3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Signal { private $listeners; function add($callback) { $this->listeners[]=$callback; } function dispatch() { if (empty($this->listeners)) { return; } foreach ($this->listeners as $callback) { call_user_func_array($callback, func_get_args()); } } } function myListener() { print_r(func_get_args()); } $signal = new Signal(); $signal->add('myListener'); $signal->add('myListener'); $signal->add('myListener'); $signal->dispatch('a',456,array(123));

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)
8.3.60.0110.00418.31
8.3.50.0160.00622.05
8.3.40.0040.01118.84
8.3.30.0100.00319.04
8.3.20.0040.00420.16
8.3.10.0030.00521.94
8.3.00.0090.00020.54
8.2.180.0130.00325.92
8.2.170.0100.00722.96
8.2.160.0100.00320.94
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0040.00426.16
8.2.120.0090.00019.36
8.2.110.0040.00420.47
8.2.100.0040.00817.78
8.2.90.0040.00419.40
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0000.00818.05
8.2.50.0090.00018.07
8.2.40.0090.00318.18
8.2.30.0040.00418.05
8.2.20.0000.00817.72
8.2.10.0000.00819.42
8.2.00.0050.00517.68
8.1.280.0080.00825.92
8.1.270.0030.01022.06
8.1.260.0080.00026.35
8.1.250.0050.00328.09
8.1.240.0090.01220.98
8.1.230.0110.00017.52
8.1.220.0030.00617.76
8.1.210.0040.00418.77
8.1.200.0030.00617.48
8.1.190.0000.00817.53
8.1.180.0080.00018.10
8.1.170.0050.00318.52
8.1.160.0000.00721.97
8.1.150.0040.00418.63
8.1.140.0060.00317.51
8.1.130.0040.00417.82
8.1.120.0070.00017.37
8.1.110.0040.00417.49
8.1.100.0000.00717.46
8.1.90.0040.00417.33
8.1.80.0000.00717.37
8.1.70.0030.00317.40
8.1.60.0080.00017.54
8.1.50.0040.00417.54
8.1.40.0060.00317.46
8.1.30.0030.00517.62
8.1.20.0040.00417.55
8.1.10.0000.00717.55
8.1.00.0040.00417.37
8.0.300.0000.00718.77
8.0.290.0040.00416.75
8.0.280.0000.00718.49
8.0.270.0070.00017.36
8.0.260.0050.00216.88
8.0.250.0030.00316.96
8.0.240.0000.00716.82
8.0.230.0000.00716.95
8.0.220.0000.00716.91
8.0.210.0070.00016.92
8.0.200.0000.00616.84
8.0.190.0040.00416.90
8.0.180.0000.00716.89
8.0.170.0040.00416.82
8.0.160.0080.00016.91
8.0.150.0030.00316.80
8.0.140.0030.00516.82
8.0.130.0000.00613.27
8.0.120.0040.00416.88
8.0.110.0040.00416.85
8.0.100.0050.00216.76
8.0.90.0040.00416.77
8.0.80.0130.00316.84
8.0.70.0000.00716.88
8.0.60.0050.00216.71
8.0.50.0000.00716.95
8.0.30.0040.01417.16
8.0.20.0080.01217.40
8.0.10.0000.00716.97
8.0.00.0080.01116.67
7.4.330.0020.00215.00
7.4.320.0000.00716.61
7.4.300.0030.00316.61
7.4.290.0100.00016.45
7.4.280.0040.00416.61
7.4.270.0000.00816.62
7.4.260.0030.00316.39
7.4.250.0050.00316.45
7.4.240.0040.00416.63
