3v4l.org

run code in 300+ PHP versions simultaneously
<?php namespace B { class C { public static function f() { echo '1' . ' - ' . __CLASS__ . "\n"; } } C::f(); } namespace A\B { class C { public static function f() { echo '2' . ' - ' . __CLASS__ . "\n"; } } C::f(); } namespace A { $s = 'C::f'; call_user_func($s); }

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)
8.3.60.0120.00918.39
8.3.50.0100.00822.09
8.3.40.0140.00718.66
8.3.30.0180.00019.05
8.3.20.0070.00020.33
8.3.10.0020.00523.61
8.3.00.0050.00320.85
8.2.180.0000.01516.63
8.2.170.0140.00722.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0080.00020.94
8.2.110.0090.00020.88
8.2.100.0060.00617.97
8.2.90.0030.00619.22
8.2.80.0050.00317.97
8.2.70.0000.00817.63
8.2.60.0030.00517.93
8.2.50.0050.00318.10
8.2.40.0080.00020.07
8.2.30.0050.00218.18
8.2.20.0060.00317.62
8.2.10.0040.00418.10
8.2.00.0000.00817.59
8.1.280.0100.00725.92
8.1.270.0040.00423.76
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0000.00822.14
8.1.230.0080.00417.76
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.36
8.1.190.0050.00316.88
8.1.180.0090.00018.10
8.1.170.0070.00018.43
8.1.160.0000.00821.94
8.1.150.0050.00218.56
8.1.140.0040.00417.34
8.1.130.0030.00317.81
8.1.120.0000.00717.22
8.1.110.0000.00717.41
8.1.100.0070.00017.40
8.1.90.0000.00817.39
8.1.80.0040.00417.33
8.1.70.0000.00717.31
8.1.60.0030.00517.55
8.1.50.0080.00017.41
8.1.40.0040.00417.41
8.1.30.0000.00817.46
8.1.20.0020.00517.68
8.1.10.0040.00417.54
8.1.00.0040.00417.51
8.0.300.0040.00418.77
8.0.290.0060.00316.63
8.0.280.0030.00518.49
8.0.270.0030.00617.29
8.0.260.0030.00317.25
8.0.250.0000.00717.01
8.0.240.0000.00616.93
8.0.230.0050.00316.91
8.0.220.0000.00716.87
8.0.210.0030.00316.95
8.0.200.0030.00316.87
8.0.190.0040.00416.93
8.0.180.0040.00416.80
8.0.170.0000.00716.90
8.0.160.0000.00816.94
8.0.150.0070.00016.82
8.0.140.0000.00716.76
8.0.130.0050.00013.29
8.0.120.0050.00316.94
8.0.110.0000.00816.78
8.0.100.0070.00016.88
8.0.90.0050.00316.69
8.0.80.0040.01116.84
8.0.70.0000.00716.92
8.0.60.0040.00416.87
8.0.50.0070.00016.75
8.0.30.0060.01217.13
8.0.20.0070.01017.40
8.0.10.0040.00417.11
8.0.00.0120.01217.11
7.4.330.0000.00615.00
7.4.320.0000.00616.31
7.4.300.0000.00616.42
7.4.290.0040.00416.48
7.4.280.0060.00616.56
7.4.270.0000.00716.63
7.4.260.0000.00716.56
7.4.250.0050.00316.45
7.4.240.0030.00316.56
7.4.230.0000.00716.41
7.4.220.0110.01416.54
7.4.210.0070.01016.50
7.4.200.0070.00016.64
7.4.190.0080.00016.68
7.4.160.0160.00416.33
7.4.150.0000.01817.40
7.4.140.0110.00617.86
7.4.130.0110.00616.55
7.4.120.0080.01416.57
7.4.110.0190.00316.35
7.4.100.0060.01216.64
7.4.90.0130.00316.64
7.4.80.0150.00419.39
7.4.70.0030.01316.37
7.4.60.0060.01216.34
7.4.50.0040.00016.62
7.4.40.0060.01616.62
7.4.30.0080.00816.56
7.4.00.0060.01014.69
7.3.330.0050.00013.16
7.3.320.0030.00313.27
7.3.310.0000.00716.11
7.3.300.0000.00716.15
7.3.290.0090.00916.29
7.3.280.0080.01016.28
7.3.270.0100.00717.40
7.3.260.0160.00816.37
7.3.250.0160.00616.37
7.3.240.0090.00916.29
7.3.230.0060.01216.40
7.3.210.0160.00016.31
7.3.200.0080.00819.39
7.3.190.0110.01516.46
7.3.180.0090.00616.14
7.3.170.0070.01016.37
7.3.160.0040.01216.40
7.3.120.0070.01114.70
7.2.330.0150.00316.60
7.2.320.0120.00916.73
7.2.310.0170.00016.47
7.2.300.0130.01016.58
7.2.290.0090.00916.68
7.2.00.0070.00319.31
7.1.100.0040.00817.73
7.1.70.0070.00317.18
7.1.60.0100.01419.70
7.1.50.0100.01316.72
7.1.00.0070.07322.34
7.0.200.0000.00716.67
7.0.140.0070.07022.04
