3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 1 => [ 1 => [ 'anna', 'alice' ], 2 => [ 'bob', 'bartold' ] ], 2 => [ 1 => [ 'carol' ], 2 => [ 'david' ] ] ]; $result = []; array_walk_recursive($array, function ($value, $key) use (&$result) { if (!is_array($value)) { $result[$key][] = $value; } }); var_dump($result);

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)
8.3.60.0100.00718.43
8.3.50.0140.00921.95
8.3.40.0120.00318.67
8.3.30.0090.00619.18
8.3.20.0040.00420.35
8.3.10.0000.00821.77
8.3.00.0000.00820.89
8.2.180.0100.01018.54
8.2.170.0070.01022.96
8.2.160.0030.01022.20
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0090.00026.16
8.2.120.0040.00419.77
8.2.110.0090.00020.85
8.2.100.0120.00017.97
8.2.90.0030.00519.17
8.2.80.0040.00417.97
8.2.70.0030.00617.50
8.2.60.0000.00918.04
8.2.50.0000.00818.07
8.2.40.0000.00818.33
8.2.30.0040.00418.05
8.2.20.0040.00417.85
8.2.10.0040.00418.19
8.2.00.0070.00017.74
8.1.280.0100.01025.92
8.1.270.0030.00620.49
8.1.260.0080.00626.35
8.1.250.0040.00428.09
8.1.240.0060.00321.37
8.1.230.0080.00417.45
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0030.00617.23
8.1.190.0050.00317.35
8.1.180.0060.00318.10
8.1.170.0040.00418.46
8.1.160.0040.00422.07
8.1.150.0070.00018.80
8.1.140.0040.00417.52
8.1.130.0050.00317.82
8.1.120.0000.00717.50
8.1.110.0040.00417.47
8.1.100.0000.00817.37
8.1.90.0040.00417.52
8.1.80.0040.00417.37
8.1.70.0000.00717.38
8.1.60.0040.00417.59
8.1.50.0000.00917.53
8.1.40.0000.00817.47
8.1.30.0060.00317.57
8.1.20.0000.00917.47
8.1.10.0030.00517.44
8.1.00.0000.00817.37
8.0.300.0000.00818.77
8.0.290.0050.00216.75
8.0.280.0040.00418.36
8.0.270.0070.00017.26
8.0.260.0030.00317.17
8.0.250.0050.00316.86
8.0.240.0000.00816.94
8.0.230.0030.00316.82
8.0.220.0000.00716.95
8.0.210.0040.00416.82
8.0.200.0030.00316.94
8.0.190.0030.00316.91
8.0.180.0070.00016.93
8.0.170.0000.00816.82
8.0.160.0030.00616.96
8.0.150.0000.00716.75
8.0.140.0000.00716.91
8.0.130.0030.00313.34
8.0.120.0040.00416.90
8.0.110.0050.00316.72
8.0.100.0030.00516.71
8.0.90.0000.00716.94
8.0.80.0100.00716.86
8.0.70.0030.00516.71
8.0.60.0050.00316.88
8.0.50.0050.00316.88
8.0.30.0120.01017.16
8.0.20.0110.00917.42
8.0.10.0040.00417.02
8.0.00.0080.00916.72
7.4.330.0060.00015.03
7.4.320.0030.00316.59
7.4.300.0060.00016.59
7.4.290.0040.00416.53
7.4.280.0000.00816.49
7.4.270.0030.00316.62
7.4.260.0000.00716.59
7.4.250.0050.00316.57
7.4.240.0020.00616.63
7.4.230.0050.00316.48
7.4.220.0090.00916.57
7.4.210.0100.00916.62
7.4.200.0070.00016.36
7.4.160.0100.01016.45
7.4.150.0110.01117.40
7.4.140.0080.01417.86
7.4.130.0080.01316.43
7.4.120.0080.01016.51
7.4.110.0060.01216.55
7.4.100.0140.00416.53