7.4.230.0030.00316.68
7.4.220.0160.00316.67
7.4.210.0070.00816.59
7.4.200.0080.00016.50
7.4.190.0070.00016.66
7.4.160.0130.00316.52
7.4.150.0100.00617.40
7.4.140.0090.00917.86
7.4.130.0120.00616.56
7.4.120.0030.01416.45
7.4.110.0100.00716.54
7.4.100.0070.01016.49
7.4.90.0130.00416.58
7.4.80.0090.00919.39
7.4.70.0160.00616.43
7.4.60.0000.01816.51
7.4.50.0090.00016.40
7.4.40.0090.00922.77
7.4.30.0040.01316.62
7.4.00.0090.00914.99
7.3.330.0000.00513.16
7.3.320.0000.00513.32
7.3.310.0070.00016.29
7.3.300.0030.00316.32
7.3.290.0090.00616.31
7.3.280.0080.01216.29
7.3.270.0200.00417.40
7.3.260.0100.00716.45
7.3.250.0090.01116.32
7.3.240.0100.00616.44
7.3.230.0060.01016.39
7.3.210.0110.00616.53
7.3.200.0120.01219.39
7.3.190.0160.00616.48
7.3.180.0090.00616.52
7.3.170.0150.00016.30
7.3.160.0150.00316.55
7.3.120.0090.00514.90
7.3.110.0030.01014.82
7.3.100.0040.00814.90
7.3.90.0060.00914.64
7.3.80.0110.00715.07
7.3.70.0060.00614.85
7.3.60.0090.00014.89
7.3.50.0090.00614.64
7.3.40.0000.01314.84
7.3.30.0060.00314.59
7.3.20.0090.00016.63
7.3.10.0070.00716.58
7.3.00.0000.01516.41
7.2.330.0140.00316.56
7.2.320.0140.00316.56
7.2.310.0110.00516.85
7.2.300.0140.00316.61
7.2.290.0030.01316.46
7.2.250.0080.00815.20
7.2.240.0070.01015.02
7.2.230.0040.01515.27
7.2.220.0120.00015.37
7.2.210.0070.00715.07
7.2.200.0030.00914.88
7.2.190.0110.00014.91
7.2.180.0060.00915.23
7.2.170.0130.00315.23
7.2.00.0030.00919.24
7.1.330.0090.00615.76
7.1.320.0090.00315.97
7.1.310.0060.00615.63
7.1.300.0030.00715.69
7.1.290.0070.00715.48
7.1.280.0110.00715.78
7.1.270.0030.00615.81
7.1.260.0100.00715.73
7.1.100.0040.01218.24
7.1.70.0090.00616.85
7.1.60.0180.00719.82
7.1.50.0070.01416.57
7.1.00.0000.07722.51
7.0.200.0140.00316.77
7.0.140.0030.07022.01
7.0.60.0070.06319.84
7.0.50.0130.07717.86
7.0.40.0070.05320.30
7.0.30.0300.07720.23
7.0.20.0230.05020.12
7.0.10.0100.06320.08
7.0.00.0070.05020.09
5.6.280.0030.07020.88
5.6.210.0130.07020.71
5.6.200.0030.04318.29
5.6.190.0030.04720.60
5.6.180.0030.09320.39
5.6.170.0330.07720.56
5.6.160.0070.08020.61
5.6.150.0070.08018.18
5.6.140.0130.08018.18
5.6.130.0100.06718.14
5.6.120.0100.04320.95
5.6.110.0130.05721.13
5.6.100.0070.03720.98
5.6.90.0130.07021.04
5.6.80.0230.06720.29
5.5.350.0030.07720.34
5.5.340.0130.07317.93
5.5.330.0030.08320.27
5.5.320.0300.04720.38
5.5.310.0330.06020.24
5.5.300.0070.07718.07
5.5.290.0070.07718.03
5.5.280.0100.08020.75
5.5.270.0100.05020.77
5.5.260.0030.04320.96
5.5.250.0100.07320.60
5.5.240.0100.07020.19
5.4.450.0070.06019.13
5.4.440.0270.04719.62
5.4.430.0270.03319.40
5.4.420.0330.04319.63
5.4.410.0270.04319.07
5.4.400.0100.02719.09
