3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ['1']; unset($arr[2]);

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)
8.3.60.0100.00318.31
8.3.50.0060.01322.01
8.3.40.0000.01518.46
8.3.30.0060.00919.16
8.3.20.0040.00420.18
8.3.10.0070.00021.78
8.3.00.0080.00020.96
8.2.180.0090.01218.13
8.2.170.0110.00422.96
8.2.160.0030.01422.13
8.2.150.0030.00524.18
8.2.140.0070.00024.66
8.2.130.0060.00326.16
8.2.120.0080.00019.79
8.2.110.0070.00320.57
8.2.100.0070.00417.76
8.2.90.0090.00019.35
8.2.80.0030.00617.97
8.2.70.0040.00417.93
8.2.60.0040.00418.16
8.2.50.0000.00718.10
8.2.40.0000.00819.34
8.2.30.0050.00319.22
8.2.20.0070.00017.61
8.2.10.0040.00417.99
8.2.00.0070.00017.56
8.1.280.0070.00725.92
8.1.270.0030.00618.83
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0100.00023.92
8.1.230.0140.00019.10
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0040.00817.22
8.1.190.0000.00917.23
8.1.180.0000.00818.10
8.1.170.0050.00318.58
8.1.160.0040.00418.81
8.1.150.0040.00418.82
8.1.140.0040.00417.40
8.1.130.0040.00417.86
8.1.120.0040.00417.42
8.1.110.0060.00317.31
8.1.100.0000.00717.42
8.1.90.0080.00017.43
8.1.80.0000.00717.39
8.1.70.0050.00217.38
8.1.60.0060.00317.43
8.1.50.0050.00317.47
8.1.40.0000.00717.36
8.1.30.0040.00417.57
8.1.20.0000.00917.52
8.1.10.0070.00017.43
8.1.00.0040.00417.47
8.0.300.0040.00421.56
8.0.290.0000.00816.63
8.0.280.0050.00318.30
8.0.270.0000.00717.10
8.0.260.0080.00017.18
8.0.250.0000.00716.86
8.0.240.0040.00416.84
8.0.230.0000.00716.92
8.0.220.0030.00316.80
8.0.210.0000.00716.73
8.0.200.0000.00816.93
8.0.190.0080.00016.91
8.0.180.0040.00416.80
8.0.170.0000.00716.77
8.0.160.0030.00316.79
8.0.150.0040.00416.80
8.0.140.0070.00016.76
8.0.130.0060.00013.24
8.0.120.0080.00016.82
8.0.110.0000.00716.79
8.0.100.0040.00416.84
8.0.90.0050.00316.78
8.0.80.0090.00916.78
8.0.70.0040.00416.80
8.0.60.0040.00416.79
8.0.50.0040.00416.94
8.0.30.0080.01016.90
8.0.20.0110.00817.40
8.0.10.0070.00016.92
8.0.00.0100.00716.65
7.4.330.0050.00015.03
7.4.320.0030.00316.51
7.4.300.0000.00716.51
7.4.290.0040.00416.59
7.4.280.0040.00416.52
7.4.270.0000.00616.52
7.4.260.0000.00716.57
7.4.250.0000.00716.47
7.4.240.0020.00616.59
7.4.230.0030.00316.58
7.4.220.0100.00716.68
7.4.210.0000.02016.70
7.4.200.0000.00716.68
7.4.160.0120.00316.26
7.4.150.0060.01317.40
7.4.140.0090.00917.86
7.4.130.0110.00916.54
7.4.120.0090.00916.42
7.4.110.0180.00016.48
7.4.100.0080.00816.48
7.4.90.0130.01016.53
7.4.80.0140.00719.39
7.4.70.0060.01416.63
