3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function __construct( public DateTime $bar ) {} public function __clone () { $this->bar = clone $this->bar; } } $f = new Foo(new Datetime()); var_dump($f); var_dump(clone $f);

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)
8.4.120.0030.00520.67
8.4.110.0130.00822.61
8.4.100.0090.00518.04
8.4.90.0130.00718.20
8.4.80.0130.00617.99
8.4.70.0140.00217.94
8.4.60.0130.00817.84
8.4.50.0110.00919.64
8.4.40.0130.00719.64
8.4.30.0170.00318.91
8.4.20.0130.00718.10
8.4.10.0100.00723.59
8.3.250.0120.00618.79
8.3.240.0070.00216.61
8.3.230.0080.00516.50
8.3.220.0130.00317.23
8.3.210.0080.01116.75
8.3.200.0140.00516.57
8.3.190.0100.01116.65
8.3.180.0120.00618.77
8.3.170.0110.00717.17
8.3.160.0170.00316.71
8.3.150.0110.00716.97
8.3.140.0080.00016.69
8.3.130.0030.00716.68
8.3.120.0060.00318.99
8.3.110.0080.00018.53
8.3.100.0060.00318.45
8.3.90.0000.00826.77
8.3.80.0000.00916.75
8.3.70.0110.00416.63
8.3.60.0030.01316.63
8.3.50.0110.00420.29
8.3.40.0000.01420.19
8.3.30.0100.00718.96
8.3.20.0040.00424.18
8.3.10.0080.00024.66
8.3.00.0080.00026.16
8.2.290.0100.01020.48
8.2.280.0070.00818.61
8.2.270.0050.00318.43
8.2.260.0110.00418.66
8.2.250.0030.00616.59
8.2.240.0030.00617.44
8.2.230.0050.00520.94
8.2.220.0040.00424.06
8.2.210.0060.00326.77
8.2.200.0060.00318.66
8.2.190.0090.00916.75
8.2.180.0100.00725.92
8.2.170.0070.01122.96
8.2.160.0100.01022.96
8.2.150.0000.00725.66
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0140.00020.93
8.2.110.0000.00822.08
8.2.100.0100.00317.59
8.2.90.0000.00817.91
8.2.80.0000.00919.20
8.2.70.0000.00918.05
8.2.60.0030.00717.79
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.05
8.2.20.0070.00020.49
8.2.10.0000.00718.10
8.2.00.0000.00819.24
8.1.330.0050.00416.82
8.1.320.0120.00717.95
8.1.310.0000.00816.90
8.1.300.0040.00418.03
8.1.290.0030.00630.84
8.1.280.0150.00325.92
8.1.270.0000.00824.66
8.1.260.0030.00626.35
8.1.250.0090.00028.09
8.1.240.0090.00622.20
8.1.230.0070.00720.96
8.1.220.0000.00817.76
8.1.210.0040.00418.82
8.1.200.0040.00417.50
8.1.190.0030.00617.36
8.1.180.0040.00418.10
8.1.170.0050.00318.70
8.1.160.0050.00218.88
8.1.150.0100.00018.77
8.1.140.0040.00417.57
8.1.130.0070.00017.57
8.1.120.0040.00817.52
8.1.110.0150.00017.61
8.1.100.0120.00317.48
8.1.90.0080.00817.52
8.1.80.0120.00417.45
8.1.70.0130.00317.45
8.1.60.0120.00617.71
8.1.50.0160.00217.61
8.1.40.0120.00617.75
8.1.30.0180.00017.63
8.1.20.0140.00317.60
8.1.10.0080.00817.66
8.1.00.0050.01117.54
8.0.300.0000.00820.06
8.0.290.0030.00716.74
8.0.280.0030.00318.56
8.0.270.0070.00016.93
8.0.260.0040.00416.92
8.0.250.0040.01317.01
8.0.240.0130.00316.95
8.0.230.0100.00717.01
8.0.220.0090.00616.95
8.0.210.0090.00516.95
8.0.200.0110.00416.93
8.0.190.0150.00016.95
8.0.180.0100.00517.00
8.0.170.0070.00717.02
8.0.160.0060.01116.89
8.0.150.0000.01516.99
8.0.140.0070.00716.93
8.0.130.0120.00316.94
8.0.120.0070.01016.90
8.0.110.0150.00016.96
8.0.100.0100.00516.98
8.0.90.0100.00516.82
8.0.80.0150.00016.94
8.0.70.0100.00516.86
8.0.60.0110.00316.79
8.0.50.0070.00717.04
8.0.30.0160.00016.89
8.0.20.0100.00516.92
8.0.10.0080.00617.00
7.4.330.0120.00214.29
7.4.320.0150.00016.25
7.4.300.0050.01016.23
7.4.290.0130.00316.25
7.4.280.0100.00516.31
7.4.270.0110.00616.31
7.4.260.0140.00316.29
7.4.250.0180.00016.19
7.4.240.0000.01516.16
7.4.230.0100.00516.35
7.4.220.0050.00916.26
7.4.210.0070.00716.25
7.4.200.0080.00616.23
7.4.190.0100.00316.19
7.4.180.0140.00016.32
7.4.160.0090.00616.31
7.4.150.0100.00316.25
7.4.140.0080.00616.12
7.4.130.0080.00516.23
7.4.120.0050.00516.02
7.4.110.0120.00216.11
7.4.100.0100.00316.16
7.4.90.0090.00415.98
7.4.80.0040.00716.12
7.4.70.0070.00318.04
7.4.60.0030.00617.93
7.4.50.0000.00817.85
7.4.40.0050.00317.75
7.4.30.0080.00017.92
7.4.20.0020.00517.91
7.4.10.0000.00717.97
7.4.00.0080.00018.01

preferences:
28.52 ms | 403 KiB | 5 Q