3v4l.org

run code in 300+ PHP versions simultaneously
<?php class BaseObserver { protected $events = array(); public function register($callable, $event){ if (!isset($this->events[$event])) { $this->events[$event] = array(); } $this->events[$event][] = $callable; } public function notify($event, $params = array()) { if (isset($this->events[$event])) { foreach ($this->events[$event] AS $callable){ call_user_func_array($callable, $params); } } } } function print_meta($p1, $p2) { echo $p1 . ' ' . $p2; } function multiply_meta($p1, $p2) { echo $p1 * $p2; } function add_meta($p1, $p2) { echo $p1 + $p2; } $observer = new BaseObserver(); $observer->register('print_meta', 'event1'); $observer->register('multiple_meta', 'event1'); $observer->register('print_meta', 'event2'); $observer->register('add_meta', 'event2'); $observer->register('multiple_meta', 'event3'); $observer->register('add_meta', 'event3'); $observer->notify('event1', array(1, 2)); $observer->notify('event2', array(3, 4)); $observer->notify('event3', array(5, 6));

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)
8.3.60.0130.00616.84
8.3.50.0090.00722.91
8.3.40.0110.00318.92
8.3.30.0030.01019.21
8.3.20.0040.00420.17
8.3.10.0040.00423.63
8.3.00.0040.00417.75
8.2.180.0030.01216.37
8.2.170.0000.01422.96
8.2.160.0100.00320.39
8.2.150.0050.00324.18
8.2.140.0030.00524.66
8.2.130.0000.00726.16
8.2.120.0050.00320.84
8.2.110.0030.00622.06
8.2.100.0090.00318.03
8.2.90.0000.00819.15
8.2.80.0030.00617.97
8.2.70.0050.00317.63
8.2.60.0090.00017.93
8.2.50.0080.00018.07
8.2.40.0000.00918.16
8.2.30.0040.00418.05
8.2.20.0060.00317.74
8.2.10.0030.00518.14
8.2.00.0080.00017.73
8.1.280.0110.00425.92
8.1.270.0040.00422.07
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0060.00324.02
8.1.230.0000.01119.08
8.1.220.0060.00317.91
8.1.210.0030.00518.77
8.1.200.0000.01117.48
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0040.00418.66
8.1.160.0080.00022.04
8.1.150.0050.00318.89
8.1.140.0040.00417.54
8.1.130.0040.00417.72
8.1.120.0000.00717.46
8.1.110.0050.00317.31
8.1.100.0040.00417.52
8.1.90.0040.00417.55
8.1.80.0000.00717.37
8.1.70.0070.00017.48
8.1.60.0050.00317.68
8.1.50.0040.00417.55
8.1.40.0030.00517.51
8.1.30.0030.00617.51
8.1.20.0090.00317.57
8.1.10.0070.00017.60
8.1.00.0000.00717.58
8.0.300.0000.00818.77
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0030.00317.23
8.0.260.0060.00017.20
8.0.250.0070.00017.03
8.0.240.0040.00417.05
8.0.230.0030.00317.02
8.0.220.0000.00817.00
8.0.210.0070.00017.08
8.0.200.0050.00317.00
8.0.190.0030.00316.93
8.0.180.0040.00417.07
8.0.170.0000.00716.89
8.0.160.0000.00716.98
8.0.150.0050.00216.96
8.0.140.0000.00716.84
8.0.130.0060.00313.41
8.0.120.0070.00016.89
8.0.110.0060.00316.90
