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, $copy, function ($a, $b) { return $a === $b; }); var_dump($udiff, $items, $copy);

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)
8.3.60.0100.01016.88
8.3.50.0140.00322.89
8.3.40.0070.00718.84
8.3.30.0110.00719.04
8.3.20.0050.00220.16
8.3.10.0040.00423.52
8.3.00.0080.00017.50
8.2.180.0090.00616.50
8.2.170.0060.00922.96
8.2.160.0030.01320.57
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00720.93
8.2.110.0110.01122.08
8.2.100.0120.00018.22
8.2.90.0040.00419.26
8.2.80.0000.00817.97
8.2.70.0040.00417.63
8.2.60.0090.00017.93
8.2.50.0000.00918.07
8.2.40.0070.00319.94
8.2.30.0040.00718.25
8.2.20.0040.00417.76
8.2.10.0060.00318.01
8.2.00.0040.00417.77
8.1.280.0080.00825.92
8.1.270.0000.00823.83
8.1.260.0050.00326.35
8.1.250.0040.00428.09
8.1.240.0000.00922.19
8.1.230.0090.00319.09
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0040.00817.47
8.1.190.0000.00817.25
8.1.180.0050.00318.10
8.1.170.0000.00818.72
8.1.160.0000.00722.05
8.1.150.0000.00718.77
8.1.140.0080.00017.46
8.1.130.0030.00317.82
8.1.120.0040.00417.44
8.1.110.0040.00417.43
8.1.100.0040.00417.41
8.1.90.0000.00717.37
8.1.80.0000.00817.34
8.1.70.0050.00217.45
8.1.60.0030.00617.59
8.1.50.0000.00817.52
8.1.40.0050.00317.41
8.1.30.0030.00617.54
8.1.20.0040.00417.66
8.1.10.0040.00417.45
8.1.00.0000.00817.41
8.0.300.0040.00418.77
8.0.290.0000.00716.88
8.0.280.0030.00318.32
8.0.270.0030.00317.31
8.0.260.0060.00017.30
8.0.250.0070.00016.94
8.0.240.0030.00516.90
8.0.230.0040.00417.05
8.0.220.0020.00516.82
8.0.210.0040.00416.93
8.0.200.0060.00016.90
8.0.190.0070.00317.03
8.0.180.0070.00016.91
8.0.170.0040.00416.92
8.0.160.0000.00716.94
8.0.150.0000.00716.83
8.0.140.0070.00016.95
8.0.130.0000.00613.46
8.0.120.0040.00416.86
8.0.110.0000.00816.99
8.0.100.0040.00416.75
8.0.90.0000.00717.02
8.0.80.0120.00316.91
8.0.70.0040.00416.98
8.0.60.0000.00716.99
8.0.50.0070.00017.01
8.0.30.0130.00816.95
8.0.20.0110.00917.40
8.0.10.0040.00417.19
8.0.00.0140.00416.68
7.4.330.0000.00515.09
7.4.320.0000.00716.46
7.4.300.0070.00016.51
7.4.290.0040.00416.57
7.4.280.0000.00716.55
7.4.270.0030.00316.58
7.4.260.0060.00316.56
7.4.250.0000.00816.49
7.4.240.0040.00316.54
7.4.230.0000.00716.67
7.4.220.0030.01416.52
7.4.210.0000.01616.45
7.4.200.0000.00916.48
7.4.160.0100.00616.48
7.4.150.0060.01217.40
7.4.140.0110.01117.86
7.4.130.0060.01116.62
7.4.120.0080.01216.46
7.4.110.0070.01116.43
7.4.100.0110.00816.39
7.4.90.0080.00816.45
7.4.80.0060.01419.39
