3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = []; $it = new RecursiveIteratorIterator( new RecursiveArrayIterator($array)); var_dump($it->key());

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)
8.3.70.0160.00016.50
8.3.60.0070.00718.18
8.3.50.0100.01022.12
8.3.40.0060.00818.34
8.3.30.0030.01418.97
8.3.20.0080.00020.16
8.3.10.0070.00023.60
8.3.00.0070.00020.55
8.2.180.0120.00916.50
8.2.170.0120.00318.70
8.2.160.0070.00722.96
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0000.01526.16
8.2.120.0070.00020.87
8.2.110.0060.00322.20
8.2.100.0110.00017.78
8.2.90.0050.00319.21
8.2.80.0000.00817.97
8.2.70.0060.00317.50
8.2.60.0060.00317.80
8.2.50.0050.00518.07
8.2.40.0040.00417.87
8.2.30.0000.00718.05
8.2.20.0040.00417.69
8.2.10.0070.00017.67
8.2.00.0000.00717.68
8.1.280.0040.01125.92
8.1.270.0040.00423.97
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0100.00020.93
8.1.230.0060.00617.46
8.1.220.0030.00517.74
8.1.210.0060.00318.77
8.1.200.0000.00917.35
8.1.190.0080.00017.28
8.1.180.0040.00418.10
8.1.170.0040.00418.65
8.1.160.0000.00921.93
8.1.150.0040.00418.55
8.1.140.0050.00317.38
8.1.130.0030.00317.83
8.1.120.0030.00317.39
8.1.110.0000.00717.26
8.1.100.0030.00317.38
8.1.90.0000.00717.30
8.1.80.0030.00417.38
8.1.70.0070.00017.32
8.1.60.0040.00417.59
8.1.50.0050.00317.44
8.1.40.0040.00417.46
8.1.30.0080.00017.52
8.1.20.0000.00817.62
8.1.10.0050.00317.47
8.1.00.0050.00217.50
8.0.300.0050.00318.77
8.0.290.0070.00016.75
8.0.280.0000.00818.36
8.0.270.0050.00317.17
8.0.260.0030.00316.78
8.0.250.0070.00016.92
8.0.240.0030.00316.84
8.0.230.0000.00716.80
8.0.220.0000.00716.86
8.0.210.0000.00716.75
8.0.200.0000.00616.95
8.0.190.0000.00716.92
8.0.180.0040.00416.73
8.0.170.0040.00416.76
8.0.160.0000.00716.72
8.0.150.0000.00716.71
8.0.140.0070.00016.66
8.0.130.0030.00313.28
8.0.120.0030.00616.77
8.0.110.0040.00416.81
8.0.100.0000.00716.59
8.0.90.0070.00016.76
8.0.80.0090.00616.80
8.0.70.0040.00416.79
8.0.60.0000.00716.69
8.0.50.0040.00416.70
8.0.30.0110.00816.99
8.0.20.0110.00917.40
8.0.10.0040.00416.83
8.0.00.0170.00616.75
7.4.330.0000.00615.08
7.4.320.0000.00616.54
7.4.300.0000.00616.28
7.4.290.0040.00416.43
7.4.280.0000.00816.53
7.4.270.0040.00416.43
7.4.260.0070.00016.37
7.4.250.0040.00416.34
7.4.240.0020.00516.43
7.4.230.0030.00316.55
7.4.220.0070.01116.38
7.4.210.0090.00916.50
7.4.200.0000.00816.52
7.4.190.0040.00416.66
7.4.160.0120.00316.49
7.4.150.0080.00817.40
7.4.140.0090.01017.86
7.4.130.0080.00816.39
7.4.120.0100.00716.40
7.4.110.0110.01116.54
7.4.100.0070.01016.44
7.4.90.0130.01016.38
7.4.80.0150.01416.38
7.4.70.0090.00616.37
7.4.60.0060.01016.18
7.4.50.0000.00616.20
7.4.40.0000.01422.77
7.4.30.0030.01316.46
7.4.00.0100.00614.97
7.3.330.0050.00312.92
7.3.320.0060.00013.05
7.3.310.0090.00016.08
7.3.300.0030.00316.07
7.3.290.0030.01416.09
7.3.280.0070.00916.13
7.3.270.0030.01417.40
7.3.260.0090.00916.08
7.3.250.0060.01216.08
7.3.240.0100.00716.43
7.3.230.0030.01316.39
7.3.210.0100.00716.11
7.3.200.0120.00619.39
7.3.190.0140.00716.05
7.3.180.0090.00616.21
7.3.170.0090.00616.27
7.3.160.0190.00316.17
7.3.120.0140.00014.84
7.2.330.0100.01416.40
7.2.320.0130.00916.40
7.2.310.0180.00316.52
7.2.300.0130.00316.33
7.2.290.0090.01216.46
7.2.60.0100.00316.93
7.1.200.0000.01015.70
7.1.70.0070.01017.13
7.1.60.0070.00717.18
7.1.50.0130.01016.90
7.1.00.0070.07322.44
7.0.200.0130.00316.78
7.0.140.0030.07321.97
7.0.60.0170.06719.93
7.0.50.0070.04017.77
7.0.40.0130.07720.19
7.0.30.0300.03320.09
