3v4l.org

run code in 300+ PHP versions simultaneously
<?php declare(strict_types=1); namespace Forum { class Message {} } namespace Messenger { class Message {} } namespace { $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)
8.5.30.0190.00418.40
8.5.20.0200.00918.91
8.5.10.0210.00916.51
8.5.00.0200.01018.05
8.4.180.0250.00820.78
8.4.170.0230.01019.93
8.4.160.0240.00820.01
8.4.150.0160.00616.74
8.4.140.0260.00717.29
8.4.130.0230.01017.71
8.4.120.0270.00619.04
8.4.110.0250.00819.04
8.4.100.0290.01018.74
8.4.90.0270.01019.12
8.4.80.0310.00818.12
8.4.70.0340.00618.33
8.4.60.0290.00918.63
8.4.50.0300.00618.40
8.4.40.0350.00718.07
8.4.30.0330.00917.95
8.4.20.0290.00817.69
8.4.10.0310.00917.60
8.3.300.0290.00718.59
8.3.290.0220.01019.46
8.3.280.0250.00819.07
8.3.270.0270.00716.55
8.3.260.0210.01116.54
8.3.250.0250.00617.59
8.3.240.0220.00916.40
8.3.230.0270.00717.16
8.3.220.0210.00417.92
8.3.210.0250.00617.15
8.3.200.0120.00417.13
8.3.190.0270.00717.80
8.3.180.0290.00817.27
8.3.170.0350.00817.19
8.3.160.0350.00716.75
8.3.150.0300.00716.65
8.3.140.0270.00916.66
8.3.130.0250.00716.84
8.3.120.0260.00716.95
8.3.110.0270.00716.99
8.3.100.0310.00622.55
8.3.90.0260.00717.63
8.3.80.0240.00516.85
8.3.70.0270.00616.61
8.3.60.0280.00716.54
8.3.50.0300.00716.81
8.3.40.0240.00917.61
8.3.30.0190.00717.67
8.3.20.0240.00518.19
8.3.10.0220.00618.20
8.3.00.0200.00718.60
8.2.300.0260.00918.95
8.2.290.0230.00918.12
8.2.280.0230.00817.97
8.2.270.0230.00817.06
8.2.260.0250.00516.83
8.2.250.0230.00716.71
8.2.240.0240.00616.69
8.2.230.0240.00817.22
8.2.220.0250.00717.46
8.2.210.0230.00817.62
8.2.200.0240.00616.88
8.2.190.0220.00716.60
8.2.180.0230.00417.62
8.2.170.0240.00917.78
8.2.160.0220.00618.27
8.2.150.0270.00418.49
8.2.140.0240.00718.22
8.2.130.0240.00618.42
8.2.120.0250.00518.01
8.2.110.0190.00618.95
8.2.100.0230.00617.61
8.2.90.0270.00517.76
8.2.80.0250.00617.73
8.2.70.0260.00517.52
8.2.60.0200.00517.59
8.2.50.0230.00617.64
8.2.40.0220.00717.91
8.2.30.0230.00717.65
8.2.20.0240.00617.56
8.2.10.0220.00717.71
8.2.00.0250.00517.74
8.1.340.0200.01118.74
8.1.330.0220.00817.99
8.1.320.0250.00717.65
8.1.310.0270.00516.26
8.1.300.0230.00716.34
8.1.290.0230.00817.72
8.1.280.0240.00817.12
8.1.270.0220.00718.11
8.1.260.0240.00618.20
8.1.250.0240.00618.53
8.1.240.0240.00618.01
8.1.230.0230.00717.53
8.1.220.0250.00717.34
8.1.210.0240.00617.34
8.1.200.0240.00617.25
8.1.190.0190.00917.25
8.1.180.0200.00717.35
8.1.170.0210.00917.45
8.1.160.0230.00717.48
