3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { private $a = '1a'; } class b { private $b = '2b'; } $r = [ new a, new b, new a, new b, new b, ]; var_dump(array_unique($r));

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)
8.3.60.0090.00616.88
8.3.50.0070.00716.36
8.3.40.0040.01118.84
8.3.30.0070.00718.65
8.3.20.0050.00220.19
8.3.10.0000.00821.91
8.3.00.0040.00419.68
8.2.180.0090.00616.75
8.2.170.0090.00622.96
8.2.160.0100.00320.49
8.2.150.0000.00824.18
8.2.140.0160.00324.66
8.2.130.0040.00426.16
8.2.120.0080.00017.75
8.2.110.0090.00019.32
8.2.100.0040.00717.91
8.2.90.0000.00819.27
8.2.80.0060.00317.97
8.2.70.0080.00017.38
8.2.60.0050.00317.93
8.2.50.0090.00318.07
8.2.40.0080.00020.98
8.2.30.0000.00719.80
8.2.20.0080.00017.67
8.2.10.0030.00518.11
8.2.00.0000.00718.11
8.1.280.0110.00425.92
8.1.270.0000.00820.29
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0060.00322.14
8.1.230.0080.00319.03
8.1.220.0030.00517.74
8.1.210.0050.00318.77
8.1.200.0080.00517.25
8.1.190.0030.00617.23
8.1.180.0000.00718.10
8.1.170.0000.00818.63
8.1.160.0000.00822.00
8.1.150.0030.00618.84
8.1.140.0040.00417.54
8.1.130.0030.00317.70
8.1.120.0000.00817.41
8.1.110.0000.00817.43
8.1.100.0040.00417.50
8.1.90.0040.00417.38
8.1.80.0040.00417.42
8.1.70.0000.00717.41
8.1.60.0040.00417.56
8.1.50.0060.00317.54
8.1.40.0050.00317.41
8.1.30.0040.00717.72
8.1.20.0040.00417.54
8.1.10.0000.00717.62
8.1.00.0050.00317.48
8.0.300.0000.00818.77
8.0.290.0070.00016.75
8.0.280.0000.00818.50
8.0.270.0040.00416.80
8.0.260.0000.00818.45
8.0.250.0030.00317.04
8.0.240.0040.00417.01
8.0.230.0030.00316.98
8.0.220.0030.00316.89
8.0.210.0000.00716.96
8.0.200.0000.00617.00
8.0.190.0040.00416.89
8.0.180.0040.00416.83
8.0.170.0030.00516.88
8.0.160.0050.00216.88
8.0.150.0070.00016.98
8.0.140.0000.00716.91
8.0.130.0000.00613.42
8.0.120.0040.00416.80
8.0.110.0030.00616.86
8.0.100.0000.00716.91
8.0.90.0000.00816.80
8.0.80.0030.01317.01
8.0.70.0030.00616.83
8.0.60.0070.00016.91
8.0.50.0000.00716.84
8.0.30.0050.01017.18
8.0.20.0160.00717.40
8.0.10.0050.00316.89
8.0.00.0080.01116.65
7.4.330.0050.00015.08
7.4.320.0030.00316.43
7.4.300.0000.00616.58
7.4.290.0060.00316.61
7.4.280.0050.00316.49
7.4.270.0030.00316.50
7.4.260.0000.00716.48
7.4.250.0050.00216.49
7.4.240.0020.00516.58
7.4.230.0050.00216.61
7.4.220.0090.00916.50
7.4.210.0070.00916.60
7.4.200.0000.00716.41
7.4.160.0030.01216.57
7.4.150.0150.00917.40
7.4.140.0080.01017.86
7.4.130.0130.00616.51
7.4.120.0080.00916.52
7.4.110.0140.00316.41
