3v4l.org

run code in 300+ PHP versions simultaneously
<?php $itemList = array( array(new stdClass, new stdClass, new stdClass, new stdClass) ); function doCompare($a, $b) { echo 'A:'; var_dump($a); echo 'B:'; var_dump($b); var_dump($a === b); return ($a === $b) ? 0 : 1; }; foreach ($itemList as $item) { echo 'Comparing: '; var_dump($item); var_dump(array_udiff($item, $item, 'doCompare')); echo "\n\n"; }

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)
8.3.60.0070.00716.63
8.3.50.0130.00522.93
8.3.40.0070.00718.83
8.3.30.0110.00418.91
8.3.20.0040.00420.34
8.3.10.0050.00323.51
8.3.00.0080.00019.13
8.2.180.0030.01216.73
8.2.170.0090.00622.96
8.2.160.0100.00720.35
8.2.150.0050.00324.18
8.2.140.0040.00424.66
8.2.130.0140.00026.16
8.2.120.0040.00421.16
8.2.110.0090.00319.21
8.2.100.0080.00317.84
8.2.90.0040.00418.03
8.2.80.0000.00917.97
8.2.70.0060.00317.62
8.2.60.0030.00617.80
8.2.50.0040.00718.07
8.2.40.0000.00918.16
8.2.30.0030.00517.94
8.2.20.0050.00317.80
8.2.10.0050.00218.09
8.2.00.0030.00617.64
8.1.280.0150.00025.92
8.1.270.0080.00023.59
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0070.01122.45
8.1.230.0000.01121.04
8.1.220.0030.00717.79
8.1.210.0050.00319.09
8.1.200.0070.00317.35
8.1.190.0000.00817.13
8.1.180.0040.00418.10
8.1.170.0040.00418.59
8.1.160.0040.00422.08
8.1.150.0050.00319.00
8.1.140.0040.00417.33
8.1.130.0030.00317.92
8.1.120.0040.00417.48
8.1.110.0000.00817.37
8.1.100.0070.00317.45
8.1.90.0040.00417.36
8.1.80.0040.00417.41
8.1.70.0070.00017.47
8.1.60.0030.00517.60
8.1.50.0020.00517.43
8.1.40.0030.00817.54
8.1.30.0000.00817.62
8.1.20.0080.00017.72
8.1.10.0030.00617.55
8.1.00.0040.00417.49
8.0.300.0050.00319.94
8.0.290.0070.00016.75
8.0.280.0040.00418.32
8.0.270.0040.00417.33
8.0.260.0000.00617.32
8.0.250.0040.00416.92
8.0.240.0070.00017.03
8.0.230.0040.00416.91
8.0.220.0000.00716.92
8.0.210.0030.00316.96
8.0.200.0000.00817.06
8.0.190.0040.00417.01
8.0.180.0000.00717.03
8.0.170.0000.00816.85
8.0.160.0040.00417.02
8.0.150.0030.00316.88
8.0.140.0040.00416.91
8.0.130.0030.00313.36
8.0.120.0040.00416.92
8.0.110.0070.00016.86
8.0.100.0020.00516.79
8.0.90.0000.00717.00
8.0.80.0100.00716.98
8.0.70.0040.00417.02
8.0.60.0080.00016.95
8.0.50.0000.00716.84
8.0.30.0140.00717.09
8.0.20.0110.00917.40
8.0.10.0030.00517.06
8.0.00.0150.00316.93
7.4.330.0000.00515.20
7.4.320.0030.00316.53
7.4.300.0070.00016.52
7.4.290.0040.00416.61
7.4.280.0030.00516.39
7.4.270.0000.00816.62
7.4.260.0040.00716.60
7.4.250.0080.00016.55
7.4.240.0020.00616.52
7.4.230.0050.00216.71
7.4.220.0090.00916.67
7.4.210.0120.00316.61
7.4.200.0050.00216.61
7.4.160.0060.00916.64
7.4.150.0040.01317.40
7.4.140.0200.01217.86
7.4.130.0070.01216.55
7.4.120.0080.01016.55
7.4.110.0100.01616.73
7.4.100.0070.01416.73
7.4.90.0070.01316.55
7.4.80.0130.00619.39
7.4.70.0040.01616.50
7.4.60.0080.00816.59
7.4.50.0070.00016.49
7.4.40.0030.01616.52
7.4.30.0030.01916.59
7.4.00.0060.00914.88
7.3.330.0000.00513.25
7.3.320.0030.00313.15
7.3.310.0070.00016.41
7.3.300.0030.00316.44
7.3.290.0130.00616.48
7.3.280.0090.00716.44
7.3.270.0130.00617.40
7.3.260.0160.00416.50
7.3.250.0080.01116.67
7.3.240.0100.00716.37
7.3.230.0100.00716.63
7.3.210.0120.00616.45
7.3.200.0090.01319.39
7.3.190.0150.00416.35
7.3.180.0130.00316.32
7.3.170.0120.00416.43
7.3.160.0100.00716.41
7.2.330.0090.01016.82
7.2.320.0100.00716.52
7.2.310.0070.01416.57
7.2.300.0090.00916.44
7.2.290.0100.00716.77
7.2.60.0030.00916.95
7.2.00.0060.00619.57
7.1.200.0100.00315.89
7.1.100.0040.00817.91
7.1.70.0000.00716.88
7.1.60.0100.01319.40
7.1.50.0080.00416.70
