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[][] = $value; } }); var_dump($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)
8.3.70.0060.00916.63
8.3.60.0070.00716.50
8.3.50.0140.00722.05
8.3.40.0140.00018.67
8.3.30.0050.00919.27
8.3.20.0070.00020.16
8.3.10.0080.00021.76
8.3.00.0040.00420.96
8.2.190.0110.00716.58
8.2.180.0100.00716.75
8.2.170.0070.01022.96
8.2.160.0070.01322.17
8.2.150.0040.00424.18
8.2.140.0000.00824.66
8.2.130.0080.00026.16
8.2.120.0080.00019.79
8.2.110.0070.00320.53
8.2.100.0090.00318.22
8.2.90.0030.00619.20
8.2.80.0030.00617.97
8.2.70.0090.00017.63
8.2.60.0060.00317.93
8.2.50.0040.00418.07
8.2.40.0040.00418.16
8.2.30.0040.00418.02
8.2.20.0000.00817.71
8.2.10.0000.00918.13
8.2.00.0050.00217.79
8.1.280.0150.00325.92
8.1.270.0060.00320.78
8.1.260.0040.01126.35
8.1.250.0070.00028.09
8.1.240.0060.00322.03
8.1.230.0120.00019.02
8.1.220.0080.00017.74
8.1.210.0030.00518.77
8.1.200.0030.00617.22
8.1.190.0040.00417.38
8.1.180.0030.00518.10
8.1.170.0030.00518.53
8.1.160.0020.00522.02
8.1.150.0000.00718.77
8.1.140.0040.00419.23
8.1.130.0030.00617.79
8.1.120.0080.00017.38
8.1.110.0000.00717.32
8.1.100.0000.00817.46
8.1.90.0040.00417.47
8.1.80.0000.00717.47
8.1.70.0000.00817.43
8.1.60.0030.00517.48
8.1.50.0040.00417.42
8.1.40.0050.00217.50
8.1.30.0000.00817.59
8.1.20.0040.00417.49
8.1.10.0040.00417.48
8.1.00.0040.00417.52
8.0.300.0000.00718.77
8.0.290.0070.00016.75
8.0.280.0070.00018.30
8.0.270.0000.00717.32
8.0.260.0030.00317.30
8.0.250.0030.00316.80
8.0.240.0050.00216.82
8.0.230.0000.00716.94
8.0.220.0040.00416.79
8.0.210.0030.00316.85
8.0.200.0000.00616.83
8.0.190.0040.00416.91
8.0.180.0040.00416.92
8.0.170.0000.00816.80
8.0.160.0030.00316.99
8.0.150.0050.00216.73
8.0.140.0050.00316.83
8.0.130.0060.00013.33
8.0.120.0030.00616.79
8.0.110.0040.00416.89
8.0.100.0040.00416.84
8.0.90.0000.00716.93
8.0.80.0030.01216.93
8.0.70.0000.00716.83
8.0.60.0050.00316.88
8.0.50.0000.00716.79
8.0.30.0110.01317.01
8.0.20.0110.01017.40
8.0.10.0000.00716.82
8.0.00.0130.00416.76
7.4.330.0000.00615.03
7.4.320.0000.00616.50
7.4.300.0040.00416.57
7.4.290.0070.00016.61
7.4.280.0040.00716.59
7.4.270.0070.00016.65
7.4.260.0060.00316.58
7.4.250.0040.00416.32
7.4.240.0050.00216.53
7.4.230.0030.00316.62
7.4.220.0170.00316.56
7.4.210.0090.00816.44
7.4.200.0000.00716.58
7.4.160.0100.00616.50
7.4.150.0000.01817.40
7.4.140.0130.00817.86
7.4.130.0140.00616.61
7.4.120.0080.01516.65
7.4.110.0100.00716.36
7.4.100.0180.00016.58
7.4.90.0110.00516.45
7.4.80.0070.01016.45
7.4.70.0160.00316.42
7.4.60.0110.00716.48
7.4.50.0080.00016.55
7.4.40.0120.00616.47
7.4.30.0070.01116.39
7.4.00.0000.01314.96
7.3.330.0000.00513.35
7.3.320.0090.00313.40
7.3.310.0000.00716.36
7.3.300.0040.00416.24
7.3.290.0060.00016.41
7.3.280.0060.00916.37
7.3.270.0200.01317.40
7.3.260.0160.00616.48
7.3.250.0120.01116.45
7.3.240.0070.01016.43
7.3.230.0120.00616.39
7.3.210.0090.01216.36
7.3.200.0080.01119.39
7.3.190.0100.00716.58
7.3.180.0060.01016.38
7.3.170.0120.01016.52
7.3.160.0080.01416.41
7.3.00.0070.00716.74
7.2.330.0130.00616.32
7.2.320.0080.00916.68
