3v4l.org

run code in 300+ PHP versions simultaneously
<?php class EventBus { public function addEventListener(Listener $listener) { $this->listeners[] = $listener; } public function dispatch(Event ...$events) { foreach($events as $event){ foreach($this->listeners as $listener){ $listener->when($event); } } } } abstract class Listener { public function __construct(EventBus $bus) { $bus->addEventListener($this); } public function when(Event $event) { $method = explode('\\', get_class($event)); $method = 'on' . end($method); if (method_exists($this, $method)) { $this->$method($event); } } } class SendEmailListener extends Listener { public function onMemberRegistered(Event $event) { // send email } } $eventBus = new EventBus; new SendEmailListener($eventBus);

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)
8.3.60.0140.00418.55
8.3.50.0070.01018.09
8.3.40.0120.00618.96
8.3.30.0040.01218.75
8.3.20.0040.00419.10
8.3.10.0040.00421.86
8.3.00.0080.00019.56
8.2.180.0190.00016.61
8.2.170.0060.00922.96
8.2.160.0100.01020.43
8.2.150.0050.00324.18
8.2.140.0030.00624.66
8.2.130.0080.00019.83
8.2.120.0020.00526.35
8.2.110.0060.00320.89
8.2.100.0090.00317.91
8.2.90.0050.00317.94
8.2.80.0040.00419.89
8.2.70.0040.00417.93
8.2.60.0080.00018.04
8.2.50.0030.00718.22
8.2.40.0080.00020.77
8.2.30.0000.00821.10
8.2.20.0000.00717.98
8.2.10.0000.00718.09
8.2.00.0040.00419.18
8.1.280.0130.00725.92
8.1.270.0040.00423.91
8.1.260.0000.00726.35
8.1.250.0040.00428.09
8.1.240.0030.00620.75
8.1.230.0040.00722.17
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.36
8.1.190.0050.00317.23
8.1.180.0000.00818.10
8.1.170.0000.00818.48
8.1.160.0070.00018.93
8.1.150.0060.00318.85
8.1.140.0070.00017.58
8.1.130.0050.00217.33
8.1.120.0000.00817.43
8.1.110.0000.00717.43
8.1.100.0050.00217.38
8.1.90.0080.00017.47
8.1.80.0030.00617.44
8.1.70.0000.00717.43
8.1.60.0030.00617.67
8.1.50.0080.00317.47
8.1.40.0000.00817.57
8.1.30.0040.00417.63
8.1.20.0050.00317.62
8.1.10.0030.00517.52
8.1.00.0040.00417.52
8.0.300.0080.00019.97
8.0.290.0030.00616.75
8.0.280.0000.00718.34
8.0.270.0030.00518.61
8.0.260.0070.00016.76
8.0.250.0030.00317.01
8.0.240.0000.00817.02
8.0.230.0000.00716.95
8.0.220.0070.00016.79
8.0.210.0030.00316.81
8.0.200.0000.00817.00
8.0.190.0040.00416.87
8.0.180.0050.00316.85
8.0.170.0040.00416.96
8.0.160.0000.00716.93
8.0.150.0050.00216.92
8.0.140.0040.00416.73
8.0.130.0000.00513.37
8.0.120.0000.00816.93
8.0.110.0000.00716.93
8.0.100.0000.00716.95
8.0.90.0040.00416.91
8.0.80.0110.00316.86
8.0.70.0030.00516.90
8.0.60.0050.00316.87
8.0.50.0050.00316.92
8.0.30.0090.01017.14
8.0.20.0170.00717.40
8.0.10.0000.00817.04
8.0.00.0070.01016.73
7.4.330.0030.00315.55
7.4.320.0030.00316.48
7.4.300.0030.00316.54
7.4.290.0040.00416.64
7.4.280.0000.00916.52
7.4.270.0090.00016.38
7.4.260.0000.00716.62
7.4.250.0040.00416.59
7.4.240.0000.00816.43
7.4.230.0030.00316.50
7.4.220.0000.00816.32
7.4.210.0080.00716.61
7.4.200.0000.00716.46
7.4.160.0050.01016.54
7.4.140.0130.00617.86
7.4.130.0140.00516.42
7.4.120.0090.00916.49
7.4.110.0140.00816.34
7.4.100.0060.01416.54
7.4.90.0160.00316.30
7.4.80.0070.01119.39
7.4.70.0140.00716.57
7.4.60.0110.00916.55
7.4.50.0030.01016.36
7.4.40.0150.00616.66
7.4.00.0070.01014.98
7.3.330.0000.00613.11
7.3.320.0000.00513.26
7.3.310.0030.00316.12
7.3.300.0030.00316.16
7.3.290.0050.00216.16
7.3.280.0100.01116.22
7.3.260.0100.00716.35
7.3.240.0130.00416.37
7.3.230.0100.00616.47
7.3.210.0130.00316.23
7.3.200.0030.01616.39
7.3.190.0070.01016.42
7.3.180.0060.00916.48
7.3.170.0090.01216.20
7.3.160.0080.00816.50
7.3.10.0170.00615.88
7.3.00.0270.00416.12
7.2.330.0070.01116.80
7.2.320.0070.01416.79
7.2.310.0080.00816.70
7.2.300.0140.00316.64
7.2.290.0030.01916.66
7.2.130.0150.01216.35
7.2.120.0150.01516.13
7.2.110.0190.00916.83
7.2.100.0120.01216.79
7.2.90.0240.00016.75
7.2.80.0160.01116.25
7.2.70.0170.01016.13
7.2.60.0170.00516.65
7.2.50.0110.00516.53
7.2.40.1320.00917.16
7.2.30.1450.01217.15
7.2.20.1610.00817.07
7.2.10.1330.00416.89
7.2.00.1030.01117.51
7.1.250.0080.01215.32
7.1.200.0140.00015.56
7.1.160.2520.00916.59
7.1.150.2550.00616.71
7.1.140.2990.01016.82
7.1.130.2350.00916.66
7.1.120.2050.01016.70
7.1.110.1710.00915.99
7.1.100.2290.00716.38
7.1.90.2720.00816.13
7.1.80.2380.00816.13
7.1.70.2890.01015.35
7.1.60.2550.01133.32
7.1.50.3420.01332.84
7.1.40.2280.01532.42
7.1.30.2170.00932.69
7.1.20.2300.00832.71
7.1.10.2150.00614.54
7.1.00.1650.00614.91

preferences:
56.84 ms | 401 KiB | 5 Q