3v4l.org

run code in 300+ PHP versions simultaneously
<?php $r = [new stdClass, new stdClass]; var_dump(new \RecursiveArrayIterator($r)); var_dump( iterator_to_array( new \RecursiveIteratorIterator(new \RecursiveArrayIterator($r)), false) );

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)
8.3.60.0100.01016.25
8.3.50.0110.00721.85
8.3.40.0070.00718.88
8.3.30.0110.00418.77
8.3.20.0040.00420.16
8.3.10.0090.00023.67
8.3.00.0020.00520.64
8.2.180.0040.01816.75
8.2.170.0090.00622.96
8.2.160.0100.00322.26
8.2.150.0000.00824.18
8.2.140.0000.00924.66
8.2.130.0030.00626.16
8.2.120.0040.00422.08
8.2.110.0090.00022.05
8.2.100.0040.00817.72
8.2.90.0080.00019.07
8.2.80.0050.00318.04
8.2.70.0030.00617.50
8.2.60.0000.00918.04
8.2.50.0030.00518.07
8.2.40.0050.00319.34
8.2.30.0040.00418.16
8.2.20.0040.00417.63
8.2.10.0000.00717.73
8.2.00.0020.00517.74
8.1.280.0070.01025.92
8.1.270.0040.00422.23
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0060.00323.96
8.1.230.0070.00419.16
8.1.220.0050.00217.74
8.1.210.0000.00918.77
8.1.200.0040.00417.22
8.1.190.0000.00817.51
8.1.180.0040.00418.10
8.1.170.0000.00818.64
8.1.160.0000.00822.00
8.1.150.0040.00418.63
8.1.140.0040.00417.43
8.1.130.0030.00317.80
8.1.120.0000.00717.34
8.1.110.0040.00417.41
8.1.100.0000.00817.39
8.1.90.0030.00317.44
8.1.80.0030.00317.40
8.1.70.0030.00317.33
8.1.60.0080.00017.58
8.1.50.0040.00417.52
8.1.40.0040.00417.37
8.1.30.0040.00417.68
8.1.20.0030.00617.66
8.1.10.0040.00417.49
8.1.00.0070.00017.38
8.0.300.0040.00418.77
8.0.290.0000.00817.04
8.0.280.0070.00018.32
8.0.270.0050.00217.23
8.0.260.0030.00316.76
8.0.250.0000.00716.96
8.0.240.0030.00316.98
8.0.230.0000.00717.00
8.0.220.0080.00016.83
8.0.210.0070.00016.76
8.0.200.0060.00016.92
8.0.190.0030.00316.95
8.0.180.0000.00716.95
8.0.170.0040.00416.91
8.0.160.0040.00416.84
8.0.150.0030.00316.68
8.0.140.0000.00716.73
8.0.130.0000.00613.27
8.0.120.0000.00716.91
8.0.110.0040.00416.84
8.0.100.0040.00416.84
8.0.90.0040.00417.00
8.0.80.0140.00316.88
8.0.70.0060.00316.92
8.0.60.0000.00816.88
8.0.50.0000.00716.83
8.0.30.0120.00617.05
8.0.20.0140.01217.40
8.0.10.0000.00817.03
8.0.00.0120.00716.82
7.4.330.0030.00315.08
7.4.320.0060.00016.48
7.4.300.0030.00316.61
7.4.290.0030.00316.46
7.4.280.0050.00316.40
7.4.270.0060.00016.42
7.4.260.0000.00716.52
7.4.250.0000.00816.54
7.4.240.0040.00416.61
7.4.230.0030.00316.31
7.4.220.0000.01916.62
7.4.210.0060.00916.54
7.4.200.0000.00716.29
7.4.190.0070.00016.73
7.4.160.0160.00716.61
7.4.150.0090.00917.40
7.4.140.0090.00917.86
7.4.130.0110.00816.51
7.4.120.0070.00916.43
7.4.110.0060.01016.52
7.4.100.0160.00016.35
7.4.90.0090.01516.43
7.4.80.0100.01316.41
7.4.70.0080.00816.49
7.4.60.0070.01016.54
7.4.50.0000.00816.50
7.4.40.0110.00322.77
7.4.30.0060.01516.32
7.4.00.0070.00715.07
7.3.330.0000.00512.94
7.3.320.0020.00213.04
7.3.310.0070.00016.35
7.3.300.0000.00716.05
7.3.290.0070.00716.13
7.3.280.0100.00816.21
7.3.270.0220.00317.40
7.3.260.0130.01016.19
7.3.250.0140.00416.29
7.3.240.0100.00716.42
7.3.230.0100.00716.39
7.3.210.0070.01016.38
7.3.200.0110.00719.39
7.3.190.0170.00616.09
7.3.180.0040.01316.16
7.3.170.0060.01616.27
7.3.160.0130.01016.28
7.3.120.0040.01214.68
7.2.330.0170.00016.66
7.2.320.0070.01416.52
7.2.310.0080.00816.61
7.2.300.0150.00316.39
7.2.290.0060.01016.33
7.2.00.0030.00919.24
7.1.100.0030.00918.18
7.1.70.0150.00717.06
7.1.60.0090.01519.29
7.1.50.0150.00316.77
7.1.00.0030.07722.48
7.0.200.0040.00716.45
7.0.140.0000.07721.99
7.0.60.0130.05719.93
