3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { final protected function __clone() {} } class B extends A { // this should probably not be legal function copy() { return clone $this; } } var_dump((new B)->copy());

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)
8.3.60.0110.00416.63
8.3.50.0150.00318.11
8.3.40.0040.01118.36
8.3.30.0070.00718.53
8.3.20.0040.00424.18
8.3.10.0040.00424.66
8.3.00.0000.00826.16
8.2.180.0110.00425.92
8.2.170.0070.00718.79
8.2.160.0070.00722.96
8.2.150.0040.00825.66
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0040.00426.35
8.2.110.0070.00420.47
8.2.100.0110.00017.72
8.2.90.0080.00019.11
8.2.80.0060.00317.97
8.2.70.0000.00817.38
8.2.60.0000.00917.78
8.2.50.0030.00518.07
8.2.40.0090.00019.75
8.2.30.0000.00817.92
8.2.20.0040.00418.00
8.2.10.0050.00319.11
8.2.00.0040.00419.11
8.1.280.0090.00925.92
8.1.270.0000.00823.99
8.1.260.0080.00028.09
8.1.250.0050.00328.09
8.1.240.0060.00323.90
8.1.230.0040.00823.68
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0030.00617.35
8.1.190.0000.00917.22
8.1.180.0040.00418.10
8.1.170.0000.00818.42
8.1.160.0040.00418.76
8.1.150.0000.00718.67
8.1.140.0040.00418.75
8.1.130.0000.00720.01
8.1.120.0040.00417.38
8.1.110.0070.00017.22
8.1.100.0040.00417.29
8.1.90.0000.00717.36
8.1.80.0000.00817.34
8.1.70.0000.00717.21
8.1.60.0000.00817.41
8.1.50.0000.00717.35
8.1.40.0070.00017.34
8.1.30.0000.00817.46
8.1.20.0050.00317.58
8.1.10.0040.00417.39
8.1.00.0050.00317.38
8.0.300.0040.00418.77
8.0.290.0040.00816.63
8.0.280.0030.00318.30
8.0.270.0040.00418.00
8.0.260.0000.00718.35
8.0.250.0030.00316.80
8.0.240.0030.00516.83
8.0.230.0080.00016.84
8.0.220.0030.00316.77
8.0.210.0070.00016.68
8.0.200.0050.00316.86
8.0.190.0040.00416.85
8.0.180.0000.00716.71
8.0.170.0030.00616.79
8.0.160.0000.00816.66
8.0.150.0040.00416.72
8.0.140.0070.00016.70
8.0.130.0050.00013.19
8.0.120.0080.00016.62
8.0.110.0000.00716.66
8.0.100.0040.00416.70
8.0.90.0080.00016.55
8.0.80.0030.01016.68
8.0.70.0030.00416.76
8.0.60.0050.00316.73
8.0.50.0040.00416.82
8.0.30.0100.00716.82
8.0.20.0150.00616.98
8.0.10.0040.00416.86
8.0.00.0060.01216.71
7.4.330.0020.00215.55
7.4.320.0030.00316.36
7.4.300.0060.00016.35
7.4.290.0070.00016.52
7.4.280.0000.00816.40
7.4.270.0040.00416.34
7.4.260.0060.00013.21
7.4.250.0000.00816.43
7.4.240.0000.00816.46
7.4.230.0000.00716.35
7.4.220.0010.00616.53
7.4.210.0050.00816.52
7.4.200.0070.00016.43
7.4.130.0110.00716.46
7.4.120.0140.01016.44
7.4.110.0150.00316.57
7.4.100.0100.00716.48
7.4.90.0130.00316.32
7.4.80.0140.00819.39
7.4.70.0160.01516.37
7.4.60.0120.00616.47
7.4.50.0030.01516.34
7.4.40.0000.01816.46
7.4.30.0150.00316.37
7.4.20.0030.01616.30
7.4.10.0160.00616.56
7.4.00.0070.01016.39
7.3.330.0000.00716.14
7.3.320.0050.00013.32
7.3.310.0000.00716.14
7.3.300.0030.00316.22
7.3.290.0030.01116.29
7.3.280.0040.01116.29
7.3.260.0140.00316.56
7.3.240.0080.00916.32
7.3.230.0160.00616.21
7.3.210.0080.00816.12
7.3.200.0080.00816.43
7.3.190.0040.01316.18
7.3.180.0090.00916.16
7.3.170.0130.01016.39
7.3.160.0120.01216.29
7.3.150.0140.00516.28
7.3.140.0070.01316.21
7.3.130.0130.00616.56
7.3.120.0140.00416.46
7.3.110.0060.01216.23
7.3.100.0140.00716.46
7.3.90.0000.01716.36
7.3.80.0070.01316.25
7.3.70.0090.00916.43
7.3.60.0040.01316.22
7.3.50.0080.01116.21
7.3.40.0080.00816.26
7.3.30.0000.01716.40
7.3.20.0070.01116.31
7.3.10.0110.00716.31
7.3.00.0100.00716.41
7.2.330.0060.01116.20
7.2.310.0100.01016.17
7.2.300.0090.00916.23
7.2.290.0160.00816.57
7.2.280.0130.00516.68
7.2.270.0060.01216.50
7.2.260.0070.01616.32
7.2.250.0030.01416.35
7.2.240.0140.00816.48
7.2.230.0100.01316.27
7.2.220.0150.00616.51
7.2.210.0110.00716.55
7.2.200.0160.00616.51
7.2.190.0060.01216.46
7.2.180.0000.01816.48
7.2.170.0070.01016.53
7.2.160.0070.01416.59
7.2.150.0040.01416.48
7.2.140.0050.01816.48
7.2.130.0090.00916.60
7.2.120.0140.00616.27
7.2.110.0120.00616.50
7.2.100.0120.00616.48
7.2.90.0160.00316.31
7.2.80.0040.01516.56
7.2.70.0120.00616.40
7.2.60.0030.01616.46
7.2.50.0110.00816.48
7.2.40.0100.00716.56
7.2.30.0190.00716.66
7.2.20.0130.00916.55
7.2.10.0090.01216.47
7.2.00.0060.01516.30

preferences:
31.98 ms | 400 KiB | 5 Q