3v4l.org

run code in 300+ PHP versions simultaneously
<?php function destroy_foo() { global $foo; unset($foo); } $foo = 'bar'; destroy_foo(); echo $foo;

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)
8.3.40.0100.00618.54
8.3.30.0070.00718.88
8.3.20.0070.00020.21
8.3.10.0020.00523.70
8.3.00.0040.00419.25
8.2.170.0000.01422.96
8.2.160.0110.00620.27
8.2.150.0080.00024.18
8.2.140.0000.00724.66
8.2.130.0000.00726.16
8.2.120.0000.01118.96
8.2.110.0090.00022.17
8.2.100.0000.01118.00
8.2.90.0040.00419.22
8.2.80.0030.00617.97
8.2.70.0030.00617.63
8.2.60.0030.00617.93
8.2.50.0050.00318.07
8.2.40.0000.00818.16
8.2.30.0000.00818.11
8.2.20.0050.00317.54
8.2.10.0040.00417.92
8.2.00.0040.00417.61
8.1.270.0070.00023.67
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00322.62
8.1.230.0070.00419.48
8.1.220.0040.00417.74
8.1.210.0030.00518.77
8.1.200.0060.00317.23
8.1.190.0030.00617.23
8.1.180.0050.00318.10
8.1.170.0040.00418.35
8.1.160.0060.00321.96
8.1.150.0000.00718.66
8.1.140.0080.00017.37
8.1.130.0030.00317.93
8.1.120.0040.00417.40
8.1.110.0070.00017.34
8.1.100.0030.00417.38
8.1.90.0000.00717.37
8.1.80.0000.00717.44
8.1.70.0060.00017.36
8.1.60.0030.00617.46
8.1.50.0030.00517.42
8.1.40.0040.00417.58
8.1.30.0000.00817.58
8.1.20.0070.00017.57
8.1.10.0050.00317.49
8.1.00.0040.00417.45
8.0.300.0040.00418.77
8.0.290.0030.00616.88
8.0.280.0000.00718.44
8.0.270.0040.00417.29
8.0.260.0030.00317.13
8.0.250.0070.00016.78
8.0.240.0000.00816.84
8.0.230.0070.00016.79
8.0.220.0060.00016.78
8.0.210.0030.00316.86
8.0.200.0040.00416.89
8.0.190.0030.00316.94
8.0.180.0000.00716.78
8.0.170.0030.00616.75
8.0.160.0000.00716.81
8.0.150.0030.00516.58
8.0.140.0000.00716.73
8.0.130.0040.00413.29
8.0.120.0040.00416.77
8.0.110.0030.00516.72
8.0.100.0000.00716.61
8.0.90.0040.00416.70
8.0.80.0100.01016.84
8.0.70.0040.00416.72
8.0.60.0000.00816.68
8.0.50.0070.00016.71
8.0.30.0100.01117.03
8.0.20.0100.01217.40
8.0.10.0050.00316.82
8.0.00.0110.00816.76
7.4.330.0000.00515.09
7.4.320.0060.00016.53
7.4.300.0030.00316.61
7.4.290.0030.00316.60
7.4.280.0030.00316.53
7.4.270.0000.00716.42
7.4.260.0000.00716.45
7.4.250.0000.00716.55
7.4.240.0020.00516.47
7.4.230.0000.00816.61
7.4.220.0140.00416.51
7.4.210.0100.00316.55
7.4.200.0030.00316.70
7.4.160.0130.00316.56
7.4.150.0100.00717.40
7.4.140.0070.01017.86
7.4.130.0090.00716.52
7.4.120.0090.00816.55
7.4.110.0060.01516.72
7.4.100.0180.00016.31
7.4.90.0090.00916.41
7.4.80.0100.01019.39
7.4.70.0130.00316.64
7.4.60.0000.01616.32
7.4.50.0020.00216.49
7.4.40.0130.00616.39
7.4.30.0090.00616.67
7.4.00.0090.00614.92
7.3.330.0060.00013.15
7.3.320.0050.00013.25
7.3.310.0030.00316.14
7.3.300.0070.00016.24
7.3.290.0000.01416.25
