3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a1 = [[new StdClass], [new StdClass]]; $a2 = [[new StdClass], [new StdClass]]; var_dump($a1 === $a2); $a1 = $a2; var_dump($a1 === $a2);

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)
8.3.60.0120.00318.18
8.3.50.0100.00821.85
8.3.40.0120.00318.75
8.3.30.0060.01219.09
8.3.20.0000.00820.20
8.3.10.0050.00320.48
8.3.00.0060.00319.38
8.2.180.0040.01116.50
8.2.170.0070.00722.96
8.2.160.0100.00320.47
8.2.150.0070.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0050.00522.18
8.2.110.0060.00320.56
8.2.100.0100.00018.22
8.2.90.0000.00719.28
8.2.80.0040.00417.97
8.2.70.0000.00817.63
8.2.60.0060.00318.04
8.2.50.0080.00018.07
8.2.40.0000.00818.21
8.2.30.0000.00818.11
8.2.20.0070.00017.73
8.2.10.0000.00718.11
8.2.00.0080.00017.69
8.1.280.0090.00925.92
8.1.270.0080.00022.11
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00323.98
8.1.230.0090.00318.97
8.1.220.0040.00417.74
8.1.210.0000.00818.77
8.1.200.0050.00517.35
8.1.190.0000.00817.22
8.1.180.0050.00318.10
8.1.170.0000.00918.59
8.1.160.0000.00721.91
8.1.150.0040.00418.85
8.1.140.0040.00417.49
8.1.130.0040.00417.82
8.1.120.0000.00717.50
8.1.110.0050.00317.50
8.1.100.0060.00317.45
8.1.90.0040.00417.47
8.1.80.0000.00717.35
8.1.70.0000.00717.31
8.1.60.0040.00417.58
8.1.50.0030.00517.53
8.1.40.0040.00417.39
8.1.30.0000.00917.49
8.1.20.0040.00417.71
8.1.10.0030.00617.39
8.1.00.0040.00417.46
8.0.300.0050.00218.77
8.0.290.0000.00716.63
8.0.280.0070.00018.46
8.0.270.0000.00717.32
8.0.260.0030.00318.44
8.0.250.0030.00316.96
8.0.240.0040.00416.88
8.0.230.0040.00417.01
8.0.220.0070.00016.87
8.0.210.0030.00316.74
8.0.200.0000.00716.96
8.0.190.0090.00016.96
8.0.180.0000.00716.96
8.0.170.0000.00816.91
8.0.160.0050.00216.91
8.0.150.0070.00016.89
8.0.140.0000.00716.74
8.0.130.0050.00013.25
8.0.120.0040.00416.85
8.0.110.0040.00416.71
8.0.100.0080.00016.88
8.0.90.0040.00416.91
8.0.80.0120.00616.80
8.0.70.0040.00417.00
8.0.60.0000.00716.75
8.0.50.0020.00516.95
8.0.30.0120.00717.19
8.0.20.0110.00817.40
8.0.10.0040.00416.82
8.0.00.0100.00716.68
7.4.330.0000.00615.02
7.4.320.0030.00316.60
7.4.300.0030.00316.49
7.4.290.0000.00716.59
7.4.280.0070.00016.61
7.4.270.0070.00016.64
7.4.260.0000.00716.55
7.4.250.0050.00216.36
7.4.240.0030.00316.55
7.4.230.0030.00316.34
7.4.220.0040.01516.69
7.4.210.0060.00916.54
7.4.200.0000.00716.69
7.4.160.0120.00316.45
7.4.150.0080.00917.40
7.4.140.0090.01117.86
7.4.130.0080.01216.44
7.4.120.0110.00616.55
7.4.110.0100.01016.54
7.4.100.0170.00316.56
7.4.90.0090.01216.43
7.4.80.0060.01219.39
7.4.70.0070.00916.29
7.4.60.0070.00916.60
7.4.50.0040.00416.21
7.4.40.0060.01016.45
7.4.30.0070.01316.64
7.4.00.0090.00615.12
7.3.330.0030.00313.05
7.3.320.0000.00513.11
7.3.310.0000.00716.10
7.3.300.0070.00016.27
7.3.290.0130.00416.21
7.3.280.0120.00716.23
7.3.270.0140.00617.40
7.3.260.0000.01616.56
7.3.250.0080.00916.47
7.3.240.0130.00316.36
7.3.230.0120.00416.39
7.3.210.0100.01016.49
7.3.200.0060.01219.39
7.3.190.0110.00716.34
7.3.180.0040.01116.30
7.3.170.0060.01016.48
7.3.160.0100.00716.52
7.2.330.0080.00816.66
7.2.320.0030.01316.31
7.2.310.0090.00616.35
7.2.300.0100.00716.54
7.2.290.0080.01216.29
7.2.00.0060.00919.30
7.1.100.0070.00418.07
7.1.70.0070.00317.16
7.1.60.0070.01719.32
7.1.50.0130.01016.65
7.1.00.0030.07722.33
7.0.200.0030.00616.73
7.0.140.0170.06022.10
7.0.60.0100.06019.80
7.0.50.0000.04317.77
7.0.40.0130.06019.98
