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, 16) ); 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)
8.3.60.0100.00616.73
8.3.50.0110.00418.02
8.3.40.0090.00918.44
8.3.30.0040.01119.04
8.3.20.0040.00420.34
8.3.10.0030.00621.74
8.3.00.0080.00021.02
8.2.180.0120.00318.18
8.2.170.0100.00722.96
8.2.160.0110.00422.24
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0080.00026.16
8.2.120.0060.00319.78
8.2.110.0190.00021.04
8.2.100.0110.00017.63
8.2.90.0040.00419.17
8.2.80.0030.00517.97
8.2.70.0000.00817.63
8.2.60.0050.00317.93
8.2.50.0080.00018.07
8.2.40.0050.00319.66
8.2.30.0000.00818.00
8.2.20.0040.00417.57
8.2.10.0040.00418.14
8.2.00.0040.00417.80
8.1.280.0100.00725.92
8.1.270.0090.00020.72
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00620.99
8.1.230.0040.00819.10
8.1.220.0050.00317.74
8.1.210.0000.00718.77
8.1.200.0090.00017.23
8.1.190.0050.00317.13
8.1.180.0050.00318.10
8.1.170.0030.00618.58
8.1.160.0030.00521.95
8.1.150.0040.00418.86
8.1.140.0000.00719.23
8.1.130.0000.00717.86
8.1.120.0070.00017.43
8.1.110.0000.00717.37
8.1.100.0070.00017.39
8.1.90.0050.00317.52
8.1.80.0070.00017.43
8.1.70.0000.00717.35
8.1.60.0000.00817.62
8.1.50.0070.00017.46
8.1.40.0020.00517.55
8.1.30.0040.00417.57
8.1.20.0050.00317.48
8.1.10.0000.00917.45
8.1.00.0040.00417.41
8.0.300.0070.00018.77
8.0.290.0070.00016.75
8.0.280.0030.00318.38
8.0.270.0070.00017.31
8.0.260.0000.00618.52
8.0.250.0070.00017.02
8.0.240.0040.00416.96
8.0.230.0070.00016.95
8.0.220.0050.00216.79
8.0.210.0000.00716.93
8.0.200.0040.00416.96
8.0.190.0030.00317.02
8.0.180.0040.00416.91
8.0.170.0040.00416.83
8.0.160.0040.00416.88
8.0.150.0070.00016.89
8.0.140.0070.00016.80
8.0.130.0000.00713.29
8.0.120.0000.00816.90
8.0.110.0070.00016.97
8.0.100.0040.00416.92
8.0.90.0000.00816.73
8.0.80.0040.01216.85
8.0.70.0030.00516.97
8.0.60.0070.00016.74
8.0.50.0000.00716.84
8.0.30.0100.01016.92
8.0.20.0030.02017.41
8.0.10.0070.00016.82
8.0.00.0070.01016.79
7.4.330.0040.00415.08
7.4.320.0040.00416.53
7.4.300.0030.00316.51
7.4.290.0000.00716.62
7.4.280.0030.00616.48
7.4.270.0000.00716.49
7.4.260.0040.00416.50
7.4.250.0030.00516.48
7.4.240.0080.00016.59
7.4.230.0070.00016.49
7.4.220.0090.01216.65
7.4.210.0030.01116.57
7.4.200.0030.00316.61
7.4.160.0100.00616.59
7.4.150.0220.02717.40
7.4.140.0160.00517.86
7.4.130.0090.01216.43
7.4.120.0050.01316.47
7.4.110.0060.01216.41
7.4.100.0070.01016.39
7.4.90.0110.00516.43
7.4.80.0070.01116.30
7.4.70.0100.01316.52
7.4.60.0100.00616.40
7.4.50.0040.00416.46
7.4.40.0090.00916.60
7.4.30.0060.01316.41
7.4.00.0080.00814.90