8.1.150.0220.00517.50
8.1.140.0200.00617.42
8.1.130.0210.00517.24
8.1.120.0200.00917.48
8.1.110.0240.00517.37
8.1.100.0180.00817.46
8.1.90.0210.00617.46
8.1.80.0190.00717.39
8.1.70.0190.00617.48
8.1.60.0200.00717.56
8.1.50.0210.00517.51
8.1.40.0190.00817.54
8.1.30.0230.00517.61
8.1.20.0200.00517.60
8.1.10.0220.00717.46
8.1.00.0250.00617.32
8.0.300.0260.00616.67
8.0.290.0230.00616.47
8.0.280.0210.00616.70
8.0.270.0210.00616.58
8.0.260.0220.00416.52
8.0.250.0200.00616.67
8.0.240.0210.00616.72
8.0.230.0210.00616.69
8.0.220.0230.00616.58
8.0.210.0240.00716.70
8.0.200.0190.00416.74
8.0.190.0210.00616.67
8.0.180.0220.00616.68
8.0.170.0210.00616.68
8.0.160.0210.00616.65
8.0.150.0220.00716.61
8.0.140.0210.00616.61
8.0.130.0210.00616.63
8.0.120.0220.00816.63
8.0.110.0210.00616.58
8.0.100.0200.00616.66
8.0.90.0230.00516.67
8.0.80.0190.00716.65
8.0.70.0200.00616.60
8.0.60.0210.00616.65
8.0.50.0240.00516.60
8.0.30.0200.00716.65
8.0.20.0210.00616.76
8.0.10.0220.00616.84
8.0.00.0190.00616.78
7.4.330.0200.00616.09
7.4.320.0200.00616.27
7.4.300.0160.00416.31
7.4.290.0200.00416.31
7.4.280.0210.00516.36
7.4.270.0220.00516.31
7.4.260.0200.00716.29
7.4.250.0210.00616.28
7.4.240.0240.00616.24
7.4.230.0200.00516.27
7.4.220.0190.00416.30
7.4.210.0150.00616.35
7.4.200.0170.00516.32
7.4.190.0200.00616.29
7.4.180.0200.00616.30
7.4.160.0190.00516.28
7.4.150.0180.00516.30
7.4.140.0180.00716.24
7.4.130.0220.00416.17
7.4.120.0170.00716.15
7.4.110.0190.00516.15
7.4.100.0180.00616.20
7.4.90.0220.00516.18
7.4.80.0230.00616.20
7.4.70.0200.00416.14
7.4.60.0200.00616.14
7.4.50.0170.00716.11
7.4.40.0210.00516.01
7.4.30.0210.00516.20
7.4.20.0180.00616.15
7.4.10.0190.00616.09
7.4.00.0180.00616.14
7.3.330.0180.00616.13
7.3.320.0200.00616.09
7.3.310.0210.00416.08
7.3.300.0210.00516.15
7.3.290.0200.00516.13
7.3.280.0190.00716.09
7.3.270.0190.00616.06
7.3.260.0200.00616.11
7.3.250.0200.00616.10
7.3.240.0200.00616.11
7.3.230.0200.00716.01
7.3.220.0230.00616.08
7.3.210.0210.00716.07
7.3.200.0200.00516.08
7.3.190.0200.00716.06
7.3.180.0230.00416.03
7.3.170.0190.00516.07
7.3.160.0190.00716.03
7.3.150.0220.00516.11
7.3.140.0220.00516.09
7.3.130.0220.00616.00
7.3.120.0210.00516.11
7.3.110.0190.00615.96
7.3.100.0220.00515.99
7.3.90.0210.00516.30
7.3.80.0220.00416.04
7.3.70.0190.00616.12
7.3.60.0170.00616.18
7.3.50.0190.00516.18
7.3.40.0170.00716.14
7.3.30.0180.00616.17
7.3.20.0190.00717.58
7.3.10.0190.00617.48
7.3.00.0210.00517.50

preferences:
51.05 ms | 1394 KiB | 5 Q