3v4l.org

run code in 300+ PHP versions simultaneously
<?php $itemList = array( array(0), array(1), array(0,1), array(0,1,2,3,4), array(new stdClass), array(new stdClass, new stdClass), array(new stdClass, new stdClass, new stdClass) ); function doCompare($a, $b) { echo 'A: '; var_dump($a); echo 'B: '; var_dump($b); return $a === $b; }; foreach ($itemList as $item) { 'Comparing: '; var_dump($item); var_dump(array_udiff($item, $item, 'doCompare')); echo PHP_EOL.PHP_EOL.PHP_EOL; }

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)
8.3.60.0070.01118.30
8.3.50.0170.00322.93
8.3.40.0040.01218.83
8.3.30.0060.00919.09
8.3.20.0090.00020.26
8.3.10.0040.00423.48
8.3.00.0090.00019.51
8.2.180.0170.00316.50
8.2.170.0120.00322.96
8.2.160.0070.00720.47
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0100.01426.16
8.2.120.0060.01221.08
8.2.110.0030.00622.29
8.2.100.0090.00318.03
8.2.90.0040.00419.29
8.2.80.0000.00817.97
8.2.70.0030.00617.38
8.2.60.0000.00918.04
8.2.50.0000.00918.07
8.2.40.0050.00319.95
8.2.30.0040.00418.09
8.2.20.0080.00017.71
8.2.10.0060.00318.09
8.2.00.0070.00017.70
8.1.280.0060.00925.92
8.1.270.0000.00923.84
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0040.00423.95
8.1.230.0090.00319.08
8.1.220.0040.00417.76
8.1.210.0030.00618.77
8.1.200.0060.00317.36
8.1.190.0080.00017.23
8.1.180.0040.00418.10
8.1.170.0080.00018.59
8.1.160.0000.00721.91
8.1.150.0030.00618.91
8.1.140.0040.00417.48
8.1.130.0040.00417.76
8.1.120.0020.00517.48
8.1.110.0060.00317.50
8.1.100.0030.00717.38
8.1.90.0000.00817.45
8.1.80.0030.00717.54
8.1.70.0030.00317.48
8.1.60.0000.00917.61
8.1.50.0030.00617.58
8.1.40.0080.00317.48
8.1.30.0040.00417.56
8.1.20.0030.00517.71
8.1.10.0040.00417.50
8.1.00.0000.00817.50
8.0.300.0040.00418.77
8.0.290.0000.00816.88
8.0.280.0040.00418.46
8.0.270.0070.00017.20
8.0.260.0070.00017.32
8.0.250.0040.00417.08
8.0.240.0030.00617.04
8.0.230.0000.00816.89
8.0.220.0030.00317.02
8.0.210.0040.00416.96
8.0.200.0070.00017.03
8.0.190.0030.00617.09
8.0.180.0000.00716.89
8.0.170.0000.00816.91
8.0.160.0000.00816.95
8.0.150.0050.00216.91
8.0.140.0040.00416.93
8.0.130.0060.00013.41
8.0.120.0060.00316.95
8.0.110.0000.00817.05
8.0.100.0020.00516.79
8.0.90.0040.00416.79
8.0.80.0100.00616.91
8.0.70.0030.00517.02
8.0.60.0000.00817.07
8.0.50.0030.00516.77
8.0.30.0220.00817.17
8.0.20.0120.01317.40
8.0.10.0040.00416.98
8.0.00.0120.00916.94
7.4.330.0050.00015.12
7.4.320.0030.00316.54
7.4.300.0060.00016.48
7.4.290.0050.00316.67
7.4.280.0050.00316.55
7.4.270.0000.00716.59
7.4.260.0000.00816.52
7.4.250.0040.00416.56
7.4.240.0030.00516.52
7.4.230.0070.00016.64
7.4.220.0110.00816.47
7.4.210.0100.01016.58
7.4.200.0000.00816.60
7.4.160.0130.00416.59
7.4.150.0160.00817.40
7.4.140.0120.00817.86
7.4.130.0130.00616.51
7.4.120.0120.00916.52
7.4.110.0030.01716.42
7.4.100.0120.01116.53
7.4.90.0120.00616.61
7.4.80.0110.00919.39
7.4.70.0100.00816.54
7.4.60.0120.00616.63
7.4.50.0030.00316.58
7.4.40.0080.01416.36
7.4.30.0160.00716.40
7.4.00.0030.01314.87
7.3.330.0020.00513.38
7.3.320.0000.00513.20
7.3.310.0070.00016.39
7.3.300.0030.00316.21
7.3.290.0000.01516.46
7.3.280.0110.00716.35
7.3.270.0090.01317.40
7.3.260.0090.00916.63
7.3.250.0090.01216.41
