3v4l.org

run code in 300+ PHP versions simultaneously
<?php function actually_unset(&$var){ $var = null; gc_collect_cycles(); } class Foo{ function __destruct(){ echo "destruct "; } } $var = new Foo; actually_unset($var); 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)
8.3.80.0000.01220.35
8.3.70.0160.00716.58
8.3.60.0070.00716.50
8.3.50.0090.01322.05
8.3.40.0120.00318.63
8.3.30.0140.00018.68
8.3.20.0050.00219.25
8.3.10.0050.00321.85
8.3.00.0080.00019.25
8.2.200.0060.00316.38
8.2.190.0180.00316.63
8.2.180.0090.01216.38
8.2.170.0200.00022.96
8.2.160.0070.00719.32
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0050.00326.16
8.2.120.0040.00420.75
8.2.110.0030.00621.11
8.2.100.0100.00717.75
8.2.90.0040.00417.75
8.2.80.0030.00617.97
8.2.70.0030.00517.92
8.2.60.0000.00818.16
8.2.50.0000.01018.10
8.2.40.0030.00520.55
8.2.30.0000.00719.10
8.2.20.0000.00717.91
8.2.10.0040.00417.97
8.2.00.0040.00417.55
8.1.290.0080.00030.84
8.1.280.0160.00625.92
8.1.270.0000.00720.24
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0040.00423.88
8.1.230.0050.00517.82
8.1.220.0030.00517.76
8.1.210.0050.00518.77
8.1.200.0000.00917.22
8.1.190.0080.00019.01
8.1.180.0000.00718.10
8.1.170.0000.00820.72
8.1.160.0080.00018.73
8.1.150.0040.00420.13
8.1.140.0000.00719.43
8.1.130.0070.00018.93
8.1.120.0040.00417.26
8.1.110.0030.00517.37
8.1.100.0050.00217.37
8.1.90.0030.00417.43
8.1.80.0040.00417.41
8.1.70.0000.00717.40
8.1.60.0000.00817.61
8.1.50.0040.00417.41
8.1.40.0000.00817.50
8.1.30.0000.00817.68
8.1.20.0040.00417.61
8.1.10.0070.00017.59
8.1.00.0060.00317.42
8.0.300.0070.00018.77
8.0.290.0020.00516.63
8.0.280.0030.00318.29
8.0.270.0000.00717.25
8.0.260.0060.00317.11
8.0.250.0070.00016.84
8.0.240.0060.00316.75
8.0.230.0030.00716.77
8.0.220.0040.00416.82
8.0.210.0000.00716.86
8.0.200.0000.00816.96
8.0.190.0080.00016.93
8.0.180.0000.00716.89
8.0.170.0000.00816.88
8.0.160.0000.00716.83
8.0.150.0000.00716.75
8.0.140.0030.00316.67
8.0.130.0050.00313.25
8.0.120.0070.00016.88
8.0.110.0000.00716.89
8.0.100.0000.00716.88
8.0.90.0050.00216.89
8.0.80.0070.00816.83
8.0.70.0070.00016.70
8.0.60.0040.00416.71
8.0.50.0070.00016.86
8.0.30.0100.00717.25
8.0.20.0090.01217.40
8.0.10.0040.00416.84
8.0.00.0030.01316.76
7.4.330.0030.00315.55
7.4.320.0030.00316.43
7.4.300.0030.00316.61
7.4.290.0040.00416.36
7.4.280.0080.00016.49
7.4.270.0030.00316.61
7.4.260.0000.00816.39
7.4.250.0050.00316.48
7.4.240.0040.00416.40
7.4.230.0030.00316.58
7.4.220.0090.00916.50
7.4.210.0100.01016.45
7.4.200.0060.00316.63
7.4.160.0090.00716.52
7.4.150.0070.01017.40
7.4.140.0050.01417.86
7.4.130.0060.01316.47
7.4.120.0110.00816.53
7.4.110.0110.00716.61
7.4.100.0080.00816.41
7.4.90.0090.01016.56
7.4.80.0110.00819.39
7.4.70.0120.00916.46
7.4.60.0030.01216.45
7.4.50.0090.00616.65
7.4.40.0090.00616.59
7.4.30.0060.01016.64
7.4.00.0100.00715.18
7.3.330.0060.00013.12
7.3.320.0000.00513.16
7.3.310.0070.00016.15
7.3.300.0000.00716.16
7.3.290.0070.00716.27
7.3.280.0120.00616.28
7.3.270.0130.01017.40
7.3.260.0130.01116.32
7.3.250.0120.00816.43
7.3.240.0170.00716.41
7.3.230.0090.00916.46
7.3.210.0100.00916.57
7.3.200.0060.01416.55
7.3.190.0110.01116.28
7.3.180.0120.01016.54
7.3.170.0120.00616.25
7.3.160.0100.00616.27
7.2.330.0030.01416.75
7.2.320.0100.01016.68
7.2.310.0070.01416.28
7.2.300.0080.01216.75
7.2.290.0160.00016.60
7.2.60.0110.00016.88
7.1.200.0030.00615.56
7.1.70.0030.00517.15
7.1.60.0060.00617.15
7.1.00.0030.06322.64
7.0.200.0030.00916.66
7.0.140.0030.06021.94
7.0.130.0100.05322.14
7.0.120.0170.05021.97
7.0.110.0130.05721.97
7.0.100.0030.07322.11
7.0.90.0030.06322.04
7.0.80.0100.06022.04
7.0.70.0100.05321.93
7.0.60.0130.04722.07
7.0.50.0070.05722.16
7.0.40.0070.05722.12
7.0.30.0070.05722.08
7.0.20.0030.06022.15
7.0.10.0100.05322.11
7.0.00.0130.05022.12
5.6.290.0170.04720.86
5.6.280.0000.06321.04
5.6.270.0030.06020.78
5.6.260.0130.05020.78
5.6.250.0100.05021.09
5.6.240.0030.06020.96
5.6.230.0130.05321.02
5.6.220.0170.07320.87
5.6.210.0100.05020.94
5.6.200.0170.05020.78
5.6.190.0030.06021.04
5.6.180.0070.05721.03
5.6.170.0200.04320.88
5.6.160.0030.05720.85
5.6.150.0030.06721.08
5.6.140.0070.05720.86
5.6.130.0100.05020.88
5.6.120.0100.07720.88
5.6.110.0030.06321.04
5.6.100.0100.05320.86
5.6.90.0200.04321.00
5.6.80.0070.05320.43
5.6.70.0070.05320.22
5.6.60.0030.06320.25
5.6.50.0070.05320.23
5.6.40.0070.05020.26
5.6.30.0130.05720.21
5.6.20.0100.06320.23
5.6.10.0100.06020.17
5.6.00.0030.07720.16

preferences:
29.29 ms | 401 KiB | 5 Q