3v4l.org

run code in 300+ PHP versions simultaneously
<?php $items = array(new \stdClass(), new \stdClass()); $copy = array(); foreach ($items as $item) { $copy[] = $item; } $udiff = array_udiff($items, $items, function ($a, $b) { //var_dump($a, $b, $a === $b); return $a === $b; }); var_dump($udiff);

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)
8.3.60.0180.00016.88
8.3.50.0080.01122.95
8.3.40.0040.01118.66
8.3.30.0110.00419.02
8.3.20.0040.00420.16
8.3.10.0070.00023.66
8.3.00.0040.00417.71
8.2.180.0000.01616.63
8.2.170.0120.00322.96
8.2.160.0030.01020.55
8.2.150.0060.00324.18
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0030.00621.02
8.2.110.0090.00021.06
8.2.100.0070.00418.34
8.2.90.0040.00419.23
8.2.80.0060.00317.97
8.2.70.0040.00417.63
8.2.60.0000.00917.80
8.2.50.0050.00518.07
8.2.40.0070.00018.23
8.2.30.0030.00618.20
8.2.20.0040.00417.75
8.2.10.0050.00218.01
8.2.00.0050.00317.77
8.1.280.0070.01125.92
8.1.270.0060.00323.92
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0050.00519.16
8.1.230.0040.00719.15
8.1.220.0000.00917.78
8.1.210.0030.00518.77
8.1.200.0040.00417.35
8.1.190.0000.00817.35
8.1.180.0040.00418.10
8.1.170.0040.00418.64
8.1.160.0040.00422.02
8.1.150.0040.00418.88
8.1.140.0060.00317.50
8.1.130.0070.00017.83
8.1.120.0040.00417.39
8.1.110.0050.00317.36
8.1.100.0040.00417.35
8.1.90.0030.00317.47
8.1.80.0030.00417.42
8.1.70.0030.00317.36
8.1.60.0090.00017.57
8.1.50.0040.00417.48
8.1.40.0000.00817.49
8.1.30.0030.00517.64
8.1.20.0040.00417.61
8.1.10.0040.00417.56
8.1.00.0040.00417.50
8.0.300.0070.00018.77
8.0.290.0020.00516.88
8.0.280.0000.00718.42
8.0.270.0030.00317.25
8.0.260.0000.00717.25
8.0.250.0030.00316.98
8.0.240.0000.00817.05
8.0.230.0050.00216.95
8.0.220.0040.00416.97
8.0.210.0030.00616.99
8.0.200.0060.00016.98
8.0.190.0000.00817.08
8.0.180.0000.00717.03
8.0.170.0040.00417.00
8.0.160.0070.00017.02
8.0.150.0040.00416.95
8.0.140.0000.00816.97
8.0.130.0000.00813.31
8.0.120.0080.00016.92
8.0.110.0000.00716.95
8.0.100.0050.00317.01
8.0.90.0050.00316.82
8.0.80.0090.00616.90
8.0.70.0020.00516.82
8.0.60.0000.00716.75
8.0.50.0040.00416.80
8.0.30.0080.01117.15
8.0.20.0150.00817.40
8.0.10.0030.00417.02
8.0.00.0110.00916.80
7.4.330.0030.00315.09
7.4.320.0040.00416.53
7.4.300.0000.00716.50
7.4.290.0000.00716.60
7.4.280.0040.00416.43
7.4.270.0030.00316.48
7.4.260.0030.00316.61
7.4.250.0050.00216.39
7.4.240.0020.00616.54
7.4.230.0030.00316.70
7.4.220.0120.00616.53
7.4.210.0030.01216.40
7.4.200.0050.00316.40
7.4.160.0090.00616.48
7.4.150.0060.01217.40
7.4.140.0100.01017.86
7.4.130.0090.00816.56
7.4.120.0070.01216.46
7.4.110.0090.00916.52
7.4.100.0100.01416.59