8.0.100.0050.00216.93
8.0.90.0000.00716.79
8.0.80.0060.01216.90
8.0.70.0040.00416.97
8.0.60.0040.00417.00
8.0.50.0000.00816.96
8.0.30.0070.01416.88
8.0.20.0060.01317.40
8.0.10.0070.00017.11
8.0.00.0120.00917.02
7.4.330.0030.00315.00
7.4.320.0030.00316.52
7.4.300.0000.00616.59
7.4.290.0030.00316.61
7.4.280.0040.00416.56
7.4.270.0000.00816.43
7.4.260.0040.00416.60
7.4.250.0040.00416.52
7.4.240.0020.00516.55
7.4.230.0060.00316.68
7.4.220.0090.00916.44
7.4.210.0030.01816.54
7.4.200.0000.00816.59
7.4.160.0130.00616.47
7.4.150.0100.00717.40
7.4.140.0100.01017.86
7.4.130.0190.00516.56
7.4.120.0110.00616.42
7.4.110.0060.01516.51
7.4.100.0110.01116.61
7.4.90.0100.01016.56
7.4.80.0150.00319.39
7.4.70.0040.01216.69
7.4.60.0070.01016.71
7.4.50.0000.00816.39
7.4.40.0040.01216.57
7.4.30.0170.00016.50
7.4.10.0070.01414.93
7.4.00.0030.01514.86
7.3.330.0030.00313.39
7.3.320.0000.00613.30
7.3.310.0030.00316.43
7.3.300.0060.00016.30
7.3.290.0040.01116.43
7.3.280.0070.00816.44
7.3.270.0070.01017.40
7.3.260.0170.00316.76
7.3.250.0080.00916.36
7.3.240.0100.00716.59
7.3.230.0100.00616.51
7.3.210.0090.01016.52
7.3.200.0090.01219.39
7.3.190.0110.00816.56
7.3.180.0140.00716.52
7.3.170.0030.01416.59
7.3.160.0080.00916.39
7.3.130.0120.00614.88
7.3.120.0040.00814.87
7.3.110.0100.00714.96
7.3.100.0040.01414.87
7.3.90.0100.00715.08
7.3.80.0030.00915.00
7.3.70.0040.01114.86
7.3.60.0060.00314.76
7.3.50.0040.00814.93
7.3.40.0070.00714.82
7.3.30.0040.00814.95
7.3.20.0030.01416.82
7.3.10.0120.00316.62
7.3.00.0000.01516.85
7.2.330.0100.00716.84
7.2.320.0070.01316.83
7.2.310.0000.01616.77
7.2.300.0110.00516.71
7.2.290.0070.01016.78
7.2.260.0030.01215.17
7.2.250.0040.01115.00
7.2.240.0040.01115.35
7.2.230.0030.01415.34
7.2.220.0100.00715.11
7.2.210.0070.00314.95
7.2.200.0030.01215.11
7.2.190.0100.00015.10
7.2.180.0070.00314.93
7.2.170.0030.00715.09
7.2.160.0000.01115.16
7.2.150.0080.00416.91
7.2.140.0070.01016.60
7.2.130.0060.00616.77
7.2.120.0030.01216.99
7.2.110.0080.00816.64
7.2.100.0060.00916.98
7.2.90.0060.00616.93
7.2.80.0080.00417.08
7.2.70.0030.00917.15
7.2.60.0130.00317.14
7.2.50.0070.00316.72
7.2.40.0100.00716.98
7.2.30.0090.00416.88
7.2.20.0130.00717.03
7.2.10.0090.00917.01
7.2.00.0030.01018.31
7.1.330.0070.00715.83
7.1.320.0120.00315.83
7.1.310.0000.01215.54
7.1.300.0030.01015.51
7.1.290.0030.01015.59
7.1.280.0100.00315.44
7.1.270.0040.00815.75
7.1.260.0060.00315.88
7.1.250.0000.01315.92
7.1.240.0070.00315.89
7.1.230.0100.00315.50
7.1.220.0090.00615.79
7.1.210.0070.01015.62
7.1.200.0050.00715.82
7.1.190.0030.01215.68
7.1.180.0040.01115.82
7.1.170.0040.00815.60
7.1.160.0000.01315.77
7.1.150.0030.01416.00
7.1.140.0030.01515.75
7.1.130.0060.00915.86
7.1.120.0060.00615.84
7.1.110.0060.01015.85
7.1.100.0050.00517.05
