3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( 'a' => 'val1', 'b' => array('c'=>68) ); $it = new RecursiveIteratorIterator(new RecursiveArrayIterator(new ArrayIterator($data))); foreach ($it as $k=> $var) { printf("%s=%s\n",$k,$var); } ?>

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)
8.3.60.0120.00316.49
8.3.50.0080.01121.90
8.3.40.0100.00718.67
8.3.30.0070.00718.96
8.3.20.0070.00020.30
8.3.10.0050.00323.57
8.3.00.0040.00419.56
8.2.180.0140.00316.75
8.2.170.0170.00322.96
8.2.160.0070.00720.47
8.2.150.0030.00524.18
8.2.140.0000.00824.66
8.2.130.0040.00426.16
8.2.120.0040.00421.16
8.2.110.0030.00621.93
8.2.100.0110.00018.22
8.2.90.0040.00419.29
8.2.80.0000.00817.97
8.2.70.0080.00017.63
8.2.60.0060.00317.93
8.2.50.0000.00818.07
8.2.40.0040.00418.24
8.2.30.0030.00718.12
8.2.20.0000.00717.72
8.2.10.0040.00418.08
8.2.00.0030.00517.79
8.1.280.0110.00725.92
8.1.270.0040.00423.71
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0050.00323.92
8.1.230.0080.00419.15
8.1.220.0080.00017.76
8.1.210.0040.00418.77
8.1.200.0040.00717.35
8.1.190.0030.00517.23
8.1.180.0050.00318.10
8.1.170.0070.00418.41
8.1.160.0070.00021.92
8.1.150.0000.00718.87
8.1.140.0050.00217.46
8.1.130.0030.00317.81
8.1.120.0040.00417.51
8.1.110.0000.00717.41
8.1.100.0040.00417.39
8.1.90.0000.00817.34
8.1.80.0030.00517.47
8.1.70.0040.00417.41
8.1.60.0030.00617.52
8.1.50.0060.00317.57
8.1.40.0060.00317.45
8.1.30.0030.00517.65
8.1.20.0040.00417.65
8.1.10.0080.00017.63
8.1.00.0000.00817.55
8.0.300.0050.00218.77
8.0.290.0060.00316.75
8.0.280.0030.00318.44
8.0.270.0030.00517.26
8.0.260.0000.00617.27
8.0.250.0000.00716.96
8.0.240.0030.00316.95
8.0.230.0000.00816.98
8.0.220.0000.00716.80
8.0.210.0040.00416.86
8.0.200.0050.00216.94
8.0.190.0000.00816.85
8.0.180.0000.01016.88
8.0.170.0080.00016.87
8.0.160.0040.00416.93
8.0.150.0070.00016.75
8.0.140.0070.00016.75
8.0.130.0030.00313.28
8.0.120.0040.00416.86
8.0.110.0040.00416.77
8.0.100.0070.00016.89
8.0.90.0000.00816.89
8.0.80.0150.00616.91
8.0.70.0040.00416.76
8.0.60.0080.00016.71
8.0.50.0000.00716.84
8.0.30.0200.00317.06
8.0.20.0110.01017.40
8.0.10.0040.00416.98
8.0.00.0100.00716.85
7.4.330.0000.00515.15
7.4.320.0030.00316.57
7.4.300.0030.00316.42
7.4.290.0000.00816.64
7.4.280.0040.00416.64
7.4.270.0030.00316.69
7.4.260.0080.00016.49
7.4.250.0000.00716.42
7.4.240.0040.00416.45
7.4.230.0040.00416.45
7.4.220.0070.01116.59
7.4.210.0130.00716.66
7.4.200.0000.00816.59
7.4.160.0060.01016.53
7.4.150.0000.01717.40
7.4.140.0090.00817.86
7.4.130.0120.00616.46
7.4.120.0130.00716.50
7.4.110.0110.00916.55
7.4.100.0150.00616.34
7.4.90.0070.01016.38
7.4.80.0100.01019.39
7.4.70.0060.01016.48
7.4.60.0060.01016.51
7.4.50.0040.00016.36
7.4.40.0090.00616.50
7.4.30.0070.01016.57
7.4.00.0000.01714.69
7.3.330.0050.00013.00
7.3.320.0000.00513.17
7.3.310.0040.00416.26
7.3.300.0030.00316.13
7.3.290.0070.00716.18
7.3.280.0080.01116.25
7.3.270.0080.00817.40
7.3.260.0210.00616.53
7.3.250.0130.00416.38
7.3.240.0080.01216.39
7.3.230.0170.00316.45
7.3.210.0090.00916.19
7.3.200.0120.00619.39
7.3.190.0140.00316.25
7.3.180.0160.00016.60
7.3.170.0150.01116.42
7.3.160.0090.00616.43
7.3.120.0030.00915.00
7.3.10.0080.00416.40
7.3.00.0060.00316.72
7.2.330.0060.01216.71
7.2.320.0150.00816.50
7.2.310.0070.01116.49
7.2.300.0120.00616.75
7.2.290.0090.00616.75
7.2.130.0030.01017.00
7.2.120.0000.01416.76
7.2.110.0110.00417.04
7.2.100.0080.00316.61
7.2.90.0000.01217.03
7.2.80.0090.00617.01