7.3.240.0120.00616.64
7.3.230.0100.01016.70
7.3.210.0170.00316.29
7.3.200.0180.00019.39
7.3.190.0100.01316.61
7.3.180.0090.00916.48
7.3.170.0060.01016.70
7.3.160.0000.01816.59
7.3.10.0070.00916.46
7.3.00.0080.00716.32
7.2.330.0130.00516.63
7.2.320.0080.01416.80
7.2.310.0070.01016.65
7.2.300.0070.01116.82
7.2.290.0150.00916.40
7.2.130.0100.00616.80
7.2.120.0160.00516.76
7.2.110.0100.01016.69
7.2.100.0070.01216.45
7.2.90.0090.01117.02
7.2.80.0050.01516.85
7.2.70.0040.01116.89
7.2.60.0100.00316.76
7.2.50.0050.00716.78
7.2.40.0050.00716.94
7.2.30.0110.00316.82
7.2.20.0020.00816.57
7.2.10.0090.00516.90
7.2.00.0060.00817.74
7.1.250.0100.00515.74
7.1.240.0070.00715.95
7.1.230.0030.01315.71
7.1.220.0060.00315.89
7.1.210.0060.00615.80
7.1.200.0070.00415.71
7.1.190.0030.00615.65
7.1.180.0120.00015.78
7.1.170.0030.00615.74
7.1.160.0000.01215.93
7.1.150.0040.00715.72
7.1.140.0030.00915.94
7.1.130.0030.00915.87
7.1.120.0000.01615.99
7.1.110.0040.00715.99
7.1.100.0080.00216.72
7.1.90.0060.00915.76
7.1.80.0030.01015.85
7.1.70.0050.00416.49
7.1.60.0100.00817.62
7.1.50.0080.01116.37
7.1.40.0100.00315.51
7.1.30.0070.00415.72
7.1.20.0030.00715.99
7.1.10.0000.01715.70
7.1.00.0020.04219.06
7.0.330.0100.00615.51
7.0.320.0030.01015.37
7.0.310.0030.01015.47
7.0.300.0080.00615.09
7.0.290.0060.00615.53
7.0.280.0030.00715.40
7.0.270.0040.01115.34
7.0.260.0040.00815.31
7.0.250.0040.01115.52
7.0.240.0110.00015.21
7.0.230.0060.01015.46
7.0.220.0000.00815.54
7.0.210.0030.00615.38
7.0.200.0020.01116.11
7.0.190.0070.00315.44
7.0.180.0070.00715.41
7.0.170.0030.00615.44
7.0.160.0040.00815.50
7.0.150.0070.00715.36
7.0.140.0050.03818.75
7.0.130.0040.00815.51
7.0.120.0070.00415.29
7.0.110.0120.00315.45
7.0.100.0040.00415.17
7.0.90.0100.00315.43
7.0.80.0060.00315.29
7.0.70.0000.00915.57
7.0.60.0070.02117.60
7.0.50.0050.02816.59
7.0.40.0050.03216.89
7.0.30.0150.02716.87
7.0.20.0130.02516.78
7.0.10.0040.04316.67
7.0.00.0070.04816.77
5.6.380.0060.00614.31
5.6.370.0060.00614.54
5.6.360.0100.00314.31
5.6.350.0070.00714.33
5.6.340.0000.00914.43
5.6.330.0050.00514.54
5.6.320.0030.01314.41
5.6.310.0030.00914.47
5.6.300.0030.00714.05
5.6.290.0060.00914.59
5.6.280.0090.03717.42
5.6.270.0030.01014.15
5.6.260.0040.01114.13
5.6.250.0030.01014.43
5.6.240.0030.00614.45
5.6.230.0040.00814.61
5.6.220.0060.00914.30
5.6.210.0050.04017.48
5.6.200.0100.04316.20
5.6.190.0080.02317.56
5.6.180.0210.04017.32
5.6.170.0150.04417.37
5.6.160.0020.04717.33
5.6.150.0090.03916.18
5.6.140.0080.04316.19
5.6.130.0090.03516.15
5.6.120.0060.04317.71
5.6.110.0020.03717.83
5.6.100.0070.03717.56
5.6.90.0100.04317.68
5.6.80.0080.04317.35
5.6.70.0030.01014.32
5.6.60.0060.00914.38
5.6.50.0110.00414.27
5.6.40.0070.00713.96
5.6.30.0060.00314.15
5.6.20.0000.01414.27
5.6.10.0040.01114.31
5.6.00.0070.00314.23
5.5.380.0000.01211.18
5.5.370.0030.01011.18
5.5.360.0030.00610.81
5.5.350.0150.04215.77
5.5.340.0020.03714.61
5.5.330.0090.02315.74
5.5.320.0130.04315.76
5.5.310.0160.04315.56
5.5.300.0040.04014.52
5.5.290.0070.03214.62
5.5.280.0090.03515.91
5.5.270.0060.04315.86
5.5.260.0150.03816.12
5.5.250.0040.02415.93
5.5.240.0100.03515.65
5.5.230.0030.01011.20
5.5.220.0100.00310.92
5.5.210.0070.00711.24
5.5.200.0060.00311.27