7.0.20.0230.04020.33
7.0.10.0370.06020.09
7.0.00.0100.08020.04
5.6.280.0000.07720.82
5.6.210.0070.09020.72
5.6.200.0100.03318.20
5.6.190.0100.04020.27
5.6.180.3970.04020.38
5.6.170.0270.03320.33
5.6.160.0000.06720.49
5.6.150.0030.05018.12
5.6.140.0030.08318.15
5.6.130.0100.07718.23
5.6.120.0000.08721.01
5.6.110.0170.07321.01
5.6.100.0070.08020.98
5.6.90.0070.06720.96
5.6.80.0000.04020.50
5.6.70.3100.03320.41
5.5.350.0300.07020.46
5.5.340.0070.08017.89
5.5.330.0070.06320.42
5.5.320.0070.05020.49
5.5.310.0330.07320.27
5.5.300.0070.07317.96
5.5.290.0200.06317.91
5.5.280.0000.05720.87
5.5.270.0100.03320.81
5.5.260.0100.08320.80
5.5.250.0170.06320.63
5.5.240.0000.08020.02
5.4.450.0230.04319.21
5.4.440.0230.04719.45
5.4.430.0200.03719.10
5.4.420.0300.05019.39
5.4.410.0170.04319.35
5.4.400.0230.06019.25
5.4.390.0200.03318.92
5.4.380.0130.03719.11
5.4.370.0170.05018.80
5.4.360.0200.03019.08
5.4.350.0170.03719.09
5.4.340.0170.03719.08
5.4.320.0300.03019.09
5.4.310.0170.03319.09
5.4.300.0130.03718.80
5.4.290.0170.03718.78
5.4.280.0200.03019.23
5.4.270.0170.03718.91
5.4.260.0230.02718.88
5.4.250.0100.04019.23
5.4.240.0200.03019.07
5.4.230.0130.03719.12
5.4.220.0130.04018.78
5.4.210.0130.04719.07
5.4.200.0070.04319.24
5.4.190.0100.04019.23
5.4.180.0130.03719.19
5.4.170.0100.04319.21
5.4.160.0230.06019.06
5.4.150.0170.04718.90
5.4.140.0200.03716.17
5.4.130.0200.07016.53
5.4.120.0270.04716.30
5.4.110.0130.03716.47
5.4.100.0270.06316.43
5.4.90.0130.05016.39
5.4.80.0270.03016.21
5.4.70.0270.04316.41
5.4.60.0200.07316.38
5.4.50.0300.06016.28
5.4.40.0170.06316.43
5.4.30.0230.04316.45
5.4.20.0230.03716.36
5.4.10.0200.04016.42
5.4.00.0270.03315.70
5.3.290.0130.04014.61
5.3.280.0170.03314.57
5.3.270.0130.04014.58
5.3.260.0100.06314.43
5.3.250.0200.04014.44
5.3.240.0270.06714.69
5.3.230.0200.06014.64
5.3.220.0130.06014.47
5.3.210.0230.06014.44
5.3.200.0130.04314.49
5.3.190.0270.05714.47
5.3.180.0200.03714.39
5.3.170.0200.03314.50
5.3.160.0200.04714.63
5.3.150.0200.06314.50
5.3.140.0300.03714.41
5.3.130.0330.04014.41
5.3.120.0270.06714.65
5.3.110.0200.06314.38
5.3.100.0130.06313.91
5.3.90.0100.04013.88
5.3.80.0200.03714.07
5.3.70.0200.05013.96
5.3.60.0230.03013.88
5.3.50.0200.07313.87
5.3.40.0170.07713.80
5.3.30.0270.05713.87
5.3.20.0200.07313.48
5.3.10.0200.04313.49
5.3.00.0300.04713.57
5.2.170.0130.06011.63
5.2.160.0100.04011.63
5.2.150.0130.06011.63
5.2.140.0130.06311.63
5.2.130.0100.05711.63
5.2.120.0170.03011.63
5.2.110.0130.05711.63
5.2.100.0200.04311.63
5.2.90.0200.02711.63
5.2.80.0130.06311.63
5.2.70.0130.03711.63
5.2.60.0170.05711.63
5.2.50.0200.04011.63
5.2.40.0130.06011.63
5.2.30.0130.03711.63
5.2.20.0130.05311.63
5.2.10.0130.06011.63
5.2.00.0200.05711.63
5.1.60.0170.04711.63
5.1.50.0200.03311.63
5.1.40.0130.04711.63
5.1.30.0130.05311.63
5.1.20.0170.05311.63
5.1.10.0170.02711.63
5.1.00.0130.02311.63
5.0.50.0100.04711.63
5.0.40.0070.04011.63
5.0.30.0170.05011.63
5.0.20.0030.04311.63
5.0.10.0100.04011.63
5.0.00.0100.04011.63
4.4.90.0100.03311.63
4.4.80.0100.01711.63
4.4.70.0130.03011.63
4.4.60.0100.01711.63
4.4.50.0100.02011.63
4.4.40.0070.05311.63
4.4.30.0130.02311.63
4.4.20.0070.02011.63
4.4.10.0070.02711.63
4.4.00.0100.05311.63
4.3.110.0070.03311.63
4.3.100.0070.03011.63
4.3.90.0070.02711.63
4.3.80.0070.03311.63
4.3.70.0100.01711.63
4.3.60.0100.03011.63
4.3.50.0070.02311.63
4.3.40.0100.02711.63
4.3.30.0030.01711.63
4.3.20.0000.02711.63
4.3.10.0030.03711.63
4.3.00.0030.03711.63

preferences:
48.92 ms | 401 KiB | 5 Q