3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); namespace Forum { class Message {} } namespace Messenger { class Message {} } $forumMessage = new \Forum\Message; $messengerMessage = new \Messenger\Message; var_dump($forumMessage::class); var_dump($messengerMessage::class);

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)
8.3.60.0130.00318.45
8.3.50.0060.00918.67
8.3.40.0200.01419.24
8.3.30.0280.00617.13
8.3.20.0220.01116.98
8.3.10.0240.00717.25
8.3.00.0180.00917.13
8.2.180.0110.01116.74
8.2.170.0240.00717.25
8.2.160.0290.00319.13
8.2.150.0310.00017.13
8.2.140.0100.01718.82
8.2.130.0300.00017.00
8.2.120.0260.00017.25
8.2.110.0130.00919.90
8.2.100.0300.00019.11
8.2.90.0150.01517.50
8.2.80.0140.01117.25
8.2.70.0110.00666.86
8.2.60.0120.00617.17
8.2.50.0070.00718.36
8.2.40.0200.00317.43
8.2.30.0150.00417.38
8.2.20.0110.00217.84
8.2.10.0080.00718.24
8.2.00.0100.00418.56
8.1.280.0170.00717.81
8.1.270.0070.01418.61
8.1.260.0200.00917.11
8.1.250.0160.01616.38
8.1.240.0240.00416.88
8.1.230.0180.00816.75
8.1.220.0310.00016.38
8.1.210.0200.01016.87
8.1.200.0290.00416.87
8.1.190.0130.01716.86
8.1.180.0080.01516.98
8.1.170.0100.00817.31
8.1.160.0210.00217.17
8.1.150.0130.00617.24
8.1.140.0130.00617.70
8.1.130.0120.00617.20
8.1.120.0080.00817.58
8.1.110.0070.01017.58
8.1.100.0100.00617.68
8.1.90.0060.00817.44
8.1.80.0120.00417.55
8.1.70.0100.00317.42
8.1.60.0120.00417.98
8.1.50.0110.00717.48
8.1.40.0150.00217.61
8.1.30.0110.00417.58
8.1.20.0100.00517.55
8.1.10.0120.00617.48
8.1.00.0170.00417.45
8.0.300.0230.01216.13
8.0.290.0270.00716.38
8.0.280.0200.00316.86
8.0.270.0140.00616.82
8.0.260.0160.00617.51
8.0.250.0170.00517.64
8.0.240.0140.00717.20
8.0.230.0130.00717.19
8.0.220.0140.00617.09
8.0.210.0120.00717.13
8.0.200.0100.00517.02
8.0.190.0100.00817.13
8.0.180.0130.00517.13
8.0.170.0110.00717.50
8.0.160.0140.00417.12
8.0.150.0140.00417.00
8.0.140.0130.00517.05
8.0.130.0130.00516.94
8.0.120.0140.00416.91
8.0.110.0120.00616.92
8.0.100.0170.00216.98
8.0.90.0100.00416.84
8.0.80.0120.00516.94
8.0.70.0100.00717.14
8.0.60.0120.00516.91
8.0.50.0120.00516.91
8.0.30.0150.00717.02
8.0.20.0140.00517.00
8.0.10.0130.00517.01
8.0.00.0070.00717.05
7.4.330.0130.00416.08
7.4.320.0140.00516.89
7.4.300.0120.00516.94
7.4.290.0140.00416.74
7.4.280.0140.00416.80
7.4.270.0140.00317.12
7.4.260.0100.00516.61
7.4.250.0170.00416.63
7.4.240.0160.00416.87
7.4.230.0140.00516.61
7.4.220.0130.00416.64
7.4.210.0090.00616.85
7.4.200.0130.00416.57
7.4.190.0100.00616.74
7.4.180.0110.00616.68
7.4.160.0120.00616.58
7.4.150.0120.00516.57
7.4.140.0140.00416.48
7.4.130.0130.00516.50
7.4.120.0110.00716.42
7.4.110.0110.00616.47
7.4.100.0110.00616.53
7.4.90.0100.00616.46
7.4.80.0120.00516.49
7.4.70.0130.00516.46
7.4.60.0130.00416.46
7.4.50.0120.00516.60
7.4.40.0120.00616.43
7.4.30.0110.00616.49
7.4.20.0110.00616.39
7.4.10.0140.00316.45
7.4.00.0110.00616.47
7.3.330.0140.00516.54
7.3.320.0130.00416.52
7.3.310.0120.00616.52
7.3.300.0120.00516.50
7.3.290.0110.00616.42
7.3.280.0120.00616.49
7.3.270.0140.00516.41
7.3.260.0130.00416.38
7.3.250.0130.00616.45
7.3.240.0150.00316.43
7.3.230.0130.00516.41
7.3.220.0160.00316.40
7.3.210.0100.00816.61
7.3.200.0140.00316.59
7.3.190.0110.00716.59
7.3.180.0150.00416.56
7.3.170.0140.00416.36
7.3.160.0130.00616.41
7.3.150.0140.00416.39
7.3.140.0100.00716.39
7.3.130.0110.00716.35
7.3.120.0120.00516.31
7.3.110.0110.00616.37
7.3.100.0120.00516.51
7.3.90.0130.00516.59
7.3.80.0120.00516.38
7.3.70.0130.00416.64
7.3.60.0100.00616.48
7.3.50.0110.00616.44
7.3.40.0120.00416.64
7.3.30.0100.00616.46
7.3.20.0110.00617.26
7.3.10.0150.00417.40
7.3.00.0130.00517.39

preferences:
162.49 ms | 1394 KiB | 7 Q