7.4.90.0070.01016.41
7.4.80.0030.01319.39
7.4.70.0140.01016.62
7.4.60.0100.01016.50
7.4.50.0040.00416.40
7.4.40.0070.01016.52
7.4.30.0130.01016.42
7.4.00.0060.00814.90
7.3.330.0000.00613.31
7.3.320.0000.00513.19
7.3.310.0030.00316.38
7.3.300.0030.00316.24
7.3.290.0170.00316.41
7.3.280.0080.00816.37
7.3.270.0100.01017.40
7.3.260.0120.00616.53
7.3.250.0080.01016.29
7.3.240.0090.00916.41
7.3.230.0060.00916.65
7.3.210.0140.01216.44
7.3.200.0170.00219.39
7.3.190.0120.00616.64
7.3.180.0090.00616.61
7.3.170.0130.00616.55
7.3.160.0090.00616.44
7.3.120.0090.00915.10
7.3.110.0070.00714.86
7.3.100.0070.00714.65
7.3.90.0000.00815.08
7.3.80.0140.00015.00
7.3.70.0000.01214.67
7.3.60.0040.00714.94
7.3.50.0000.00814.56
7.3.40.0060.00914.84
7.3.30.0110.00014.71
7.3.20.0000.00816.73
7.3.10.0100.00316.75
7.3.00.0020.00616.72
7.2.330.0100.00616.57
7.2.320.0070.01116.64
7.2.310.0100.00716.53
7.2.300.0030.01316.80
7.2.290.0150.00616.43
7.2.240.0030.01315.09
7.2.230.0080.00815.16
7.2.220.0030.01014.86
7.2.210.0030.00914.75
7.2.200.0040.01214.91
7.2.190.0030.01215.12
7.2.180.0030.01015.08
7.2.170.0030.00615.08
7.2.160.0080.00015.13
7.2.150.0030.01016.79
7.2.140.0040.00816.89
7.2.130.0030.00916.96
7.2.120.0070.00417.07
7.2.110.0080.00816.68
7.2.100.0100.00316.96
7.2.90.0040.01216.98
7.2.80.0030.01417.11
7.2.70.0060.00616.79
7.2.60.0040.00416.86
7.2.50.0030.01016.81
7.2.40.0030.01016.82
7.2.30.0080.00417.07
7.2.20.0090.00616.86
7.2.10.0000.01216.85
7.2.00.0070.00517.94
7.1.330.0070.01115.75
7.1.320.0110.00415.75
7.1.310.0060.00615.92
7.1.300.0030.00715.83
7.1.290.0040.01115.93
7.1.280.0040.00415.84
7.1.270.0030.01015.88
7.1.260.0070.00715.60
7.1.250.0070.00315.71
7.1.100.0070.00318.13
7.1.70.0080.00017.09
7.1.60.0160.00619.40
7.1.50.0030.02216.98
7.1.00.0030.07722.28
7.0.200.0410.01014.73
7.0.140.0100.06321.99
7.0.60.0070.07319.94
7.0.50.0100.05317.96
7.0.40.0030.04320.11
7.0.30.0270.04320.06
7.0.20.0330.03720.21
7.0.10.0100.05020.23
7.0.00.0100.04020.23
5.6.280.0070.07021.13
5.6.210.0070.05020.53
5.6.200.0000.07718.12
5.6.190.0100.05320.67
5.6.180.0230.04320.77
5.6.170.0230.04020.54
5.6.160.0070.08320.39
5.6.150.0070.08318.14
5.6.140.0070.08318.14
5.6.130.0130.08018.21
5.6.120.0000.04321.12
5.6.110.0030.04321.09
5.6.100.0030.08321.01
5.6.90.0000.08020.95
5.6.80.0000.07720.41
5.5.350.0070.06320.34
5.5.340.0070.06318.03
5.5.330.0070.04720.26
5.5.320.0030.07320.34
5.5.310.0200.04720.32
5.5.300.0000.04317.98
5.5.290.0070.06717.97
5.5.280.0100.08020.97
5.5.270.0030.09320.77
5.5.260.0100.07320.89
5.5.250.0130.03720.61
5.5.240.0200.07020.26
5.4.450.0500.04319.50
5.4.440.0500.04719.41
5.4.430.0600.03719.27
5.4.420.0400.04019.49
