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)
8.3.60.0030.01316.63
8.3.50.0130.00718.02
8.3.40.0110.00418.71
8.3.30.0070.00719.07
8.3.20.0040.00420.16
8.3.10.0040.00421.74
8.3.00.0000.00821.02
8.2.180.0160.00618.18
8.2.170.0140.00322.96
8.2.160.0140.00022.25
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0100.00026.16
8.2.120.0070.00019.67
8.2.110.0060.00320.39
8.2.100.0080.00317.97
8.2.90.0060.00319.22
8.2.80.0030.00517.97
8.2.70.0080.00017.63
8.2.60.0000.00817.80
8.2.50.0060.00318.07
8.2.40.0060.00319.89
8.2.30.0000.00718.00
8.2.20.0040.00417.81
8.2.10.0040.00418.11
8.2.00.0050.00217.80
8.1.280.0150.00625.92
8.1.270.0090.00020.71
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00323.73
8.1.230.0120.00019.01
8.1.220.0070.00017.77
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0030.00517.22
8.1.180.0060.00318.10
8.1.170.0030.00618.66
8.1.160.0070.00022.07
8.1.150.0040.00418.83
8.1.140.0000.00817.39
8.1.130.0060.00317.45
8.1.120.0040.00417.29
8.1.110.0020.00517.47
8.1.100.0040.00417.39
8.1.90.0070.00017.45
8.1.80.0000.00717.46
8.1.70.0000.00817.47
8.1.60.0080.00017.56
8.1.50.0030.00517.42
8.1.40.0050.00217.43
8.1.30.0030.00617.56
8.1.20.0070.00017.59
8.1.10.0080.00017.43
8.1.00.0030.00617.43
8.0.300.0040.00418.77
8.0.290.0040.00416.75
8.0.280.0000.00718.44
8.0.270.0070.00017.25
8.0.260.0000.00716.81
8.0.250.0000.00716.97
8.0.240.0040.00416.91
8.0.230.0060.00016.97
8.0.220.0070.00016.89
8.0.210.0060.00016.87
8.0.200.0070.00016.94
8.0.190.0030.00316.96
8.0.180.0040.00416.95
8.0.170.0080.00016.92
8.0.160.0070.00016.84
8.0.150.0050.00216.73
8.0.140.0080.00016.85
8.0.130.0030.00313.34
8.0.120.0000.00816.86
8.0.110.0040.00416.86
8.0.100.0000.00716.78
8.0.90.0000.00816.87
8.0.80.0140.00716.84
8.0.70.0040.00416.68
8.0.60.0040.00416.78
8.0.50.0000.00716.78
8.0.30.0160.01017.03
8.0.20.0110.00917.40
8.0.10.0000.00716.84
8.0.00.0080.00916.80
7.4.330.0000.00515.03
7.4.320.0060.00016.65
7.4.300.0000.00616.40
7.4.290.0050.00316.50
7.4.280.0030.00616.60
7.4.270.0070.00016.49
7.4.260.0030.00316.45
7.4.250.0040.00416.45
7.4.240.0020.00516.58
7.4.230.0000.00716.34
7.4.220.0070.01616.54
7.4.210.0100.00916.56
7.4.200.0070.00016.40
7.4.160.0070.01016.38
7.4.150.0100.01417.40
7.4.140.0140.00917.86
7.4.130.0110.01016.62
7.4.120.0110.01016.64
7.4.110.0110.00816.74
7.4.100.0090.00916.47
7.4.90.0130.00416.39
7.4.80.0070.01016.44
7.4.70.0150.00616.55
7.4.60.0080.00816.42
7.4.50.0000.00716.56
7.4.40.0100.00616.53