7.2.310.0070.01116.43
7.2.300.0110.00616.74
7.2.290.0030.01316.32
7.2.130.0040.01116.97
7.2.120.0030.01216.72
7.2.110.0070.00316.82
7.2.100.0000.00916.71
7.2.90.0090.00616.86
7.2.80.0070.00716.80
7.2.70.0060.00616.64
7.2.60.0090.00616.86
7.2.50.0000.01516.73
7.2.40.0070.00716.97
7.2.30.0080.00417.03
7.2.20.0030.01217.11
7.2.10.0030.01016.93
7.2.00.0000.01216.98
7.1.250.0080.00315.71
7.1.240.0080.00415.70
7.1.230.0040.01115.82
7.1.220.0130.00015.83
7.1.210.0120.00315.41
7.1.200.0000.01215.64
7.1.190.0060.00915.71
7.1.180.0040.00815.85
7.1.170.0030.00715.54
7.1.160.0060.00915.96
7.1.150.0060.00615.99
7.1.140.0080.00015.57
7.1.130.0040.00715.83
7.1.120.0000.01015.52
7.1.110.0030.00615.91
7.1.100.0030.00915.75
7.1.90.0090.00616.00
7.1.80.0000.01115.68
7.1.70.0030.00716.40
7.1.60.0100.00717.53
7.1.50.0050.01516.14
7.1.40.0060.00915.73
7.1.30.0070.00715.87
7.1.20.0090.00315.64
7.1.10.0050.00515.66
7.1.00.0020.04219.20
7.0.330.0050.00315.31
7.0.320.0070.00715.40
7.0.310.0110.00415.36
7.0.300.0090.00615.46
7.0.290.0030.00715.57
7.0.280.0060.00615.56
7.0.270.0080.00415.21
7.0.260.0040.00815.54
7.0.250.0080.00415.66
7.0.240.0000.01215.60
7.0.230.0040.00415.54
7.0.220.0120.00315.59
7.0.210.0030.00915.36
7.0.200.0040.00416.10
7.0.190.0000.01315.24
7.0.180.0000.01015.24
7.0.170.0070.00315.47
7.0.160.0040.00715.52
7.0.150.0090.00015.24
7.0.140.0050.01818.69
7.0.130.0080.00015.49
7.0.120.0000.01315.45
7.0.110.0000.01315.31
7.0.100.0090.00315.44
7.0.90.0100.00315.23
7.0.80.0110.00315.11
7.0.70.0000.01215.08
7.0.60.0070.02417.76
7.0.50.0120.01816.73
7.0.40.0090.04316.78
7.0.30.0120.02416.89
7.0.20.0140.02916.93
7.0.10.0020.03516.83
7.0.00.0050.02516.85
5.6.380.0030.01014.71
5.6.370.0030.00914.34
5.6.360.0000.00814.62
5.6.350.0090.00314.50
5.6.340.0060.00913.98
5.6.330.0090.00614.42
5.6.320.0030.01014.38
5.6.310.0030.00814.27
5.6.300.0050.00514.29
5.6.290.0000.00814.62
5.6.280.0060.03817.65
5.6.270.0140.00014.39
5.6.260.0040.00814.28
5.6.250.0060.00314.45
5.6.240.0080.00014.29
5.6.230.0070.00714.42
5.6.220.0030.01314.56
5.6.210.0100.02817.46
5.6.200.0000.04216.27
5.6.190.0090.04517.47
5.6.180.0300.02617.32
5.6.170.0100.03417.38
5.6.160.0120.04217.42
5.6.150.0030.04016.17
5.6.140.0100.04216.13
5.6.130.0040.04616.34
5.6.120.0030.03217.65
5.6.110.0070.03717.58
5.6.100.0080.03017.60
5.6.90.0100.04217.71
5.6.80.0080.03817.31
5.6.70.0100.00314.18
5.6.60.0060.00614.18
5.6.50.0060.00314.14
5.6.40.0130.00314.13
5.6.30.0070.00714.11
5.6.20.0000.01014.09
5.6.10.0140.00014.02
5.6.00.0070.00714.19
5.5.380.0000.00911.18
5.5.370.0060.00311.18
5.5.360.0070.00011.41
5.5.350.0200.03615.79
5.5.340.0030.02114.60
5.5.330.0040.03115.93
5.5.320.0050.02415.69
5.5.310.0170.03815.73
5.5.300.0020.02614.56
5.5.290.0080.03714.61
5.5.280.0100.03015.93
5.5.270.0050.04016.00
5.5.260.0050.04615.96
5.5.250.0080.04515.97
5.5.240.0030.04415.76
5.5.230.0070.00011.22
5.5.220.0030.00711.18
5.5.210.0000.01211.19
5.5.200.0000.00811.18
5.5.190.0110.00011.30
5.5.180.0000.01011.18
5.5.170.0060.00611.27
5.5.160.0070.00411.23
5.5.150.0060.00311.39
5.5.140.0070.00311.18
5.5.130.0030.00711.18
