3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = [ [ 'cards1' => [ 'A', 'b', 'c' ], 'cards2' => [ 'A', 'e', 'd' ], 'cards3' => [ 'A', 'o', 'l' ] ], [ 'cards1' => [ 'A', 'b', 'c' ], 'cards2' => [ 'A', 'r', 'c' ], 'cards3' => [ 'A', 'bbb', 'yyy' ] ], [ 'cards1' => [ 'A', 'bbb', 'ggg' ], 'cards2' => [ 'A', ], 'cards3' => [ 'A', ] ] ]; $set = []; foreach($arr as &$data){ foreach($data as &$cards){ foreach($cards as $index => $value){ if(isset($set[$value])) unset($cards[$index]); else $set[$value] = true; } } } print_r($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)
8.4.140.0130.00817.51
8.4.130.0150.00417.66
8.4.120.0090.00920.59
8.4.110.0120.00918.64
8.4.100.0130.00817.71
8.4.90.0130.01017.83
8.4.80.0130.00717.89
8.4.70.0110.01117.93
8.4.60.0120.00818.94
8.4.50.0040.00418.88
8.4.40.0060.00919.31
8.4.30.0030.00620.48
8.4.20.0160.00320.39
8.4.10.0130.00317.89
8.3.270.0140.00516.46
8.3.260.0100.00616.60
8.3.250.0110.00718.79
8.3.240.0110.00516.47
8.3.230.0130.00716.56
8.3.220.0060.01016.78
8.3.210.0150.00416.67
8.3.200.0030.00516.68
8.3.190.0060.00517.32
8.3.180.0060.00218.31
8.3.170.0040.01520.86
8.3.160.0070.00017.20
8.3.150.0110.00717.18
8.3.140.0150.00316.48
8.3.130.0060.00316.71
8.3.120.0140.00720.66
8.3.110.0040.00420.94
8.3.100.0080.00824.06
8.3.90.0130.00726.77
8.3.80.0100.00018.56
8.3.70.0060.00916.63
8.3.60.0070.00716.61
8.3.50.0130.00621.20
8.3.40.0110.01118.65
8.3.30.0040.01118.57
8.3.20.0080.00023.48
8.3.10.0000.00820.33
8.3.00.0040.00423.64
8.2.290.0040.00320.68
8.2.280.0090.00618.53
8.2.270.0070.00719.02
8.2.260.0140.00316.46
8.2.250.0060.00316.59
8.2.240.0100.00018.83
8.2.230.0040.00422.58
8.2.220.0070.00337.54
8.2.210.0080.00026.77
8.2.200.0060.00316.50
8.2.190.0120.00316.58
8.2.180.0070.00718.17
8.2.170.0120.00322.96
8.2.160.0130.00319.42
8.2.150.0000.00924.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0000.00826.16
8.2.110.0100.01020.47
8.2.100.0110.00017.91
8.2.90.0060.00317.75
8.2.80.0040.00417.97
8.2.70.0080.00017.93
8.2.60.0040.00418.01
8.2.50.0030.00518.10
8.2.40.0040.00419.45
8.2.30.0000.00719.20
8.2.20.0040.00418.13
8.2.10.0040.00419.37
8.2.00.0050.00319.22
8.1.330.0110.00816.70
8.1.320.0090.01016.04
8.1.310.0030.00518.30
8.1.300.0060.00316.01
8.1.290.0060.00330.84
8.1.280.0100.00325.92
8.1.270.0080.00023.99
8.1.260.0080.00028.09
8.1.250.0080.00028.09
8.1.240.0060.00323.77
8.1.230.0080.00423.93
8.1.220.0030.00617.79
8.1.210.0040.00418.77
8.1.200.0030.00817.35
8.1.190.0000.00817.35
8.1.180.0060.00318.10
8.1.170.0070.00018.88
8.1.160.0060.00520.74
8.1.150.0040.00418.92
8.1.140.0000.00720.79
8.1.130.0030.00320.15
8.1.120.0060.00317.48
8.1.110.0000.00817.34
8.1.100.0040.00417.38
8.1.90.0040.00417.35
8.1.80.0000.00717.44
8.1.70.0030.00317.36
8.1.60.0030.00617.55
8.1.50.0000.00917.46
