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)
8.4.130.0430.00617.46
8.4.40.0380.01217.55
8.4.30.0380.00917.39
8.4.20.0230.01017.58
8.4.10.0380.01217.35
8.3.170.0330.01116.37
8.3.160.0400.00716.47
8.3.150.0410.00616.28
8.3.140.0340.01116.33
8.3.130.0270.01116.36
8.3.120.0280.00716.60
8.3.110.0290.00716.43
8.3.100.0240.00826.99
8.3.90.0330.01016.60
8.3.80.0320.00716.40
8.3.70.0320.00916.63
8.3.60.0310.00716.83
8.3.50.0330.00716.82
8.3.40.0300.00717.66
8.3.30.0250.00617.32
8.3.20.0240.00617.15
8.3.10.0220.00917.33
8.3.00.0120.00818.00
8.2.270.0250.00316.50
8.2.260.0260.00616.27
8.2.250.0270.00616.30
8.2.240.0250.00416.32
8.2.230.0270.00616.33
8.2.220.0300.00516.37
8.2.210.0280.00816.29
8.2.200.0310.00716.32
8.2.190.0290.00816.30
8.2.180.0300.00516.46
8.2.170.0330.00717.42
8.2.160.0310.00717.79
8.2.150.0310.00517.36
8.2.140.0240.00817.54
8.2.130.0350.00517.17
8.2.120.0290.00617.38
8.2.110.0240.00718.46
8.2.100.0280.00617.78
8.2.90.0300.00717.46
8.2.80.0290.00717.29
8.2.70.0180.00744.81
8.2.60.0210.00717.23
8.2.50.0200.00617.74
8.2.40.0250.00717.37
8.2.30.0210.00717.29
8.2.20.0220.00317.48
8.2.10.0170.00717.82
8.2.00.0160.00517.98
8.1.310.0270.00616.02
8.1.300.0200.01215.98
8.1.290.0250.00815.99
8.1.280.0250.00716.25
8.1.270.0270.00517.37
8.1.260.0240.00817.12
8.1.250.0260.01017.01
8.1.240.0300.00217.02
8.1.230.0280.00616.99
8.1.220.0280.00517.01
8.1.210.0230.00817.09
8.1.200.0230.00617.03
8.1.190.0220.00816.94
8.1.180.0200.00717.01
8.1.170.0210.00717.09
8.1.160.0280.00517.08
8.1.150.0210.00917.15
8.1.140.0210.00717.36
8.1.130.0200.00817.14
8.1.120.0170.00817.33
8.1.110.0170.00917.33
8.1.100.0180.00717.40
8.1.90.0120.00817.34
8.1.80.0190.00517.35
8.1.70.0170.00417.29
8.1.60.0180.00617.69
8.1.50.0180.00717.36
8.1.40.0190.00217.43
8.1.30.0150.00617.50
8.1.20.0130.00517.46
8.1.10.0180.00717.37
8.1.00.0200.00617.29
8.0.300.0290.00616.33
8.0.290.0290.00716.37
8.0.280.0250.00816.52
8.0.270.0210.00816.57
8.0.260.0230.00616.89
8.0.250.0190.00517.09
8.0.240.0180.00716.86
8.0.230.0180.00716.86
8.0.220.0200.00616.78
8.0.210.0170.00616.80
8.0.200.0150.00716.81
8.0.190.0180.00816.84
8.0.180.0180.00816.81
8.0.170.0190.00717.04
8.0.160.0200.00616.88
8.0.150.0200.00616.79
8.0.140.0180.00616.80
8.0.130.0160.00516.78
8.0.120.0190.00616.74
8.0.110.0180.00616.75
8.0.100.0220.00316.78
8.0.90.0130.00516.72
8.0.80.0150.00616.77
8.0.70.0150.00716.89
8.0.60.0160.00616.75
8.0.50.0160.00616.72
8.0.30.0180.00716.87
8.0.20.0180.00616.85
8.0.10.0160.00516.85
8.0.00.0130.00616.92
7.4.330.0200.00616.12
7.4.320.0200.00516.48
7.4.300.0170.00616.63
7.4.290.0200.00616.49
7.4.280.0190.00616.50
7.4.270.0200.00516.67
7.4.260.0170.00516.46
7.4.250.0190.00616.45
7.4.240.0210.00416.58
7.4.230.0190.00516.39
7.4.220.0170.00516.46
7.4.210.0150.00616.60
7.4.200.0180.00416.40
7.4.190.0150.00616.54
7.4.180.0160.00716.50
7.4.160.0170.00616.44
7.4.150.0170.00516.40
7.4.140.0180.00516.32
7.4.130.0170.00616.36
7.4.120.0160.00616.27
7.4.110.0160.00616.34
7.4.100.0160.00616.39
7.4.90.0150.00716.28
7.4.80.0160.00616.34
7.4.70.0160.00616.32
7.4.60.0150.00616.32
7.4.50.0170.00516.41
7.4.40.0170.00616.28
7.4.30.0150.00716.35
7.4.20.0150.00616.27
7.4.10.0170.00416.26
7.4.00.0150.00616.35
7.3.330.0190.00516.31
7.3.320.0180.00516.31
7.3.310.0180.00516.29
7.3.300.0180.00516.29
7.3.290.0160.00616.27
7.3.280.0160.00616.32
7.3.270.0160.00616.28
7.3.260.0180.00416.26
7.3.250.0160.00716.30
7.3.240.0190.00416.29
7.3.230.0170.00516.28
7.3.220.0210.00316.25
7.3.210.0140.00616.41
7.3.200.0160.00316.41
7.3.190.0170.00516.38
7.3.180.0170.00516.37
7.3.170.0190.00416.23
7.3.160.0170.00616.26
7.3.150.0180.00516.19
7.3.140.0150.00716.26
7.3.130.0170.00616.19
7.3.120.0180.00516.20
7.3.110.0140.00616.21
7.3.100.0150.00516.32
7.3.90.0170.00616.41
7.3.80.0150.00516.24
7.3.70.0180.00416.42
7.3.60.0140.00516.31
7.3.50.0140.00616.30
7.3.40.0160.00516.47
7.3.30.0150.00616.29
7.3.20.0160.00717.42
7.3.10.0190.00417.47
7.3.00.0170.00517.48

preferences:
179.35 ms | 1005 KiB | 7 Q