5.5.120.0060.00311.18
5.5.110.0000.00811.18
5.5.100.0030.00911.18
5.5.90.0060.00611.18
5.5.80.0000.00611.31
5.5.70.0130.00011.18
5.5.60.0100.00311.18
5.5.50.0000.01011.18
5.5.40.0000.01111.18
5.5.30.0060.00611.18
5.5.20.0060.00611.18
5.5.10.0030.00311.18
5.5.00.0040.00811.18
5.4.450.0300.03215.32
5.4.440.0430.03815.28
5.4.430.0450.02715.17
5.4.420.0470.03015.38
5.4.410.0480.02715.26
5.4.400.0380.03315.14
5.4.390.0060.03314.82
5.4.380.0110.03014.98
5.4.370.0090.03114.87
5.4.360.0100.02814.99
5.4.350.0140.04114.90
5.4.340.0200.03515.01
5.4.330.0060.00611.33
5.4.320.0070.03214.96
5.4.310.0150.03414.82
5.4.300.0060.04114.87
5.4.290.0100.03115.01
5.4.280.0070.03514.94
5.4.270.0080.03014.90
5.4.260.0070.03314.98
5.4.250.0120.03014.95
5.4.240.0160.02315.01
5.4.230.0130.02715.04
5.4.220.0100.02814.97
5.4.210.0060.03314.96
5.4.200.0120.02513.87
5.4.190.0100.03814.84
5.4.180.0100.03314.84
5.4.170.0090.03014.98
5.4.160.0100.03214.94
5.4.150.0120.03214.94
5.4.140.0130.03813.80
5.4.130.0100.03713.81
5.4.120.0150.03213.72
5.4.110.0170.02013.73
5.4.100.0070.03313.88
5.4.90.0110.03613.75
5.4.80.0150.03113.73
5.4.70.0080.03513.70
5.4.60.0170.02713.68
5.4.50.0050.03613.78
5.4.40.0140.03613.73
5.4.30.0150.03113.80
5.4.20.0070.03113.79
5.4.10.0080.03913.72
5.4.00.0120.03213.54
5.3.290.0080.03312.91
5.3.280.0070.03112.87
5.3.270.0080.03612.84
5.3.260.0100.03212.86
5.3.250.0050.03312.87
5.3.240.0130.03312.88
5.3.230.0100.03612.88
5.3.220.0150.02612.89
5.3.210.0100.03912.87
5.3.200.0090.02912.86
5.3.190.0160.02812.89
5.3.180.0150.02812.86
5.3.170.0150.02512.83
5.3.160.0050.03312.91
5.3.150.0130.02712.91
5.3.140.0080.03012.86
5.3.130.0070.03812.84
5.3.120.0110.03812.91
5.3.110.0050.03212.84
5.3.100.0080.02612.56
5.3.90.0030.03512.60
5.3.80.0050.03112.55
5.3.70.0120.02412.64
5.3.60.0050.03112.58
5.3.50.0110.02312.57
5.3.40.0080.03212.51
5.3.30.0150.02412.54
5.3.20.0100.02512.40
5.3.10.0100.02712.42
5.3.00.0080.03012.38
5.2.170.0070.03011.24
5.2.160.0050.02411.16
5.2.150.0050.02511.15
5.2.140.0020.02811.14
5.2.130.0050.03211.12
5.2.120.0120.02711.12
5.2.110.0050.02711.12
5.2.100.0100.02211.13
5.2.90.0080.02011.12
5.2.80.0060.02511.21
5.2.70.0080.02511.15
5.2.60.0050.02611.11
5.2.50.0030.02611.11
5.2.40.0100.01911.07
5.2.30.0060.02411.10
5.2.20.0070.02511.04
5.2.10.0070.02511.01
5.2.00.0050.02410.94
5.1.60.0070.01710.58
5.1.50.0090.01810.62
5.1.40.0050.02010.59
5.1.30.0040.02310.75
5.1.20.0030.02810.77
5.1.10.0050.02110.67
5.1.00.0080.01710.66
5.0.50.0090.0139.93
5.0.40.0020.0189.80
5.0.30.0040.0259.73
5.0.20.0050.0159.75
5.0.10.0050.0159.76
5.0.00.0070.0209.67
4.4.90.0020.0168.54
4.4.80.0050.0108.54
4.4.70.0030.0128.49
4.4.60.0050.0158.54
4.4.50.0050.0158.54
4.4.40.0100.0208.54
4.4.30.0050.0148.53
4.4.20.0030.0188.58
4.4.10.0020.0148.59
4.4.00.0090.0158.54
4.3.110.0030.0138.50
4.3.100.0020.0158.51
4.3.90.0030.0158.50
4.3.80.0050.0208.53
4.3.70.0070.0128.54
4.3.60.0030.0138.52
4.3.50.0050.0118.53
4.3.40.0060.0178.51
4.3.30.0000.0138.05
4.3.20.0020.0158.05
4.3.10.0020.0158.05
4.3.00.0070.02012.90

preferences:
49.29 ms | 401 KiB | 5 Q