7.3.280.0110.00416.27
7.3.270.0060.01017.40
7.3.260.0140.00416.71
7.3.250.0080.00916.44
7.3.240.0100.00716.64
7.3.230.0150.00616.40
7.3.210.0060.01216.30
7.3.200.0060.01016.47
7.3.190.0180.00416.25
7.3.180.0060.00916.64
7.3.170.0040.01116.31
7.3.160.0090.00916.61
7.2.330.0110.00716.36
7.2.320.0030.01316.34
7.2.310.0120.00616.30
7.2.300.0030.01316.34
7.2.290.0100.00716.59
7.2.00.0000.01119.14
7.1.100.0060.00618.10
7.1.70.0000.01317.27
7.1.60.0030.00716.90
7.1.50.0030.00716.93
7.1.40.0040.00816.46
7.1.30.0070.01016.38
7.1.20.0200.01016.07
7.1.10.0000.00816.49
7.1.00.0000.00816.66
7.0.200.0000.01216.75
7.0.190.0030.00916.34
7.0.180.0030.01316.21
7.0.170.0030.01016.32
7.0.160.0000.01116.07
7.0.150.0040.00416.07
7.0.140.0080.00316.12
7.0.130.0040.00716.39
7.0.120.0060.00316.54
7.0.110.0050.00516.44
7.0.100.0060.00316.20
7.0.90.0030.01516.29
7.0.80.0070.00416.29
7.0.70.0030.00716.18
7.0.60.0030.00716.13
7.0.50.0000.01816.35
7.0.40.0060.00616.07
7.0.30.0090.00616.07
7.0.20.0120.00016.07
7.0.10.0080.00416.07
7.0.00.0060.00616.07
5.6.300.0100.03620.68
5.6.290.0060.04220.69
5.6.280.0140.04620.89
5.6.270.0040.04321.08
5.6.260.0060.04221.04
5.6.250.0070.04920.98
5.6.240.0100.05221.07
5.6.230.0100.03920.95
5.6.220.0070.04321.02
5.6.210.0060.03820.62
5.6.200.0060.04220.75
5.6.190.0030.05920.84
5.6.180.0030.05021.04
5.6.170.0070.04421.01
5.6.160.0030.06320.96
5.6.150.0070.04620.98
5.6.140.0100.03620.72
5.6.130.0030.04021.04
5.6.120.0030.05721.01
5.6.110.0030.04420.73
5.6.100.0030.04121.01
5.6.90.0030.04320.79
5.6.80.0030.03820.21
5.6.70.0030.07020.29
5.6.60.0030.06920.36
5.6.50.0200.03120.20
5.6.40.0030.05620.09
5.6.30.0000.04220.28
5.6.20.0100.08020.35
5.6.10.0000.04520.17
5.6.00.0100.03120.28
5.5.380.0030.04017.54
5.5.370.0030.03917.55
5.5.360.0030.03817.43
5.5.350.0070.03917.66
5.5.340.0070.03618.09
5.5.330.0070.03617.71
5.5.320.0070.03717.87
5.5.310.0000.04818.00
5.5.300.0030.04018.00
5.5.290.0100.03518.04
5.5.280.0030.04118.02
5.5.270.0170.03518.03
5.5.260.0090.03717.83
5.5.250.0200.03417.88
5.5.240.0030.04817.51
5.5.230.0040.04917.55
5.5.220.0000.04217.44
5.5.210.0040.03917.09
5.5.200.0030.04017.36
5.5.190.0040.04217.36
5.5.180.0030.04417.35
5.5.160.0030.03817.53
5.5.150.0030.04117.43
5.5.140.0000.07417.48
5.5.130.0000.07017.53
5.5.120.0030.03817.43
5.5.110.0070.03417.35
5.5.100.0170.03317.35
5.5.90.0100.03917.26
5.5.80.0000.04117.31
5.5.70.0000.04017.42
5.5.60.0000.04117.34
5.5.50.0030.03717.27
5.5.40.0030.03717.25
5.5.30.0030.03817.37
5.5.20.0030.04317.39
5.5.10.0000.04117.33
5.5.00.0070.03616.98
5.4.450.0100.07319.28
5.4.440.0030.04019.31
5.4.430.0070.03519.55
5.4.420.0070.03919.30
5.4.410.0030.03819.43
5.4.400.0000.04819.12