7.0.50.0000.05317.91
7.0.40.0070.07020.27
7.0.30.0200.07720.04
7.0.20.0330.05320.00
7.0.10.0330.08320.02
7.0.00.0030.04320.11
5.6.280.0070.07021.11
5.6.210.0170.07320.49
5.6.200.0100.04718.16
5.6.190.0000.07020.60
5.6.180.0270.05020.58
5.6.170.0370.07020.52
5.6.160.0070.05720.46
5.6.150.0100.07318.19
5.6.140.0130.07018.18
5.6.130.0070.08018.09
5.6.120.0100.08321.14
5.6.110.0100.08320.95
5.6.100.0000.09021.10
5.6.90.0070.08320.87
5.6.80.0030.05020.38
5.6.70.0200.07720.36
5.5.350.0130.04020.46
5.5.340.0100.04017.99
5.5.330.0100.07320.29
5.5.320.0030.06020.21
5.5.310.0300.04720.20
5.5.300.0100.05017.98
5.5.290.0100.05017.91
5.5.280.0030.04320.89
5.5.270.0030.04020.79
5.5.260.0230.07020.72
5.5.250.0030.06320.56
5.5.240.0030.05320.22
5.4.450.0700.05719.47
5.4.440.0170.06319.47
5.4.430.0270.05319.48
5.4.420.0330.05319.23
5.4.410.0270.05319.11
5.4.400.0230.04718.51
5.4.390.0200.04718.61
5.4.380.0430.03718.65
5.4.370.0030.04018.67
5.4.360.0130.03718.48
5.4.350.0080.03811.97
5.4.340.0070.03911.97
5.4.320.0060.04212.45
5.4.310.0090.04012.45
5.4.300.0100.03812.45
5.4.290.0110.04312.45
5.4.280.0070.03612.34
5.4.270.0090.03912.34
5.4.260.0050.05312.34
5.4.250.0060.03812.34
5.4.240.0080.04812.35
5.4.230.0060.03712.34
5.4.220.0050.04712.34
5.4.210.0040.03512.34
5.4.200.0050.03812.34
5.4.190.0190.04312.35
5.4.180.0210.03812.35
5.4.170.0160.04712.36
5.4.160.0190.04412.35
5.4.150.0190.04312.34
5.4.140.0200.04312.03
5.4.130.0410.08412.02
5.4.120.0210.04311.98
5.4.110.0170.04411.97
5.4.100.0150.04911.97
5.4.90.0250.06911.97
5.4.80.0160.04811.97
5.4.70.0230.04011.97
5.4.60.0240.04011.97
5.4.50.0220.03911.97
5.4.40.0190.04011.96
5.4.30.0170.04311.95
5.4.20.0170.04211.95
5.4.10.0200.04211.95
5.4.00.0170.04211.45
5.3.290.0070.03812.80
5.3.280.0050.03812.71
5.3.270.0180.04912.73
5.3.260.0200.04212.72
5.3.250.0200.04212.72
5.3.240.0140.04912.72
5.3.230.0200.05312.71
5.3.220.0240.04212.68
5.3.210.0240.04012.68
5.3.200.0150.05912.68
5.3.190.0130.05012.68
5.3.180.0140.04612.67
5.3.170.0210.04112.66
5.3.160.0170.04612.68
5.3.150.0300.06912.67
5.3.140.0190.04912.66
5.3.130.0220.04412.66
5.3.120.0160.04812.66
5.3.110.0110.05012.66
5.3.100.0130.04712.12
5.3.90.0210.03812.08
5.3.80.0170.04312.07
5.3.70.0160.04512.07
5.3.60.0170.04312.07
5.3.50.0200.04012.00
5.3.40.0170.04212.00
5.3.30.0150.04311.96
5.3.20.0160.04311.74
5.3.10.0180.03911.69
5.3.00.0230.03711.68
5.2.170.0110.0389.19
5.2.160.0120.0359.18
5.2.150.0140.0349.18
5.2.140.0120.0359.18
5.2.130.0080.0389.14
5.2.120.0160.0329.14
5.2.110.0140.0349.15
5.2.100.0110.0359.14
5.2.90.0130.0339.14
5.2.80.0100.0379.14
5.2.70.0120.0359.13
5.2.60.0110.0369.09
5.2.50.0130.0349.05
5.2.40.0160.0319.04
5.2.30.0110.0369.00
5.2.20.0130.0349.00
5.2.10.0100.0378.92
5.2.00.0100.0368.77
5.1.60.0080.0338.07
5.1.50.0120.0328.07
5.1.40.0150.0268.05
5.1.30.0160.0288.39
5.1.20.0130.0308.43
5.1.10.0100.0328.14
5.1.00.0090.0328.15
5.0.50.0100.0246.62
5.0.40.0120.0206.48
5.0.30.0060.0386.30
5.0.20.0090.0236.27
5.0.10.0100.0216.25
5.0.00.0050.0396.24
4.4.90.0080.0174.78
4.4.80.0060.0194.76
4.4.70.0090.0164.76
4.4.60.0080.0174.75
4.4.50.0110.0164.77
4.4.40.0100.0284.70
4.4.30.0080.0194.76
4.4.20.0060.0204.84
4.4.10.0110.0154.85
4.4.00.0070.0304.76
4.3.110.0090.0174.67
4.3.100.0080.0164.67
4.3.90.0080.0164.63
4.3.80.0080.0264.59
4.3.70.0060.0194.63
4.3.60.0100.0144.62
4.3.50.0060.0184.63
4.3.40.0060.0284.54
4.3.30.0040.0193.29
4.3.20.0060.0173.27
4.3.10.0080.0143.23
4.3.00.0130.0207.14

preferences:
38.62 ms | 401 KiB | 5 Q