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, $b) { var_dump($a, $b, $a === $b); return $a === $b; }); echo PHP_EOL . 'Array contents' . PHP_EOL; var_dump($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)
8.3.60.0100.01016.63
8.3.50.0070.01120.06
8.3.40.0120.00318.89
8.3.30.0060.01319.21
8.3.20.0040.00420.33
8.3.10.0080.00023.60
8.3.00.0030.00517.75
8.2.180.0180.00418.54
8.2.170.0110.00422.96
8.2.160.0140.00020.39
8.2.150.0000.00924.18
8.2.140.0030.00524.66
8.2.130.0090.00026.16
8.2.120.0040.00421.04
8.2.110.0000.01022.10
8.2.100.0060.00621.01
8.2.90.0040.00419.17
8.2.80.0080.00017.97
8.2.70.0030.00517.63
8.2.60.0040.00417.93
8.2.50.0040.00418.07
8.2.40.0080.00019.89
8.2.30.0040.00418.03
8.2.20.0070.00017.68
8.2.10.0000.00718.05
8.2.00.0040.00417.67
8.1.280.0110.00325.92
8.1.270.0000.00823.72
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0030.00623.91
8.1.230.0060.00619.08
8.1.220.0030.00617.74
8.1.210.0060.00318.77
8.1.200.0060.00717.35
8.1.190.0040.00417.35
8.1.180.0050.00518.10
8.1.170.0040.00418.71
8.1.160.0070.00021.97
8.1.150.0000.00718.77
8.1.140.0000.00817.52
8.1.130.0000.00717.82
8.1.120.0040.00417.51
8.1.110.0060.00317.51
8.1.100.0000.00717.53
8.1.90.0050.00217.51
8.1.80.0000.00717.46
8.1.70.0000.00717.42
8.1.60.0060.00317.51
8.1.50.0080.00017.59
8.1.40.0080.00317.43
8.1.30.0000.00817.55
8.1.20.0040.00417.55
8.1.10.0040.00417.64
8.1.00.0000.00717.41
8.0.300.0040.00418.77
8.0.290.0000.00716.75
8.0.280.0030.00318.46
8.0.270.0030.00317.24
8.0.260.0060.00017.18
8.0.250.0070.00016.98
8.0.240.0030.00517.01
8.0.230.0070.00017.00
8.0.220.0040.00416.84
8.0.210.0080.00016.93
8.0.200.0030.00317.01
8.0.190.0060.00316.98
8.0.180.0080.00016.99
8.0.170.0000.00816.99
8.0.160.0040.00416.94
8.0.150.0040.00416.80
8.0.140.0070.00016.96
8.0.130.0050.00013.35
8.0.120.0030.00616.92
8.0.110.0040.00416.77
8.0.100.0040.00416.79
8.0.90.0030.00516.98
8.0.80.0070.01416.93
8.0.70.0040.00417.05
8.0.60.0000.00817.02
8.0.50.0020.00516.82
8.0.30.0120.01117.01
8.0.20.0130.01217.40
8.0.10.0070.00016.87
8.0.00.0110.00717.03
7.4.330.0020.00215.21
7.4.320.0040.00416.52
7.4.300.0040.00416.49
7.4.290.0000.00716.50
7.4.280.0040.00416.51
7.4.270.0070.00016.50
7.4.260.0000.00716.52
7.4.250.0030.00616.41
7.4.240.0020.00516.51
7.4.230.0070.00016.52
7.4.220.0100.00716.71
7.4.210.0100.01016.59
7.4.200.0070.00016.61
7.4.160.0160.00016.49
7.4.150.0170.00317.40
7.4.140.0140.00717.86
7.4.130.0140.00616.49
7.4.120.0050.01316.60
7.4.110.0180.00016.56
7.4.100.0090.00916.53
7.4.90.0080.00816.29
7.4.80.0070.01119.39
7.4.70.0100.01316.57
7.4.60.0070.01116.49
7.4.50.0040.00016.32
7.4.40.0190.00316.59
7.4.30.0060.01416.62
7.4.00.0060.01115.00
7.3.330.0030.00313.30
7.3.320.0050.00013.36
7.3.310.0030.00416.18
7.3.300.0030.00316.38
7.3.290.0070.00716.36
7.3.280.0080.00716.34
7.3.270.0080.01217.40
7.3.260.0060.01216.29
7.3.250.0080.01016.28
7.3.240.0040.01516.32
7.3.230.0040.01516.46
7.3.210.0130.00616.57
7.3.200.0060.01219.39
7.3.190.0080.00816.14
7.3.180.0120.00616.35
7.3.170.0130.00716.35
7.3.160.0000.01616.52
7.3.10.0060.00616.64
7.3.00.0040.00716.89
7.2.330.0000.01816.87
7.2.320.0070.01016.88
7.2.310.0030.01316.64
7.2.300.0140.01116.47
7.2.290.0120.00916.76
7.2.130.0000.01017.06
7.2.120.0070.01016.90
7.2.110.0040.00816.80
7.2.100.0040.00716.98
7.2.90.0030.00917.08
7.2.80.0040.01117.05
7.2.70.0000.00916.82
7.2.60.0090.00816.85
7.2.50.0070.00716.96
7.2.40.0060.00617.07
7.2.30.0100.00316.86
7.2.20.0090.00616.84
7.2.10.0040.00416.89
7.2.00.0000.01717.09
7.1.250.0040.00715.83
7.1.200.0000.01015.71
7.1.70.0000.00816.84
7.1.60.0070.01419.40
