3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [['A', 'B'],['C', 'B'],['B', 'C'],['A', 'A'],['B', 'A'],['B', 'B'],]; $temp = []; // temporary container $new_arr = array_filter($arr, function($e) use(&$temp) { $orig = $e; // create an original copy sort($e); // sort if(!in_array($e, $temp)) { $temp[] = $e; // push if doesn't exist yet return $orig; // return the orig } }); print_r($new_arr);

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)
8.5.00.0120.01222.04
8.4.150.0010.00114.05
8.4.140.0140.00717.44
8.4.130.0050.00617.70
8.4.120.0110.00920.30
8.4.110.0140.00618.81
8.4.100.0150.00717.64
8.4.90.0060.00324.41
8.4.80.0090.00218.85
8.4.70.0140.00917.89
8.4.60.0150.00618.68
8.4.50.0060.00219.71
8.4.40.0040.00417.77
8.4.30.0130.00617.60
8.4.20.0040.00420.51
8.4.10.0160.00317.67
8.3.280.0150.00718.58
8.3.270.0130.00816.86
8.3.260.0120.00716.87
8.3.250.0130.00619.06
8.3.240.0110.00916.88
8.3.230.0120.00716.62
8.3.220.0110.00919.11
8.3.210.0110.00916.73
8.3.200.0040.00516.49
8.3.190.0030.00517.30
8.3.180.0110.00917.18
8.3.170.0120.00616.52
8.3.160.0160.00316.86
8.3.150.0080.00817.18
8.3.140.0120.00616.48
8.3.130.0080.00018.73
8.3.120.0060.00320.88
8.3.110.0140.00716.85
8.3.100.0090.00616.57
8.3.90.0040.00426.77
8.3.80.0060.00316.63
8.3.70.0040.01816.63
8.3.60.0100.00718.05
8.3.50.0120.00922.03
8.3.40.0110.00418.55
8.3.30.0070.00718.55
8.3.20.0080.00020.81
8.3.10.0040.00421.83
8.3.00.0060.00320.77
8.2.290.0140.00519.10
8.2.280.0030.00518.70
8.2.270.0160.00317.00
8.2.260.0040.01418.67
8.2.250.0000.00816.58
8.2.240.0160.00318.96
8.2.230.0040.00420.94
8.2.220.0090.00024.06
8.2.210.0030.00526.77
8.2.200.0060.00316.50
8.2.190.0120.00616.88
8.2.180.0110.00818.16
8.2.170.0030.01418.94
8.2.160.0110.00422.96
8.2.150.0080.00025.66
8.2.140.0000.00724.66
8.2.130.0040.00426.16
8.2.120.0030.00519.82
8.2.110.0060.00321.04
8.2.100.0030.00817.84
8.2.90.0000.00820.42
8.2.80.0050.00318.05
8.2.70.0040.00418.04
8.2.60.0050.00318.22
8.2.50.0040.00418.10
8.2.40.0040.00420.64
8.2.30.0000.00719.26
8.2.20.0040.00418.12
8.2.10.0040.00418.02
8.2.00.0040.00417.84
8.1.330.0090.01018.54
8.1.320.0140.00616.10
8.1.310.0090.00916.80
8.1.300.0000.00918.00
8.1.290.0040.00430.84
8.1.280.0070.01425.92
8.1.270.0070.00023.82
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0140.00022.13
8.1.230.0080.00320.92
8.1.220.0040.00417.74
8.1.210.0040.00419.08
8.1.200.0030.00617.35
8.1.190.0000.00917.13
8.1.180.0000.00818.10
8.1.170.0000.00918.83