5.5.190.0080.00511.18
5.5.180.0060.00011.16
5.5.170.0070.00411.14
5.5.160.0060.00310.97
5.5.150.0040.00411.03
5.5.140.0000.01010.71
5.5.130.0040.00711.38
5.5.120.0090.00611.21
5.5.110.0040.01111.14
5.5.100.0070.00311.00
5.5.90.0030.00311.26
5.5.80.0040.00711.24
5.5.70.0000.01211.00
5.5.60.0110.00011.24
5.5.50.0040.00811.25
5.5.40.0040.00711.26
5.5.30.0000.01211.27
5.5.20.0000.00911.14
5.5.10.0000.01311.27
5.5.00.0000.01111.20
5.4.450.0310.03515.37
5.4.440.0420.03515.27
5.4.430.0380.03715.22
5.4.420.0350.02715.51
5.4.410.0070.03115.04
5.4.400.1280.03315.00
5.4.390.0100.03014.76
5.4.380.0050.03714.63
5.4.370.0050.03714.81
5.4.360.0120.02714.87
5.4.350.0090.02111.56
5.4.340.0050.02311.52
5.4.330.0070.00711.16
5.4.320.0040.02211.73
5.4.310.0070.02211.63
5.4.300.0020.02511.73
5.4.290.0050.02111.76
5.4.280.0060.02011.71
5.4.270.0050.02111.81
5.4.260.0060.02111.85
5.4.250.0060.02211.68
5.4.240.0050.02411.67
5.4.230.0050.02111.83
5.4.220.0050.02411.63
5.4.210.0020.02511.80
5.4.200.0050.02111.67
5.4.190.0060.02211.79
5.4.180.0050.02211.73
5.4.170.0080.01911.59
5.4.160.0070.02111.72
5.4.150.0070.02311.67
5.4.140.0020.02211.58
5.4.130.0040.02311.49
5.4.120.0050.02311.44
5.4.110.0040.02511.41
5.4.100.0040.02211.54
5.4.90.0070.02411.49
5.4.80.0040.02211.53
5.4.70.0080.01911.51
5.4.60.0070.02011.59
5.4.50.0070.02011.60
5.4.40.0080.01811.48
5.4.30.0040.02411.53
5.4.20.0050.01911.40
5.4.10.0070.02011.43
5.4.00.0050.02211.32
5.3.290.0060.02311.63
5.3.280.0060.01911.54
5.3.270.0060.02311.67
5.3.260.0040.02411.52
5.3.250.0070.02011.67
5.3.240.0060.02311.61
5.3.230.0040.02311.61
5.3.220.0040.02211.55
5.3.210.0010.02711.57
5.3.200.0050.02211.56
5.3.190.0040.02211.65
5.3.180.0060.01911.56
5.3.170.0050.01911.53
5.3.160.0080.01711.65
5.3.150.0060.02011.71
5.3.140.0030.02211.67
5.3.130.0050.02911.58
5.3.120.0070.02311.60
5.3.110.0040.02111.63
5.3.100.0100.02011.39
5.3.90.0050.02711.30
5.3.80.0050.02011.28
5.3.70.0050.02111.14
5.3.60.0040.02211.27
5.3.50.0070.01911.27
5.3.40.0070.02011.29
5.3.30.0040.02011.21
5.3.20.0050.01911.09
5.3.10.0040.02111.12
5.3.00.0040.02410.97
5.2.170.0070.0169.70
5.2.160.0060.0149.70
5.2.150.0070.0169.69
5.2.140.0080.0159.69
5.2.130.0080.0149.68
5.2.120.0050.0179.68
5.2.110.0050.0169.68
5.2.100.0030.0179.68
5.2.90.0060.0159.68
5.2.80.0020.0209.67
5.2.70.0020.0189.67
5.2.60.0060.0189.65
5.2.50.0050.0239.63
5.2.40.0050.0179.62
5.2.30.0040.0179.61
5.2.20.0030.0179.60
5.2.10.0040.0189.56
5.2.00.0040.0169.49
5.1.60.0040.0149.13
5.1.50.0040.0219.13
5.1.40.0030.0169.12
5.1.30.0020.0179.30
5.1.20.0060.0169.30
5.1.10.0090.0159.17
5.1.00.0070.0179.17
5.0.50.0050.0118.41
5.0.40.0040.0108.34
5.0.30.0040.0188.25
5.0.20.0040.0118.23
5.0.10.0030.0118.22
5.0.00.0050.0178.22
4.4.90.0040.0097.47
4.4.80.0030.0107.46
4.4.70.0000.0107.46
4.4.60.0030.0097.46
4.4.50.0040.0097.47
4.4.40.0040.0127.44
4.4.30.0040.0097.47
4.4.20.0030.0117.51
4.4.10.0040.0077.51
4.4.00.0030.0137.47
4.3.110.0030.0107.42
4.3.100.0020.0097.42
4.3.90.0020.0107.40
4.3.80.0020.0147.38
4.3.70.0020.0097.40
4.3.60.0020.0107.40
4.3.50.0020.0117.40
4.3.40.0030.0147.35
4.3.30.0010.0106.74
4.3.20.0040.0086.73
4.3.10.0010.0116.71
4.3.00.0130.0108.65

preferences:
41.22 ms | 400 KiB | 5 Q