3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = [ 1 => [ 'a' => 'anna', 'b' => 'bob' ], 2 => [ 'c' => 'carol', 'd' => 'david' ] ]; $iterator = new \RecursiveIteratorIterator( new \RecursiveArrayIterator($array, 1) ); foreach ($iterator as $result) { var_dump($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)
8.3.70.0130.00916.38
8.3.60.0140.00316.48
8.3.50.0140.00522.01
8.3.40.0150.00318.84
8.3.30.0100.00319.08
8.3.20.0070.00020.10
8.3.10.0070.00021.79
8.3.00.0070.00020.88
8.2.180.0070.00716.63
8.2.170.0070.01122.96
8.2.160.0070.01022.13
8.2.150.0040.00424.18
8.2.140.0080.00024.66
8.2.130.0080.00026.16
8.2.120.0000.00819.56
8.2.110.0060.00322.11
8.2.100.0080.00417.75
8.2.90.0040.00419.23
8.2.80.0090.00017.97
8.2.70.0060.00317.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0080.00019.88
8.2.30.0000.00818.13
8.2.20.0040.00417.68
8.2.10.0050.00318.18
8.2.00.0070.00017.76
8.1.280.0090.00925.92
8.1.270.0000.00820.78
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0060.00323.92
8.1.230.0070.00419.16
8.1.220.0030.00517.74
8.1.210.0030.00618.77
8.1.200.0060.00317.23
8.1.190.0060.00317.23
8.1.180.0050.00318.10
8.1.170.0000.00918.50
8.1.160.0040.00422.03
8.1.150.0000.00918.89
8.1.140.0060.00319.29
8.1.130.0030.00317.83
8.1.120.0040.00417.45
8.1.110.0040.00417.48
8.1.100.0030.00317.52
8.1.90.0040.00417.49
8.1.80.0070.00017.37
8.1.70.0040.00417.50
8.1.60.0080.00017.49
8.1.50.0000.00817.54
8.1.40.0000.00817.41
8.1.30.0040.00417.66
8.1.20.0030.00517.49
8.1.10.0000.00717.52
8.1.00.0030.00517.45
8.0.300.0000.00818.77
8.0.290.0040.00416.63
8.0.280.0000.00718.46
8.0.270.0000.00717.26
8.0.260.0030.00317.23
8.0.250.0040.00316.96
8.0.240.0040.00416.96
8.0.230.0030.00316.98
8.0.220.0030.00316.93
8.0.210.0000.00716.80
8.0.200.0060.00016.93
8.0.190.0000.00716.84
8.0.180.0070.00016.98
8.0.170.0070.00016.83
8.0.160.0040.00416.82
8.0.150.0000.00716.82
8.0.140.0000.00716.85
8.0.130.0030.00313.33
8.0.120.0040.00416.88
8.0.110.0000.00716.87
8.0.100.0040.00416.88
8.0.90.0000.00716.90
8.0.80.0060.00916.95
8.0.70.0040.00416.97
8.0.60.0040.00416.78
8.0.50.0030.00516.77
8.0.30.0170.00817.04
8.0.20.0140.00917.40
8.0.10.0000.00816.89
8.0.00.0140.00516.96
7.4.330.0070.00015.03
7.4.320.0060.00016.44
7.4.300.0000.00616.65
7.4.290.0070.00016.62
7.4.280.0070.00316.65
7.4.270.0000.00716.63
7.4.260.0000.00716.49
7.4.250.0060.00316.59
7.4.240.0030.00316.56
7.4.230.0030.00316.68
7.4.220.0130.01316.69
7.4.210.0100.00416.52
7.4.200.0050.00216.59
7.4.160.0080.00816.49
7.4.150.0340.01617.40