7.4.90.0140.00416.50
7.4.80.0080.00816.43
7.4.70.0050.01416.61
7.4.60.0080.00816.54
7.4.50.0090.00016.64
7.4.40.0070.01016.50
7.4.30.0120.01216.70
7.4.00.0030.01314.91
7.3.330.0030.00313.32
7.3.320.0130.00013.40
7.3.310.0000.00816.37
7.3.300.0030.00316.24
7.3.290.0000.00716.41
7.3.280.0090.01116.34
7.3.270.0140.00917.40
7.3.260.0220.00416.24
7.3.250.0110.00816.46
7.3.240.0070.01116.32
7.3.230.0040.01316.63
7.3.210.0070.01116.34
7.3.200.0060.01619.39
7.3.190.0140.00416.49
7.3.180.0080.00816.54
7.3.170.0070.00916.32
7.3.160.0180.00316.46
7.3.120.0090.00614.69
7.3.110.0060.00914.87
7.3.100.0110.00514.98
7.3.90.0100.00514.82
7.3.80.0100.00414.91
7.3.70.0050.01114.88
7.3.60.0050.00914.68
7.3.50.0060.00614.76
7.3.40.0070.00514.80
7.3.30.0080.00514.79
7.3.20.0050.00516.73
7.3.10.0050.00816.74
7.3.00.0060.00716.75
7.2.330.0120.00616.77
7.2.320.0070.01016.74
7.2.310.0110.00716.43
7.2.300.0120.00516.73
7.2.290.0100.00716.43
7.2.250.0100.01014.78
7.2.240.0030.01315.10
7.2.230.0050.01015.07
7.2.220.0020.01214.96
7.2.210.0090.00515.13
7.2.200.0030.00914.88
7.2.190.0050.00814.99
7.2.180.0070.00715.19
7.2.170.0040.00714.90
7.2.160.0080.00614.73
7.2.150.0070.00716.92
7.2.140.0080.00816.82
7.2.130.0070.00416.88
7.2.120.0060.00916.78
7.2.110.0030.00916.73
7.2.100.0060.00916.86
7.2.90.0060.00716.76
7.2.80.0000.01416.91
7.2.70.0030.01016.73
7.2.60.0090.00716.83
7.2.50.0070.00616.95
7.2.40.0090.00516.98
7.2.30.0040.00916.96
7.2.20.0040.00716.85
7.2.10.0080.00616.78
7.2.00.0050.00717.84
7.1.330.0050.00915.82
7.1.320.0050.00715.84
7.1.310.0090.00515.69
7.1.300.0060.00515.85
7.1.290.0020.01215.85
7.1.280.0050.00715.59
7.1.270.0090.00415.86
7.1.260.0070.00715.87
7.1.250.0020.01315.72
7.1.100.0000.01118.45
7.1.70.0130.00017.30
7.1.60.0030.02019.46
7.1.50.0030.01016.60
7.1.00.0030.07722.43
7.0.200.0090.00016.49
7.0.140.0070.03322.13
7.0.60.0130.07720.02
7.0.50.0030.04317.91
7.0.40.0130.06720.25
7.0.30.0130.04720.06
7.0.20.0330.09320.19
7.0.10.0070.04020.09
7.0.00.0000.04320.08
5.6.280.0100.06721.06
5.6.210.0030.05720.46
5.6.200.0130.08018.19
5.6.190.0000.08320.63
5.6.180.0500.06720.48
5.6.170.0270.07720.56
5.6.160.0070.07720.55
5.6.150.0030.08018.29
5.6.140.0070.04018.24
5.6.130.0100.07718.28
5.6.120.0000.09020.97
5.6.110.0130.07721.11
5.6.100.0030.09020.99
5.6.90.0070.05021.11
5.6.80.0100.05720.38
5.5.350.0270.07320.50
5.5.340.0070.04718.07
5.5.330.0070.08720.19
5.5.320.0030.07020.34
5.5.310.0230.04720.28
5.5.300.0000.04318.10
5.5.290.0100.03318.01
5.5.280.0100.05020.77
5.5.270.0070.08320.95
5.5.260.0070.09020.64
5.5.250.0030.08320.61
5.5.240.0030.08320.29
5.4.450.0630.05019.48
5.4.440.1070.07019.60
5.4.430.0100.06019.44
5.4.420.0170.04719.19
