3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( 0 => array( 0 => 1, ), 1 => array( 0 => 2, ), 2 => array( 0 => 3, 1 => 4, 2 => 5, ), 3 => array( 0 => 6, ), 4 => array( 0 => 7, ), ); $it = new RecursiveIteratorIterator(new RecursiveArrayIterator($data)); echo PHP_EOL, implode(iterator_to_array($it)); //745 instead of 1234567 echo PHP_EOL, implode(iterator_to_array($it, true)); //745 instead of 1234567 echo PHP_EOL ; foreach($it as $k=> $v) { echo $k.'=>'.$v ; }

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)
8.3.60.0070.00716.22
8.3.50.0110.00822.12
8.3.40.0080.00818.57
8.3.30.0140.00019.08
8.3.20.0040.00420.01
8.3.10.0040.00423.66
8.3.00.0070.01419.25
8.2.180.0210.00018.39
8.2.170.0120.00322.96
8.2.160.0100.00320.39
8.2.150.0000.00824.18
8.2.140.0170.00324.66
8.2.130.0100.00326.16
8.2.120.0040.00422.20
8.2.110.0070.00322.11
8.2.100.0090.00317.63
8.2.90.0000.00719.17
8.2.80.0060.00317.97
8.2.70.0000.01017.50
8.2.60.0080.00017.80
8.2.50.0000.00818.07
8.2.40.0040.00418.22
8.2.30.0040.00418.15
8.2.20.0040.00417.55
8.2.10.0040.00818.13
8.2.00.0030.00717.74
8.1.280.0150.00625.92
8.1.270.0190.00022.20
8.1.260.0080.00026.35
8.1.250.0110.00728.09
8.1.240.0060.00323.90
8.1.230.0040.00719.02
8.1.220.0050.00317.74
8.1.210.0060.00318.77
8.1.200.0030.00617.36
8.1.190.0040.00417.41
8.1.180.0030.00618.10
8.1.170.0040.00418.66
8.1.160.0070.00021.89
8.1.150.0040.00418.66
8.1.140.0030.00617.54
8.1.130.0000.00717.81
8.1.120.0050.00217.47
8.1.110.0000.00717.34
8.1.100.0000.00717.48
8.1.90.0000.00717.47
8.1.80.0040.00417.44
8.1.70.0080.00017.32
8.1.60.0050.00317.47
8.1.50.0060.00317.57
8.1.40.0040.00417.51
8.1.30.0040.00417.61
8.1.20.0040.00417.53
8.1.10.0070.00017.57
8.1.00.0060.00317.48
8.0.300.0040.00418.77
8.0.290.0040.00417.02
8.0.280.0080.00018.40
8.0.270.0000.00717.27
8.0.260.0000.00816.73
8.0.250.0070.00016.97
8.0.240.0040.00417.01
8.0.230.0000.00716.89
8.0.220.0030.00316.87
8.0.210.0000.00716.83
8.0.200.0000.00616.82
8.0.190.0090.00017.05
8.0.180.0030.00616.82
8.0.170.0040.00416.93
8.0.160.0000.00716.83
8.0.150.0030.00316.79
8.0.140.0040.00416.87
8.0.130.0040.00413.32
8.0.120.0000.00816.90
8.0.110.0040.00416.89
8.0.100.0000.00816.86
8.0.90.0070.00016.85
8.0.80.0070.01316.80
8.0.70.0070.00016.86
8.0.60.0000.00816.86
8.0.50.0040.00416.98
8.0.30.0060.01517.16
8.0.20.0130.00717.40
8.0.10.0040.00417.02
8.0.00.0140.00416.70
7.4.330.0020.00215.02
7.4.320.0030.00316.61
7.4.300.0050.00216.53
7.4.290.0000.00716.57
7.4.280.0040.00416.35
7.4.270.0000.00716.61
7.4.260.0030.00616.55
7.4.250.0050.00316.37
7.4.240.0030.00416.59
7.4.230.0030.00316.25
7.4.220.0100.00716.70
7.4.210.0110.00616.59
7.4.200.0000.00716.35
7.4.190.0000.00716.67
7.4.160.0160.00016.63
7.4.150.0180.00617.40
7.4.140.0090.00917.86
7.4.130.0120.00616.44
7.4.120.0110.00716.37
7.4.110.0190.00316.60