7.4.100.0150.00716.68
7.4.90.0110.00516.49
7.4.80.0080.00819.39
7.4.70.0060.01216.59
7.4.60.0100.00716.52
7.4.50.0040.00416.64
7.4.40.0130.00616.61
7.4.30.0150.00916.47
7.4.00.0030.01014.82
7.3.330.0030.00313.26
7.3.320.0000.00513.32
7.3.310.0070.00016.32
7.3.300.0060.00016.29
7.3.290.0040.00416.21
7.3.280.0050.01216.28
7.3.270.0070.01017.40
7.3.260.0140.01016.55
7.3.250.0100.00716.22
7.3.240.0120.00916.17
7.3.230.0090.00916.39
7.3.210.0070.01016.65
7.3.200.0090.00616.32
7.3.190.0140.00316.39
7.3.180.0060.00916.57
7.3.170.0060.01616.52
7.3.160.0090.00716.60
7.2.330.0060.01116.62
7.2.320.0070.01116.61
7.2.310.0130.00416.29
7.2.300.0060.01116.35
7.2.290.0140.00316.61
7.2.60.0060.01016.91
7.2.00.0060.00619.39
7.1.200.0040.00715.49
7.1.100.0030.01018.19
7.1.70.0000.00817.02
7.1.60.0120.01220.03
7.1.50.0090.01516.42
7.1.00.0000.08022.36
7.0.200.0160.00314.89
7.0.60.0100.07019.95
7.0.50.0070.06717.86
7.0.40.0030.06720.14
7.0.30.0300.07720.12
7.0.20.0230.05020.15
7.0.10.0070.04020.06
7.0.00.0100.07320.06
5.6.280.0070.07320.78
5.6.210.0100.03720.55
5.6.200.0100.03718.12
5.6.190.0030.08720.63
5.6.180.3800.05020.67
5.6.170.0270.08020.48
5.6.160.0070.08720.51
5.6.150.0070.08318.27
5.6.140.0070.07018.18
5.6.130.0100.05318.14
5.6.120.0030.08020.96
5.6.110.0100.08021.02
5.6.100.0030.04021.11
5.6.90.0070.05320.97
5.6.80.0100.07320.44
5.6.70.2870.03720.39
5.5.350.0270.07320.46
5.5.340.0070.04718.09
5.5.330.0070.08320.28
5.5.320.0230.04020.36
5.5.310.0230.08320.27
5.5.300.0000.04317.98
5.5.290.0030.08717.98
5.5.280.0070.08020.87
5.5.270.0330.05020.81
5.5.260.0070.06720.88
5.5.250.0030.09020.49
5.5.240.0270.07020.23
5.4.450.0230.07019.31
5.4.440.0300.07319.31
5.4.430.0270.08019.45
5.4.420.0230.07719.57
5.4.410.0300.06319.07
5.4.400.0270.03719.08
5.4.390.0270.06319.20
5.4.380.0300.07319.22
5.4.370.0270.07019.31
5.4.360.0230.04719.06
5.4.350.0270.05018.99
5.4.340.0200.04318.99
5.4.320.0200.04019.08
5.4.310.0170.05319.16
5.4.300.0300.06019.13
5.4.290.0170.06318.94
5.4.280.0200.04719.08
5.4.270.0200.04319.13
5.4.260.0230.06319.07
5.4.250.0230.04719.18
5.4.240.0230.07719.07
5.4.230.0230.04319.18
5.4.220.0170.08018.97
5.4.210.0330.04719.21
5.4.200.0300.04319.18
5.4.190.0270.07019.30
5.4.180.0300.04018.88
5.4.170.0130.06019.23
5.4.160.0130.05719.04
5.4.150.0200.05319.13
5.4.140.0230.04016.43
5.4.130.0170.03716.52
5.4.120.0130.05316.38
5.4.110.0130.04316.60
5.4.100.0300.06316.57
5.4.90.0300.03716.31
5.4.80.0200.07016.49

preferences:
51.72 ms | 400 KiB | 5 Q