8.1.160.0040.00418.77
8.1.150.0000.00820.27
8.1.140.0040.00419.58
8.1.130.0000.00817.51
8.1.120.0040.00417.47
8.1.110.0040.00417.43
8.1.100.0000.00717.36
8.1.90.0040.00417.47
8.1.80.0080.00017.52
8.1.70.0040.00417.46
8.1.60.0070.00017.50
8.1.50.0040.00417.52
8.1.40.0000.00717.56
8.1.30.0060.00317.52
8.1.20.0000.00917.67
8.1.10.0050.00217.43
8.1.00.0040.00417.49
8.0.300.0000.00719.99
8.0.290.0040.00416.75
8.0.280.0030.00318.38
8.0.270.0050.00217.18
8.0.260.0090.00016.79
8.0.250.0000.00716.93
8.0.240.0030.00316.97
8.0.230.0000.00916.90
8.0.220.0050.00216.83
8.0.210.0040.00416.84
8.0.200.0030.00316.87
8.0.190.0040.00416.95
8.0.180.0040.00416.93
8.0.170.0000.00716.84
8.0.160.0050.00316.78
8.0.150.0000.00816.86
8.0.140.0000.00816.86
8.0.130.0050.00313.28
8.0.120.0040.00416.73
8.0.110.0030.00316.80
8.0.100.0000.00716.86
8.0.90.0000.00816.84
8.0.80.0140.00716.87
8.0.70.0080.00016.88
8.0.60.0040.00416.92
8.0.50.0040.00416.77
8.0.30.0120.00717.08
8.0.20.0110.00817.40
8.0.10.0000.00816.82
8.0.00.0100.00716.81
7.4.330.0000.00515.55
7.4.320.0030.00316.57
7.4.300.0060.00016.62
7.4.290.0000.00716.60
7.4.280.0040.00416.59
7.4.270.0070.00016.45
7.4.260.0000.00816.57
7.4.250.0050.00216.46
7.4.240.0070.00016.42
7.4.230.0030.00316.71
7.4.220.0090.01316.35
7.4.210.0030.01416.68
7.4.200.0000.00716.52
7.4.160.0100.00916.65
7.4.150.0090.01217.40
7.4.140.0070.01317.86
7.4.130.0110.01116.51
7.4.120.0060.01216.54
7.4.110.0110.01116.55
7.4.100.0030.01316.36
7.4.90.0070.01016.53
7.4.80.0060.01619.39
7.4.70.0060.01116.48
7.4.60.0060.00916.63
7.4.50.0060.00616.45
7.4.40.0100.00716.53
7.4.30.0080.00816.49
7.4.00.0060.01214.80
7.3.330.0050.00013.30
7.3.320.0000.00513.22
7.3.310.0000.00716.34
7.3.300.0040.00416.22
7.3.290.0090.00616.30
7.3.280.0070.01116.38
7.3.270.0090.00917.40
7.3.260.0130.01116.55
7.3.250.0080.01316.45
7.3.240.0110.00816.53
7.3.230.0070.01016.57
7.3.210.0040.01216.42
7.3.200.0110.00716.63
7.3.190.0030.01316.55
7.3.180.0070.00716.38
7.3.170.0090.01216.46
7.3.160.0080.00816.44
7.2.330.0110.01116.78
7.2.320.0140.00516.42
7.2.310.0150.00616.62
7.2.300.0150.00816.68
7.2.290.0070.01716.80
7.2.60.0220.00616.24
7.2.20.0100.01419.83
7.2.10.0090.01519.84
7.2.00.0050.01319.98
7.1.200.0040.00815.49
7.1.140.0040.01818.59
7.1.130.0080.01618.79
7.1.120.0080.00818.98
7.1.110.0070.01418.38
7.1.100.0070.01418.09
7.1.90.0130.00818.19
7.1.80.0080.00818.01
7.1.70.0060.00717.09
7.1.60.0180.01626.27
7.1.50.0300.01234.77
7.1.40.0230.01234.41
7.1.30.0270.01034.65