7.4.100.0040.01316.46
7.4.90.0140.00416.54
7.4.80.0110.00719.39
7.4.70.0070.01516.67
7.4.60.0090.00916.46
7.4.50.0040.00416.31
7.4.40.0090.00622.77
7.4.30.0100.01016.54
7.4.00.0100.00714.70
7.3.330.0000.00513.11
7.3.320.0000.00513.15
7.3.310.0000.00716.14
7.3.300.0060.00016.21
7.3.290.0130.00316.22
7.3.280.0110.00616.27
7.3.270.0090.00917.40
7.3.260.0150.00916.25
7.3.250.0080.00916.39
7.3.240.0140.00316.57
7.3.230.0120.00716.43
7.3.210.0140.00316.60
7.3.200.0170.00019.39
7.3.190.0090.01216.37
7.3.180.0070.01016.39
7.3.170.0060.01216.57
7.3.160.0130.00616.26
7.3.120.0050.00515.04
7.3.10.0070.01016.67
7.3.00.0060.00816.63
7.2.330.0170.00016.58
7.2.320.0080.01116.42
7.2.310.0080.00816.41
7.2.300.0030.01316.53
7.2.290.0070.01016.57
7.2.130.0100.00716.73
7.2.120.0030.00617.07
7.2.110.0030.00616.90
7.2.100.0030.01016.80
7.2.90.0060.00916.80
7.2.80.0070.00416.79
7.2.70.0030.01316.73
7.2.60.0060.00616.92
7.2.50.0000.01916.79
7.2.40.0090.00316.87
7.2.30.0000.00917.01
7.2.20.0070.00416.71
7.2.10.0030.00916.96
7.2.00.0100.00317.00
7.1.250.0000.01015.81
7.1.70.0030.00716.80
7.1.60.0090.01319.33
7.1.50.0070.01816.91
7.1.00.0070.07022.51
7.0.200.0070.00316.82
7.0.140.0100.07021.97
7.0.100.0070.04019.96
7.0.90.0100.08319.86
7.0.80.0200.05319.89
7.0.70.0400.03719.92
7.0.60.0170.04719.84
7.0.50.0270.04320.31
7.0.40.0200.05720.18
7.0.30.0070.04020.05
7.0.20.0100.03720.10
7.0.10.0070.03720.13
7.0.00.0070.04720.08
5.6.280.0070.07020.77
5.6.250.0070.03720.78
5.6.240.0030.07320.57
5.6.230.0030.04320.63
5.6.220.0030.05020.68
5.6.210.0000.04320.75
5.6.200.0200.06021.05
5.6.190.0070.06720.92
5.6.180.0070.03721.11
5.6.170.0000.04321.06
5.6.160.0070.03721.06
5.6.150.0000.04321.03
5.6.140.0030.04721.05
5.6.130.0030.04321.01
5.6.120.0230.06721.18
5.6.110.0100.04721.05
5.6.100.0030.08321.00
5.6.90.0030.08020.92
5.6.80.0070.07320.50
5.6.70.0070.04720.31
5.6.60.0070.04720.33
5.6.50.0170.06720.44
5.6.40.0100.04720.30
5.6.30.0100.07720.32
5.6.20.0130.07320.32
5.6.10.0070.08320.29
5.6.00.0130.08020.38
5.5.380.0000.05020.35
5.5.370.0130.04020.39
5.5.360.0030.04720.48
5.5.350.0030.05020.38
5.5.340.0070.03720.77
5.5.330.0030.06720.83
5.5.320.0030.04020.87
5.5.310.0000.05020.93
5.5.300.0100.07020.59
5.5.290.0070.04020.93
5.5.280.0070.08020.77
5.5.270.0200.07020.93
5.5.260.0070.07720.77
5.5.250.0170.07320.70
5.5.240.0170.07320.12
5.5.230.0130.07020.27
5.5.220.0100.07720.30
5.5.210.0100.07720.24
5.5.200.0130.06720.19
5.5.190.0100.07320.11
5.5.180.0070.06720.23
5.5.160.0170.06320.12
5.5.150.0000.08020.21
5.5.140.0000.08020.21
5.5.130.0070.07720.23
5.5.120.0130.06720.12
5.5.110.0000.06020.23
5.5.100.0070.08020.10
5.5.90.0100.07720.15
5.5.80.0030.05720.10
5.5.70.0070.08020.14
5.5.60.0030.08020.09
5.5.50.0030.07320.13
5.5.40.0030.08320.08
5.5.30.0130.07720.02
5.5.20.0130.07320.14
5.5.10.0030.08020.01
