3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { private $bar = 10; } $foo = new Foo; var_dump(isset($foo->bar));

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)
8.4.120.0130.00620.58
8.4.110.0050.00422.63
8.4.100.0070.00118.70
8.4.90.0110.00918.83
8.4.80.0100.01018.91
8.4.70.0110.00818.13
8.4.60.0140.00618.88
8.4.50.0070.01018.78
8.4.40.0030.01618.65
8.4.30.0160.00318.99
8.4.20.0070.01119.72
8.4.10.0060.00319.10
8.3.250.0090.00719.00
8.3.240.0110.00816.95
8.3.230.0130.00716.55
8.3.220.0050.00318.64
8.3.210.0110.00616.55
8.3.200.0030.00616.64
8.3.190.0140.00517.21
8.3.180.0050.00517.10
8.3.170.0120.00620.72
8.3.160.0060.01217.17
8.3.150.0120.00616.92
8.3.140.0040.00416.32
8.3.130.0070.00716.57
8.3.120.0080.00018.74
8.3.110.0060.00320.94
8.3.100.0090.00024.06
8.3.90.0150.00326.77
8.3.80.0040.00416.75
8.3.70.0100.01316.58
8.3.60.0110.00517.00
8.3.50.0120.00921.99
8.3.40.0240.01217.11
8.3.30.0240.00917.25
8.3.20.0240.00917.35
8.3.10.0280.00317.25
8.3.00.0230.01017.38
8.2.290.0040.00420.51
8.2.280.0050.00418.17
8.2.270.0110.00419.25
8.2.260.0070.00018.36
8.2.250.0090.00018.39
8.2.240.0150.00318.78
8.2.230.0080.00022.58
8.2.220.0060.00937.54
8.2.210.0060.00326.77
8.2.200.0030.00618.16
8.2.190.0040.01116.58
8.2.180.0090.00616.13
8.2.170.0200.02017.50
8.2.160.0340.00917.49
8.2.150.0290.00617.00
8.2.140.0250.00717.25
8.2.130.0340.00417.38
8.2.120.0360.00317.25
8.2.110.0270.00817.13
8.2.100.0220.01117.37
8.2.90.0330.00717.25
8.2.80.0310.00717.36
8.2.70.0250.00617.13
8.2.60.0210.01217.00
8.2.50.0290.00417.25
8.2.40.0260.01117.48
8.2.30.0260.01116.99
8.2.20.0290.00417.13
8.2.10.0230.00817.13
8.2.00.0240.00817.13
8.1.330.0120.00621.87
8.1.320.0120.00716.32
8.1.310.0150.00418.56
8.1.300.0080.00020.22
8.1.290.0030.00630.84
8.1.280.0040.01125.92
8.1.270.0270.00616.85
8.1.260.0210.01717.00
8.1.250.0320.00417.25
8.1.240.0260.00416.99
8.1.230.0260.00316.99
8.1.220.0240.00716.85
8.1.210.0360.00416.86
8.1.200.0170.01317.22
8.1.190.0190.01217.00
8.1.180.0220.00716.75
8.1.170.0230.00716.88
8.1.160.0240.00717.00
8.1.150.0240.00817.13
8.1.140.0230.00416.98
8.1.130.0280.00016.96
8.1.120.0210.01017.13
8.1.110.0260.00617.13
8.1.100.0260.00417.13
8.1.90.0030.01417.13
8.1.80.0140.00317.10
8.1.70.0090.00917.13
8.1.60.0170.00017.11
8.1.50.0100.00717.21
8.1.40.0100.00717.25
8.1.30.0140.00317.38
8.1.20.0070.01017.25
8.1.10.0000.01717.38
8.1.00.0130.00416.88

preferences:
31.37 ms | 403 KiB | 5 Q