5.4.410.0970.05319.46
5.4.400.0930.05319.13
5.4.390.0300.06318.79
5.4.380.0100.07318.58
5.4.370.0130.07718.46
5.4.360.0300.05318.84
5.4.350.0370.05318.53
5.4.340.0170.06718.79
5.4.320.0130.07718.78
5.4.310.0130.06318.80
5.4.300.0130.07318.53
5.4.290.0230.06018.78
5.4.280.0200.07018.80
5.4.270.0200.06318.52
5.4.260.0270.06018.55
5.4.250.0270.07018.83
5.4.240.0100.08718.83
5.4.230.0230.05318.88
5.4.220.0200.06718.58
5.4.210.0170.07018.73
5.4.200.0070.07316.51
5.4.190.0300.05718.77
5.4.180.0230.06718.64
5.4.170.0170.07318.71
5.4.160.0270.06018.67
5.4.150.0270.05318.50
5.4.140.0170.06016.34
5.4.130.0200.06316.20
5.4.120.0170.05316.29
5.4.110.0170.05716.23
5.4.100.0200.05016.42
5.4.90.0170.05716.35
5.4.80.0130.05316.23
5.4.70.0100.06316.17
5.4.60.0230.05016.21
5.4.50.0230.04316.23
5.4.40.0230.06016.23
5.4.30.0230.05716.30
5.4.20.0130.06016.26
5.4.10.0200.06016.23
5.4.00.0200.05015.64
5.3.290.0300.06014.66
5.3.280.0130.06014.59
5.3.270.0170.06314.63
5.3.260.0270.06014.52
5.3.250.0130.05714.61
5.3.240.0030.06314.70
5.3.230.0130.05314.55
5.3.220.0130.07014.55
5.3.210.0170.07714.64
5.3.200.0270.05714.59
5.3.190.0230.06014.48
5.3.180.0170.06714.56
5.3.170.0170.05014.54
5.3.160.0170.05014.46
5.3.150.0230.04714.55
5.3.140.0200.07014.54
5.3.130.0330.05714.56
5.3.120.0200.07014.56
5.3.110.0200.05014.64
5.3.100.0130.05314.03
5.3.90.0130.05014.07
5.3.80.0170.05013.99
5.3.70.0230.05313.95
5.3.60.0200.06313.98
5.3.50.0130.06314.03
5.3.40.0170.06314.04
5.3.30.0200.04313.82
5.3.20.0230.05713.72
5.3.10.0170.04713.64
5.3.00.0200.06313.58
5.2.170.0070.05011.10
5.2.160.0200.04011.07
5.2.150.0230.04711.10
5.2.140.0130.05311.20
5.2.130.0100.05311.16
5.2.120.0100.04311.14
5.2.110.0070.04311.05
5.2.100.0100.04311.02
5.2.90.0100.04311.11
5.2.80.0030.05311.23
5.2.70.0070.04311.08
5.2.60.0070.04711.08
5.2.50.0200.03310.97
5.2.40.0170.04310.96
5.2.30.0170.04710.95
5.2.20.0170.04711.00
5.2.10.0130.04010.87
5.2.00.0070.05010.73
5.1.60.0130.04010.04
5.1.50.0030.05010.05
5.1.40.0030.0409.99
5.1.30.0130.03310.37
5.1.20.0070.04010.46
5.1.10.0000.04310.20
5.1.00.0070.04010.05
5.0.50.0030.0338.66
5.0.40.0170.0208.48
5.0.30.0000.0608.21
5.0.20.0100.0338.35
5.0.10.0030.0408.35
5.0.00.0100.0508.20
4.4.90.0130.0205.95
4.4.80.0030.0235.91
4.4.70.0100.0275.85
4.4.60.0070.0205.82
4.4.50.0100.0275.91
4.4.40.0030.0435.86
4.4.30.0070.0305.81
4.4.20.0030.0335.96
4.4.10.0170.0205.88
4.4.00.0000.0435.91
4.3.110.0000.0335.83
4.3.100.0100.0235.84
4.3.90.0070.0275.89
4.3.80.0030.0435.78
4.3.70.0030.0235.80
4.3.60.0130.0135.91
4.3.50.0070.0275.77
4.3.40.0100.0335.84
4.3.30.0030.0304.93
4.3.20.0000.0274.93
4.3.10.0000.0234.93
4.3.00.0270.02014.62

preferences:
48.89 ms | 401 KiB | 5 Q