3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public function __construct(public &$a) {} } $foo = 42; $a = new A($foo); var_dump($a); $foo = 101; var_dump($a);

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)
8.5.00.0080.01219.91
8.4.150.0010.00114.05
8.4.140.0130.00717.45
8.4.130.0060.00417.67
8.4.120.0100.00920.70
8.4.110.0040.00522.58
8.4.100.0090.01217.46
8.4.90.0040.00618.63
8.4.80.0050.00318.97
8.4.70.0100.00518.06
8.4.60.0060.00318.67
8.4.50.0040.01318.57
8.4.40.0060.00317.50
8.4.30.0090.01020.85
8.4.20.0110.01124.25
8.4.10.0060.00923.66
8.3.280.0130.00818.18
8.3.270.0130.00616.60
8.3.260.0120.00616.61
8.3.250.0120.00418.84
8.3.240.0120.00716.41
8.3.230.0080.00316.49
8.3.220.0110.00717.08
8.3.210.0110.00816.68
8.3.200.0040.00416.74
8.3.190.0090.01118.80
8.3.180.0150.00516.58
8.3.170.0040.01118.88
8.3.160.0100.01018.93
8.3.150.0100.01017.05
8.3.140.0050.00316.85
8.3.130.0040.00416.60
8.3.120.0060.00318.82
8.3.110.0080.00016.48
8.3.100.0000.01116.64
8.3.90.0000.00826.77
8.3.80.0030.00617.97
8.3.70.0070.01416.50
8.3.60.0100.01316.75
8.3.50.0090.00616.84
8.3.40.0150.00620.07
8.3.30.0060.00918.50
8.3.20.0040.00424.18
8.3.10.0070.00024.66
8.3.00.0040.00426.16
8.2.290.0130.00720.34
8.2.280.0080.00919.92
8.2.270.0070.01017.08
8.2.260.0070.00318.50
8.2.250.0050.00318.26
8.2.240.0130.00316.73
8.2.230.0040.00420.94
8.2.220.0030.01224.06
8.2.210.0040.00426.77
8.2.200.0030.00818.16
8.2.190.0120.00316.58
8.2.180.0060.01516.50
8.2.170.0070.00718.96
8.2.160.0070.00722.96
8.2.150.0080.00025.66
8.2.140.0070.00024.66
8.2.130.0000.00726.16
8.2.120.0080.00026.16
8.2.110.0050.00521.03
8.2.100.0070.00417.59
8.2.90.0060.00317.84
8.2.80.0050.00318.03
8.2.70.0050.00317.38
8.2.60.0040.00417.50
8.2.50.0030.00517.55
8.2.40.0130.00317.62
8.2.30.0160.00017.62
8.2.20.0100.00517.62
8.2.10.0120.00517.62
8.2.00.0050.01017.62
8.1.330.0130.00621.86
8.1.320.0090.01016.19
8.1.310.0080.00018.33
8.1.300.0110.00818.42
8.1.290.0040.00830.84
8.1.280.0140.00025.92
8.1.270.0030.01024.66
8.1.260.0110.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00322.47
8.1.230.0110.00020.80
8.1.220.0040.00417.74
8.1.210.0040.00418.89
8.1.200.0040.00417.22
8.1.190.0040.00417.10
8.1.180.0030.00618.10
8.1.170.0110.00517.62
8.1.160.0100.00617.62
8.1.150.0130.00417.62
8.1.140.0160.00017.62
8.1.130.0070.01017.62
8.1.120.0120.00417.62
8.1.110.0140.00317.62
8.1.100.0140.00417.62
8.1.90.0110.00417.62
8.1.80.0000.01717.62
8.1.70.0100.00717.62
8.1.60.0140.00317.62
8.1.50.0170.00017.62
8.1.40.0090.00917.62
8.1.30.0110.00717.62
8.1.20.0190.00017.62
8.1.10.0180.00017.62
8.1.00.0110.01117.62
8.0.300.0020.00519.90
8.0.290.0030.00516.63
8.0.280.0130.00317.62
8.0.270.0140.00317.62
8.0.260.0130.00317.62
8.0.250.0130.00417.62
8.0.240.0170.00017.62
8.0.230.0130.00317.62
8.0.220.0080.00817.62
8.0.210.0140.00417.62
8.0.200.0130.00317.62
8.0.190.0140.00317.62
8.0.180.0090.00917.62
8.0.170.0110.00517.62
8.0.160.0120.00417.62
8.0.150.0070.01017.62
8.0.140.0120.00417.62
8.0.130.0100.00717.62
8.0.120.0130.00317.62
8.0.110.0050.01017.62
8.0.100.0140.00217.62
8.0.90.0130.00417.62
8.0.80.0110.00717.62
8.0.70.0080.00817.62
8.0.60.0140.00317.62
8.0.50.0130.00417.62
8.0.30.0070.01017.62
8.0.20.0090.00917.62
8.0.10.0160.00017.62

preferences:
29.86 ms | 403 KiB | 5 Q