3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public $x; } $a = new Foo(); $b = new Foo(); $a->x = $b; $b->x = $a; print_r($a == $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)
8.3.60.0170.00316.88
8.3.50.0110.01116.49
8.3.40.0150.00018.66
8.3.30.0000.01418.63
8.3.20.0080.00018.50
8.3.10.0080.00020.23
8.3.00.0040.00417.63
8.2.180.0150.00716.63
8.2.170.0070.00722.96
8.2.160.0100.00322.12
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00319.89
8.2.110.0030.00721.06
8.2.100.0090.00317.91
8.2.90.0030.00618.93
8.2.80.0030.00617.80
8.2.70.0030.00517.50
8.2.60.0000.00817.92
8.2.50.0030.00518.07
8.2.40.0000.00818.22
8.2.30.0030.00617.96
8.2.20.0080.00017.65
8.2.10.0020.00517.54
8.2.00.0000.00817.77
8.1.280.0000.01425.92
8.1.270.0040.00424.66
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0040.00420.59
8.1.230.0110.00020.93
8.1.220.0030.00517.74
8.1.210.0050.00319.01
8.1.200.0060.00317.38
8.1.190.0000.00817.66
8.1.180.0080.00018.10
8.1.170.0050.00318.79
8.1.160.0070.00018.80
8.1.150.0090.00018.62
8.1.140.0030.00717.45
8.1.130.0000.00717.81
8.1.120.0000.00717.52
8.1.110.0000.00717.34
8.1.100.0070.00017.46
8.1.90.0040.00417.39
8.1.80.0030.00317.46
8.1.70.0000.00717.43
8.1.60.0040.00417.61
8.1.50.0000.00817.46
8.1.40.0040.00417.48
8.1.30.0040.00417.53
8.1.20.0040.00417.67
8.1.10.0030.00517.52
8.1.00.0000.00717.44
8.0.300.0020.00519.96
8.0.290.0050.00216.75
8.0.280.0030.00318.31
8.0.270.0070.00017.17
8.0.260.0000.00716.78
8.0.250.0030.00517.02
8.0.240.0050.00316.92
8.0.230.0000.00716.97
8.0.220.0000.00716.87
8.0.210.0000.00716.79
8.0.200.0050.00317.02
8.0.190.0000.00717.11
8.0.180.0040.00416.97
8.0.170.0090.00016.89
8.0.160.0070.00016.97
8.0.150.0030.00516.97
8.0.140.0040.00416.96
8.0.130.0000.00513.36
8.0.120.0000.00816.93
8.0.110.0070.00016.93
8.0.100.0000.00716.91
8.0.90.0040.00416.93
8.0.80.0030.01316.91
8.0.70.0040.00416.99
8.0.60.0070.00016.78
8.0.50.0020.00516.79
8.0.30.0100.01217.24
8.0.20.0150.00317.07
8.0.10.0040.00416.86
8.0.00.0110.00816.81
7.4.330.0000.00512.97
7.4.320.0030.00316.45
7.4.300.0060.00016.60
7.4.290.0000.00716.60
7.4.280.0040.00416.50
7.4.270.0000.00716.62
7.4.260.0060.00013.25
7.4.250.0060.00316.55
7.4.240.0050.00216.65
7.4.230.0030.00316.61
7.4.220.0090.00916.46
7.4.210.0080.00916.61
7.4.200.0050.00216.58
7.4.190.0070.00016.64
7.4.160.0150.00016.57
7.4.150.0070.01016.41
7.4.140.0080.01216.50
7.4.130.0070.01016.45
7.4.120.0140.00216.47
7.4.110.0150.00016.52
7.4.100.0100.00616.47
7.4.90.0070.01316.52
7.4.80.0090.00916.56
7.4.70.0070.01016.51
7.4.60.0140.01016.41
7.4.50.0040.00416.47
7.4.40.0060.00916.41
7.4.30.0000.01616.55
7.4.00.0120.00414.86
7.3.330.0030.00313.08
7.3.320.0040.00413.22
7.3.310.0030.00316.32
7.3.300.0050.00316.12
7.3.290.0060.00916.33
7.3.280.0060.01016.30
7.3.270.0160.00016.34
7.3.260.0120.00716.32
7.3.250.0050.01616.45
7.3.240.0040.01716.46
7.3.230.0110.00516.30
7.3.210.0100.00716.46
7.3.200.0120.00619.39
7.3.190.0090.00916.54
7.3.180.0120.00916.30
7.3.170.0070.00716.32
7.3.160.0090.01216.23
7.3.120.0110.00714.59
7.3.10.0030.01416.75
7.3.00.0030.00616.70
7.2.330.0110.00716.52
7.2.320.0100.00716.44
7.2.310.0080.01116.48
7.2.300.0070.01316.30
7.2.290.0070.01016.64
7.2.130.0000.01616.92
7.2.120.0080.00416.93
7.2.110.0040.01216.87
7.2.100.0070.00716.77
7.2.90.0040.00816.91
7.2.80.0080.00416.61
7.2.70.0070.00716.96
7.2.60.0030.00617.00
7.2.50.0030.01416.96
7.2.40.0090.00616.73
7.2.30.0030.01016.88
7.2.20.0030.00616.90
7.2.10.0030.01217.00
7.2.00.0050.00918.06
7.1.250.0060.00915.61
7.1.100.0040.01117.74
7.1.70.0000.01016.75
7.1.60.0100.01319.40
7.1.50.0140.00416.75
7.1.00.0000.07722.29