7.0.30.0500.07320.00
7.0.20.0200.06020.00
7.0.10.0130.08020.12
7.0.00.0030.06020.13
5.6.280.0000.07721.02
5.6.210.0030.08720.52
5.6.200.0130.08018.10
5.6.190.0070.04020.59
5.6.180.0470.07320.60
5.6.170.0370.05320.48
5.6.160.0100.04020.49
5.6.150.0100.07318.18
5.6.140.0100.04018.22
5.6.130.0100.08018.17
5.6.120.0070.08320.73
5.6.110.0100.08321.13
5.6.100.0030.05020.97
5.6.90.0000.05720.96
5.6.80.0130.07320.43
5.5.350.0170.08320.31
5.5.340.0030.03717.92
5.5.330.0070.04020.57
5.5.320.0500.04020.31
5.5.310.0200.05320.41
5.5.300.0130.07317.90
5.5.290.0030.08317.95
5.5.280.0100.03320.88
5.5.270.0100.07720.72
5.5.260.0100.08020.72
5.5.250.0030.08020.77
5.5.240.0170.06720.25
5.4.450.0930.04319.26
5.4.440.0570.04019.27
5.4.430.0300.04019.38
5.4.420.0630.00019.52
5.4.410.0630.00019.34
5.4.400.0600.00019.03
5.4.390.0730.00018.97
5.4.380.0630.00018.96
5.4.370.0600.00019.08
5.4.360.0600.00019.18
5.4.350.0630.00019.05
5.4.340.0670.00019.08
5.4.320.0070.03512.45
5.4.310.0050.03912.45
5.4.300.0050.03712.45
5.4.290.0040.04212.45
5.4.280.0090.04012.35
5.4.270.0060.03812.34
5.4.260.0080.03612.34
5.4.250.0080.04012.35
5.4.240.0050.04012.35
5.4.230.0070.04412.34
5.4.220.0060.04212.34
5.4.210.0070.04112.34
5.4.200.0110.03912.34
5.4.190.0050.03812.33
5.4.180.0080.03512.34
5.4.170.0070.04012.35
5.4.160.0050.03612.34
5.4.150.0050.03612.34
5.4.140.0030.04012.02
5.4.130.0090.03312.01
5.4.120.0060.04411.96
5.4.110.0080.04311.96
5.4.100.0100.03811.96
5.4.90.0090.03511.96
5.4.80.0050.03911.96
5.4.70.0050.03711.96
5.4.60.0120.03011.96
5.4.50.0070.03511.96
5.4.40.0080.03311.95
5.4.30.0040.03811.95
5.4.20.0060.03611.95
5.4.10.0100.03011.95
5.4.00.0030.03911.44
5.3.290.0080.04712.80
5.3.280.0090.04612.70
5.3.270.0090.03812.72
5.3.260.0080.03912.72
5.3.250.0080.03612.72
5.3.240.0090.03512.72
5.3.230.0050.04012.71
5.3.220.0040.03912.68
5.3.210.0060.04012.68
5.3.200.0070.04112.68
5.3.190.0050.04112.68
5.3.180.0040.03912.67
5.3.170.0080.03812.67
5.3.160.0050.03912.67
5.3.150.0090.03612.67
5.3.140.0080.03612.66
5.3.130.0080.03712.66
5.3.120.0090.03612.66
5.3.110.0060.03812.66
5.3.100.0040.03812.12
5.3.90.0070.04012.09
5.3.80.0090.03412.07
5.3.70.0020.04112.08
5.3.60.0070.03612.06
5.3.50.0070.03712.00
5.3.40.0070.03612.00
5.3.30.0050.03611.95
5.3.20.0080.03311.72
5.3.10.0050.03611.70
5.3.00.0060.03611.68
5.2.170.0030.0339.18
5.2.160.0030.0319.19
5.2.150.0070.0289.18
5.2.140.0050.0359.18
5.2.130.0040.0309.14
5.2.120.0080.0469.14
5.2.110.0020.0329.14
5.2.100.0060.0279.14
5.2.90.0040.0299.14
5.2.80.0080.0379.14
5.2.70.0060.0349.14
5.2.60.0030.0319.09
5.2.50.0040.0309.06
5.2.40.0070.0269.04
5.2.30.0070.0329.01
5.2.20.0040.0309.00
5.2.10.0040.0378.92
5.2.00.0030.0318.78
5.1.60.0070.0308.07
5.1.50.0080.0218.06
5.1.40.0050.0248.05
5.1.30.0070.0308.40
5.1.20.0030.0278.42
5.1.10.0030.0328.14
5.1.00.0050.0248.14
5.0.50.0040.0206.62
5.0.40.0030.0206.48
5.0.30.0040.0316.29
5.0.20.0030.0206.27
5.0.10.0030.0206.23
5.0.00.0050.0296.23
4.4.90.0020.0164.78
4.4.80.0030.0164.75
4.4.70.0030.0164.75
4.4.60.0010.0174.76
4.4.50.0030.0154.77
4.4.40.0040.0254.71
4.4.30.0040.0144.76
4.4.20.0010.0174.84
4.4.10.0030.0164.85
4.4.00.0020.0264.76
4.3.110.0030.0174.66
4.3.100.0040.0144.66
4.3.90.0010.0244.63
4.3.80.0050.0224.58
4.3.70.0030.0184.63
4.3.60.0020.0194.63
4.3.50.0020.0204.63
4.3.40.0020.0254.53
4.3.30.0030.0163.28
4.3.20.0000.0183.26
4.3.10.0030.0243.22
4.3.00.0130.01013.59

preferences:
58.23 ms | 401 KiB | 5 Q