7.4.30.0070.01016.23
7.4.00.0080.00814.94
7.3.330.0060.00013.37
7.3.320.0080.00413.12
7.3.310.0040.00416.32
7.3.300.0000.00716.16
7.3.290.0030.00316.32
7.3.280.0090.00916.31
7.3.270.0140.01017.40
7.3.260.0120.01216.64
7.3.250.0070.01416.27
7.3.240.0080.00916.50
7.3.230.0170.00016.39
7.3.210.0060.01516.28
7.3.200.0060.00919.39
7.3.190.0100.01116.55
7.3.180.0060.01116.22
7.3.170.0030.01716.39
7.3.160.0140.01016.51
7.3.120.0060.01314.78
7.3.110.0070.01114.66
7.3.100.0030.01014.94
7.3.90.0040.00414.62
7.3.80.0040.01114.61
7.3.70.0030.01014.54
7.3.60.0060.00314.87
7.3.50.0040.01414.49
7.3.40.0030.01214.79
7.3.30.0110.00314.83
7.3.20.0100.00316.40
7.3.10.0030.01016.66
7.3.00.0090.00616.86
7.2.330.0120.00816.51
7.2.320.0120.00616.81
7.2.310.0140.00416.41
7.2.300.0060.01016.68
7.2.290.0120.00616.76
7.2.250.0110.00814.58
7.2.240.0070.01314.99
7.2.230.0090.00615.02
7.2.220.0100.00314.99
7.2.210.0030.01214.78
7.2.200.0060.00614.93
7.2.190.0120.00314.89
7.2.180.0030.00915.13
7.2.170.0070.00715.08
7.2.60.0060.00916.87
7.2.00.0070.00719.36
7.1.330.0030.01215.72
7.1.320.0050.00515.75
7.1.310.0040.00815.86
7.1.300.0030.00715.73
7.1.290.0090.00315.76
7.1.280.0030.00715.88
7.1.270.0090.00315.90
7.1.260.0060.01015.91
7.1.200.0080.00015.62
7.1.100.0060.00617.93
7.1.70.0060.00917.37
7.1.60.0060.01819.46
7.1.50.0100.01316.87
7.1.00.0030.07722.51
7.0.200.0000.00716.78
7.0.140.0000.07722.09
7.0.60.0070.03719.93
7.0.50.0070.06017.86
7.0.40.0130.08020.11
7.0.30.0130.04320.26
7.0.20.0300.06320.30
7.0.10.0030.04320.20
7.0.00.0130.05720.06
5.6.280.0030.07321.12
5.6.210.0100.03720.71
5.6.200.0030.05318.25
5.6.190.0100.08320.48
5.6.180.0530.06320.63
5.6.170.0400.06320.44
5.6.160.0000.07020.55
5.6.150.0130.06718.15
5.6.140.0130.07718.16
5.6.130.0000.09018.15
5.6.120.0130.04021.00
5.6.110.0200.05321.11
5.6.100.0100.08721.09
5.6.90.0170.07020.98
5.6.80.0070.08320.49
5.5.350.0330.06020.44
5.5.340.0030.05017.99
5.5.330.0030.05020.42
5.5.320.0000.09020.30
5.5.310.0200.05020.34
5.5.300.0100.05017.93
5.5.290.0100.05318.07
5.5.280.0030.05320.80
5.5.270.0070.04020.75
5.5.260.0030.09320.66
5.5.250.0070.08320.55
5.5.240.0130.07320.16
5.4.450.0670.07019.46
5.4.440.0930.06019.34
5.4.430.0670.06719.59
5.4.420.1000.05719.57
5.4.410.1100.04719.07
5.4.400.0900.05319.31
5.4.390.0300.05018.56
5.4.380.0100.06318.77
5.4.370.0130.05718.79
5.4.360.0270.05718.59
5.4.350.0170.06018.75
5.4.340.0170.05318.56
5.4.320.0130.05718.89
5.4.310.0100.06018.61