7.0.200.0430.00414.62
7.0.140.0000.07721.96
7.0.120.0000.07722.04
7.0.60.0270.07020.07
7.0.50.0100.06017.88
7.0.40.0070.04720.14
7.0.30.0270.08320.24
7.0.20.0270.07720.09
7.0.10.0100.08320.30
7.0.00.0100.08020.25
5.6.280.0030.07321.07
5.6.210.0170.07020.75
5.6.200.0130.03718.12
5.6.190.0030.04720.61
5.6.180.0300.06720.46
5.6.170.0400.07320.57
5.6.160.0030.05320.55
5.6.150.0070.08018.23
5.6.140.0170.07318.14
5.6.130.0100.07718.19
5.6.120.0100.08720.96
5.6.110.0070.04020.98
5.6.100.0200.06021.13
5.6.90.0030.08720.88
5.6.80.0030.07320.44
5.5.350.0000.07720.49
5.5.340.0100.08017.98
5.5.330.0070.07720.13
5.5.320.0330.07020.25
5.5.310.0330.07320.24
5.5.300.0130.07318.07
5.5.290.0130.07718.04
5.5.280.0030.08320.86
5.5.270.0070.03720.87
5.5.260.0070.06720.89
5.5.250.0130.07720.61
5.5.240.0130.04020.27
5.4.450.0330.05019.46
5.4.440.0400.03719.65
5.4.430.0600.04019.39
5.4.420.0570.04719.46
5.4.410.0700.04319.39
5.4.400.0600.04319.30
5.4.390.0230.04019.05
5.4.380.0370.04319.18
5.4.370.0470.04319.14
5.4.360.0470.04319.07
5.4.350.0500.04019.17
5.4.340.0400.04019.00
5.4.320.0400.04319.24
5.4.310.0630.04019.06
5.4.300.0470.04718.93
5.4.290.0870.03719.00
5.4.280.0470.04019.22
5.4.270.0830.03319.20
5.4.260.0300.04319.31
5.4.250.0730.04719.21
5.4.240.0470.03019.12
5.4.230.0670.03719.01
5.4.220.0770.04719.03
5.4.210.0370.04018.99
5.4.200.0570.03719.02
5.4.190.0600.04019.03
5.4.180.0670.04019.21
5.4.170.0530.04318.82
5.4.160.0330.04318.84
5.4.150.0570.04319.20
5.4.140.0400.04316.51
5.4.130.0470.04016.50
5.4.120.0270.03316.32
5.4.110.0500.04024.20
5.4.100.0500.04324.40
5.4.90.0900.03024.39
5.4.80.0570.03324.38
5.4.70.0700.04024.37
5.4.60.0570.04024.34
5.4.50.0170.04724.16
5.4.40.0730.03324.50
5.4.30.0600.03024.45
5.4.20.0830.05024.16
5.4.10.0830.04724.25
5.4.00.0870.02723.75
5.3.290.0670.03715.91
5.3.280.0870.04015.88
5.3.270.0200.03315.88
5.3.260.0730.04015.88
5.3.250.0370.03715.86
5.3.240.0630.04015.77
5.3.230.0670.04015.74
5.3.220.0430.03715.73
5.3.210.0300.05015.73
5.3.200.0370.04315.65
5.3.190.0930.03715.65
5.3.180.0930.04015.65
5.3.170.0670.03715.65
5.3.160.0770.04015.65
5.3.150.0630.04315.65
5.3.140.0470.05015.65
5.3.130.0570.03315.65
5.3.120.0630.03715.65
5.3.110.0670.02715.65
5.3.100.0330.04315.65
5.3.90.0570.04015.65
5.3.80.0330.03315.60
5.3.70.0730.03015.60
5.3.60.0600.03315.51
5.3.50.0600.03715.51
5.3.40.0570.03715.51
5.3.30.0630.04015.51
5.3.20.0470.04015.51
5.3.10.0600.04015.51
5.3.00.0430.03015.51
5.2.170.0400.03315.51
5.2.160.0930.02315.51
5.2.150.0430.03315.51
5.2.140.0670.03715.51
5.2.130.0300.03715.51
5.2.120.0270.03315.51
5.2.110.0400.02715.51
5.2.100.0730.02715.51
5.2.90.0270.03715.51
5.2.80.0370.03015.51
5.2.70.0570.03715.51
5.2.60.0470.03715.51
5.2.50.0600.02715.51
5.2.40.0430.03015.51
5.2.30.0470.02715.51
5.2.20.0500.02315.51
5.2.10.0230.03715.51
5.2.00.0270.02315.51
5.1.60.0430.02715.51
5.1.50.0230.02715.51
5.1.40.0600.02315.51
5.1.30.0030.02015.51
5.1.20.0230.02015.51
5.1.10.0070.01715.51
5.1.00.0300.02015.51
5.0.50.0170.02015.51
5.0.40.0330.02315.51
5.0.30.0000.03315.51
5.0.20.0100.02315.51
5.0.10.0070.02715.51
5.0.00.0000.02715.51
4.4.90.0200.01715.51
4.4.80.0030.01315.51
4.4.70.0200.02315.51
4.4.60.0170.01315.51
4.4.50.0270.01015.51
4.4.40.0170.02315.51
4.4.30.0070.01715.51
4.4.20.0170.01715.51
4.4.10.0100.01315.51
4.4.00.0170.03315.51
4.3.110.0170.01715.51
4.3.100.0230.01015.51
4.3.90.0130.01315.51
4.3.80.0070.02715.51
4.3.70.0270.01715.51
4.3.60.0070.02015.51
4.3.50.0270.01315.51
4.3.40.0200.02015.51
4.3.30.0070.01715.51
4.3.20.0130.01315.51
4.3.10.0100.02015.51
4.3.00.0130.01315.51

preferences:
32.75 ms | 401 KiB | 5 Q