7.4.140.0070.01417.86
7.4.130.0120.00716.34
7.4.120.0110.01016.43
7.4.110.0140.00316.57
7.4.100.0080.00816.70
7.4.90.0140.00416.44
7.4.80.0030.01316.27
7.4.70.0130.00316.35
7.4.60.0100.00616.61
7.4.50.0030.00516.54
7.4.40.0150.01316.40
7.4.30.0090.00916.35
7.4.00.0130.00214.96
7.3.330.0030.00313.20
7.3.320.0090.00413.12
7.3.310.0030.00316.21
7.3.300.0070.00016.11
7.3.290.0060.00816.28
7.3.280.0060.01316.25
7.3.270.0090.00917.40
7.3.260.0130.01016.79
7.3.250.0130.00916.38
7.3.240.0100.00716.57
7.3.230.0100.00616.50
7.3.210.0030.01316.40
7.3.200.0120.00619.39
7.3.190.0040.01316.57
7.3.180.0100.00716.29
7.3.170.0090.01216.30
7.3.160.0100.01016.67
7.3.120.0090.00914.79
7.3.110.0050.01014.79
7.3.100.0040.00914.98
7.3.90.0050.00514.81
7.3.80.0040.00914.67
7.3.70.0080.00814.76
7.3.60.0040.01014.72
7.3.50.0020.00914.51
7.3.40.0060.00614.86
7.3.30.0090.00614.78
7.3.20.0050.01016.65
7.3.10.0070.00816.44
7.3.00.0070.01216.49
7.2.330.0070.01016.86
7.2.320.0070.01016.67
7.2.310.0060.01216.57
7.2.300.0080.00816.88
7.2.290.0090.01316.42
7.2.250.0070.01015.05
7.2.240.0070.00815.00
7.2.230.0080.00614.87
7.2.220.0040.00715.08
7.2.210.0060.00915.24
7.2.200.0080.00814.96
7.2.190.0070.00915.00
7.2.180.0040.01114.82
7.2.170.0090.00714.92
7.2.160.0000.01314.90
7.2.150.0060.00616.95
7.2.140.0000.01116.71
7.2.130.0000.01417.00
7.2.120.0020.01416.71
7.2.110.0080.01016.64
7.2.100.0060.00916.67
7.2.90.0090.00616.84
7.2.80.0080.00616.79
7.2.70.0110.00416.89
7.2.60.0020.01116.97
7.2.50.0050.00916.95
7.2.40.0030.00916.91
7.2.30.0080.00316.92
7.2.20.0070.00916.86
7.2.10.0050.00916.70
7.2.00.0100.00417.70
7.1.330.0070.00815.77
7.1.320.0030.00915.74
7.1.310.0080.00615.72
7.1.300.0070.00315.66
7.1.290.0020.01015.81
7.1.280.0070.00715.79
7.1.270.0040.00915.74
7.1.260.0050.01115.52
7.1.250.0060.00615.98
7.1.240.0040.00415.76
7.1.230.0030.01315.73
7.1.220.0030.01015.57
7.1.210.0060.00615.76
7.1.200.0070.00515.62
7.1.190.0040.00715.61
7.1.180.0140.00015.69
7.1.170.0090.00615.82
7.1.160.0030.01015.68
7.1.150.0070.00715.61
7.1.140.0070.00315.71
7.1.130.0060.00315.82
7.1.120.0060.00915.61
7.1.110.0120.00315.73
7.1.100.0100.00616.90
7.1.90.0090.00315.87
7.1.80.0080.00815.68
7.1.70.0020.00716.34
7.1.60.0070.01017.56
7.1.50.0080.00816.20
7.1.40.0070.00315.80
7.1.30.0060.00615.66
7.1.20.0100.00315.39
7.1.10.0120.00015.77
7.1.00.0050.04019.03
7.0.320.0090.00315.37
7.0.310.0090.00615.26
7.0.300.0090.00315.23
7.0.290.0000.01215.45
7.0.280.0070.00715.50
7.0.270.0100.00315.54
7.0.260.0100.00015.35
7.0.250.0090.00615.64