7.3.330.0060.00013.21
7.3.320.0040.00913.08
7.3.310.0000.00716.34
7.3.300.0030.00316.27
7.3.290.0030.00316.29
7.3.280.0060.01316.29
7.3.270.0100.00717.40
7.3.260.0120.00916.52
7.3.250.0070.01216.34
7.3.240.0110.00516.38
7.3.230.0070.01016.48
7.3.210.0110.00516.46
7.3.200.0090.01219.39
7.3.190.0100.01016.39
7.3.180.0060.01516.32
7.3.170.0080.00816.32
7.3.160.0090.00916.58
7.3.120.0030.01414.49
7.3.110.0070.01115.11
7.3.100.0030.01314.86
7.3.90.0100.00715.11
7.3.80.0040.01114.54
7.3.70.0070.00714.80
7.3.60.0080.00314.80
7.3.50.0090.00614.69
7.3.40.0030.00714.94
7.3.30.0060.00614.83
7.3.20.0100.00316.68
7.3.10.0070.00816.62
7.3.00.0070.01016.69
7.2.330.0070.01016.54
7.2.320.0070.01016.73
7.2.310.0110.00816.77
7.2.300.0060.01216.72
7.2.290.0150.00316.69
7.2.250.0120.00815.03
7.2.240.0000.01615.01
7.2.230.0030.01015.32
7.2.220.0070.00715.04
7.2.210.0070.00714.74
7.2.200.0100.00414.91
7.2.190.0000.00915.13
7.2.180.0030.01215.19
7.2.170.0040.00815.07
7.2.130.0120.00916.85
7.2.120.0100.00316.82
7.2.110.0030.00616.43
7.2.100.0060.01216.82
7.2.90.0120.00616.86
7.2.80.0020.01016.72
7.2.70.0000.01116.94
7.2.60.0060.00416.88
7.2.50.0090.00316.96
7.2.40.0060.00917.01
7.2.30.0030.00716.70
7.2.20.0060.00917.08
7.2.10.0030.00616.86
7.2.00.0090.00318.31
7.1.330.0080.00815.58
7.1.320.0070.00715.82
7.1.310.0030.00615.77
7.1.300.0000.01315.75
7.1.290.0070.00715.70
7.1.280.0060.00615.82
7.1.270.0000.01415.82
7.1.260.0040.00915.82
7.1.250.0000.01415.64
7.1.200.0000.01415.40
7.1.100.0040.00817.85
7.1.70.0100.00717.19
7.1.60.0060.01919.46
7.1.50.0130.01016.72
7.1.00.0100.07022.54
7.0.200.0030.00516.64
7.0.140.0030.04021.95
7.0.60.0070.04319.92
7.0.50.0030.08717.80
7.0.40.0070.05320.27
7.0.30.0300.07720.00
7.0.20.0300.04720.13
7.0.10.0070.04020.16
7.0.00.0070.04320.16
5.6.210.0000.04320.74
5.6.200.0070.07318.18
5.6.190.0130.08320.37
5.6.180.0430.07320.34
5.6.170.0230.04020.32
5.6.160.0030.06020.38
5.6.150.0070.03718.11
5.6.140.0230.06318.16
5.6.130.0030.05718.18
5.6.120.0070.04321.01
5.6.110.0100.09020.98
5.6.100.0000.06721.00
5.6.90.0030.08320.97
5.6.80.0070.06320.37
5.5.350.0270.05320.43
5.5.340.0070.04717.97
5.5.330.0070.07020.40
5.5.320.0070.06320.21
5.5.310.0270.04020.13
5.5.300.0030.08717.92
5.5.290.0070.05017.98
5.5.280.0030.09020.89
5.5.270.0130.07720.75
5.5.260.0230.06020.79
5.5.250.0100.07720.68
5.5.240.0100.06720.04
5.4.450.0570.06019.42
5.4.440.0130.05319.58
5.4.430.0770.05019.23
5.4.420.0400.05019.47
5.4.410.0800.05719.34
5.4.400.0830.06319.12
5.4.390.0200.05718.50
5.4.380.0230.05018.50
5.4.370.0200.05318.58
5.4.360.0130.05718.78