7.1.20.0300.01734.55
7.1.10.0090.00616.53
7.1.00.0060.03719.61
7.0.270.0100.01218.55
7.0.260.0100.01518.65
7.0.250.0130.00917.52
7.0.240.0080.00917.88
7.0.230.0050.01017.63
7.0.220.0090.01417.93
7.0.210.0070.01516.72
7.0.200.0080.01015.96
7.0.190.0070.00816.77
7.0.180.0080.00816.36
7.0.170.0110.01116.16
7.0.160.0100.00716.25
7.0.150.0100.01416.31
7.0.140.0080.03719.28
7.0.130.0080.03719.38
7.0.120.0030.04019.20
7.0.110.0100.03119.23
7.0.100.0060.03419.11
7.0.90.0060.03719.19
7.0.80.0110.03119.18
7.0.70.0070.03519.24
7.0.60.0090.03219.11
7.0.50.0050.03619.23
7.0.40.0060.03319.22
7.0.30.0070.03819.27
7.0.20.0150.03219.18
7.0.10.0130.03219.28
7.0.00.0080.03719.38
5.6.300.0220.07620.77
5.6.290.0150.06520.90
5.6.280.0070.06320.80
5.6.270.0160.05521.01
5.6.260.0180.05620.95
5.6.250.0140.06620.92
5.6.240.0080.07221.05
5.6.230.0180.06720.96
5.6.220.0200.06021.05
5.6.210.0120.06520.77
5.6.200.0160.06320.87
5.6.190.0140.05720.97
5.6.180.0210.05920.94
5.6.170.0160.07021.02
5.6.160.0150.06420.93
5.6.150.0130.07520.96
5.6.140.0110.07020.86
5.6.130.0210.06320.75
5.6.120.0110.07721.00
5.6.110.0130.07420.92
5.6.100.0170.06620.89
5.6.90.0090.06220.77
5.6.80.0240.06320.27
5.6.70.0160.05320.19
5.6.60.0130.06620.34
5.6.50.0110.06620.19
5.6.40.0100.06020.35
5.6.30.0150.06220.39
5.6.20.0070.06820.19
5.6.10.0090.05920.32
5.6.00.0130.06520.22
5.5.380.0250.06517.65
5.5.370.0200.07217.44
5.5.360.0200.07717.50
5.5.350.0130.06117.54
5.5.340.0150.08418.00
5.5.330.0160.05617.95
5.5.320.0150.05918.03
5.5.310.0160.08318.05
5.5.300.0240.07618.04
5.5.290.0150.07517.96
5.5.280.0230.07317.96
5.5.270.0280.07017.79
5.5.260.0260.06517.71
5.5.250.0200.06917.83
5.5.240.0180.07317.18
5.5.230.0150.07617.43
5.5.220.0170.07217.41
5.5.210.0220.06917.32
5.5.200.0210.07217.38
5.5.190.0190.04917.48
5.5.180.0180.05417.09
5.5.160.0230.07117.38
5.5.150.0170.07317.43
5.5.140.0210.05017.32
5.5.130.0220.05317.38
5.5.120.0200.06917.14
5.5.110.0190.06517.34
5.5.100.0150.05417.28
5.5.90.0180.04717.29
5.5.80.0160.05417.00
5.5.70.0150.05517.24
5.5.60.0240.06017.19
5.5.50.0140.05617.27
5.5.40.0220.07216.95
5.5.30.0160.05917.18
5.5.20.0150.07917.37
5.5.10.0240.05217.26
5.5.00.0180.07917.29
5.4.450.0270.07119.35
5.4.440.0150.06419.33
5.4.430.0230.07619.55
5.4.420.0190.07819.14
5.4.410.0190.07519.14
5.4.400.0250.06319.05
5.4.390.0150.05519.05
5.4.380.0180.07619.23
5.4.370.0170.05319.00
5.4.360.0200.07318.88
5.4.350.0190.07019.00
5.4.340.0150.05718.92
5.4.320.0230.06719.23
5.4.310.0190.07618.98
