3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { public self $prop; } class B extends A { public parent $prop; } $a = new A(); $a_prop = new A(); $a->prop = $a_prop; var_dump($a); $b = new B(); $b_prop = new B(); $b->prop = $b_prop; var_dump($b);

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)
8.5.30.0130.00519.20
8.5.20.0080.01020.24
8.5.10.0130.00616.50
8.5.00.0090.01221.57
8.4.180.0140.01019.67
8.4.170.0140.00720.72
8.4.160.0140.01021.36
8.4.150.0070.00716.80
8.4.140.0090.01117.68
8.4.130.0080.01319.54
8.4.120.0140.00620.54
8.4.110.0100.01022.39
8.4.100.0130.00918.69
8.4.90.0090.00618.96
8.4.80.0040.00418.78
8.4.70.0130.00917.62
8.4.60.0140.00718.70
8.4.50.0040.00418.86
8.4.40.0040.00417.89
8.4.30.0100.01018.60
8.4.20.0130.00319.80
8.4.10.0050.00320.48
8.3.300.0110.01120.76
8.3.290.0130.00820.84
8.3.280.0130.01120.84
8.3.270.0110.00916.67
8.3.260.0090.01116.50
8.3.250.0100.00818.72
8.3.240.0110.00516.89
8.3.230.0090.00616.62
8.3.220.0140.00619.08
8.3.210.0100.01016.48
8.3.200.0050.00416.73
8.3.190.0090.00917.01
8.3.180.0130.00617.03
8.3.170.0070.01119.02
8.3.160.0140.00417.18
8.3.150.0070.01119.22
8.3.140.0030.00518.41
8.3.130.0090.00316.66
8.3.120.0080.00019.16
8.3.110.0090.00020.94
8.3.100.0050.00324.06
8.3.90.0080.00026.77
8.3.80.0040.00419.36
8.3.70.0090.00618.43
8.3.60.0030.01016.63
8.3.50.0130.00524.53
8.3.40.0110.00719.08
8.3.30.0040.01118.70
8.3.20.0040.00424.18
8.3.10.0050.00324.66
8.3.00.0040.00426.16
8.2.300.0120.01122.21
8.2.290.0120.00620.45
8.2.280.0040.00418.43
8.2.270.0070.01116.94
8.2.260.0040.00416.54
8.2.250.0040.00418.25
8.2.240.0040.00418.17
8.2.230.0060.00322.58
8.2.220.0120.00337.54
8.2.210.0030.00626.77
8.2.200.0120.00018.88
8.2.190.0110.00716.63
8.2.180.0110.00425.92
8.2.170.0040.01122.96
8.2.160.0120.00322.96
8.2.150.0050.00325.66
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0030.00526.35
8.2.110.0100.00722.31
8.2.100.0090.00317.66
8.2.90.0040.00417.61
8.2.80.0040.00418.80
8.2.70.0000.01117.50
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0090.00019.82
8.2.30.0050.00217.91
8.2.20.0000.00717.87
8.2.10.0000.00819.24
8.2.00.0040.00419.18
8.1.340.0040.00617.61
8.1.330.0090.01021.98
8.1.320.0130.00615.93
8.1.310.0100.00716.68
8.1.300.0140.00016.51
8.1.290.0050.00530.84
8.1.280.0070.01425.92
8.1.270.0080.00023.99
8.1.260.0070.00028.09
8.1.250.0070.00028.09
8.1.240.0090.00020.22
8.1.230.0030.00717.70
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0030.00717.23
8.1.190.0060.00317.22
8.1.180.0000.00818.10
8.1.170.0030.00518.56
8.1.160.0070.00018.82
8.1.150.0000.00718.88
8.1.140.0050.00218.78
8.1.130.0000.00920.11
8.1.120.0040.00417.31
8.1.110.0050.00317.38
8.1.100.0000.00717.43
8.1.90.0000.00717.46
8.1.80.0060.00317.30
8.1.70.0000.00717.41
8.1.60.0000.00817.52