7.4.60.0060.01016.36
7.4.50.0030.00616.41
7.4.40.0160.00616.61
7.4.30.0150.00416.45
7.4.00.0060.01114.93
7.3.330.0030.00313.03
7.3.320.0050.00013.10
7.3.310.0070.00016.05
7.3.300.0030.00316.20
7.3.290.0080.00816.21
7.3.280.0060.00916.20
7.3.270.0140.00317.40
7.3.260.0080.01616.25
7.3.250.0040.01316.21
7.3.240.0160.00016.14
7.3.230.0070.01016.41
7.3.210.0070.01016.16
7.3.200.0150.00919.39
7.3.190.0100.00716.25
7.3.180.0000.01716.52
7.3.170.0190.00316.39
7.3.160.0080.00816.52
7.3.120.0060.00914.68
7.3.110.0110.00714.48
7.3.100.0030.00914.86
7.3.90.0060.00314.91
7.3.80.0000.01214.75
7.3.70.0030.01514.71
7.3.60.0100.00314.80
7.3.50.0000.00914.90
7.3.40.0090.00914.75
7.3.30.0030.00614.77
7.3.20.0000.01416.67
7.3.10.0000.01516.71
7.3.00.0040.01116.26
7.2.330.0090.00916.13
7.2.320.0150.00716.35
7.2.310.0190.00016.50
7.2.300.0080.01216.50
7.2.290.0070.01116.63
7.2.250.0060.01214.84
7.2.240.0030.01515.04
7.2.230.0000.01415.08
7.2.220.0070.01015.03
7.2.210.0090.00614.66
7.2.200.0110.00614.88
7.2.190.0000.01314.84
7.2.180.0100.00314.87
7.2.170.0060.00615.01
7.2.80.0100.00716.61
7.2.60.0280.00916.56
7.2.00.0030.00719.20
7.1.330.0120.00315.72
7.1.320.0080.00315.44
7.1.310.0000.00915.32
7.1.300.0090.00015.25
7.1.290.0090.00615.67
7.1.280.0030.01015.54
7.1.270.0080.00015.70
7.1.260.0060.00615.77
7.1.200.0030.01015.67
7.1.100.0030.00918.11
7.1.70.0070.00016.88
7.1.60.0060.01019.22
7.1.50.0040.01616.86
7.1.00.0030.07722.33
7.0.200.0040.00416.66
7.0.140.0030.06021.99
7.0.60.0030.06719.92
7.0.50.0000.04317.88
7.0.40.0000.04720.03
7.0.30.0200.05720.31
7.0.20.0170.06019.97
7.0.10.0100.08320.02
7.0.00.0000.06020.00
5.6.280.0030.07320.77
5.6.210.0070.04720.52
5.6.200.0070.05718.13
5.6.190.0000.04720.27
5.6.180.0270.05020.53
5.6.170.0270.03020.33
5.6.160.0070.05320.44
5.6.150.0100.08018.09
5.6.140.0070.04718.11
5.6.130.0030.06318.07
5.6.120.0030.08320.98
5.6.110.0130.07721.13
5.6.100.0070.03720.88
5.6.90.0070.08320.97
5.6.80.0030.05720.50
5.5.350.0370.07320.31
5.5.340.0100.07717.93
5.5.330.0100.07720.57
5.5.320.3370.03720.20
5.5.310.0370.07320.13
5.5.300.0070.06717.95
5.5.290.0070.04017.95
5.5.280.0170.04320.89
5.5.270.0030.05720.88
5.5.260.0100.08020.86
5.5.250.0130.07020.58
5.5.240.0070.04020.03
5.4.450.0170.08019.37
5.4.440.0170.05319.21
5.4.430.0270.06719.41
5.4.420.0230.06019.42
5.4.410.0300.03319.26
5.4.400.0230.04318.89
5.4.390.0130.05719.09
5.4.380.0130.04319.10
5.4.370.0130.04019.13
5.4.360.0170.05718.89
5.4.350.0130.04018.90
5.4.340.0230.03319.09
5.4.320.0200.04018.91