5.4.300.0130.05318.74
5.4.290.0300.04018.76
5.4.280.0130.05318.59
5.4.270.0200.04718.76
5.4.260.0170.06718.70
5.4.250.0270.04718.75
5.4.240.0070.06318.45
5.4.230.0170.05018.82
5.4.220.0130.07018.49
5.4.210.0170.05018.60
5.4.200.0230.04316.67
5.4.190.0030.06018.45
5.4.180.0230.04718.77
5.4.170.0270.05018.70
5.4.160.0170.05318.76
5.4.150.0170.05318.73
5.4.140.0200.05316.22
5.4.130.0100.05316.43
5.4.120.0300.04016.27
5.4.110.0130.05016.22
5.4.100.0070.05716.17
5.4.90.0100.05716.25
5.4.80.0130.05016.25
5.4.70.0200.06716.30
5.4.60.0230.06016.21
5.4.50.0200.06316.23
5.4.40.0170.07016.23
5.4.30.0300.05016.14
5.4.20.0270.05716.26
5.4.10.0230.05716.29
5.4.00.0230.05715.71
5.3.290.0300.06014.71
5.3.280.0230.05714.49
5.3.270.0200.05014.57
5.3.260.0130.05714.59
5.3.250.0100.06314.54
5.3.240.0100.06014.55
5.3.230.0230.06014.58
5.3.220.0300.06014.56
5.3.210.0230.07014.62
5.3.200.0170.05714.55
5.3.190.0170.06714.48
5.3.180.0170.07014.68
5.3.170.0230.06714.55
5.3.160.0170.07314.56
5.3.150.0230.07314.46
5.3.140.0170.07314.56
5.3.130.0200.07314.52
5.3.120.0300.05014.46
5.3.110.0270.06014.55
5.3.100.0100.08314.13
5.3.90.0270.06014.02
5.3.80.0100.06314.01
5.3.70.0170.06714.11
5.3.60.0230.05713.97
5.3.50.0200.06314.02
5.3.40.0070.06313.89
5.3.30.0200.07013.91
5.3.20.0130.06713.65
5.3.10.0170.06013.59
5.3.00.0300.05313.71
5.2.170.0100.05711.10
5.2.160.0130.05011.10
5.2.150.0130.05711.11
5.2.140.0130.05311.18
5.2.130.0230.04711.13
5.2.120.0270.04011.03
5.2.110.0200.05011.15
5.2.100.0030.06711.02
5.2.90.0100.04311.04
5.2.80.0100.04711.15
5.2.70.0230.03711.23
5.2.60.0070.05011.08
5.2.50.0100.05711.15
5.2.40.0170.03311.04
5.2.30.0030.06010.97
5.2.20.0100.04010.91
5.2.10.0100.04710.90
5.2.00.0100.05710.76
5.1.60.0170.04010.00
5.1.50.0070.0439.98
5.1.40.0130.04010.10
5.1.30.0170.04310.31
5.1.20.0100.05710.46
5.1.10.0170.03310.13
5.1.00.0070.05010.21
5.0.50.0100.0338.52
5.0.40.0070.0278.41
5.0.30.0000.0608.26
5.0.20.0070.0308.23
5.0.10.0030.0408.18
5.0.00.0070.0478.28
4.4.90.0130.0175.92
4.4.80.0030.0275.91
4.4.70.0100.0175.80
4.4.60.0000.0275.82
4.4.50.0100.0205.89
4.4.40.0100.0405.87
4.4.30.0130.0205.81
4.4.20.0130.0205.87
4.4.10.0130.0175.98
4.4.00.0030.0405.88
4.3.110.0070.0275.83
4.3.100.0070.0275.79
4.3.90.0030.0305.79
4.3.80.0000.0475.79
4.3.70.0100.0235.89
4.3.60.0070.0275.80
4.3.50.0170.0175.89
4.3.40.0070.0405.77
4.3.30.0000.0304.93
4.3.20.0070.0234.93
4.3.10.0030.0304.93
4.3.00.0300.01314.62

preferences:
90.47 ms | 400 KiB | 5 Q