3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo{ private $that; function __construct(){ $this->that = $this; } function __destruct(){ echo "destruct\n"; } } (function(){ $x = new Foo(); })(); gc_collect_cycles(); echo "wat";

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)
8.5.30.0130.00520.15
8.5.20.0090.01020.21
8.5.10.0090.00720.38
8.5.00.0160.00519.84
8.4.180.0100.01125.47
8.4.170.0120.01123.82
8.4.160.0130.00923.87
8.4.150.0060.00716.87
8.4.140.0140.00717.86
8.4.130.0120.00817.94
8.4.120.0090.01122.35
8.4.110.0120.00822.41
8.4.100.0120.00417.59
8.4.90.0100.01117.60
8.4.80.0090.00817.97
8.4.70.0060.00217.70
8.4.60.0140.00717.50
8.4.50.0170.00720.14
8.4.40.0100.00717.58
8.4.30.0120.00319.57
8.4.20.0160.00619.42
8.4.10.0120.00319.27
8.3.300.0100.01022.68
8.3.290.0120.00922.60
8.3.280.0130.00818.21
8.3.270.0120.00716.73
8.3.260.0050.00416.77
8.3.250.0130.00619.09
8.3.240.0100.00916.76
8.3.230.0100.01116.76
8.3.220.0110.00817.36
8.3.210.0080.00616.59
8.3.200.0060.00216.51
8.3.190.0140.00516.46
8.3.180.0060.00418.43
8.3.170.0070.01119.13
8.3.160.0110.00718.39
8.3.150.0100.00718.72
8.3.140.0060.00317.17
8.3.130.0050.00318.45
8.3.120.0000.00819.00
8.3.110.0150.00020.94
8.3.100.0090.00018.59
8.3.90.0040.00426.77
8.3.80.0090.00017.97
8.3.70.0130.00918.43
8.3.60.0130.00316.63
8.3.50.0270.01021.87
8.3.40.0070.00718.79
8.3.30.0150.00418.49
8.3.20.0070.00019.41
8.3.10.0040.00421.65
8.3.00.0050.00319.25
8.2.300.0130.00818.21
8.2.290.0070.00420.56
8.2.280.0060.00216.70
8.2.270.0060.00317.04
8.2.260.0140.00416.63
8.2.250.0040.00416.69
8.2.240.0030.00618.87
8.2.230.0040.00422.58
8.2.220.0070.00324.06
8.2.210.0070.00326.77
8.2.200.0070.00318.41
8.2.190.0040.01116.58
8.2.180.0090.00918.18
8.2.170.0070.00722.96
8.2.160.0080.00619.21
8.2.150.0080.00024.18
8.2.140.0090.00024.66
8.2.130.0040.00418.03
8.2.120.0000.00726.35
8.2.110.0030.00720.99
8.2.100.0110.00017.72
8.2.90.0030.00618.03
8.2.80.0000.00817.97
8.2.70.0030.00517.93
8.2.60.0000.00818.09
8.2.50.0060.00318.10
8.2.40.0050.00320.42
8.2.30.0060.00319.16
8.2.20.0030.00517.94
8.2.10.0000.00717.97
8.2.00.0040.00417.69
8.1.340.0080.01019.82
8.1.330.0120.00716.70
8.1.320.0050.00516.05
8.1.310.0070.00718.22
8.1.300.0070.00416.37
8.1.290.0000.00930.84
8.1.280.0090.00925.92
8.1.270.0090.00020.43
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0030.00622.04
8.1.230.0040.00822.58
8.1.220.0060.01117.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0040.00417.52
8.1.180.0060.00318.10
8.1.170.0080.00020.75
8.1.160.0000.00718.84
8.1.150.0040.00420.18
8.1.140.0000.00719.53
8.1.130.0000.00719.03
8.1.120.0000.00717.48
8.1.110.0040.00417.34
8.1.100.0050.00317.42
8.1.90.0050.00317.34
8.1.80.0000.00717.48
8.1.70.0000.00717.34
8.1.60.0040.00417.49
8.1.50.0090.00017.53
8.1.40.0040.00417.48
8.1.30.0080.00017.63
8.1.20.0060.00317.69
8.1.10.0000.00717.66
8.1.00.0040.00417.40
8.0.300.0000.00819.98
8.0.290.0060.00316.75