5.4.310.0270.03719.13
5.4.300.0200.04719.08
5.4.290.0170.05018.80
5.4.280.0200.03319.09
5.4.270.0200.06018.81
5.4.260.0200.04019.21
5.4.250.0200.06319.12
5.4.240.0200.04719.05
5.4.230.0100.05318.77
5.4.220.0200.07019.03
5.4.210.0130.05018.88
5.4.200.0200.04319.25
5.4.190.0070.05318.92
5.4.180.0200.04319.23
5.4.170.0100.04319.08
5.4.160.0070.04319.20
5.4.150.0200.04719.19
5.4.140.0230.03016.27
5.4.130.0200.07016.28
5.4.120.0200.03316.43
5.4.110.0230.03016.21
5.4.100.0130.04716.21
5.4.90.0200.03316.39
5.4.80.0230.06716.25
5.4.70.0130.04716.22
5.4.60.0300.04316.36
5.4.50.0270.03716.27
5.4.40.0200.03316.43
5.4.30.0170.03716.47
5.4.20.0200.04316.27
5.4.10.0170.04316.24
5.4.00.0230.03015.88
5.3.290.0200.03714.61
5.3.280.0170.04714.54
5.3.270.0200.03314.47
5.3.260.0230.07314.55
5.3.250.0200.04314.52
5.3.240.0270.03314.60
5.3.230.0230.06014.69
5.3.220.0100.04314.41
5.3.210.0030.04014.43
5.3.200.0070.03314.41
5.3.190.0870.04014.61
5.3.180.1600.03314.55
5.3.170.0300.03714.40
5.3.160.0000.05314.44
5.3.150.0530.06014.52
5.3.140.1700.03714.50
5.3.130.1730.03714.39
5.3.120.1800.03314.50
5.3.110.2030.05014.59
5.3.100.1770.03013.98
5.3.90.1700.03713.86
5.3.80.2030.03313.96
5.3.70.1830.03013.92
5.3.60.1900.04714.02
5.3.50.1900.04313.96
5.3.40.1000.05313.72
5.3.30.0030.05313.70
5.3.20.0030.04713.54
5.3.10.1670.03713.61
5.3.00.2500.01713.65
5.2.170.1570.03711.05
5.2.160.1400.03011.08
5.2.150.1400.02711.00
5.2.140.1700.03311.00
5.2.130.1470.02711.15
5.2.120.1770.02310.95
5.2.110.1470.02711.18
5.2.100.1430.02710.95
5.2.90.1470.02310.96
5.2.80.1470.02310.95
5.2.70.0970.02710.93
5.2.60.0000.03011.20
5.2.50.0000.03010.90
5.2.40.0030.02710.83
5.2.30.0870.02311.02
5.2.20.0930.03310.80
5.2.10.0900.03710.83
5.2.00.1200.03310.87
5.1.60.1300.0239.89
5.1.50.1200.0339.99
5.1.40.1130.0279.95
5.1.30.1370.02310.30
5.1.20.0830.03010.25
5.1.10.1370.01710.05
5.1.00.1300.0239.93
5.0.50.0800.0308.63
5.0.40.0530.0238.29
5.0.30.0530.0338.10
5.0.20.0570.0208.12
5.0.10.0470.0178.14
5.0.00.0700.0378.10
4.4.90.0300.0138.10
4.4.80.0030.0138.10
4.4.70.0000.0238.10
4.4.60.0030.0138.10
4.4.50.0000.0178.10
4.4.40.0070.0278.10
4.4.30.0030.0178.10
4.4.20.0030.0178.10
4.4.10.0130.0178.10
4.4.00.0530.0278.10
4.3.110.0630.0208.10
4.3.100.0530.0178.10
4.3.90.0630.0238.10
4.3.80.0630.0238.10
4.3.70.0670.0178.10
4.3.60.0670.0178.10
4.3.50.0570.0178.10
4.3.40.0770.0278.10
4.3.30.0370.0178.10
4.3.20.0300.0138.10
4.3.10.0300.0208.10
4.3.00.0270.0178.10

preferences:
61.48 ms | 401 KiB | 5 Q