3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = range('a', 'z'); $ret = uksort($array, function ($a, $b) use (&$array) { unset($array[$a]); return 0; }); var_dump($ret, $array);

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)
8.3.60.0100.00718.43
8.3.50.0100.00721.87
8.3.40.0070.00718.75
8.3.30.0110.00319.08
8.3.20.0040.00420.34
8.3.10.0080.00023.52
8.3.00.0040.00719.09
8.2.180.0190.00016.50
8.2.170.0090.00922.96
8.2.160.0130.00020.39
8.2.150.0050.00224.18
8.2.140.0040.00424.66
8.2.130.0030.01226.16
8.2.120.0090.00619.48
8.2.110.0030.00722.25
8.2.100.0070.00318.16
8.2.90.0000.00819.18
8.2.80.0050.00317.97
8.2.70.0000.00917.63
8.2.60.0000.00817.68
8.2.50.0060.00318.07
8.2.40.0000.00820.07
8.2.30.0000.00718.19
8.2.20.0030.00617.65
8.2.10.0040.00418.04
8.2.00.0050.00319.59
8.1.280.0120.00625.92
8.1.270.0050.00323.79
8.1.260.0050.00326.35
8.1.250.0050.00228.09
8.1.240.0030.00623.70
8.1.230.0070.00418.88
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0080.00317.35
8.1.190.0040.00417.25
8.1.180.0030.00518.10
8.1.170.0090.00018.59
8.1.160.0040.00421.96
8.1.150.0040.00418.69
8.1.140.0000.00817.36
8.1.130.0040.00417.82
8.1.120.0070.00017.47
8.1.110.0000.00717.49
8.1.100.0040.00417.49
8.1.90.0030.00317.43
8.1.80.0000.00717.46
8.1.70.0000.00717.34
8.1.60.0050.00317.50
8.1.50.0040.00417.59
8.1.40.0040.00417.57
8.1.30.0040.00417.64
8.1.20.0080.00017.70
8.1.10.0080.00017.53
8.1.00.0060.00617.45
8.0.300.0000.00718.77
8.0.290.0000.00716.88
8.0.280.0030.00318.35
8.0.270.0000.00717.18
8.0.260.0030.00317.26
8.0.250.0050.00316.93
8.0.240.0040.00417.04
8.0.230.0030.00316.93
8.0.220.0030.00316.85
8.0.210.0000.00716.97
8.0.200.0000.00717.01
8.0.190.0060.00316.89
8.0.180.0030.00616.92
8.0.170.0030.00616.93
8.0.160.0030.00316.84
8.0.150.0000.00716.90
8.0.140.0070.00016.84
8.0.130.0030.00313.31
8.0.120.0000.00716.87
8.0.110.0080.00016.89
8.0.100.0020.00516.92
8.0.90.0000.00716.78
8.0.80.0040.01216.85
8.0.70.0040.00416.94
8.0.60.0070.00016.91
8.0.50.0040.00416.83
8.0.30.0070.01317.03
8.0.20.0100.00917.40
8.0.10.0050.00317.05
8.0.00.0090.00916.85
7.4.330.0030.00315.00
7.4.320.0040.00416.53
7.4.300.0000.00616.41
7.4.290.0030.00316.41
7.4.280.0050.00216.45
7.4.270.0030.00316.56
7.4.260.0050.00316.46
7.4.250.0040.00416.42
7.4.240.0000.00716.59
7.4.230.0050.00216.62
7.4.220.0100.01316.46
7.4.210.0030.01616.39
7.4.200.0040.00416.64
7.4.160.0060.01116.55
7.4.150.0130.00617.40
7.4.140.0130.00917.86
7.4.130.0130.00716.51
7.4.120.0090.00816.53
7.4.110.0110.01416.80
7.4.100.0110.00816.54
7.4.90.0100.00816.44
7.4.80.0110.01419.39
7.4.70.0150.00416.50
7.4.60.0110.00616.45