8.0.280.0040.00418.44
8.0.270.0060.00316.75
8.0.260.0130.00017.17
8.0.250.0030.00316.91
8.0.240.0060.00016.72
8.0.230.0030.00616.92
8.0.220.0070.00016.88
8.0.210.0000.00816.73
8.0.200.0060.00317.01
8.0.190.0030.00316.95
8.0.180.0000.00816.94
8.0.170.0000.00716.90
8.0.160.0050.00216.88
8.0.150.0070.00016.79
8.0.140.0040.00416.89
8.0.130.0030.00313.26
8.0.120.0050.00316.86
8.0.110.0050.00317.00
8.0.100.0000.00816.79
8.0.90.0080.00016.88
8.0.80.0060.01116.93
8.0.70.0040.00416.95
8.0.60.0070.00016.69
8.0.50.0040.00416.93
8.0.30.0090.00916.92
8.0.20.0140.00617.40
8.0.10.0020.00516.83
8.0.00.0040.01316.92
7.4.330.0000.00415.55
7.4.320.0000.00716.52
7.4.300.0060.00016.50
7.4.290.0050.00316.49
7.4.280.0070.00016.44
7.4.270.0070.00016.59
7.4.260.0000.00816.44
7.4.250.0000.00716.61
7.4.240.0070.00016.49
7.4.230.0030.00316.58
7.4.220.0110.00716.54
7.4.210.0150.00616.44
7.4.200.0000.00916.31
7.4.160.0050.01216.53
7.4.150.0110.00717.40
7.4.140.0060.01117.86
7.4.130.0090.00716.47
7.4.120.0100.00916.37
7.4.110.0110.00616.61
7.4.100.0180.01916.55
7.4.90.0100.00716.50
7.4.80.0120.01219.39
7.4.70.0060.01016.55
7.4.60.0080.00816.60
7.4.50.0070.00716.26
7.4.40.0160.00616.64
7.4.30.0160.00016.52
7.4.00.0000.01514.82
7.3.330.0000.00613.37
7.3.320.0050.00013.32
7.3.310.0070.00016.34
7.3.300.0000.00816.31
7.3.290.0070.00816.28
7.3.280.0090.01016.31
7.3.270.0070.01117.40
7.3.260.0120.00816.29
7.3.250.0090.00916.42
7.3.240.0070.01116.48
7.3.230.0110.00716.41
7.3.210.0030.01316.37
7.3.200.0040.01919.39
7.3.190.0060.01216.61
7.3.180.0060.00916.37
7.3.170.0100.01316.52
7.3.160.0100.00716.46
7.2.330.0120.00916.70
7.2.320.0170.00416.41
7.2.310.0100.00616.92
7.2.300.0110.01116.63
7.2.290.0170.00016.75
7.2.60.0030.01016.85
7.2.00.0100.00019.61
7.1.200.0040.00715.71
7.1.100.0000.01518.05
7.1.70.0000.00817.13
7.1.60.0120.00617.25
7.1.50.0080.00316.98
7.1.00.0120.05322.61
7.0.200.0000.00816.67
7.0.140.0070.05722.12
7.0.130.0100.05322.11
7.0.120.0070.05321.95
7.0.110.0070.05721.95
7.0.100.0070.05321.93
7.0.90.0100.05322.19
7.0.80.0070.05322.02
7.0.70.0070.05322.12
7.0.60.0070.05722.11
7.0.50.0100.05021.99
7.0.40.0130.07022.00
7.0.30.0130.07722.11
7.0.20.0100.05322.15
7.0.10.0100.05322.12
7.0.00.0100.05021.98
5.6.290.0070.05320.99
5.6.280.0070.05720.92
5.6.270.0130.04721.08
5.6.260.0200.04021.12
5.6.250.0100.05020.93
5.6.240.0030.06020.98
5.6.230.0030.06020.98
5.6.220.0070.05321.11
5.6.210.0170.07021.08
5.6.200.0100.05321.06
5.6.190.0070.05721.04
5.6.180.0070.06321.03
5.6.170.0030.06020.86
5.6.160.0100.05720.92
5.6.150.0100.05720.92
5.6.140.0070.06721.04
5.6.130.0130.04720.88
5.6.120.0130.05320.82
5.6.110.0100.07320.98
5.6.100.0030.06021.04
5.6.90.0000.06020.90
5.6.80.0000.08020.20
5.6.70.0100.05020.46
5.6.60.0130.07320.45
5.6.50.0000.08720.25
5.6.40.0070.05020.43
5.6.30.0100.05020.42
5.6.20.0070.06020.40
5.6.10.0070.05320.21
5.6.00.0130.04720.48

preferences:
80.21 ms | 1524 KiB | 5 Q