8.1.50.0000.00817.48
8.1.40.0040.00417.49
8.1.30.0040.00417.65
8.1.20.0030.00617.43
8.1.10.0000.00817.62
8.1.00.0000.00817.52
8.0.300.0000.00718.89
8.0.290.0070.00016.75
8.0.280.0080.00020.12
8.0.270.0030.00617.90
8.0.260.0030.00520.08
8.0.250.0060.00316.78
8.0.240.0040.00416.91
8.0.230.0040.00416.86
8.0.220.0000.00716.84
8.0.210.0080.00016.85
8.0.200.0000.00616.73
8.0.190.0040.00416.88
8.0.180.0040.00416.76
8.0.170.0000.00916.88
8.0.160.0000.00716.89
8.0.150.0040.00416.67
8.0.140.0000.00716.61
8.0.130.0000.00513.20
8.0.120.0050.00316.68
8.0.110.0000.00716.80
8.0.100.0040.00416.82
8.0.90.0040.00416.83
8.0.80.0080.00616.72
8.0.70.0000.00816.77
8.0.60.0080.00016.94
8.0.50.0070.00016.65
8.0.30.0090.00916.81
8.0.20.0110.00716.96
8.0.10.0040.00417.01
8.0.00.0180.00716.74
7.4.330.0000.00515.55
7.4.320.0030.00316.52
7.4.300.0000.00716.54
7.4.290.0070.00016.53
7.4.280.0030.00516.44
7.4.270.0030.00316.46
7.4.260.0000.00513.16
7.4.250.0000.00716.45
7.4.240.0050.00316.42
7.4.230.0040.00416.34
7.4.220.0000.00716.40
7.4.210.0100.00716.47
7.4.200.0050.00416.34
7.4.130.0120.00616.36
7.4.120.0110.00816.24
7.4.110.0070.01016.35
7.4.100.0070.01016.53
7.4.90.0080.00816.40
7.4.80.0000.02119.39
7.4.70.0080.00816.38
7.4.60.0170.00316.08
7.4.50.0100.00716.04
7.4.40.0060.01016.18
7.4.30.0130.00516.13
7.4.20.0110.00416.13
7.4.10.0080.00816.21
7.4.00.0130.00316.40
7.3.330.0030.00316.21
7.3.320.0000.00612.98
7.3.310.0000.00716.00
7.3.300.0040.00416.16
7.3.290.0070.00916.16
7.3.260.0120.01516.30
7.3.240.0090.00916.37
7.3.230.0150.00716.26
7.3.210.0100.00716.29
7.3.200.0120.00316.21
7.3.190.0160.00716.16
7.3.180.0030.01216.03
7.3.170.0120.00416.16
7.3.160.0040.01215.98
7.3.150.0120.00416.39
7.3.140.0090.00616.06
7.3.130.0140.00516.20
7.3.120.0120.00316.18
7.3.110.0040.01216.25
7.3.100.0120.00415.97
7.3.90.0070.00716.16
7.3.80.0060.00916.14
7.3.70.0100.00516.28
7.3.60.0110.00416.09
7.3.50.0090.00616.05
7.3.40.0060.00916.27
7.3.30.0070.00716.13
7.3.20.0090.01216.37
7.3.10.0040.01116.21
7.3.00.0030.01316.21
7.2.330.0110.00616.42
7.2.310.0070.00716.27
7.2.300.0040.01516.27
7.2.290.0170.00016.42
7.2.280.0090.00616.31
7.2.270.0090.00916.29
7.2.260.0100.01016.39
7.2.250.0130.00316.29
7.2.240.0130.00316.34
7.2.230.0060.01016.45
7.2.220.0140.00416.21
7.2.210.0130.00416.00
7.2.200.0090.00916.26
7.2.190.0100.00616.16
7.2.180.0030.01316.32
7.2.170.0120.00316.42
7.2.160.0130.00916.39
7.2.150.0060.00916.38
7.2.140.0000.01516.44
7.2.130.0060.01016.37
7.2.120.0070.01416.32
7.2.110.0040.01416.51
7.2.100.0110.00716.26
7.2.90.0120.00416.18
7.2.80.0100.00716.23
7.2.70.0050.01216.26
7.2.60.0090.00916.19
7.2.50.0070.01016.07
7.2.40.0070.01016.17
7.2.30.0060.00916.35
7.2.20.0040.01216.29
7.2.10.0130.01016.23
7.2.00.0140.00816.43

preferences:
69.22 ms | 1509 KiB | 5 Q