3v4l.org

run code in 500+ 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)
8.5.30.0220.00817.87
8.5.20.0200.00918.00
8.5.10.0240.01116.52
8.5.00.0190.00818.31
8.4.180.0220.01019.70
8.4.170.0180.01020.03
8.4.160.0130.00919.87
8.4.150.0080.00318.39
8.4.140.0120.00717.44
8.4.130.0220.00917.41
8.4.120.0180.00818.36
8.4.110.0250.00719.11
8.4.100.0230.00617.57
8.4.90.0240.00717.79
8.4.80.0210.01017.56
8.4.70.0220.00617.70
8.4.60.0290.00818.21
8.4.50.0300.00517.84
8.4.40.0330.00817.67
8.4.30.0290.00917.51
8.4.20.0310.00717.59
8.4.10.0290.01017.37
8.3.300.0110.00918.68
8.3.290.0230.00819.50
8.3.280.0240.00918.31
8.3.270.0230.00916.56
8.3.260.0220.00516.52
8.3.250.0210.00617.35
8.3.240.0280.00616.62
8.3.230.0240.00616.43
8.3.220.0200.00616.51
8.3.210.0280.00716.45
8.3.200.0310.00716.41
8.3.190.0310.00717.06
8.3.180.0290.00816.41
8.3.170.0300.00816.89
8.3.160.0310.00716.45
8.3.150.0270.00816.49
8.3.140.0270.00716.78
8.3.130.0240.00816.58
8.3.120.0250.00716.67
8.3.110.0250.00716.88
8.3.100.0290.00622.66
8.3.90.0310.00618.59
8.3.80.0310.00618.74
8.3.70.0280.00718.63
8.3.60.0270.00618.44
8.3.50.0250.00718.67
8.3.40.0260.00719.57
8.3.30.0210.00819.63
8.3.20.0260.00620.10
8.3.10.0220.00720.02
8.3.00.0200.00620.37
8.2.300.0200.00818.95
8.2.290.0210.00817.91
8.2.280.0240.00916.92
8.2.270.0220.00716.80
8.2.260.0250.00616.39
8.2.250.0220.00616.67
8.2.240.0210.00616.58
8.2.230.0210.00716.82
8.2.220.0220.00619.41
8.2.210.0230.00518.63
8.2.200.0240.00518.84
8.2.190.0210.00718.76
8.2.180.0210.00718.79
8.2.170.0270.00619.89
8.2.160.0230.00620.05
8.2.150.0210.00620.38
8.2.140.0230.00520.18
8.2.130.0220.00620.26
8.2.120.0220.00719.87
8.2.110.0230.00820.07
8.2.100.0240.00719.74
8.2.90.0250.00619.72
8.2.80.0240.00519.68
8.2.70.0200.00635.18
8.2.60.0210.00719.46
8.2.50.0220.00619.54
8.2.40.0210.00719.89
8.2.30.0230.00719.74
8.2.20.0190.00719.85
8.2.10.0190.00819.42
8.2.00.0200.00619.47
8.1.340.0190.00818.85
8.1.330.0220.00717.49
8.1.320.0250.00816.05
8.1.310.0270.00716.00
8.1.300.0240.00716.52
8.1.290.0230.00718.82
8.1.280.0230.00718.49
8.1.270.0230.00719.89
8.1.260.0250.00520.10
8.1.250.0240.00720.15
8.1.240.0230.00519.64
8.1.230.0230.00619.77
8.1.220.0210.00619.53
8.1.210.0210.00819.63
8.1.200.0210.00819.45
8.1.190.0240.00719.38
8.1.180.0210.00719.41
8.1.170.0210.00719.64
8.1.160.0210.00619.54
8.1.150.0210.00719.54
8.1.140.0210.00619.60
8.1.130.0190.00619.43
8.1.120.0210.00519.33
8.1.110.0220.00619.29
8.1.100.0180.00819.24
8.1.90.0180.00719.20
8.1.80.0180.00619.00
8.1.70.0180.00618.90
8.1.60.0180.00618.99
8.1.50.0180.00718.81
8.1.40.0190.00518.75
8.1.30.0170.00618.72
8.1.20.0180.00618.76
8.1.10.0190.00618.84
8.1.00.0180.00618.58
8.0.300.0220.00519.10
8.0.290.0210.00618.92
8.0.280.0210.00619.02
8.0.270.0220.00518.96
8.0.260.0210.00518.85
8.0.250.0210.00518.73
8.0.240.0220.00618.78
8.0.230.0200.00618.70
8.0.220.0200.00518.65
8.0.210.0190.00718.51
8.0.200.0190.00518.37
8.0.190.0170.00718.35
8.0.180.0190.00618.39
8.0.170.0160.00718.14
8.0.160.0170.00718.10
8.0.150.0170.00718.09
8.0.140.0180.00718.20
8.0.130.0190.00617.91
8.0.120.0190.00618.06
8.0.110.0170.00617.94
8.0.100.0160.00617.96
8.0.90.0170.00517.86
8.0.80.0170.00517.83
8.0.70.0150.00517.90
8.0.60.0150.00517.85
8.0.50.0150.00617.80
8.0.30.0160.00517.83
8.0.20.0160.00517.95
8.0.10.0150.00618.00
8.0.00.0150.00518.07
7.4.330.0190.00523.80
7.4.320.0210.00618.41
7.4.300.0180.00618.02
7.4.290.0180.00617.96
7.4.280.0180.00517.75
7.4.270.0180.00617.82
7.4.260.0180.00617.65
7.4.250.0170.00617.76
7.4.240.0170.00517.72
7.4.230.0160.00617.62
7.4.220.0150.00517.50
7.4.210.0150.00517.51
7.4.200.0160.00417.58
7.4.190.0150.00517.53
7.4.180.0150.00417.59
7.4.160.0140.00517.54
7.4.150.0130.00617.46
7.4.140.0150.00617.42
7.4.130.0150.00517.45
7.4.120.0140.00617.39
7.4.110.0150.00517.35
7.4.100.0140.00617.46
7.4.90.0140.00617.41
7.4.80.0140.00517.36
7.4.70.0140.00617.37
7.4.60.0140.00617.35
7.4.50.0150.00617.31
7.4.40.0140.00617.37
7.4.30.0140.00617.36
7.4.20.0150.00617.35
7.4.10.0150.00517.42
7.4.00.0140.00617.37
7.3.330.0190.00417.63
7.3.320.0170.00617.51
7.3.310.0160.00517.55
7.3.300.0160.00517.48
7.3.290.0150.00517.39
7.3.280.0150.00617.37
7.3.270.0160.00417.37
7.3.260.0150.00517.39
7.3.250.0150.00517.34
7.3.240.0130.00617.34
7.3.230.0140.00617.34
7.3.220.0170.00517.28
7.3.210.0170.00417.30
7.3.200.0160.00417.30
7.3.190.0160.00517.28
7.3.180.0160.00517.28
7.3.170.0150.00617.30
7.3.160.0160.00517.32
7.3.150.0140.00617.29
7.3.140.0150.00617.29
7.3.130.0140.00617.36
7.3.120.0140.00617.30
7.3.110.0160.00517.26
7.3.100.0150.00517.29
7.3.90.0160.00517.52
7.3.80.0160.00417.34
7.3.70.0150.00417.33
7.3.60.0160.00517.37
7.3.50.0160.00517.41
7.3.40.0140.00617.39
7.3.30.0160.00517.44
7.3.20.0160.00618.57
7.3.10.0150.00618.52
7.3.00.0170.00418.52

preferences:
51.39 ms | 1393 KiB | 5 Q