7.0.240.0100.00315.23
7.0.230.0040.00415.46
7.0.220.0000.01115.43
7.0.210.0090.00415.40
7.0.200.0050.00615.90
7.0.190.0000.00715.41
7.0.180.0090.00315.10
7.0.170.0030.01015.45
7.0.160.0090.00315.43
7.0.150.0000.01115.23
7.0.140.0050.02018.81
7.0.130.0090.00615.55
7.0.120.0000.01415.28
7.0.110.0100.00315.44
7.0.100.0040.00815.60
7.0.90.0060.00615.57
7.0.80.0040.01115.35
7.0.70.0040.01115.35
7.0.60.0040.02317.64
7.0.50.0000.05116.78
7.0.40.0060.03316.94
7.0.30.0180.04016.87
7.0.20.0180.04316.84
7.0.10.0050.02516.88
7.0.00.0080.01816.84
5.6.380.0040.00814.49
5.6.370.0040.00814.32
5.6.360.0000.01013.89
5.6.350.0110.00414.43
5.6.340.0040.00814.55
5.6.330.0030.01214.39
5.6.320.0030.00914.29
5.6.310.0030.00314.21
5.6.300.0000.01014.49
5.6.290.0000.00714.62
5.6.280.0030.04217.69
5.6.270.0100.00314.40
5.6.260.0030.01014.24
5.6.250.0030.00914.57
5.6.240.0000.00814.49
5.6.230.0080.00414.22
5.6.220.0090.00614.53
5.6.210.0070.04317.47
5.6.200.0090.03716.22
5.6.190.0070.04217.38
5.6.180.0220.03417.50
5.6.170.0160.04317.29
5.6.160.0070.02417.45
5.6.150.0030.02616.20
5.6.140.0040.02916.21
5.6.130.0050.03016.17
5.6.120.0090.02617.62
5.6.110.0120.03917.59
5.6.100.0150.03517.57
5.6.90.0110.04117.72
5.6.80.0080.02617.21
5.6.70.0000.01214.29
5.6.60.0100.00714.09
5.6.50.0100.00314.38
5.6.40.0030.01014.41
5.6.30.0040.01114.11
5.6.20.0090.00414.29
5.6.10.0040.00814.25
5.6.00.0060.00914.33
5.5.380.0060.00611.27
5.5.370.0030.00611.30
5.5.360.0000.00911.41
5.5.350.0130.04315.62
5.5.340.0050.02014.52
5.5.330.0050.04615.69
5.5.320.0020.04715.48
5.5.310.0160.04015.68
5.5.300.0080.01614.43
5.5.290.0020.04714.62
5.5.280.0050.03116.02
5.5.270.0100.02915.98
5.5.260.0030.04715.84
5.5.250.0070.03715.79
5.5.240.0050.04115.65
5.5.230.0060.00311.09
5.5.220.0090.00011.12
5.5.210.0040.00711.10
5.5.200.0000.01210.88
5.5.190.0100.00010.88
5.5.180.0030.00311.22
5.5.170.0000.01414.09
5.5.160.0000.01111.21
5.5.150.0050.00511.11
5.5.140.0060.00610.93
5.5.130.0030.00311.18
5.5.120.0070.00411.06
5.5.110.0070.00310.91
5.5.100.0000.00611.14
5.5.90.0060.00311.20
5.5.80.0080.00410.95
5.5.70.0030.00710.94
5.5.60.0000.00610.82
5.5.50.0030.00511.17
5.5.40.0060.00010.85
5.5.30.0090.00310.89
5.5.20.0060.00010.84
5.5.10.0070.00411.03
5.5.00.0060.00011.12
5.4.450.0300.02814.90
5.4.440.0480.02615.41
5.4.430.0410.02515.24
5.4.420.0430.02815.30
5.4.410.0370.03015.14
5.4.400.0560.02814.94
5.4.390.0090.03414.71
5.4.380.0050.04414.57
5.4.370.0050.04214.84
5.4.360.0120.03214.76
5.4.350.0100.03014.74
5.4.340.0190.02515.01