8.1.40.0060.00317.40
8.1.30.0040.00417.67
8.1.20.0050.00517.60
8.1.10.0000.00817.41
8.1.00.0070.00017.39
8.0.300.0000.00719.71
8.0.290.0000.00816.63
8.0.280.0000.00718.43
8.0.270.0070.00016.70
8.0.260.0040.00420.13
8.0.250.0070.00016.90
8.0.240.0060.00316.96
8.0.230.0030.00316.86
8.0.220.0030.00316.89
8.0.210.0030.00316.92
8.0.200.0000.00616.91
8.0.190.0050.00216.91
8.0.180.0070.00016.88
8.0.170.0040.00416.94
8.0.160.0000.00717.00
8.0.150.0050.00216.89
8.0.140.0000.00716.87
8.0.130.0030.00313.31
8.0.120.0000.00716.91
8.0.110.0030.00516.95
8.0.100.0040.00416.70
8.0.90.0040.00416.89
8.0.80.0040.01116.89
8.0.70.0000.00716.88
8.0.60.0040.00416.68
8.0.50.0040.00416.83
8.0.30.0080.01116.92
8.0.20.0300.02817.15
8.0.10.0000.00816.89
8.0.00.0090.01116.79
7.4.330.0000.00515.55
7.4.320.0030.00316.50
7.4.300.0030.00316.51
7.4.290.0000.00716.61
7.4.280.0060.00316.49
7.4.270.0030.00316.56
7.4.260.0040.00416.40
7.4.250.0040.00416.61
7.4.240.0030.00316.40
7.4.230.0030.00316.63
7.4.220.0020.00516.49
7.4.210.0070.00916.65
7.4.200.0040.00416.70
7.4.140.0100.01317.86
7.4.130.0100.01016.53
7.4.120.0100.00716.63
7.4.110.0030.01316.38
7.4.100.0060.01116.49
7.4.90.0170.00316.39
7.4.80.0100.00719.39
7.4.70.0070.01116.35
7.4.60.0130.00616.50
7.4.50.0040.01516.18
7.4.40.0130.00316.43
7.4.00.0070.01015.18
7.3.330.0030.00313.17
7.3.320.0030.00313.23
7.3.310.0080.00016.20
7.3.300.0000.00716.31
7.3.290.0050.00916.34
7.3.280.0030.01116.34
7.3.260.0090.01016.52
7.3.240.0080.01116.43
7.3.230.0130.00616.38
7.3.210.0070.01016.34
7.3.200.0160.00516.46
7.3.190.0030.01216.43
7.3.180.0120.00616.36
7.3.170.0170.00616.39
7.3.160.0100.00616.43
7.3.120.0090.00614.63
7.3.110.0080.00814.64
7.3.100.0150.00014.65
7.3.90.0080.00814.86
7.3.80.0080.00814.78
7.3.70.0040.01014.82
7.3.60.0070.00914.72
7.3.50.0120.00314.72
7.3.40.0080.00614.66
7.3.30.0070.00914.61
7.3.20.0180.00315.61
7.3.10.0160.00315.73
7.3.00.0190.00215.69
7.2.330.0140.00316.47
7.2.320.0070.01016.58
7.2.310.0130.01016.69
7.2.300.0000.01816.77
7.2.290.0040.01816.79
7.2.240.0090.00615.06
7.2.230.0070.00715.06
7.2.220.0070.01114.84
7.2.210.0080.00615.18
7.2.200.0110.00614.94
7.2.190.0080.00714.84
7.2.180.0070.00714.75
7.2.170.0050.01214.96
7.2.160.0060.01014.85
7.2.150.0110.01115.89
7.2.140.0130.00615.85
7.2.130.0140.01115.91
7.2.120.0160.00915.97
7.2.110.0110.00715.86
7.2.100.0090.00915.79
7.2.90.0100.00915.95
7.2.80.0110.01115.72
7.2.70.0150.00616.12
7.2.60.0100.01015.98
7.2.50.0110.00915.74
7.2.40.0090.00715.87
7.2.30.0160.00715.96
7.2.20.0120.01015.97
7.2.10.0140.00516.03
7.2.00.0540.00416.07
7.1.330.0070.00715.77
7.1.320.0070.01015.80
7.1.310.0090.00615.75
7.1.300.0130.00514.83
7.1.290.0080.00814.78
7.1.280.0120.00814.64
7.1.270.0110.00914.75
7.1.260.0100.00714.95
7.1.250.0130.00714.75

preferences:
30.58 ms | 403 KiB | 5 Q