75
7.3.330.0000.00613.12
7.3.320.0050.00013.13
7.3.310.0070.00016.27
7.3.300.0080.00016.00
7.3.290.0130.00716.14
7.3.280.0050.01216.26
7.3.270.0110.00817.40
7.3.260.0130.00416.15
7.3.250.0120.01016.28
7.3.240.0240.00316.43
7.3.230.0080.01616.39
7.3.210.0060.01216.14
7.3.200.0150.00619.39
7.3.190.0060.01416.31
7.3.180.0000.01516.23
7.3.170.0030.01816.27
7.3.160.0180.00616.23
7.3.120.0070.00714.61
7.2.330.0130.01016.61
7.2.320.0130.00616.18
7.2.310.0100.01016.54
7.2.300.0030.01416.41
7.2.290.0060.00916.48
7.2.00.0030.01019.27
7.1.100.0110.00018.17
7.1.70.0270.00317.02
7.1.60.0000.02419.82
7.1.50.0110.01117.06
7.1.00.0030.07722.48
7.0.200.0080.00616.79
7.0.140.0030.07322.00
7.0.60.0070.08319.89
7.0.50.0070.07317.73
7.0.40.0100.08720.27
7.0.30.0230.05720.02
7.0.20.0400.06720.18
7.0.10.0300.05320.22
7.0.00.0000.04320.14
5.6.280.0100.06320.89
5.6.210.0030.04020.56
5.6.200.0000.04718.17
5.6.190.0100.05020.56
5.6.180.0000.04720.43
5.6.170.0400.06320.52
5.6.160.0030.04020.50
5.6.150.0100.06718.13
5.6.140.0130.06318.11
5.6.130.0030.04018.17
5.6.120.0130.07720.98
5.6.110.0100.08020.97
5.6.100.0100.03320.98
5.6.90.0030.08320.92
5.6.80.0130.07020.41
5.6.70.0070.05320.52
5.5.350.0000.06020.36
5.5.340.0070.04018.01
5.5.330.0170.06320.23
5.5.320.0100.07320.29
5.5.310.0300.07020.30
5.5.300.0100.05018.01
5.5.290.0100.08018.02
5.5.280.0030.09020.73
5.5.270.0070.08020.89
5.5.260.0130.07020.79
5.5.250.0030.09320.46
5.5.240.0070.05320.27
5.4.450.0800.05719.21
5.4.440.0700.06019.32
5.4.430.0130.05319.48
5.4.420.0130.05319.34
5.4.410.0170.04719.02
5.4.400.0230.04318.78
5.4.390.0100.05018.50
5.4.380.0000.06318.54
5.4.370.0170.05318.73
5.4.360.0130.05718.50
5.4.350.0230.04718.50
5.4.340.0230.04718.52
5.4.320.0050.03712.45
5.4.310.0030.04112.45
5.4.300.0060.04512.45
5.4.290.0050.04112.45
5.4.280.0080.05312.32
5.4.270.0060.05412.32
5.4.260.0150.05512.32
5.4.250.0170.08112.32
5.4.240.0230.15012.32
5.4.230.0120.08312.31
5.4.220.0200.09112.31
5.4.210.0130.07912.31
5.4.200.0100.04912.31
5.4.190.0050.03812.30
5.4.180.0060.04712.30
5.4.170.0110.05912.32
5.4.160.0110.09112.32
5.4.150.0100.05912.31
5.4.140.0110.04111.99
5.4.130.0160.09611.98
5.4.120.0070.05211.94
5.4.110.0100.06011.94
5.4.100.0120.05011.94
5.4.90.0090.05911.94
5.4.80.0100.05011.94
5.4.70.0070.05011.93
5.4.60.0090.04111.93
5.4.50.0070.04111.93
5.4.40.0070.03911.92
5.4.30.0100.03811.92
5.4.20.0070.03911.92
5.4.10.0080.04611.92
5.4.00.0100.04911.41
5.3.290.0050.05012.80
5.3.280.0110.05012.71
5.3.270.0090.05512.73
5.3.260.0140.05412.72
5.3.250.0070.05512.72
5.3.240.0110.05012.71
5.3.230.0100.04812.70
5.3.220.0110.05112.68
5.3.210.0060.05112.68
5.3.200.0090.04612.68
5.3.190.0110.04712.68
5.3.180.0070.05112.68
5.3.170.0110.04612.67
5.3.160.0070.04812.67
5.3.150.0090.04912.67
5.3.140.0130.06812.66
5.3.130.0050.05312.66
5.3.120.0090.04912.66
5.3.110.0050.04312.66
5.3.100.0140.06012.12
5.3.90.0300.10412.09
5.3.80.0210.08212.07
5.3.70.0210.10412.08
5.3.60.0080.04312.07
5.3.50.0130.07612.00
5.3.40.0100.04512.00
5.3.30.0150.08311.94
5.3.20.0150.04911.70
5.3.10.0120.05311.67
5.3.00.0120.07311.65
5.2.170.0070.0709.15
5.2.160.0050.0579.15
5.2.150.0090.0469.15
5.2.140.0070.0509.14
5.2.130.0130.0459.11
5.2.120.0120.0389.11
5.2.110.0080.0429.12
5.2.100.0100.0669.12
5.2.90.0100.0779.11
5.2.80.0100.0689.11
5.2.70.0120.0669.11
5.2.60.0070.0549.06
5.2.50.0100.0409.03
5.2.40.0150.0549.01
5.2.30.0090.0618.99
5.2.20.0100.0488.96
5.2.10.0100.0378.90
5.2.00.0120.0688.76
5.1.60.0060.0318.04
5.1.50.0060.0328.05
5.1.40.0030.0278.03
5.1.30.0060.0278.37
5.1.20.0070.0268.40
5.1.10.0050.0278.13
5.1.00.0050.0278.12
5.0.50.0050.0246.59
5.0.40.0030.0226.46
5.0.30.0050.0316.27
5.0.20.0050.0196.24
5.0.10.0020.0226.22
5.0.00.0040.0326.21
4.4.90.0020.0174.78
4.4.80.0040.0154.75
4.4.70.0030.0174.75
4.4.60.0030.0174.76
4.4.50.0030.0164.77
4.4.40.0040.0264.71
4.4.30.0030.0174.76
4.4.20.0050.0164.84
4.4.10.0070.0194.85
4.4.00.0030.0284.75
4.3.110.0040.0184.67
4.3.100.0070.0194.67
4.3.90.0040.0204.63
4.3.80.0070.0344.58
4.3.70.0050.0204.63
4.3.60.0030.0274.63
4.3.50.0050.0234.63
4.3.40.0050.0304.54
4.3.30.0040.0153.27
4.3.20.0030.0173.25
4.3.10.0030.0173.22
4.3.00.0100.0236.76

preferences:
45.98 ms | 400 KiB | 5 Q