7.4.70.0190.00016.55
7.4.60.0060.01216.51
7.4.50.0000.00716.25
7.4.40.0000.01716.28
7.4.30.0060.01216.57
7.4.00.0050.01214.85
7.3.330.0060.00013.34
7.3.320.0020.00213.38
7.3.310.0070.00016.20
7.3.300.0060.00016.38
7.3.290.0090.00616.38
7.3.280.0070.01116.35
7.3.270.0110.00617.40
7.3.260.0150.00316.39
7.3.250.0090.01016.33
7.3.240.0030.01416.40
7.3.230.0120.00916.39
7.3.210.0090.00916.68
7.3.200.0130.01019.39
7.3.190.0120.00616.64
7.3.180.0090.00616.59
7.3.170.0050.01416.42
7.3.160.0100.00716.29
7.3.120.0120.00514.48
7.3.110.0050.00914.98
7.3.100.0070.00914.65
7.3.90.0070.00915.06
7.3.80.0090.00214.63
7.3.70.0030.00814.85
7.3.60.0050.00514.76
7.3.50.0080.00514.90
7.3.40.0080.00714.72
7.3.30.0030.01014.81
7.3.20.0080.00716.55
7.3.10.0100.00516.62
7.3.00.0050.01016.76
7.2.330.0070.01116.79
7.2.320.0100.00716.78
7.2.310.0160.00616.40
7.2.300.0120.01216.82
7.2.290.0080.00816.80
7.2.250.0070.01215.13
7.2.240.0070.01215.08
7.2.230.0070.00815.18
7.2.220.0070.00515.00
7.2.210.0070.00815.07
7.2.200.0070.00715.00
7.2.190.0070.00715.04
7.2.180.0080.00715.11
7.2.170.0030.01414.97
7.2.60.0000.01516.86
7.2.00.0180.01119.38
7.1.330.0060.00815.68
7.1.320.0030.00715.85
7.1.310.0020.00915.89
7.1.300.0070.00615.78
7.1.290.0030.00915.84
7.1.280.0050.00815.92
7.1.270.0080.00715.88
7.1.260.0050.00915.73
7.1.200.0100.00315.92
7.1.100.0000.01118.06
7.1.70.0070.00717.09
7.1.60.0160.00919.40
7.1.50.0070.01117.00
7.1.00.0070.07022.44
7.0.200.0300.01014.94
7.0.140.0100.06322.09
7.0.60.0130.07319.86
7.0.50.0070.08017.96
7.0.40.0200.06020.27
7.0.30.0270.05020.07
7.0.20.0300.04320.21
7.0.10.0170.07320.05
7.0.00.0070.05720.05
5.6.280.0070.07021.08
5.6.210.0200.06720.61
5.6.200.0070.08018.29
5.6.190.0130.08320.50
5.6.180.0200.04020.59
5.6.170.0370.06320.39
5.6.160.0000.09020.52
5.6.150.0070.07718.27
5.6.140.0100.07318.12
5.6.130.0070.08018.23
5.6.120.0070.04020.89
5.6.110.0070.08021.05
5.6.100.0170.07721.00
5.6.90.0100.07321.12
5.6.80.0000.04020.53
5.5.350.0200.05020.42
5.5.340.0030.05017.96
5.5.330.0100.08020.40
5.5.320.0330.04020.27
5.5.310.0400.07320.27
5.5.300.0100.07317.96
5.5.290.0030.04018.02
5.5.280.0070.06320.65
5.5.270.0030.05720.78
5.5.260.0100.08720.88
5.5.250.0070.08020.62
5.5.240.0070.04320.16
5.4.450.0370.04319.17
5.4.440.0300.06019.57
5.4.430.0530.05319.42
5.4.420.0770.05719.54
5.4.410.0600.04019.51
5.4.400.0670.04019.09
5.4.390.0700.04719.06
5.4.380.0300.08018.59
5.4.370.0200.05718.46
5.4.360.0270.05318.72
5.4.350.0270.06318.57
5.4.340.0330.05318.80