7.1.90.0090.00315.86
7.1.80.0040.00815.82
7.1.70.0020.01016.43
7.1.60.0020.01817.59
7.1.50.0050.01016.47
7.1.40.0040.00715.80
7.1.30.0000.01215.59
7.1.20.0060.00615.83
7.1.10.0040.00415.74
7.1.00.0030.04118.93
7.0.330.0000.01715.50
7.0.320.0110.00315.07
7.0.310.0030.00915.35
7.0.300.0040.00715.43
7.0.290.0060.00915.32
7.0.280.0030.00915.59
7.0.270.0070.01015.06
7.0.260.0070.00715.45
7.0.250.0120.00315.34
7.0.240.0060.00615.50
7.0.230.0060.01015.44
7.0.220.0090.00315.39
7.0.210.0000.00915.60
7.0.200.0040.00616.10
7.0.190.0050.00515.37
7.0.180.0060.01015.55
7.0.170.0070.00415.47
7.0.160.0000.00915.48
7.0.150.0030.01315.48
7.0.140.0070.03818.88
7.0.130.0000.01115.49
7.0.120.0030.01015.58
7.0.110.0040.00415.54
7.0.100.0120.00915.50
7.0.90.0070.00715.54
7.0.80.0080.00815.47
7.0.70.0040.00815.36
7.0.60.0050.04617.61
7.0.50.0060.04116.81
7.0.40.0070.02716.69
7.0.30.0150.03316.79
7.0.20.0180.03916.96
7.0.10.0100.04316.88
7.0.00.0080.03116.94
5.6.400.0070.00714.29
5.6.390.0030.01014.25
5.6.380.0100.00714.13
5.6.370.0040.01114.35
5.6.360.0030.01014.80
5.6.350.0030.00914.73
5.6.340.0040.00914.66
5.6.330.0070.01014.60
5.6.320.0120.00014.64
5.6.310.0100.00714.72
5.6.300.0080.00314.56
5.6.290.0120.00314.42
5.6.280.0030.03717.91
5.6.270.0000.01314.45
5.6.260.0000.01414.58
5.6.250.0070.00414.61
5.6.240.0050.01414.57
5.6.230.0120.00814.36
5.6.220.0040.00814.59
5.6.210.0050.03917.65
5.6.200.0070.03916.43
5.6.190.0070.04717.37
5.6.180.0050.04617.50
5.6.170.0210.02717.58
5.6.160.0070.04517.47
5.6.150.0020.03116.35
5.6.140.0080.02816.41
5.6.130.0030.04516.35
5.6.120.0080.03017.81
5.6.110.0020.04717.88
5.6.100.0030.04217.90
5.6.90.0110.04117.87
5.6.80.0090.04317.43
5.6.70.0100.00614.14
5.6.60.0080.00414.45
5.6.50.0060.01014.44
5.6.40.0000.01814.30
5.6.30.0070.00714.47
5.6.20.0070.00714.39
5.6.10.0090.00614.18
5.6.00.0030.01014.32
5.5.380.0080.00814.58
5.5.370.0120.00614.51
5.5.360.0040.00814.01
5.5.350.0190.04517.31
5.5.340.0030.04416.41
5.5.330.0080.03317.23
5.5.320.0070.03217.43
5.5.310.0190.04617.43
5.5.300.0020.05116.06
5.5.290.0030.02516.31
5.5.280.0070.02817.63
5.5.270.0080.04017.49
5.5.260.0120.04017.49
5.5.250.0050.03617.28
5.5.240.0060.03917.07
5.5.230.0040.00714.49
5.5.220.0060.00614.46
5.5.210.0070.00714.36
5.5.200.0100.00314.26
5.5.190.0090.00314.13
5.5.180.0040.01214.41
5.5.170.0060.00814.43
5.5.160.0080.00014.21
5.5.150.0150.00013.96
5.5.140.0090.00614.33
5.5.130.0110.00314.23
5.5.120.0070.00714.40
5.5.110.0030.00914.31
5.5.100.0030.01314.44
5.5.90.0080.00414.22
5.5.80.0120.00614.31
5.5.70.0060.00314.25
5.5.60.0030.01014.13
5.5.50.0080.00414.13
5.5.40.0070.00414.15
5.5.30.0080.00514.14
5.5.20.0080.00814.20
5.5.10.0000.01014.23
5.5.00.0080.01214.16
5.4.450.0430.03216.06
5.4.440.0440.03016.08