7.4.50.0030.00316.60
7.4.40.0030.01516.56
7.4.30.0100.00616.54
7.4.00.0070.01214.98
7.3.330.0000.00513.12
7.3.320.0030.00313.14
7.3.310.0000.00716.27
7.3.300.0070.00016.32
7.3.290.0060.01316.31
7.3.280.0090.00716.31
7.3.270.0110.00717.40
7.3.260.0160.00516.52
7.3.250.0060.01216.30
7.3.240.0060.01716.53
7.3.230.0110.00616.39
7.3.210.0060.01216.59
7.3.200.0130.00619.39
7.3.190.0030.01416.31
7.3.180.0080.01116.38
7.3.170.0080.00916.31
7.3.160.0120.00816.52
7.3.120.0050.01214.73
7.3.110.0090.01014.55
7.3.100.0000.01314.38
7.3.90.0060.00714.97
7.3.80.0030.01014.88
7.3.70.0000.00914.77
7.3.60.0090.00614.70
7.3.50.0070.01014.88
7.3.40.0080.00814.80
7.3.30.0110.00314.64
7.3.20.0100.00716.56
7.3.10.0050.01016.61
7.3.00.0050.00616.71
7.2.330.0160.00316.64
7.2.320.0100.01016.49
7.2.310.0180.00416.49
7.2.300.0100.00616.59
7.2.290.0120.01216.52
7.2.250.0030.01415.04
7.2.240.0090.00915.13
7.2.230.0060.01214.87
7.2.220.0030.01015.11
7.2.210.0110.00415.25
7.2.200.0060.00614.97
7.2.190.0100.00615.05
7.2.180.0030.01014.98
7.2.170.0030.01014.93
7.2.130.0060.00616.91
7.2.120.0040.00816.98
7.2.110.0000.01416.61
7.2.100.0060.00316.86
7.2.90.0030.00717.02
7.2.80.0060.00916.80
7.2.70.0080.00816.80
7.2.60.0040.00916.80
7.2.50.0080.00416.65
7.2.40.0030.00617.00
7.2.30.0030.00916.95
7.2.20.0030.01016.91
7.2.10.0100.00016.75
7.2.00.0040.00918.17
7.1.330.0070.00715.53
7.1.320.0030.00715.79
7.1.310.0080.00815.84
7.1.300.0030.01415.77
7.1.290.0030.01015.94
7.1.280.0090.00315.97
7.1.270.0070.01015.84
7.1.260.0110.00315.63
7.1.250.0040.00715.83
7.1.200.0030.00715.65
7.1.100.0060.00618.07
7.1.70.0000.00817.01
7.1.60.0160.00919.70
7.1.50.0090.01317.10
7.1.00.0100.07022.27
7.0.200.0000.00716.82
7.0.140.0000.08022.11
7.0.60.0070.08019.88
7.0.50.0100.07317.73
7.0.40.0070.06020.13
7.0.30.0200.08320.30
7.0.20.0230.05020.20
7.0.10.0100.08720.24
7.0.00.0130.07720.06
5.6.280.0030.07321.07
5.6.210.0070.08320.47
5.6.200.0100.03318.18
5.6.190.0130.06720.33
5.6.180.3500.04320.50
5.6.170.0100.04720.48
5.6.160.0070.08320.57
5.6.150.0200.06718.19
5.6.140.0100.04318.24
5.6.130.0030.04718.28
5.6.120.0030.06321.02
5.6.110.0100.07720.98
5.6.100.0100.07021.04
5.6.90.0070.06321.00
5.6.80.0030.08020.51
5.6.70.4470.04020.37
5.5.350.0030.08320.45
5.5.340.0070.08317.94
5.5.330.0070.04020.40
5.5.320.0300.07320.27
5.5.310.0270.07720.23
5.5.300.0070.07318.06
5.5.290.0030.08318.04
5.5.280.0070.05720.87
5.5.270.0170.07020.79
5.5.260.0100.05720.86
5.5.250.0030.04320.78
5.5.240.0200.04020.00
5.4.450.0300.05337.18
5.4.440.0570.05033.66
5.4.430.0400.04033.62
5.4.420.0530.04033.61
5.4.410.0200.04733.59
5.4.400.0600.04031.27
