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; $date = new DateTime(); var_dump($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)
8.3.60.0120.00717.87
8.3.50.0160.00318.33
8.3.40.0220.00919.24
8.3.30.0200.00818.57
8.3.20.0150.00921.47
8.3.10.0140.00721.76
8.3.00.0150.00921.09
8.2.180.0180.00618.17
8.2.170.0200.00718.21
8.2.160.0190.00719.90
8.2.150.0190.00521.01
8.2.140.0160.00721.37
8.2.130.0140.01021.79
8.2.120.0190.00521.18
8.2.110.0150.00520.82
8.2.100.0150.00819.54
8.2.90.0180.00719.14
8.2.80.0160.00819.14
8.2.70.0160.00635.67
8.2.60.0140.00524.26
8.2.50.0150.00623.06
8.2.40.0140.00725.28
8.2.30.0170.00425.14
8.2.20.0140.00525.28
8.2.10.0110.00623.11
8.2.00.0120.00724.35
8.1.280.0210.00316.31
8.1.270.0120.00721.19
8.1.260.0170.00622.00
8.1.250.0170.00822.04
8.1.240.0150.01019.59
8.1.230.0170.00918.92
8.1.220.0150.00819.01
8.1.210.0170.00619.25
8.1.200.0150.00725.63
8.1.190.0160.00425.61
8.1.180.0160.00625.23
8.1.170.0140.00825.12
8.1.160.0160.00525.17
8.1.150.0170.00525.35
8.1.140.0150.00925.15
8.1.130.0150.00524.02
8.1.120.0140.00523.48
8.1.110.0110.00623.18
8.1.100.0120.00622.86
8.1.90.0110.00622.24
8.1.80.0120.00621.51
8.1.70.0140.00421.92
8.1.60.0110.00720.97
8.1.50.0110.00621.35
8.1.40.0130.00621.19
8.1.30.0130.00520.17
8.1.20.0120.00520.33
8.1.10.0140.00620.34
8.1.00.0150.00620.51
8.0.300.0170.00419.16
8.0.290.0190.00525.24
8.0.280.0180.00424.88
8.0.270.0160.00524.70
8.0.260.0150.00523.39
8.0.250.0150.00523.04
8.0.240.0140.00622.69
8.0.230.0130.00522.36
8.0.220.0150.00522.15
8.0.210.0140.00521.49
8.0.200.0130.00521.06
8.0.190.0150.00521.43
8.0.180.0140.00521.26
8.0.170.0130.00621.04
8.0.160.0130.00520.54
8.0.150.0130.00720.54
8.0.140.0130.00620.07
8.0.130.0110.00719.53
8.0.120.0130.00519.63
8.0.110.0110.00519.35
8.0.100.0110.00418.98
8.0.90.0110.00418.74
8.0.80.0110.00418.96
8.0.70.0110.00418.98
8.0.60.0100.00619.01
8.0.50.0110.00518.97
8.0.30.0130.00518.88
8.0.20.0120.00419.01
8.0.10.0130.00419.08
8.0.00.0090.00519.20
7.4.330.0140.00522.36
7.4.320.0140.00521.59
7.4.300.0130.00621.24
7.4.290.0160.00420.99
7.4.280.0150.00520.11
7.4.270.0140.00519.70
7.4.260.0170.00419.40
7.4.250.0150.00519.31
7.4.240.0130.00519.06
7.4.230.0120.00518.62
7.4.220.0110.00518.61
7.4.210.0110.00518.66
7.4.200.0110.00418.60
7.4.190.0120.00418.69
7.4.180.0110.00518.72
7.4.160.0110.00518.60
7.4.150.0130.00318.57
7.4.140.0110.00518.52
7.4.130.0120.00418.45
7.4.120.0110.00518.43
7.4.110.0110.00518.49
7.4.100.0100.00618.61
7.4.90.0110.00518.45
7.4.80.0110.00518.46
7.4.70.0110.00518.43
7.4.60.0110.00518.44
7.4.50.0110.00518.39
7.4.40.0100.00518.47
7.4.30.0110.00518.49
7.4.20.0110.00418.45
7.4.10.0120.00418.45
7.4.00.0100.00518.46
7.3.330.0150.00419.43
7.3.320.0150.00419.32
7.3.310.0140.00418.87
7.3.300.0120.00518.49
7.3.290.0120.00418.51
7.3.280.0120.00418.49
7.3.270.0120.00518.44
7.3.260.0130.00418.44
7.3.250.0120.00518.50
7.3.240.0120.00518.43
7.3.230.0120.00418.54
7.3.220.0120.00518.39
7.3.210.0120.00518.39
7.3.200.0120.00518.43
7.3.190.0130.00418.38
7.3.180.0120.00518.13
7.3.170.0130.00418.42
7.3.160.0120.00418.39
7.3.150.0130.00418.39
7.3.140.0110.00618.47
7.3.130.0120.00418.39
7.3.120.0120.00518.36
7.3.110.0120.00518.35
7.3.100.0120.00518.37
7.3.90.0120.00518.59
7.3.80.0120.00518.41
7.3.70.0120.00518.44
7.3.60.0130.00418.48
7.3.50.0130.00418.47
7.3.40.0110.00518.47
7.3.30.0120.00418.48
7.3.20.0130.00519.59
7.3.10.0140.00419.51
7.3.00.0130.00519.51

preferences:
57.08 ms | 401 KiB | 5 Q