3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($arr) { return iterator_to_array( new RecursiveIteratorIterator( new RecursiveArrayIterator($arr) ), false ); } var_dump(test([1,2,3,4,[5,6,[7],8]])); var_dump(test([new stdClass, new stdClass]));

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)
8.3.70.0070.00716.38
8.3.60.0100.00716.75
8.3.50.0110.01016.40
8.3.40.0070.00718.77
8.3.30.0070.00718.51
8.3.20.0060.00318.56
8.3.10.0040.00418.79
8.3.00.0140.00719.25
8.2.180.0150.00416.46
8.2.170.0070.00722.96
8.2.160.0130.00618.66
8.2.150.0030.00524.18
8.2.140.0040.00424.66
8.2.130.0000.00826.16
8.2.120.0070.00417.93
8.2.110.0060.00321.12
8.2.100.0090.00319.52
8.2.90.0040.00417.75
8.2.80.0040.00418.78
8.2.70.0000.00817.63
8.2.60.0050.00417.80
8.2.50.0030.00517.92
8.2.40.0060.00319.34
8.2.30.0030.00717.61
8.2.20.0090.00317.61
8.2.10.0000.00717.68
8.2.00.0000.00817.64
8.1.280.0110.00425.92
8.1.270.0040.00423.99
8.1.260.0060.00326.35
8.1.250.0040.00428.09
8.1.240.0030.00719.09
8.1.230.0060.00617.71
8.1.220.0040.00417.74
8.1.210.0040.00418.77
8.1.200.0060.00617.35
8.1.190.0040.00417.25
8.1.180.0030.00618.10
8.1.170.0000.00817.62
8.1.160.0050.00318.95
8.1.150.0070.00018.70
8.1.140.0040.00417.44
8.1.130.0030.00317.30
8.1.120.0040.00417.42
8.1.110.0040.00417.46
8.1.100.0000.00717.41
8.1.90.0040.00417.45
8.1.80.0000.00817.39
8.1.70.0050.00317.30
8.1.60.0040.00417.52
8.1.50.0040.00417.38
8.1.40.0030.00617.36
8.1.30.0080.00317.58
8.1.20.0060.00317.58
8.1.10.0040.00417.50
8.1.00.0040.00417.44
8.0.300.0070.00318.77
8.0.290.0040.00416.63
8.0.280.0050.00218.53
8.0.270.0000.00717.25
8.0.260.0030.00318.45
8.0.250.0050.00317.00
8.0.240.0040.00416.96
8.0.230.0030.00516.91
8.0.220.0070.00016.83
8.0.210.0030.00316.73
8.0.200.0030.00316.92
8.0.190.0030.00516.93
8.0.180.0030.00916.82
8.0.170.0000.01016.68
8.0.160.0040.00416.96
8.0.150.0040.00416.83
8.0.140.0060.00316.78
8.0.130.0000.00713.30
8.0.120.0000.00816.72
8.0.110.0000.00816.76
8.0.100.0040.00416.63
8.0.90.0040.00416.80
8.0.80.0060.01316.89
8.0.70.0030.00516.71
8.0.60.0040.00416.73
8.0.50.0040.00416.72
8.0.30.0040.01616.87
8.0.20.0150.00416.92
8.0.10.0000.00716.86
8.0.00.0100.00816.63
7.4.330.0000.00512.89
7.4.320.0000.00616.46
7.4.300.0030.00316.59
7.4.290.0070.00016.53
7.4.280.0000.00816.58
7.4.270.0080.00016.60
7.4.260.0030.00613.27
7.4.250.0060.00316.35
7.4.240.0030.00616.50
7.4.230.0040.00416.59
7.4.220.0070.00916.59
7.4.210.0110.01116.45
