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) ); 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)
8.3.60.0100.00716.50
8.3.50.0170.00521.97
8.3.40.0120.00618.71
8.3.30.0070.00719.09
8.3.20.0050.00220.38
8.3.10.0040.00421.77
8.3.00.0000.00820.94
8.2.180.0090.00625.92
8.2.170.0110.00418.96
8.2.160.0110.00722.10
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0050.00326.16
8.2.120.0090.00019.54
8.2.110.0060.00319.35
8.2.100.0040.00817.89
8.2.90.0040.00419.23
8.2.80.0080.00017.97
8.2.70.0050.00317.50
8.2.60.0080.00017.68
8.2.50.0050.00318.07
8.2.40.0040.00419.88
8.2.30.0000.00818.02
8.2.20.0040.00417.71
8.2.10.0040.00417.99
8.2.00.0000.00717.73
8.1.280.0100.00725.92
8.1.270.0060.00320.84
8.1.260.0030.01426.35
8.1.250.0000.00728.09
8.1.240.0060.00319.53
8.1.230.0090.00320.87
8.1.220.0040.00417.79
8.1.210.0000.00918.77
8.1.200.0000.00917.22
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0080.00018.65
8.1.160.0000.00822.05
8.1.150.0000.00718.88
8.1.140.0040.00419.35
8.1.130.0080.00017.86
8.1.120.0000.00717.35
8.1.110.0040.00417.34
8.1.100.0040.00417.32
8.1.90.0040.00417.30
8.1.80.0000.00717.45
8.1.70.0040.00417.46
8.1.60.0030.00517.56
8.1.50.0040.00417.53
8.1.40.0000.00717.40
8.1.30.0080.00017.60
8.1.20.0040.00417.55
8.1.10.0000.00917.54
8.1.00.0050.00317.48
8.0.300.0000.00718.77
8.0.290.0070.00016.63
8.0.280.0070.00018.43
8.0.270.0000.00717.26
8.0.260.0060.00018.43
8.0.250.0030.00316.93
8.0.240.0040.00416.95
8.0.230.0000.00717.01
8.0.220.0030.00316.93
8.0.210.0080.00016.74
8.0.200.0060.00016.85
8.0.190.0000.00716.88
8.0.180.0050.00316.80
8.0.170.0050.00316.95
8.0.160.0000.00816.88
8.0.150.0050.00216.71
8.0.140.0050.00316.80
8.0.130.0000.00613.31
8.0.120.0000.00816.90
8.0.110.0000.00716.77
8.0.100.0000.00816.75
8.0.90.0040.00416.95
8.0.80.0070.01416.89
8.0.70.0000.00716.91
8.0.60.0070.00016.82
8.0.50.0040.00416.99
8.0.30.0110.01217.15
8.0.20.0150.00917.40
8.0.10.0030.00516.83
8.0.00.0050.01416.76
7.4.330.0030.00315.07
7.4.320.0030.00316.50
7.4.300.0000.00716.45
7.4.290.0040.00416.57
7.4.280.0050.00516.62
7.4.270.0000.00816.49
7.4.260.0000.00716.40
7.4.250.0040.00416.46
7.4.240.0020.00516.48
7.4.230.0060.00316.46
7.4.220.0160.00716.50
7.4.210.0040.00916.61
7.4.200.0000.00716.68
7.4.160.0060.00916.57
7.4.150.0140.00917.40
7.4.140.0120.00917.86
7.4.130.0120.00716.49
7.4.120.0040.01216.58
7.4.110.0100.00716.55
7.4.100.0090.00916.35
7.4.90.0100.00716.40
7.4.80.0030.01616.61
7.4.70.0090.00916.35
7.4.60.0140.00316.60
7.4.50.0030.00616.38
7.4.40.0170.00016.41
7.4.30.0160.00616.47
7.4.00.0070.00714.79
7.3.330.0050.00013.00
7.3.320.0060.00613.02
7.3.310.0030.00316.11
7.3.300.0060.00016.16
7.3.290.0050.00316.29
7.3.280.0070.00916.27
7.3.270.0120.00617.40
7.3.260.0030.01416.42
7.3.250.0160.00616.32
7.3.240.0060.01016.36
7.3.230.0080.01216.39
7.3.210.0070.01016.43
7.3.200.0070.01119.39
7.3.190.0080.00816.22
7.3.180.0090.00816.48
7.3.170.0080.00816.27
7.3.160.0130.00916.41
7.2.330.0150.00816.68
7.2.320.0030.01416.36
7.2.310.0100.01016.44
7.2.300.0090.00916.78
7.2.290.0130.00316.45
7.2.60.0100.00616.77
7.2.00.0080.00819.46
7.1.200.0060.00915.66
7.1.100.0030.00617.93
7.1.70.0030.01017.13
7.1.60.0070.01116.99
7.1.50.0030.01916.84
7.1.00.0030.07722.54
7.0.200.0030.01316.74
7.0.140.0070.06322.18
7.0.60.0070.08719.82
7.0.50.0100.05717.82
7.0.40.0200.06720.14
7.0.30.0270.04020.02
7.0.20.0270.05720.23
7.0.10.0030.07020.18
