3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = array( array( array( array( 'leaf-0-0-0-0' => array ( 'whawtever' ), 'leaf-0-0-0-1' ), 'leaf-0-0-0' ), array( array( 'leaf-0-1-0-0', 'leaf-0-1-0-1' ), 'leaf-0-1-0' ), 'leaf-0-0' ) ); $iterator = new RecursiveIteratorIterator( new RecursiveArrayIterator($array), 'LEAVES_ONLY' ); foreach ($iterator as $key => $leaf) { echo "$key => $leaf", PHP_EOL; }

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)
8.3.60.0110.00716.63
8.3.50.0070.00716.23
8.3.40.0170.00318.84
8.3.30.0120.00318.81
8.3.20.0030.01520.29
8.3.10.0060.00323.64
8.3.00.0040.00419.68
8.2.180.0040.01116.63
8.2.170.0040.01122.96
8.2.160.0030.01020.36
8.2.150.0040.00424.18
8.2.140.0070.00024.66
8.2.130.0030.00626.16
8.2.120.0050.00517.49
8.2.110.0060.00322.15
8.2.100.0070.00317.50
8.2.90.0080.00019.09
8.2.80.0000.00817.97
8.2.70.0040.00417.50
8.2.60.0000.00817.80
8.2.50.0040.00418.07
8.2.40.0030.00521.18
8.2.30.0070.00019.66
8.2.20.0070.00017.67
8.2.10.0030.00517.93
8.2.00.0040.00417.97
8.1.280.0140.00325.92
8.1.270.0030.01620.38
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00322.33
8.1.230.0090.00317.42
8.1.220.0050.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00617.36
8.1.190.0060.00317.22
8.1.180.0040.00418.10
8.1.170.0050.00318.53
8.1.160.0030.00621.82
8.1.150.0000.00718.87
8.1.140.0000.00817.43
8.1.130.0030.00317.71
8.1.120.0000.00817.31
8.1.110.0000.00817.38
8.1.100.0000.00717.30
8.1.90.0050.00317.40
8.1.80.0030.00317.30
8.1.70.0050.00217.40
8.1.60.0030.00617.43
8.1.50.0040.00417.55
8.1.40.0050.00517.40
8.1.30.0050.00317.62
8.1.20.0000.00717.61
8.1.10.0040.00417.57
8.1.00.0040.00417.58
8.0.300.0020.00518.77
8.0.290.0030.00616.75
8.0.280.0000.00718.39
8.0.270.0040.00417.20
8.0.260.0000.00617.19
8.0.250.0070.00016.81
8.0.240.0040.00416.94
8.0.230.0000.00816.88
8.0.220.0070.00016.94
8.0.210.0030.00316.80
8.0.200.0030.00316.98
8.0.190.0060.00616.98
8.0.180.0030.00616.93
8.0.170.0040.00416.82
8.0.160.0000.00716.90
8.0.150.0050.00316.90
8.0.140.0000.00716.86
8.0.130.0030.00313.28
8.0.120.0040.00416.88
8.0.110.0040.00416.93
8.0.100.0030.00616.88
8.0.90.0040.00417.01
8.0.80.0030.01216.91
8.0.70.0040.00416.91
8.0.60.0000.00916.85
8.0.50.0020.00516.93
8.0.30.0060.01317.27
8.0.20.0110.00917.40
8.0.10.0000.00717.13
8.0.00.0130.00916.68
7.4.330.0040.00415.08
7.4.320.0040.00416.55
7.4.300.0030.00316.50
7.4.290.0070.00016.57
7.4.280.0060.00316.55
7.4.270.0030.00316.42
7.4.260.0060.00316.64
7.4.250.0030.00316.39
7.4.240.0030.00516.59
7.4.230.0030.00316.48
7.4.220.0080.01116.58
7.4.210.0100.00716.51
7.4.200.0030.00316.55
7.4.160.0040.01116.40
7.4.150.0100.00717.40
7.4.140.0130.00717.86
7.4.130.0080.01116.49
7.4.120.0090.00816.64
7.4.110.0120.00616.54
7.4.100.0060.01216.56
7.4.90.0110.00716.60
7.4.80.0100.00619.39
7.4.70.0110.00716.53
7.4.60.0100.01116.38