5.4.390.0030.03819.07
5.4.380.0000.04418.98
5.4.370.0000.03918.98
5.4.360.0120.03418.98
5.4.350.0030.03819.07
5.4.340.0030.07619.12
5.4.320.0070.03519.14
5.4.310.0060.04219.12
5.4.300.0030.04518.98
5.4.290.0100.04919.09
5.4.280.0070.03619.21
5.4.270.0030.04019.16
5.4.260.0100.03419.15
5.4.250.0030.03719.23
5.4.240.0030.03818.98
5.4.230.0060.04219.03
5.4.220.0000.04619.02
5.4.210.0030.03619.13
5.4.200.0060.04219.09
5.4.190.0000.05119.20
5.4.180.0000.04419.05
5.4.170.0040.03919.16
5.4.160.0000.03919.12
5.4.150.0000.04418.96
5.4.140.0030.05416.55
5.4.130.0000.07916.76
5.4.120.0000.03816.76
5.4.110.0030.07416.75
5.4.100.0060.03416.75
5.4.90.0000.03816.77
5.4.80.0000.04016.71
5.4.70.0030.05516.57
5.4.60.0030.03516.75
5.4.50.0000.03716.46
5.4.40.0030.03916.80
5.4.30.0100.03516.67
5.4.20.0030.04216.71
5.4.10.0030.04516.46
5.4.00.0030.03716.12
5.3.290.0000.04016.07
5.3.280.0100.03216.07
5.3.270.0030.03916.07
5.3.260.0030.07016.07
5.3.250.0030.06716.07
5.3.240.0000.04216.07
5.3.230.0030.03916.07
5.3.220.0030.03616.07
5.3.210.0070.03316.07
5.3.200.0040.03616.07
5.3.190.0070.04616.07
5.3.180.0030.03516.07
5.3.170.0100.07216.07
5.3.160.0030.03616.07
5.3.150.0030.04216.07
5.3.140.0000.05316.07
5.3.130.0070.05016.07
5.3.120.0030.07016.07
5.3.110.0000.05416.07
5.3.100.0030.03816.07
5.3.90.0000.03916.07
5.3.80.0070.03416.07
5.3.70.0070.03116.07
5.3.60.0000.04016.07
5.3.50.0030.03716.07
5.3.40.0040.03916.07
5.3.30.0030.04316.07
5.3.20.0030.04616.07
5.3.10.0030.03516.07
5.3.00.0030.03816.07
5.2.170.0030.03416.07
5.2.160.0000.03116.07
5.2.150.0030.03816.07
5.2.140.0030.02816.07
5.2.130.0070.02316.07
5.2.120.0060.02416.07
5.2.110.0030.03016.07
5.2.100.0000.03316.07
5.2.90.0000.03116.07
5.2.80.0030.03216.07
5.2.70.0000.03416.07
5.2.60.0040.02816.07
5.2.50.0000.04916.07
5.2.40.0030.04716.07
5.2.30.0030.02816.07
5.2.20.0030.03716.07
5.2.10.0070.02316.07
5.2.00.0070.02316.07
5.1.60.0030.04716.07
5.1.50.0000.02616.07
5.1.40.0000.02616.07
5.1.30.0040.02516.07
5.1.20.0130.02516.07
5.1.10.0000.02716.07
5.1.00.0030.02416.07
5.0.50.0000.02916.07
5.0.40.0030.02016.07
5.0.30.0000.03416.07
5.0.20.0000.02516.07
5.0.10.0030.01816.07
5.0.00.0000.03416.07
4.4.90.0000.01716.07
4.4.80.0000.03716.07
4.4.70.0000.01616.07
4.4.60.0030.01316.07
4.4.50.0030.01316.07
4.4.40.0030.04416.07
4.4.30.0000.01716.07
4.4.20.0030.01316.07
4.4.10.0000.02816.07
4.4.00.0030.02316.07
4.3.110.0000.01716.07
4.3.100.0000.01716.07
4.3.90.0000.01716.07
4.3.80.0030.02716.07
4.3.70.0030.01316.07
4.3.60.0000.02116.07
4.3.50.0070.01716.07
4.3.40.0000.03716.07
4.3.30.0000.02816.07
4.3.20.0000.02516.07
4.3.10.0030.01416.07
4.3.00.0030.01416.07

preferences:
41.27 ms | 400 KiB | 5 Q