7.1.50.0070.01517.06
7.1.00.0030.07722.43
7.0.200.0340.00614.63
7.0.140.0070.07322.08
7.0.60.0130.05719.94
7.0.50.0070.07017.86
7.0.40.0030.08720.02
7.0.30.0230.03720.25
7.0.20.0270.04320.02
7.0.10.0070.05020.15
7.0.00.0100.08020.15
5.6.280.0000.07321.05
5.6.210.0070.03720.52
5.6.200.0070.03718.18
5.6.190.0100.05720.73
5.6.180.0270.05320.77
5.6.170.0230.06320.56
5.6.160.0130.03320.48
5.6.150.0130.07318.15
5.6.140.0070.04018.18
5.6.130.0070.08318.29
5.6.120.0100.03721.01
5.6.110.0100.08021.11
5.6.100.0070.08021.13
5.6.90.0070.06321.11
5.6.80.0030.06020.37
5.5.350.0000.04720.38
5.5.340.0070.05018.09
5.5.330.0070.04720.37
5.5.320.0130.05320.41
5.5.310.0300.04320.34
5.5.300.0000.08718.01
5.5.290.0100.06717.99
5.5.280.0100.03320.98
5.5.270.0000.04720.73
5.5.260.0100.06720.87
5.5.250.0100.06320.55
5.5.240.0270.04720.36
5.4.450.0270.04719.57
5.4.440.0270.04719.39
5.4.430.0730.04719.54
5.4.420.1430.04019.54
5.4.410.0730.04019.42
5.4.400.0670.03719.27
5.4.390.0730.03019.23
5.4.380.1030.05718.63
5.4.370.0730.05318.63
5.4.360.1100.05018.62
5.4.350.0930.04718.48
5.4.340.0800.04318.50
5.4.320.0050.03712.50
5.4.310.0070.03812.50
5.4.300.0110.05312.50
5.4.290.0060.03812.50
5.4.280.0050.03512.39
5.4.270.0100.04012.39
5.4.260.0080.03712.39
5.4.250.0100.03512.39
5.4.240.0050.03912.39
5.4.230.0050.03812.38
5.4.220.0040.03712.39
5.4.210.0070.04612.39
5.4.200.0040.04812.39
5.4.190.0080.03912.38
5.4.180.0050.04112.38
5.4.170.0090.03712.40
5.4.160.0090.04312.39
5.4.150.0040.03812.39
5.4.140.0070.04612.07
5.4.130.0070.03912.06
5.4.120.0070.03512.02
5.4.110.0070.03412.01
5.4.100.0080.03512.02
5.4.90.0030.04012.01
5.4.80.0050.03712.01
5.4.70.0040.03812.01
5.4.60.0060.05112.01
5.4.50.0060.03912.01
5.4.40.0050.03512.00
5.4.30.0070.03511.99
5.4.20.0110.03612.00
5.4.10.0080.03311.99
5.4.00.0060.03611.48
5.3.290.0090.03712.80
5.3.280.0070.03712.71
5.3.270.0060.04612.72
5.3.260.0080.03812.72
5.3.250.0060.03812.72
5.3.240.0050.03912.72
5.3.230.0110.03612.71
5.3.220.0050.03812.68
5.3.210.0070.03812.68
5.3.200.0060.03512.68
5.3.190.0090.04212.68
5.3.180.0060.04212.67
5.3.170.0070.04212.67
5.3.160.0100.04212.68
5.3.150.0070.03712.67
5.3.140.0090.03912.66
5.3.130.0060.04212.66
5.3.120.0080.03812.66
5.3.110.0080.03712.66
5.3.100.0070.03612.13
5.3.90.0080.03912.11
5.3.80.0070.04012.11
5.3.70.0030.04112.11
5.3.60.0070.04112.08
5.3.50.0090.04112.03
5.3.40.0040.03812.03
5.3.30.0020.03811.99
5.3.20.0100.04211.77
5.3.10.0060.04311.73
5.3.00.0060.04011.73
5.2.170.0030.0329.19
5.2.160.0030.0309.19
5.2.150.0050.0399.18
5.2.140.0030.0369.18
5.2.130.0010.0339.14
5.2.120.0050.0299.14
5.2.110.0060.0389.15
5.2.100.0020.0309.15
5.2.90.0070.0339.15
5.2.80.0060.0289.14
5.2.70.0060.0319.14
5.2.60.0030.0319.09
5.2.50.0060.0349.07
5.2.40.0050.0289.04
5.2.30.0020.0329.02
5.2.20.0060.0279.00
5.2.10.0080.0288.92
5.2.00.0070.0278.79
5.1.60.0060.0228.07
5.1.50.0050.0238.07
5.1.40.0050.0228.05
5.1.30.0050.0328.40
5.1.20.0040.0318.42
5.1.10.0070.0268.14
5.1.00.0040.0268.15
5.0.50.0020.0266.62
5.0.40.0010.0216.48
5.0.30.0050.0296.30
5.0.20.0000.0246.27
5.0.10.0060.0226.24
5.0.00.0040.0316.24
4.4.90.0010.0194.78
4.4.80.0060.0144.75
4.4.70.0050.0154.76
4.4.60.0020.0164.75
4.4.50.0050.0174.77
4.4.40.0020.0264.71
4.4.30.0030.0184.75
4.4.20.0060.0144.84
4.4.10.0020.0174.85
4.4.00.0030.0254.76
4.3.110.0010.0174.67
4.3.100.0010.0164.67
4.3.90.0010.0164.64
4.3.80.0060.0294.59
4.3.70.0030.0174.63
4.3.60.0020.0154.63
4.3.50.0040.0194.63
4.3.40.0020.0334.54
4.3.30.0030.0213.29
4.3.20.0020.0213.27
4.3.10.0020.0163.22
4.3.00.0070.01713.43

preferences:
62.4 ms | 400 KiB | 5 Q