7.1.00.0070.07322.35
7.0.200.0040.00416.63
7.0.140.0000.07721.97
7.0.60.0130.06019.98
7.0.50.0100.04017.84
7.0.40.0100.08720.20
7.0.30.0300.07720.13
7.0.20.0230.08320.09
7.0.10.0130.07320.16
7.0.00.0100.08020.20
5.6.280.0130.06321.11
5.6.210.0170.05720.70
5.6.200.0030.08318.16
5.6.190.0100.08320.46
5.6.180.0370.07320.34
5.6.170.0270.05320.53
5.6.160.0130.04720.52
5.6.150.0030.07718.14
5.6.140.0070.08018.27
5.6.130.0170.06718.21
5.6.120.0100.07721.12
5.6.110.0030.08020.86
5.6.100.0070.04021.01
5.6.90.0170.07721.11
5.6.80.0170.06320.41
5.5.350.3170.03320.32
5.5.340.0170.06717.95
5.5.330.0100.05020.29
5.5.320.0200.06720.27
5.5.310.0370.05720.23
5.5.300.0070.04017.97
5.5.290.0030.04018.07
5.5.280.0130.07020.88
5.5.270.0030.06720.79
5.5.260.0030.07020.89
5.5.250.0100.05720.69
5.5.240.0000.08320.07
5.4.450.0130.05319.20
5.4.440.0270.04719.32
5.4.430.0070.04719.51
5.4.420.0430.04719.47
5.4.410.0470.03719.07
5.4.400.0270.04319.32
5.4.390.0500.04718.87
5.4.380.0130.06018.68
5.4.370.0200.04718.63
5.4.360.0030.06718.76
5.4.350.0170.05318.52
5.4.340.0070.05718.59
5.4.320.0090.03712.50
5.4.310.0070.04112.50
5.4.300.0040.03912.51
5.4.290.0040.04112.50
5.4.280.0050.03612.40
5.4.270.0070.03612.40
5.4.260.0040.04012.39
5.4.250.0080.03712.40
5.4.240.0090.03412.40
5.4.230.0090.03612.39
5.4.220.0060.03712.39
5.4.210.0080.03812.39
5.4.200.0070.03712.39
5.4.190.0090.03712.39
5.4.180.0110.03212.39
5.4.170.0070.03912.40
5.4.160.0080.03412.39
5.4.150.0110.03312.39
5.4.140.0060.03812.07
5.4.130.0090.03312.05
5.4.120.0060.04412.02
5.4.110.0080.03712.02
5.4.100.0060.03612.02
5.4.90.0050.03812.01
5.4.80.0060.04112.01
5.4.70.0080.03512.01
5.4.60.0050.05112.01
5.4.50.0090.03312.01
5.4.40.0090.03512.00
5.4.30.0100.03211.99
5.4.20.0050.03611.99
5.4.10.0040.04111.99
5.4.00.0080.03311.48
5.3.290.0020.04312.80
5.3.280.0060.03912.71
5.3.270.0050.04012.73
5.3.260.0090.03812.72
5.3.250.0030.04012.71
5.3.240.0060.04312.72
5.3.230.0080.03612.70
5.3.220.0100.03612.68
5.3.210.0030.04412.68
5.3.200.0070.04312.68
5.3.190.0100.03712.68
5.3.180.0090.04112.68
5.3.170.0030.04012.67
5.3.160.0100.03712.67
5.3.150.0070.03712.67
5.3.140.0060.04212.66
5.3.130.0080.04612.66
5.3.120.0060.04412.66
5.3.110.0060.04112.66
5.3.100.0090.04012.12
5.3.90.0120.04012.09
5.3.80.0050.04212.09
5.3.70.0110.03412.09
5.3.60.0070.04212.08
5.3.50.0080.04112.02
5.3.40.0060.03612.02
5.3.30.0060.03511.98
5.3.20.0080.03611.76
5.3.10.0070.03411.73
5.3.00.0070.04211.72
5.2.170.0080.0379.21
5.2.160.0050.0329.21
5.2.150.0070.0349.21
5.2.140.0070.0369.21
5.2.130.0050.0299.17
5.2.120.0040.0369.17
5.2.110.0050.0319.18
5.2.100.0060.0289.18
5.2.90.0090.0259.18
5.2.80.0060.0339.17
5.2.70.0090.0339.17
5.2.60.0060.0379.13
5.2.50.0060.0309.09
5.2.40.0100.0259.07
5.2.30.0040.0309.05
5.2.20.0050.0329.03
5.2.10.0050.0298.95
5.2.00.0060.0368.80
5.1.60.0080.0218.09
5.1.50.0070.0268.08
5.1.40.0050.0268.07
5.1.30.0080.0268.42
5.1.20.0040.0358.44
5.1.10.0060.0288.16
5.1.00.0060.0248.16
5.0.50.0050.0196.64
5.0.40.0040.0196.50
5.0.30.0040.0316.32
5.0.20.0030.0206.28
5.0.10.0040.0196.25
5.0.00.0070.0306.25
4.4.90.0030.0224.78
4.4.80.0060.0174.76
4.4.70.0030.0154.75
4.4.60.0020.0164.75
4.4.50.0040.0234.77
4.4.40.0040.0294.71
4.4.30.0010.0174.76
4.4.20.0040.0144.85
4.4.10.0040.0144.85
4.4.00.0060.0264.76
4.3.110.0020.0204.67
4.3.100.0040.0174.66
4.3.90.0050.0154.64
4.3.80.0020.0254.58
4.3.70.0020.0154.63
4.3.60.0060.0134.63
4.3.50.0050.0224.63
4.3.40.0040.0284.54
4.3.30.0020.0223.30
4.3.20.0030.0143.28
4.3.10.0020.0163.24
4.3.00.0000.01715.63

preferences:
35.93 ms | 401 KiB | 5 Q