5.4.330.0060.00610.83
5.4.320.0100.03214.72
5.4.310.0090.03014.78
5.4.300.0140.03614.78
5.4.290.0080.03314.92
5.4.280.0070.03714.51
5.4.270.0100.03814.81
5.4.260.0130.03014.89
5.4.250.0100.03114.78
5.4.240.0060.03414.65
5.4.230.0050.04214.74
5.4.220.0110.03214.74
5.4.210.0150.02514.97
5.4.200.0140.02913.75
5.4.190.0050.03614.65
5.4.180.0150.03814.80
5.4.170.0080.03414.74
5.4.160.0100.03514.63
5.4.150.0100.03314.91
5.4.140.0170.03713.38
5.4.130.0120.03613.52
5.4.120.0090.03013.59
5.4.110.0090.03113.59
5.4.100.0130.03813.55
5.4.90.0080.03513.46
5.4.80.0120.03013.75
5.4.70.0070.03513.48
5.4.60.0080.02813.43
5.4.50.0100.03313.46
5.4.40.0150.03513.67
5.4.30.0130.03013.56
5.4.20.0030.03613.45
5.4.10.0050.03013.68
5.4.00.0050.03213.40
5.3.290.0040.03512.43
5.3.280.0150.02512.43
5.3.270.0050.04212.46
5.3.260.0090.03112.44
5.3.250.0060.02812.40
5.3.240.0120.02812.29
5.3.230.0150.02312.43
5.3.220.0100.02812.38
5.3.210.0130.02812.21
5.3.200.0130.02512.34
5.3.190.0070.03112.34
5.3.180.0050.03312.47
5.3.170.0050.03212.37
5.3.160.0070.03012.38
5.3.150.0080.03112.43
5.3.140.0050.03212.35
5.3.130.0050.03112.29
5.3.120.0090.02812.41
5.3.110.0120.02812.30
5.3.100.0120.03112.23
5.3.90.0070.03112.15
5.3.80.0080.03612.07
5.3.70.0130.03312.12
5.3.60.0070.03312.15
5.3.50.0130.03012.06
5.3.40.0120.03412.11
5.3.30.0100.03512.06
5.3.20.0070.03711.95
5.3.10.0130.03111.77
5.3.00.0060.03811.79
5.2.170.0090.02210.50
5.2.160.0090.02510.46
5.2.150.0110.02710.49
5.2.140.0090.03010.50
5.2.130.0130.02610.42
5.2.120.0090.03210.50
5.2.110.0060.02610.46
5.2.100.0070.02510.54
5.2.90.0100.02210.49
5.2.80.0070.02310.45
5.2.70.0040.02910.49
5.2.60.0070.02810.52
5.2.50.0060.02510.41
5.2.40.0030.02610.44
5.2.30.0040.02310.48
5.2.20.0070.02510.46
5.2.10.0100.02010.39
5.2.00.0110.01810.32
5.1.60.0090.0199.93
5.1.50.0080.0189.98
5.1.40.0050.0209.97
5.1.30.0060.02810.11
5.1.20.0060.02110.13
5.1.10.0130.0209.96
5.1.00.0090.01910.01
5.0.50.0030.0229.20
5.0.40.0060.0169.14
5.0.30.0050.0309.08
5.0.20.0080.0159.05
5.0.10.0050.0159.09
5.0.00.0050.0259.01
4.4.90.0030.0137.87
4.4.80.0060.0107.82
4.4.70.0030.0157.82
4.4.60.0030.0137.87
4.4.50.0050.0127.87
4.4.40.0030.0207.87
4.4.30.0040.0117.86
4.4.20.0070.0137.91
4.4.10.0030.0137.88
4.4.00.0020.0207.86
4.3.110.0000.0167.81
4.3.100.0050.0147.82
4.3.90.0060.0107.81
4.3.80.0060.0227.81
4.3.70.0030.0177.82
4.3.60.0020.0157.85
4.3.50.0030.0137.85
4.3.40.0070.0237.79
4.3.30.0030.0137.29
4.3.20.0030.0137.29
4.3.10.0000.0187.29
4.3.00.0030.01112.23

preferences:
89.93 ms | 401 KiB | 5 Q