5.4.320.0060.03912.50
5.4.310.0090.03512.50
5.4.300.0060.03612.50
5.4.290.0050.03812.49
5.4.280.0050.03512.39
5.4.270.0050.03712.40
5.4.260.0070.03812.39
5.4.250.0090.03412.39
5.4.240.0090.04712.39
5.4.230.0110.04712.39
5.4.220.0060.03712.39
5.4.210.0070.03312.38
5.4.200.0060.04312.39
5.4.190.0050.04212.38
5.4.180.0060.04312.38
5.4.170.0070.03912.39
5.4.160.0060.04012.39
5.4.150.0070.04512.39
5.4.140.0040.03912.07
5.4.130.0070.03912.05
5.4.120.0050.04212.01
5.4.110.0060.03412.01
5.4.100.0030.03812.02
5.4.90.0070.03612.01
5.4.80.0060.03712.01
5.4.70.0060.04312.01
5.4.60.0040.03712.01
5.4.50.0090.03212.01
5.4.40.0070.03412.00
5.4.30.0050.03611.99
5.4.20.0050.03612.00
5.4.10.0070.03411.99
5.4.00.0050.03711.48
5.3.290.0080.04312.80
5.3.280.0130.04612.71
5.3.270.0110.04612.73
5.3.260.0040.04112.72
5.3.250.0090.03412.72
5.3.240.0090.04012.72
5.3.230.0080.03512.71
5.3.220.0040.04512.68
5.3.210.0010.04312.68
5.3.200.0100.03212.68
5.3.190.0040.04512.68
5.3.180.0070.04312.68
5.3.170.0070.04112.67
5.3.160.0100.03612.68
5.3.150.0070.03712.67
5.3.140.0060.04012.66
5.3.130.0080.04012.66
5.3.120.0090.03612.66
5.3.110.0080.03712.66
5.3.100.0090.03912.13
5.3.90.0110.03612.11
5.3.80.0110.03112.11
5.3.70.0060.04012.11
5.3.60.0040.04612.08
5.3.50.0100.03612.04
5.3.40.0060.03612.04
5.3.30.0080.03611.99
5.3.20.0070.03711.77
5.3.10.0030.03611.74
5.3.00.0060.05111.73
5.2.170.0030.0319.19
5.2.160.0070.0339.19
5.2.150.0040.0309.18
5.2.140.0060.0329.18
5.2.130.0090.0439.14
5.2.120.0050.0289.14
5.2.110.0070.0279.14
5.2.100.0060.0279.14
5.2.90.0060.0279.14
5.2.80.0060.0299.14
5.2.70.0080.0279.14
5.2.60.0070.0309.10
5.2.50.0050.0379.06
5.2.40.0040.0299.04
5.2.30.0060.0279.02
5.2.20.0070.0329.00
5.2.10.0070.0268.93
5.2.00.0060.0278.78
5.1.60.0040.0258.07
5.1.50.0050.0358.06
5.1.40.0010.0368.05
5.1.30.0070.0298.40
5.1.20.0100.0338.42
5.1.10.0040.0268.14
5.1.00.0040.0258.14
5.0.50.0050.0226.63
5.0.40.0050.0246.49
5.0.30.0040.0396.29
5.0.20.0050.0186.27
5.0.10.0040.0196.25
5.0.00.0040.0296.24
4.4.90.0000.0204.78
4.4.80.0020.0154.76
4.4.70.0040.0184.76
4.4.60.0030.0144.76
4.4.50.0030.0214.77
4.4.40.0020.0274.71
4.4.30.0070.0184.76
4.4.20.0020.0204.84
4.4.10.0030.0154.85
4.4.00.0030.0324.76
4.3.110.0050.0184.67
4.3.100.0030.0144.66
4.3.90.0020.0184.64
4.3.80.0040.0234.58
4.3.70.0010.0164.63
4.3.60.0010.0194.63
4.3.50.0020.0194.62
4.3.40.0030.0304.54
4.3.30.0030.0143.29
4.3.20.0020.0273.26
4.3.10.0040.0133.22
4.3.00.0170.01713.43

preferences:
41.79 ms | 401 KiB | 5 Q