7.0.60.0100.06319.79
7.0.50.0030.05017.86
7.0.40.0130.08320.27
7.0.30.0330.06320.08
7.0.20.0200.04320.12
7.0.10.0070.05320.21
7.0.00.0130.03320.05
5.6.280.0070.07021.13
5.6.210.0070.07320.61
5.6.200.0100.08318.12
5.6.190.0030.04320.52
5.6.180.0300.07320.63
5.6.170.0400.07020.71
5.6.160.0000.05020.50
5.6.150.0000.06318.28
5.6.140.0070.06718.15
5.6.130.0070.07718.26
5.6.120.0100.07721.02
5.6.110.0030.09321.01
5.6.100.0100.05021.11
5.6.90.0030.06721.03
5.6.80.0130.08020.48
5.5.350.0030.08020.34
5.5.340.0130.06017.97
5.5.330.0070.04020.31
5.5.320.0270.06020.27
5.5.310.0230.05720.26
5.5.300.0030.04018.01
5.5.290.0030.06718.02
5.5.280.0130.03320.73
5.5.270.0100.04720.77
5.5.260.0130.08020.87
5.5.250.0130.05320.80
5.5.240.3130.03320.29
5.4.450.0170.05019.41
5.4.440.0200.04719.41
5.4.430.0430.04019.41
5.4.420.0100.04719.52
5.4.410.0100.04319.17
5.4.400.0330.03318.88
5.4.390.0200.03019.18
5.4.380.0200.04718.63
5.4.370.0130.05318.56
5.4.360.0270.05318.75
5.4.350.0130.06318.52
5.4.340.0200.05018.63
5.4.320.0050.03712.50
5.4.310.0120.04612.50
5.4.300.0070.04512.50
5.4.290.0060.07712.50
5.4.280.0090.04212.39
5.4.270.0130.04912.39
5.4.260.0060.05712.39
5.4.250.0080.06312.39
5.4.240.0110.05612.39
5.4.230.0140.05612.38
5.4.220.0060.05912.39
5.4.210.0150.05312.39
5.4.200.0050.06012.39
5.4.190.0100.05212.38
5.4.180.0190.04312.38
5.4.170.0160.04512.39
5.4.160.0090.04912.39
5.4.150.0090.05412.39
5.4.140.0170.05112.07
5.4.130.0270.04512.05
5.4.120.0070.05512.02
5.4.110.0050.04112.01
5.4.100.0050.03912.01
5.4.90.0080.04812.02
5.4.80.0130.06012.01
5.4.70.0110.04712.01
5.4.60.0100.04712.01
5.4.50.0090.05212.01
5.4.40.0070.05312.00
5.4.30.0090.05411.99
5.4.20.0100.05212.00
5.4.10.0120.04412.00
5.4.00.0090.04811.48
5.3.290.0080.03812.80
5.3.280.0110.04912.71
5.3.270.0060.05612.73
5.3.260.0080.05212.71
5.3.250.0080.05012.72
5.3.240.0070.05312.72
5.3.230.0090.04712.71
5.3.220.0050.05212.68
5.3.210.0070.04312.68
5.3.200.0040.04212.68
5.3.190.0080.03912.68
5.3.180.0050.04112.67
5.3.170.0090.03712.67
5.3.160.0080.03912.68
5.3.150.0090.03912.68
5.3.140.0040.04412.66
5.3.130.0060.04312.66
5.3.120.0080.04512.66
5.3.110.0060.04312.66
5.3.100.0080.03912.12
5.3.90.0050.04812.11
5.3.80.0100.04812.10
5.3.70.0100.04512.09
5.3.60.0070.04812.08
5.3.50.0130.04412.03
5.3.40.0090.04812.03
5.3.30.0070.05111.98
5.3.20.0080.05311.77
5.3.10.0080.04511.73
5.3.00.0060.06111.72
5.2.170.0130.0369.18
5.2.160.0010.0429.18
5.2.150.0080.0399.18
5.2.140.0110.0369.18
5.2.130.0080.0429.14
5.2.120.0100.0359.14
5.2.110.0060.0349.15
5.2.100.0050.0339.14
5.2.90.0060.0309.14
5.2.80.0050.0329.14
5.2.70.0050.0349.14
5.2.60.0060.0359.09
5.2.50.0050.0359.06
5.2.40.0080.0349.03
5.2.30.0070.0399.01
5.2.20.0030.0409.00
5.2.10.0080.0348.93
5.2.00.0050.0398.78
5.1.60.0080.0308.06
5.1.50.0080.0298.07
5.1.40.0080.0308.05
5.1.30.0050.0368.40
5.1.20.0060.0358.42
5.1.10.0080.0298.14
5.1.00.0080.0328.14
5.0.50.0040.0266.62
5.0.40.0050.0256.48
5.0.30.0030.0416.29
5.0.20.0060.0226.27
5.0.10.0030.0286.24
5.0.00.0030.0386.23
4.4.90.0020.0224.78
4.4.80.0050.0204.76
4.4.70.0040.0204.76
4.4.60.0050.0184.75
4.4.50.0030.0214.77
4.4.40.0040.0314.71
4.4.30.0050.0194.76
4.4.20.0060.0184.84
4.4.10.0040.0214.85
4.4.00.0030.0314.76
4.3.110.0040.0224.67
4.3.100.0030.0214.66
4.3.90.0040.0194.63
4.3.80.0040.0294.58
4.3.70.0050.0184.63
4.3.60.0030.0204.63
4.3.50.0040.0214.63
4.3.40.0040.0304.54
4.3.30.0030.0213.28
4.3.20.0030.0203.26
4.3.10.0030.0193.22
4.3.00.0030.02016.92

preferences:
48.15 ms | 401 KiB | 5 Q