7.0.00.0130.07720.30
5.6.280.0030.07321.13
5.6.210.0200.07320.72
5.6.200.0100.04318.22
5.6.190.0100.08320.43
5.6.180.3130.04320.77
5.6.170.0230.04020.50
5.6.160.0170.04320.52
5.6.150.0130.07718.17
5.6.140.0130.07718.07
5.6.130.0200.07018.18
5.6.120.0130.04721.00
5.6.110.0100.08020.99
5.6.100.0070.04020.88
5.6.90.0030.04020.96
5.6.80.0100.07320.53
5.6.70.4030.04020.39
5.5.350.0370.05720.34
5.5.340.0030.06017.93
5.5.330.0100.08020.21
5.5.320.0230.06320.29
5.5.310.0100.04720.30
5.5.300.0070.08017.98
5.5.290.0100.07717.98
5.5.280.0070.08320.87
5.5.270.0030.04320.72
5.5.260.0200.07020.79
5.5.250.0100.04720.61
5.5.240.0300.07320.14
5.4.450.0600.07019.63
5.4.440.0470.05019.32
5.4.430.0870.05719.09
5.4.420.0930.06719.63
5.4.410.0900.05719.27
5.4.400.0830.05019.29
5.4.390.0070.07318.53
5.4.380.0070.05718.68
5.4.370.0000.06018.52
5.4.360.0130.05018.50
5.4.350.0070.05718.50
5.4.340.0130.05018.50
5.4.320.0170.05018.53
5.4.310.0070.05318.50
5.4.300.0100.05018.62
5.4.290.0030.06318.72
5.4.280.0070.05318.61
5.4.270.0130.04718.69
5.4.260.0170.06018.68
5.4.250.0100.05718.68
5.4.240.0030.07718.49
5.4.230.0170.06318.68
5.4.220.0070.07718.76
5.4.210.0070.06718.67
5.4.200.0100.05016.65
5.4.190.0130.05018.55
5.4.180.0130.05718.70
5.4.170.0070.06018.77
5.4.160.0100.04718.70
5.4.150.0100.05018.60
5.4.140.0070.06316.21
5.4.130.0100.04716.27
5.4.120.0130.05716.17
5.4.110.0070.06316.30
5.4.100.0070.05716.09
5.4.90.0130.07016.16
5.4.80.0200.06016.02
5.4.70.0130.06316.14
5.4.60.0130.06316.14
5.4.50.0100.06716.22
5.4.40.0200.06016.04
5.4.30.0170.06016.13
5.4.20.0070.05316.33
5.4.10.0030.05316.31
5.4.00.0070.05015.58
5.3.290.0130.07714.70
5.3.280.0100.07014.51
5.3.270.0100.07714.70
5.3.260.0100.06314.58
5.3.250.0070.05314.57
5.3.240.0030.05314.60
5.3.230.0130.06014.55
5.3.220.0100.05714.53
5.3.210.0100.05014.64
5.3.200.0030.06314.46
5.3.190.0030.05314.46
5.3.180.0200.04014.66
5.3.170.0100.04714.59
5.3.160.0070.05014.54
5.3.150.0070.05314.61
5.3.140.0130.04314.56
5.3.130.0070.05314.53
5.3.120.0000.06014.57
5.3.110.0130.04714.53
5.3.100.0100.05014.03
5.3.90.0100.04713.91
5.3.80.0100.05314.09
5.3.70.0170.04714.11
5.3.60.0100.06013.91
5.3.50.0070.05013.84
5.3.40.0070.06713.89
5.3.30.0030.05713.82
5.3.20.0070.07013.78
5.3.10.0100.05013.63
5.3.00.0030.06013.63
5.2.170.0130.04011.14
5.2.160.0000.05311.18
5.2.150.0030.04711.20
5.2.140.0030.06011.17
5.2.130.0030.04311.07
5.2.120.0070.04011.13
5.2.110.0100.05011.09
5.2.100.0070.04011.07
5.2.90.0170.03011.13
5.2.80.0030.05011.07
5.2.70.0030.05011.15
5.2.60.0070.06010.97
5.2.50.0130.05011.01
5.2.40.0030.04711.02
5.2.30.0030.05011.01
5.2.20.0170.04010.93
5.2.10.0130.04310.85
5.2.00.0000.04710.71
5.1.60.0000.03710.00
5.1.50.0030.04010.14
5.1.40.0100.0309.96
5.1.30.0100.03310.33
5.1.20.0100.04010.49
5.1.10.0030.04010.20
5.1.00.0070.03310.13
5.0.50.0070.0278.63
5.0.40.0030.0278.57
5.0.30.0070.0408.36
5.0.20.0070.0338.19
5.0.10.0070.0338.20
5.0.00.0070.0408.27
4.4.90.0030.0205.88
4.4.80.0030.0205.88
4.4.70.0000.0275.86
4.4.60.0000.0275.81
4.4.50.0070.0275.93
4.4.40.0030.0375.86
4.4.30.0000.0305.87
4.4.20.0000.0275.91
4.4.10.0130.0135.89
4.4.00.0030.0335.96
4.3.110.0000.0335.84
4.3.100.0100.0135.79
4.3.90.0000.0235.82
4.3.80.0030.0335.91
4.3.70.0130.0135.80
4.3.60.0000.0305.82
4.3.50.0030.0235.78
4.3.40.0170.0235.85
4.3.30.0070.0234.78
4.3.20.0070.0174.78
4.3.10.0000.0274.78
4.3.00.0200.01714.62

preferences:
41.84 ms | 401 KiB | 5 Q