5.5.00.0100.07720.00
5.4.450.0070.07719.36
5.4.440.0070.08319.45
5.4.430.0100.08019.13
5.4.420.0100.08019.55
5.4.410.0130.07319.23
5.4.400.0100.07319.05
5.4.390.0030.08019.12
5.4.380.0070.07018.95
5.4.370.0130.07318.97
5.4.360.0100.07719.15
5.4.350.0170.07019.08
5.4.340.0100.06719.18
5.4.320.0100.06719.12
5.4.310.0070.07018.80
5.4.300.0170.07019.09
5.4.290.0130.07018.79
5.4.280.0070.07318.82
5.4.270.0030.07319.10
5.4.260.0130.06318.98
5.4.250.0030.08019.05
5.4.240.0100.07318.78
5.4.230.0070.07319.05
5.4.220.0100.07318.78
5.4.210.0100.08019.04
5.4.200.0100.07018.94
5.4.190.0100.06718.77
5.4.180.0130.04019.02
5.4.170.0030.07318.78
5.4.160.0000.07319.11
5.4.150.0030.08018.99
5.4.140.0170.06316.06
5.4.130.0200.06016.13
5.4.120.0030.07716.34
5.4.110.0070.07016.31
5.4.100.0100.06316.21
5.4.90.0100.07016.30
5.4.80.0100.07716.41
5.4.70.0130.06716.38
5.4.60.0030.08016.37
5.4.50.0100.06716.31
5.4.40.0100.07016.44
5.4.30.0130.03716.30
5.4.20.0170.06316.28
5.4.10.0070.07716.20
5.4.00.0100.06715.80
5.3.290.0000.05714.66
5.3.280.0100.07314.46
5.3.270.0100.07014.45
5.3.260.0100.07714.57
5.3.250.0070.05014.61
5.3.240.0100.07714.48
5.3.230.0100.08014.57
5.3.220.0070.04714.57
5.3.210.0070.07314.45
5.3.200.0130.06714.41
5.3.190.0130.06714.56
5.3.180.0030.08314.41
5.3.170.0130.06714.57
5.3.160.0070.07314.53
5.3.150.0100.05314.55
5.3.140.0000.05014.55
5.3.130.0130.07314.54
5.3.120.0070.04714.38
5.3.110.0170.07314.41
5.3.100.0000.05714.03
5.3.90.0030.07014.04
5.3.80.0100.06714.01
5.3.70.0030.05713.93
5.3.60.0100.06713.97
5.3.50.0070.06713.95
5.3.40.0100.06713.73
5.3.30.0070.07013.88
5.3.20.0130.06713.67
5.3.10.0030.07713.51
5.3.00.0070.05013.43
5.2.170.0070.06011.07
5.2.160.0130.05011.15
5.2.150.0030.06311.04
5.2.140.0030.03311.16
5.2.130.0070.05711.04
5.2.120.0000.05711.04
5.2.110.0070.06011.04
5.2.100.0070.03011.04
5.2.90.0100.05711.13
5.2.80.0070.06011.04
5.2.70.0070.03311.09
5.2.60.0030.03011.04
5.2.50.0030.04311.07
5.2.40.0030.02711.04
5.2.30.0030.06311.04
5.2.20.0000.06711.04
5.2.10.0070.05711.04
5.2.00.0000.03311.04
5.1.60.0000.05011.04
5.1.50.0030.04311.04
5.1.40.0070.04011.04
5.1.30.0070.05311.04
5.1.20.0030.05311.04
5.1.10.0000.05311.04
5.1.00.0070.05711.04
5.0.50.0000.04311.04
5.0.40.0030.04011.04
5.0.30.0070.06311.04
5.0.20.0070.03711.04
5.0.10.0070.04011.04
5.0.00.0000.05311.04
4.4.90.0070.03311.04
4.4.80.0000.03311.04
4.4.70.0030.03011.04
4.4.60.0030.03311.04
4.4.50.0000.03311.04
4.4.40.0070.05011.04
4.4.30.0000.02711.04
4.4.20.0030.03711.04
4.4.10.0070.03011.04
4.4.00.0030.05311.04
4.3.110.0070.03011.04
4.3.100.0000.03711.04
4.3.90.0070.03011.04
4.3.80.0000.03011.04
4.3.70.0030.03311.04
4.3.60.0030.02011.04
4.3.50.0000.03311.04
4.3.40.0070.04711.04
4.3.30.0000.03311.04
4.3.20.0030.03711.04
4.3.10.0030.03311.04
4.3.00.0000.03311.04

preferences:
54.64 ms | 400 KiB | 5 Q