5.4.410.0570.02719.19
5.4.400.0430.03319.22
5.4.390.0770.04018.84
5.4.380.0330.05718.55
5.4.370.0230.05318.74
5.4.360.0230.05318.55
5.4.350.0330.06318.65
5.4.340.0270.04318.50
5.4.320.0070.04012.51
5.4.310.0030.04112.50
5.4.300.0070.03412.50
5.4.290.0110.03212.50
5.4.280.0040.03712.40
5.4.270.0080.03412.39
5.4.260.0070.03712.39
5.4.250.0040.04012.39
5.4.240.0060.03512.39
5.4.230.0080.03512.39
5.4.220.0090.04512.39
5.4.210.0030.03612.39
5.4.200.0030.03912.38
5.4.190.0050.03612.38
5.4.180.0070.03412.38
5.4.170.0080.03312.40
5.4.160.0080.03312.39
5.4.150.0060.03512.38
5.4.140.0030.03912.07
5.4.130.0040.03612.05
5.4.120.0060.03512.02
5.4.110.0030.03812.01
5.4.100.0050.03612.01
5.4.90.0040.03812.01
5.4.80.0060.03712.02
5.4.70.0070.03312.01
5.4.60.0060.03412.01
5.4.50.0060.03412.01
5.4.40.0090.03212.00
5.4.30.0050.04011.99
5.4.20.0060.03511.99
5.4.10.0060.04411.99
5.4.00.0080.03411.48
5.3.290.0010.04412.80
5.3.280.0050.03912.71
5.3.270.0080.04712.73
5.3.260.0050.04112.72
5.3.250.0050.04012.71
5.3.240.0050.03912.72
5.3.230.0080.03612.70
5.3.220.0070.03612.68
5.3.210.0070.03712.68
5.3.200.0020.04012.68
5.3.190.0040.03912.68
5.3.180.0070.04212.67
5.3.170.0070.03512.67
5.3.160.0040.03812.68
5.3.150.0080.03512.68
5.3.140.0080.03412.66
5.3.130.0080.03612.65
5.3.120.0080.04212.66
5.3.110.0050.03912.66
5.3.100.0040.03812.13
5.3.90.0040.03712.11
5.3.80.0040.03712.11
5.3.70.0040.04212.11
5.3.60.0090.03712.08
5.3.50.0080.03512.03
5.3.40.0080.03412.03
5.3.30.0080.03711.99
5.3.20.0050.03611.77
5.3.10.0070.03411.73
5.3.00.0050.04011.73
5.2.170.0040.0339.18
5.2.160.0030.0319.18
5.2.150.0060.0299.18
5.2.140.0060.0349.18
5.2.130.0030.0319.14
5.2.120.0040.0299.14
5.2.110.0020.0329.15
5.2.100.0070.0339.14
5.2.90.0040.0289.14
5.2.80.0070.0279.14
5.2.70.0070.0399.14
5.2.60.0050.0339.10
5.2.50.0040.0309.07
5.2.40.0050.0279.04
5.2.30.0050.0289.02
5.2.20.0070.0339.00
5.2.10.0050.0328.92
5.2.00.0070.0268.79
5.1.60.0060.0218.07
5.1.50.0050.0298.07
5.1.40.0140.0278.05
5.1.30.0070.0228.40
5.1.20.0030.0278.42
5.1.10.0080.0228.14
5.1.00.0020.0278.15
5.0.50.0020.0226.63
5.0.40.0050.0186.49
5.0.30.0050.0296.30
5.0.20.0030.0196.27
5.0.10.0010.0286.24
5.0.00.0060.0276.23
4.4.90.0070.0204.78
4.4.80.0030.0154.76
4.4.70.0040.0144.75
4.4.60.0030.0154.76
4.4.50.0010.0174.77
4.4.40.0010.0264.71
4.4.30.0030.0144.76
4.4.20.0060.0174.84
4.4.10.0040.0134.85
4.4.00.0030.0274.76
4.3.110.0040.0144.67
4.3.100.0020.0164.67
4.3.90.0020.0154.64
4.3.80.0050.0224.59
4.3.70.0010.0184.63
4.3.60.0040.0154.63
4.3.50.0040.0144.63
4.3.40.0040.0224.54
4.3.30.0030.0203.28
4.3.20.0030.0203.26
4.3.10.0060.0163.23
4.3.00.0030.01313.43

preferences:
40.19 ms | 401 KiB | 5 Q