5.4.300.0160.06318.83
5.4.290.0140.05718.91
5.4.280.0200.05218.99
5.4.270.0230.06119.01
5.4.260.0230.06918.91
5.4.250.0110.05718.82
5.4.240.0130.05818.91
5.4.230.0160.05919.14
5.4.220.0230.07718.84
5.4.210.0270.06419.00
5.4.200.0170.07419.02
5.4.190.0190.07818.94
5.4.180.0190.05719.06
5.4.170.0250.06218.98
5.4.160.0190.07019.10
5.4.150.0160.05518.90
5.4.140.0190.05516.64
5.4.130.0180.06316.64
5.4.120.0220.06216.62
5.4.110.0250.06516.39
5.4.100.0120.07416.71
5.4.90.0210.04616.69
5.4.80.0210.05616.64
5.4.70.0180.07216.51
5.4.60.0150.04916.38
5.4.50.0160.04716.48
5.4.40.0160.06716.45
5.4.30.0170.04416.53
5.4.20.0110.05016.61
5.4.10.0180.06516.54
5.4.00.0210.06516.06
5.3.290.0130.05814.65
5.3.280.0150.05714.43
5.3.270.0120.07714.59
5.3.260.0150.07914.72
5.3.250.0170.07114.75
5.3.240.0130.05014.54
5.3.230.0160.05614.75
5.3.220.0130.05314.38
5.3.210.0170.07214.55
5.3.200.0110.06314.51
5.3.190.0140.05314.61
5.3.180.0140.05414.55
5.3.170.0190.06814.65
5.3.160.0150.05114.55
5.3.150.0110.05514.73
5.3.140.0170.06214.54
5.3.130.0160.05314.74
5.3.120.0190.06614.54
5.3.110.0170.07614.53
5.3.100.0160.06814.13
5.3.90.0160.07314.00
5.3.80.0230.06314.00
5.3.70.0150.04814.00
5.3.60.0200.06113.81
5.3.50.0130.04913.89
5.3.40.0120.05213.76
5.3.30.0150.05213.97
5.3.20.0190.06213.61
5.3.10.0130.06213.84
5.3.00.0160.04913.58
5.2.170.0120.04211.36
5.2.160.0120.04011.12
5.2.150.0140.04311.24
5.2.140.0130.05411.25
5.2.130.0160.05511.29
5.2.120.0150.05011.32
5.2.110.0120.05211.24
5.2.100.0080.04811.24
5.2.90.0140.05311.24
5.2.80.0170.04811.20
5.2.70.0110.04811.21
5.2.60.0170.05111.28
5.2.50.0140.05811.13
5.2.40.0130.05511.23
5.2.30.0130.05911.16
5.2.20.0150.04810.89
5.2.10.0080.04811.15
5.2.00.0130.04610.84
5.1.60.0110.03710.02
5.1.50.0150.0459.96
5.1.40.0110.04710.18
5.1.30.0130.04510.53
5.1.20.0120.03510.48
5.1.10.0100.03510.22
5.1.00.0090.03510.27
5.0.50.0030.0339.04
5.0.40.0130.0249.04
5.0.30.0120.0389.04
5.0.20.0080.0379.04
5.0.10.0140.0299.04
5.0.00.0090.0479.04
4.4.90.0040.0339.04
4.4.80.0090.0259.04
4.4.70.0090.0279.04
4.4.60.0070.0299.04
4.4.50.0100.0279.04
4.4.40.0110.0409.04
4.4.30.0070.0309.04
4.4.20.0060.0229.04
4.4.10.0060.0239.04
4.4.00.0050.0349.04
4.3.110.0100.0179.04
4.3.100.0080.0299.04
4.3.90.0070.0229.04
4.3.80.0060.0339.04
4.3.70.0130.0249.04
4.3.60.0090.0189.04
4.3.50.0050.0339.04
4.3.40.0090.0299.04
4.3.30.0040.0229.04
4.3.20.0020.0259.04
4.3.10.0060.0299.04
4.3.00.0050.0309.04

preferences:
33.06 ms | 403 KiB | 5 Q