7.4.200.0030.00316.61
7.4.190.0070.00016.66
7.4.160.0110.00416.38
7.4.150.0150.00316.40
7.4.140.0140.00617.86
7.4.130.0200.00016.50
7.4.120.0070.01116.41
7.4.110.0100.00916.46
7.4.100.0100.00616.44
7.4.90.0130.01016.43
7.4.80.0120.01019.39
7.4.70.0070.01416.36
7.4.60.0110.00616.46
7.4.50.0040.00416.41
7.4.40.0000.01216.43
7.4.30.0110.00516.42
7.4.00.0060.00914.95
7.3.330.0040.00413.24
7.3.320.0030.00313.21
7.3.310.0070.00016.14
7.3.300.0070.00016.29
7.3.290.0070.00816.19
7.3.280.0090.00616.10
7.3.270.0140.00516.59
7.3.260.0090.00916.36
7.3.240.0160.01016.41
7.3.230.0070.01016.32
7.3.210.0140.00916.44
7.3.200.0100.01316.27
7.3.190.0070.01016.41
7.3.180.0100.00716.29
7.3.170.0100.00716.27
7.3.160.0130.00916.21
7.3.120.0100.00314.74
7.3.10.0070.00516.32
7.3.00.0040.00816.33
7.2.330.0060.01216.39
7.2.320.0030.01616.69
7.2.310.0060.01816.72
7.2.300.0130.00616.36
7.2.290.0030.01516.63
7.2.130.0050.00716.75
7.2.120.0030.00716.77
7.2.110.0050.00816.55
7.2.100.0070.00616.68
7.2.90.0050.01016.73
7.2.80.0050.00816.82
7.2.70.0090.00616.88
7.2.60.0050.00816.65
7.2.50.0100.00816.73
7.2.40.0100.00816.60
7.2.30.0040.00716.72
7.2.20.0080.01216.68
7.2.10.0050.00916.79
7.2.00.0050.00816.61
7.1.250.0050.00915.44
7.1.70.0050.00317.18
7.1.60.0200.00319.21
7.1.50.0070.01117.05
7.1.00.0000.03722.51
7.0.200.0000.00916.79
7.0.140.0030.07022.11
7.0.120.0070.07022.15
7.0.60.0100.03320.02
7.0.50.0070.08317.75
7.0.40.0030.06020.05
7.0.30.0200.06020.06
7.0.20.0230.07720.13
7.0.10.0200.07320.23
7.0.00.0070.07720.19
5.6.280.0030.07021.07
5.6.210.0070.04720.50
5.6.200.0130.06318.27
5.6.190.0000.05020.61
5.6.180.0370.07020.62
5.6.170.0330.05720.55
5.6.160.0030.09020.46
5.6.150.0170.07318.18
5.6.140.0130.07718.23
5.6.130.0030.07318.30
5.6.120.0030.05721.02
5.6.110.0070.07721.12
5.6.100.0070.04021.01
5.6.90.0030.04320.93
5.6.80.0000.06320.38
5.6.70.0300.07020.35
5.5.350.0200.07720.43
5.5.340.0030.08017.95
5.5.330.0070.04020.19
5.5.320.0070.08020.46
5.5.310.0270.04020.30
5.5.300.0030.05318.08
5.5.290.0030.05718.03
5.5.280.0100.08020.89
5.5.270.0070.05320.79
5.5.260.0030.05720.75
5.5.250.0070.09020.69
5.5.240.0030.07720.23
5.4.450.0030.07719.20
5.4.440.0000.04719.57
5.4.430.0070.04019.47
5.4.420.0030.05719.46
5.4.410.0070.07719.20
5.4.400.0070.03719.12
5.4.390.0030.04019.16
5.4.380.0170.03318.98
5.4.370.0030.04018.86
5.4.360.0070.03719.14
5.4.350.0100.04719.21
5.4.340.0000.04318.98
5.4.320.0030.04319.20
5.4.310.0000.04318.85
5.4.300.0030.03719.12