5.4.390.0100.04018.95
5.4.380.0330.05718.75
5.4.370.0370.05018.54
5.4.360.0370.05018.76
5.4.350.0330.05318.51
5.4.340.0170.06718.71
5.4.320.0060.04212.51
5.4.310.0050.03912.51
5.4.300.0040.03912.50
5.4.290.0040.04612.51
5.4.280.0070.03712.40
5.4.270.0060.03712.37
5.4.260.0070.03712.37
5.4.250.0090.04012.37
5.4.240.0080.03412.36
5.4.230.0040.04012.36
5.4.220.0050.03812.36
5.4.210.0070.03512.36
5.4.200.0080.03712.36
5.4.190.0080.03612.36
5.4.180.0080.03612.36
5.4.170.0080.03512.36
5.4.160.0080.03412.36
5.4.150.0060.03712.35
5.4.140.0070.03812.04
5.4.130.0070.03512.03
5.4.120.0060.03611.99
5.4.110.0040.03711.98
5.4.100.0070.03611.99
5.4.90.0050.03811.98
5.4.80.0070.03511.98
5.4.70.0080.04511.98
5.4.60.0090.04411.98
5.4.50.0060.03711.98
5.4.40.0060.03411.96
5.4.30.0080.03311.96
5.4.20.0080.03211.96
5.4.10.0070.04011.96
5.4.00.0070.03511.46
5.3.290.0090.04012.80
5.3.280.0100.04012.71
5.3.270.0050.04012.72
5.3.260.0040.05012.72
5.3.250.0070.03612.72
5.3.240.0070.04012.72
5.3.230.0070.04212.71
5.3.220.0070.03812.68
5.3.210.0090.03812.68
5.3.200.0060.03712.68
5.3.190.0080.04412.68
5.3.180.0080.04412.67
5.3.170.0080.03712.67
5.3.160.0050.03712.68
5.3.150.0070.03712.67
5.3.140.0060.03812.66
5.3.130.0050.04512.66
5.3.120.0060.03912.66
5.3.110.0030.04112.65
5.3.100.0060.03812.11
5.3.90.0060.04512.08
5.3.80.0080.03812.08
5.3.70.0050.04112.07
5.3.60.0070.03612.06
5.3.50.0090.03412.00
5.3.40.0060.03712.00
5.3.30.0070.03511.96
5.3.20.0050.03911.74
5.3.10.0070.03311.72
5.3.00.0020.03911.70
5.2.170.0050.0309.20
5.2.160.0040.0319.19
5.2.150.0040.0329.20
5.2.140.0020.0349.20
5.2.130.0030.0329.16
5.2.120.0060.0279.15
5.2.110.0060.0289.16
5.2.100.0040.0319.16
5.2.90.0030.0309.15
5.2.80.0050.0309.15
5.2.70.0050.0299.14
5.2.60.0050.0319.10
5.2.50.0050.0309.08
5.2.40.0070.0269.05
5.2.30.0060.0299.02
5.2.20.0050.0289.02
5.2.10.0050.0298.92
5.2.00.0040.0338.77
5.1.60.0080.0318.07
5.1.50.0100.0308.06
5.1.40.0040.0258.06
5.1.30.0090.0238.40
5.1.20.0050.0258.43
5.1.10.0040.0268.14
5.1.00.0030.0268.14
5.0.50.0030.0206.62
5.0.40.0040.0196.48
5.0.30.0040.0326.30
5.0.20.0020.0266.27
5.0.10.0020.0276.25
5.0.00.0040.0306.24
4.4.90.0030.0154.78
4.4.80.0010.0204.75
4.4.70.0020.0164.76
4.4.60.0030.0154.75
4.4.50.0020.0164.77
4.4.40.0010.0274.71
4.4.30.0030.0154.76
4.4.20.0040.0144.85
4.4.10.0020.0174.85
4.4.00.0020.0274.76
4.3.110.0030.0154.67
4.3.100.0040.0134.67
4.3.90.0040.0134.63
4.3.80.0030.0244.59
4.3.70.0030.0144.63
4.3.60.0030.0144.63
4.3.50.0030.0154.63
4.3.40.0020.0254.54
4.3.30.0020.0163.28
4.3.20.0040.0163.26
4.3.10.0030.0193.23
4.3.00.0130.01715.02

preferences:
56.27 ms | 401 KiB | 5 Q