5.4.350.0130.06318.68
5.4.340.0330.04718.74
5.4.320.0130.06018.52
5.4.310.0170.06718.52
5.4.300.0170.06318.51
5.4.290.0200.05018.52
5.4.280.0270.04318.73
5.4.270.0130.06318.58
5.4.260.0300.04718.64
5.4.250.0200.05018.73
5.4.240.0230.05318.52
5.4.230.0100.06018.71
5.4.220.0200.05318.70
5.4.210.0200.07018.64
5.4.200.0130.07316.43
5.4.190.0170.07318.64
5.4.180.0030.06318.76
5.4.170.0300.05718.48
5.4.160.0130.05318.48
5.4.150.0170.05018.46
5.4.140.0130.07316.18
5.4.130.0130.05016.26
5.4.120.0200.04716.22
5.4.110.0070.05716.16
5.4.100.0130.05016.08
5.4.90.0070.05716.25
5.4.80.0170.05316.03
5.4.70.0200.05316.23
5.4.60.0130.05016.17
5.4.50.0130.05316.00
5.4.40.0100.06016.20
5.4.30.0200.05016.03
5.4.20.0170.04716.07
5.4.10.0070.05316.09
5.4.00.0070.05715.70
5.3.290.0100.06314.60
5.3.280.0070.06314.50
5.3.270.0170.05314.64
5.3.260.0200.06314.60
5.3.250.0230.06314.64
5.3.240.0100.07314.55
5.3.230.0130.05714.51
5.3.220.0270.05314.50
5.3.210.0200.07314.50
5.3.200.0130.06714.57
5.3.190.0170.07014.55
5.3.180.0230.07014.62
5.3.170.0100.06714.53
5.3.160.0370.04014.66
5.3.150.0170.05314.50
5.3.140.0200.06014.61
5.3.130.0170.06014.54
5.3.120.0270.06314.53
5.3.110.0270.05714.48
5.3.100.0100.05714.02
5.3.90.0230.06314.04
5.3.80.0170.06714.11
5.3.70.0230.05714.05
5.3.60.0230.04313.94
5.3.50.0130.06013.93
5.3.40.0200.04314.02
5.3.30.0070.06013.87
5.3.20.0230.05713.78
5.3.10.0330.06013.64
5.3.00.0100.06313.63
5.2.170.0130.04311.20
5.2.160.0170.03711.20
5.2.150.0170.04711.29
5.2.140.0030.05011.07
5.2.130.0230.02711.13
5.2.120.0170.03311.10
5.2.110.0200.04711.05
5.2.100.0170.04711.14
5.2.90.0170.04311.16
5.2.80.0130.05711.07
5.2.70.0100.04311.05
5.2.60.0130.05311.11
5.2.50.0070.05711.14
5.2.40.0130.03710.91
5.2.30.0130.04010.92
5.2.20.0130.03710.98
5.2.10.0130.04010.83
5.2.00.0270.03710.72
5.1.60.0100.04310.08
5.1.50.0070.04010.13
5.1.40.0070.03710.01
5.1.30.0200.03010.30
5.1.20.0030.04710.44
5.1.10.0070.03710.15
5.1.00.0100.04010.10
5.0.50.0130.0338.60
5.0.40.0170.0278.38
5.0.30.0030.0478.20
5.0.20.0070.0308.23
5.0.10.0070.0408.20
5.0.00.0070.0478.23
4.4.90.0070.0205.89
4.4.80.0070.0235.88
4.4.70.0130.0175.96
4.4.60.0100.0175.89
4.4.50.0100.0235.83
4.4.40.0070.0335.92
4.4.30.0070.0235.85
4.4.20.0070.0205.97
4.4.10.0000.0275.94
4.4.00.0000.0435.90
4.3.110.0070.0205.84
4.3.100.0130.0235.83
4.3.90.0100.0205.88
4.3.80.0100.0305.79
4.3.70.0100.0175.91
4.3.60.0070.0205.82
4.3.50.0100.0205.89
4.3.40.0070.0335.83
4.3.30.0030.0234.75
4.3.20.0000.0274.75
4.3.10.0100.0174.75
4.3.00.0430.02714.62

preferences:
43.51 ms | 400 KiB | 5 Q