5.4.290.0100.03318.98
5.4.280.0000.04019.23
5.4.270.0170.06319.20
5.4.260.0100.05318.87
5.4.250.0070.03718.86
5.4.240.0100.06318.85
5.4.230.0070.07718.95
5.4.220.0170.05719.00
5.4.210.0000.04319.14
5.4.200.0070.07318.85
5.4.190.0100.04319.16
5.4.180.0130.07019.07
5.4.170.0070.04719.16
5.4.160.0070.07719.13
5.4.150.0100.07719.13
5.4.140.0030.06316.38
5.4.130.0030.03716.49
5.4.120.0000.04016.37
5.4.110.0070.03716.46
5.4.100.0100.06016.38
5.4.90.0070.04316.30
5.4.80.0070.07316.51
5.4.70.0130.03716.35
5.4.60.0070.04316.38
5.4.50.0030.04316.43
5.4.40.0070.07016.29
5.4.30.0100.03716.36
5.4.20.0130.04016.50
5.4.10.0130.03316.31
5.4.00.0030.06315.82
5.3.290.0070.03714.69
5.3.280.0070.04714.64
5.3.270.0100.06014.65
5.3.260.0100.05014.66
5.3.250.0130.06714.49
5.3.240.0200.07014.61
5.3.230.0070.04314.62
5.3.220.0130.07014.57
5.3.210.0000.05314.56
5.3.200.0000.05314.45
5.3.190.0030.04714.62
5.3.180.0000.05714.58
5.3.170.0000.04314.70
5.3.160.0030.04314.45
5.3.150.0070.04314.59
5.3.140.0100.07714.59
5.3.130.0000.07314.54
5.3.120.0070.07314.57
5.3.110.0100.07314.60
5.3.100.0100.04314.07
5.3.90.0030.04714.03
5.3.80.0070.03714.16
5.3.70.0030.07014.06
5.3.60.0070.07314.15
5.3.50.0100.06713.95
5.3.40.0030.03714.00
5.3.30.0000.05313.94
5.3.20.0000.03713.61
5.3.10.0030.04013.66
5.3.00.0030.03713.64
5.2.170.0030.03711.14
5.2.160.0000.03011.21
5.2.150.0030.03311.16
5.2.140.0130.04311.14
5.2.130.0000.03311.08
5.2.120.0000.03011.26
5.2.110.0030.03011.09
5.2.100.0030.03011.16
5.2.90.0000.03711.26
5.2.80.0100.04711.09
5.2.70.0030.05011.25
5.2.60.0000.03711.13
5.2.50.0100.05311.02
5.2.40.0130.05010.99
5.2.30.0070.03311.13
5.2.20.0030.06711.02
5.2.10.0000.03710.86
5.2.00.0100.04310.62
5.1.60.0000.0579.95
5.1.50.0070.0239.96
5.1.40.0000.0279.97
5.1.30.0170.04310.34
5.1.20.0000.05010.50
5.1.10.0000.03710.08
5.1.00.0000.04710.22
5.0.50.0030.0308.55
5.0.40.0000.0438.45
5.0.30.0070.0538.27
5.0.20.0030.0238.16
5.0.10.0030.0338.17
5.0.00.0030.0438.17
4.4.90.0070.0177.38
4.4.80.0000.0207.38
4.4.70.0000.0277.38
4.4.60.0000.0277.38
4.4.50.0070.0337.38
4.4.40.0000.0277.38
4.4.30.0000.0177.38
4.4.20.0000.0237.38
4.4.10.0030.0277.38
4.4.00.0070.0277.38
4.3.110.0030.0177.38
4.3.100.0000.0237.38
4.3.90.0030.0207.38
4.3.80.0000.0537.38
4.3.70.0100.0237.38
4.3.60.0000.0237.38
4.3.50.0070.0237.38
4.3.40.0030.0237.38
4.3.30.0030.0137.38
4.3.20.0000.0207.38
4.3.10.0030.0207.38
4.3.00.0030.0337.38

preferences:
46.53 ms | 401 KiB | 5 Q