7.4.50.0000.00716.76
7.4.40.0100.00716.46
7.4.30.0130.01016.61
7.4.00.0110.00414.66
7.3.330.0050.00012.98
7.3.320.0060.00013.14
7.3.310.0070.00016.32
7.3.300.0000.00716.32
7.3.290.0100.00516.22
7.3.280.0070.00816.32
7.3.270.0110.00717.40
7.3.260.0180.00416.30
7.3.250.0110.00716.37
7.3.240.0030.01616.56
7.3.230.0070.01516.39
7.3.210.0130.00316.44
7.3.200.0110.00516.41
7.3.190.0130.00716.29
7.3.180.0000.01716.23
7.3.170.0060.01016.58
7.3.160.0150.00916.43
7.3.10.0070.00716.57
7.3.00.0000.01316.39
7.2.330.0120.00616.48
7.2.320.0070.01316.61
7.2.310.0070.01116.60
7.2.300.0120.00416.60
7.2.290.0070.01016.52
7.2.130.0030.00616.61
7.2.120.0030.00916.89
7.2.110.0030.00916.89
7.2.100.0030.00716.77
7.2.90.0070.00716.90
7.2.80.0060.00616.88
7.2.70.0000.01416.88
7.2.60.0040.01116.85
7.2.50.0000.01216.84
7.2.40.0070.00316.80
7.2.30.0090.00616.89
7.2.20.0000.01216.58
7.2.10.0000.01516.88
7.2.00.0050.00917.99
7.1.250.0030.01215.67
7.1.200.0100.00315.77
7.1.100.0100.00318.12
7.1.70.0000.00716.97
7.1.60.0070.01619.13
7.1.50.0200.01734.44
7.1.00.0100.07022.36
7.0.200.0040.00416.75
7.0.60.0100.08019.96
7.0.50.0000.04717.89
7.0.40.0030.04319.98
7.0.30.0370.05720.01
7.0.20.0270.08020.19
7.0.10.0070.05320.30
7.0.00.0030.07720.03
5.6.280.0070.06721.15
5.6.210.0130.07720.61
5.6.200.0070.03718.18
5.6.190.0170.08020.61
5.6.180.3530.04320.48
5.6.170.0370.07320.56
5.6.160.0000.09020.55
5.6.150.0070.08718.27
5.6.140.0130.07718.29
5.6.130.0100.08018.18
5.6.120.0030.08721.00
5.6.110.0070.08720.94
5.6.100.0170.03320.96
5.6.90.0000.04721.01
5.6.80.0100.07020.37
5.6.70.4200.04020.36
5.5.350.0270.06720.38
5.5.340.0000.06317.94
5.5.330.0030.04320.42
5.5.320.0400.05320.32
5.5.310.0200.07320.34
5.5.300.0000.04718.07
5.5.290.0070.08317.97
5.5.280.0030.08320.84
5.5.270.0100.05320.73
5.5.260.0100.07720.71
5.5.250.0070.04020.66
5.5.240.0230.08320.13
5.4.450.1070.07319.59
5.4.440.0600.07019.60
5.4.430.0630.06719.44
5.4.420.0770.06319.62
5.4.410.0330.05719.05
5.4.400.0030.06019.16
5.4.390.0570.07019.32
5.4.380.1070.05719.28
5.4.370.0670.06019.36
5.4.360.0670.06019.21
5.4.350.0230.04319.18
5.4.340.0030.06319.01
5.4.320.0330.07318.98
5.4.310.0570.06019.15
5.4.300.0230.05718.86
5.4.290.0100.06019.14
5.4.280.0330.05719.15
5.4.270.0700.05019.26
5.4.260.0800.05319.34
5.4.250.0730.05019.25
5.4.240.0800.05319.34
5.4.230.0970.06319.21
5.4.220.0870.06019.13
5.4.210.1030.08319.05
5.4.200.0970.09319.27
5.4.190.0770.08719.00
5.4.180.1130.05718.86
5.4.170.0770.07319.23
5.4.160.0770.06019.15
5.4.150.0670.07019.23
5.4.140.0900.06016.41
5.4.130.0630.05316.73
5.4.120.0730.05016.36
5.4.110.0970.04016.25
5.4.100.0730.04716.61
5.4.90.1200.05716.61
5.4.80.0870.05316.61
5.4.70.0330.04016.43
5.4.60.0170.03716.34
5.4.50.0070.06716.54
5.4.40.0000.05716.39
5.4.30.0000.04716.52
5.4.20.0300.04316.16

preferences:
54.74 ms | 400 KiB | 5 Q