5.4.430.0380.03515.95
5.4.420.0070.03016.09
5.4.410.0450.03616.00
5.4.400.0280.04215.65
5.4.390.1420.03215.60
5.4.380.0040.03415.57
5.4.370.0070.02215.57
5.4.360.0020.02715.54
5.4.350.0030.02612.33
5.4.340.0070.02312.32
5.4.330.0000.01112.63
5.4.320.0040.02412.57
5.4.310.0030.02812.57
5.4.300.0070.02012.57
5.4.290.0020.02412.57
5.4.280.0040.02112.52
5.4.270.0070.01812.52
5.4.260.0050.01912.52
5.4.250.0100.01812.52
5.4.240.0050.02112.52
5.4.230.0020.02312.51
5.4.220.0060.02012.51
5.4.210.0080.01812.51
5.4.200.0030.02312.51
5.4.190.0030.02512.51
5.4.180.0070.02312.51
5.4.170.0070.01912.51
5.4.160.0030.02412.51
5.4.150.0070.02012.51
5.4.140.0040.02112.35
5.4.130.0020.02612.35
5.4.120.0090.02012.33
5.4.110.0100.01512.32
5.4.100.0060.02212.32
5.4.90.0070.01912.32
5.4.80.0050.02012.32
5.4.70.0070.01712.32
5.4.60.0080.01812.32
5.4.50.0040.02212.32
5.4.40.0040.02712.31
5.4.30.0020.02512.31
5.4.20.0060.02012.31
5.4.10.0040.02312.31
5.4.00.0020.02512.06
5.3.290.0090.03812.80
5.3.280.0070.04112.71
5.3.270.0080.04112.72
5.3.260.0070.04012.72
5.3.250.0060.03812.71
5.3.240.0060.03712.72
5.3.230.0040.04212.71
5.3.220.0100.04612.68
5.3.210.0030.04112.68
5.3.200.0050.03812.68
5.3.190.0060.03812.68
5.3.180.0070.03612.68
5.3.170.0110.03312.67
5.3.160.0090.03412.67
5.3.150.0040.04012.67
5.3.140.0090.03412.66
5.3.130.0080.03812.66
5.3.120.0130.03312.66
5.3.110.0080.03812.66
5.3.100.0060.03812.13
5.3.90.0100.03312.11
5.3.80.0030.04012.10
5.3.70.0060.03712.10
5.3.60.0080.03712.09
5.3.50.0060.03712.04
5.3.40.0060.03712.04
5.3.30.0070.03512.00
5.3.20.0040.03811.78
5.3.10.0070.03511.74
5.3.00.0040.03911.73
5.2.170.0040.0319.23
5.2.160.0030.0329.23
5.2.150.0060.0329.24
5.2.140.0040.0329.23
5.2.130.0060.0289.20
5.2.120.0060.0299.20
5.2.110.0050.0289.20
5.2.100.0040.0299.18
5.2.90.0040.0309.19
5.2.80.0010.0349.18
5.2.70.0060.0299.18
5.2.60.0040.0309.15
5.2.50.0020.0329.11
5.2.40.0050.0289.09
5.2.30.0050.0299.06
5.2.20.0050.0299.05
5.2.10.0050.0288.95
5.2.00.0040.0308.82
5.1.60.0050.0238.11
5.1.50.0020.0268.10
5.1.40.0040.0258.09
5.1.30.0050.0278.43
5.1.20.0040.0278.46
5.1.10.0060.0248.18
5.1.00.0020.0288.18
5.0.50.0040.0206.66
5.0.40.0030.0206.52
5.0.30.0060.0406.33
5.0.20.0020.0226.30
5.0.10.0040.0206.28
5.0.00.0030.0306.27
4.4.90.0040.0144.77
4.4.80.0020.0154.75
4.4.70.0020.0164.76
4.4.60.0010.0174.75
4.4.50.0010.0174.77
4.4.40.0010.0274.71
4.4.30.0040.0144.76
4.4.20.0020.0164.84
4.4.10.0030.0164.85
4.4.00.0030.0254.75
4.3.110.0040.0144.67
4.3.100.0020.0164.67
4.3.90.0030.0154.63
4.3.80.0030.0244.59
4.3.70.0050.0124.63
4.3.60.0020.0154.63
4.3.50.0020.0174.63
4.3.40.0030.0264.54
4.3.30.0000.0183.30
4.3.20.0000.0183.28
4.3.10.0020.0163.24
4.3.00.0130.0206.95

preferences:
41.82 ms | 400 KiB | 5 Q