5.4.390.0530.03731.25
5.4.380.0270.05718.61
5.4.370.0270.06018.55
5.4.360.0170.05718.75
5.4.350.0400.04718.59
5.4.340.0230.04718.44
5.4.320.0090.03412.51
5.4.310.0070.03612.50
5.4.300.0070.03612.50
5.4.290.0080.03612.50
5.4.280.0090.03212.40
5.4.270.0080.03512.39
5.4.260.0090.03812.39
5.4.250.0060.03812.39
5.4.240.0070.03712.39
5.4.230.0070.03812.39
5.4.220.0050.03812.39
5.4.210.0060.04112.39
5.4.200.0070.03612.39
5.4.190.0080.03412.38
5.4.180.0080.03712.38
5.4.170.0090.04212.39
5.4.160.0070.04112.39
5.4.150.0100.03712.39
5.4.140.0060.03712.07
5.4.130.0080.03412.06
5.4.120.0030.03912.02
5.4.110.0100.03912.02
5.4.100.0090.03612.01
5.4.90.0060.03612.01
5.4.80.0060.03612.02
5.4.70.0090.03312.01
5.4.60.0040.03612.00
5.4.50.0020.04112.01
5.4.40.0030.03811.99
5.4.30.0070.03412.00
5.4.20.0050.03712.00
5.4.10.0060.03812.00
5.4.00.0090.03211.49
5.3.290.0090.03612.80
5.3.280.0100.03312.71
5.3.270.0130.03512.72
5.3.260.0070.03712.72
5.3.250.0070.03612.72
5.3.240.0050.03812.71
5.3.230.0060.04012.71
5.3.220.0080.03512.68
5.3.210.0080.03612.68
5.3.200.0080.03812.68
5.3.190.0110.03912.68
5.3.180.0060.03612.67
5.3.170.0080.03512.67
5.3.160.0040.04012.68
5.3.150.0080.03612.68
5.3.140.0060.03912.66
5.3.130.0070.03812.66
5.3.120.0070.03812.66
5.3.110.0100.04212.66
5.3.100.0100.03812.12
5.3.90.0060.03612.10
5.3.80.0080.03912.09
5.3.70.0080.03512.09
5.3.60.0060.03612.08
5.3.50.0080.03512.02
5.3.40.0110.03112.02
5.3.30.0060.03811.98
5.3.20.0100.03411.76
5.3.10.0080.03611.72
5.3.00.0090.03611.71
5.2.170.0060.0299.18
5.2.160.0060.0289.18
5.2.150.0030.0329.18
5.2.140.0050.0339.18
5.2.130.0020.0319.14
5.2.120.0050.0329.14
5.2.110.0030.0389.15
5.2.100.0040.0379.14
5.2.90.0010.0319.14
5.2.80.0060.0289.14
5.2.70.0060.0359.14
5.2.60.0040.0299.10
5.2.50.0090.0339.06
5.2.40.0090.0239.04
5.2.30.0040.0359.02
5.2.20.0050.0299.00
5.2.10.0040.0288.92
5.2.00.0010.0318.78
5.1.60.0050.0228.07
5.1.50.0030.0258.06
5.1.40.0030.0348.05
5.1.30.0060.0298.40
5.1.20.0060.0298.42
5.1.10.0030.0268.14
5.1.00.0060.0298.14
5.0.50.0050.0226.63
5.0.40.0060.0186.48
5.0.30.0030.0306.29
5.0.20.0040.0266.27
5.0.10.0020.0206.24
5.0.00.0060.0316.23
4.4.90.0080.0174.78
4.4.80.0050.0184.76
4.4.70.0050.0134.75
4.4.60.0020.0154.75
4.4.50.0050.0214.77
4.4.40.0030.0304.71
4.4.30.0030.0154.76
4.4.20.0020.0174.84
4.4.10.0030.0154.85
4.4.00.0030.0244.76
4.3.110.0050.0134.67
4.3.100.0030.0144.66
4.3.90.0040.0134.64
4.3.80.0040.0234.58
4.3.70.0060.0114.63
4.3.60.0030.0174.63
4.3.50.0050.0164.63
4.3.40.0000.0334.54
4.3.30.0020.0163.28
4.3.20.0000.0183.26
4.3.10.0040.0223.22
4.3.00.0070.01331.24

preferences:
44.8 ms | 401 KiB | 5 Q