7.2.70.0080.00616.49
7.2.60.0060.00716.87
7.2.50.0040.00816.86
7.2.40.0060.00316.71
7.2.30.0080.00416.86
7.2.20.0000.01616.71
7.2.10.0000.01416.96
7.2.00.0020.01218.17
7.1.250.0040.00715.50
7.1.200.0060.00315.77
7.1.100.0030.00618.07
7.1.70.0050.00317.08
7.1.60.0130.01019.70
7.1.50.0100.00716.89
7.1.00.0030.09022.40
7.0.200.0070.00016.53
7.0.140.0070.07022.12
7.0.60.0170.07320.02
7.0.50.0070.08317.81
7.0.40.0170.05320.23
7.0.30.0300.07720.17
7.0.20.0270.04020.09
7.0.10.0100.06320.34
7.0.00.0130.06020.16
5.6.280.0000.07320.78
5.6.210.0070.03720.62
5.6.200.0030.08018.13
5.6.190.0070.07720.61
5.6.180.0500.07320.41
5.6.170.0430.05320.48
5.6.160.0030.06020.48
5.6.150.0070.08018.16
5.6.140.0100.05318.18
5.6.130.0170.07018.17
5.6.120.0030.07020.98
5.6.110.0100.03720.99
5.6.100.0000.04720.88
5.6.90.0100.06720.92
5.6.80.0130.03320.35
5.5.350.0070.08020.43
5.5.340.0170.07317.99
5.5.330.0070.04720.21
5.5.320.1470.04720.32
5.5.310.0200.06320.24
5.5.300.0030.07717.91
5.5.290.0070.08317.97
5.5.280.0230.04020.96
5.5.270.0030.04020.72
5.5.260.0100.08020.89
5.5.250.0070.07020.46
5.5.240.0070.04320.26
5.4.450.0270.05319.43
5.4.440.0300.04719.23
5.4.430.0500.04019.54
5.4.420.0630.02319.57
5.4.410.0530.04719.26
5.4.400.0370.03719.04
5.4.390.0500.04019.06
5.4.380.0330.05719.05
5.4.370.0730.03719.07
5.4.360.0770.03319.16
5.4.350.0670.03018.77
5.4.340.0400.04319.07
5.4.320.0370.05319.06
5.4.310.0870.04718.77
5.4.300.0600.04318.88
5.4.290.0630.04318.93
5.4.280.1000.02318.93
5.4.270.0570.04319.13
5.4.260.0830.03319.03
5.4.250.0670.03319.21
5.4.240.0270.04018.92
5.4.230.0330.05019.03
5.4.220.0830.03719.06
5.4.210.0530.03719.08
5.4.200.0830.03319.07
5.4.190.0570.04319.12
5.4.180.0630.03719.02
5.4.170.0470.04318.78
5.4.160.0500.04018.77
5.4.150.0600.02718.91
5.4.140.0730.04316.34
5.4.130.0430.03716.22
5.4.120.0370.04016.22
5.4.110.0570.04016.42
5.4.100.0570.04016.22
5.4.90.0130.03316.22
5.4.80.0570.04016.41
5.4.70.0230.05016.35
5.4.60.0730.03716.22
5.4.50.0470.03316.32
5.4.40.0700.03016.36
5.4.30.0570.04016.42
5.4.20.0370.03316.25
5.4.10.0330.03316.40
5.4.00.0970.03316.21
5.3.290.0570.04316.22
5.3.280.0170.04316.22
5.3.270.0400.04716.22
5.3.260.0130.04316.22
5.3.250.0670.02716.22
5.3.240.0600.03716.22
5.3.230.0600.03016.22
5.3.220.0300.04016.22
5.3.210.0830.04716.22
5.3.200.0570.03716.22
5.3.190.0670.03016.22
5.3.180.0630.04016.22
5.3.170.0270.05016.22
5.3.160.0470.04016.22
5.3.150.0330.04016.22
5.3.140.0670.03716.22
5.3.130.0700.04016.21
5.3.120.0270.04016.21
5.3.110.0400.04316.21
5.3.100.0600.04716.21
5.3.90.0470.07316.21
5.3.80.0500.04016.21
5.3.70.0400.04316.21
5.3.60.0600.03716.21
5.3.50.0870.02716.21
5.3.40.0630.03716.21
5.3.30.0770.03716.21
5.3.20.0500.03016.21
5.3.10.0900.03016.21
5.3.00.0330.04016.21
5.2.170.0530.02716.21
5.2.160.0430.03016.21
5.2.150.0730.04016.21
5.2.140.0430.03016.21
5.2.130.0600.02016.21
5.2.120.0700.03316.21
5.2.110.0570.03316.21
5.2.100.0600.01716.21
5.2.90.0200.03016.21
5.2.80.0600.03316.21
5.2.70.0570.03316.21
5.2.60.0600.03016.21
5.2.50.0730.03016.21
5.2.40.0370.02716.21
5.2.30.0530.02316.21
5.2.20.0400.02716.21
5.2.10.0430.04016.21
5.2.00.0400.03316.21
5.1.60.0330.02716.21
5.1.50.0100.03316.21
5.1.40.0530.02316.21
5.1.30.0800.02016.21
5.1.20.0170.02316.21
5.1.10.0730.02016.21
5.1.00.0530.03316.21
5.0.50.0170.02016.21
5.0.40.0330.01316.21
5.0.30.0130.02716.21
5.0.20.0230.02016.21
5.0.10.0100.02016.21
5.0.00.0130.03316.21
4.4.90.0230.01716.21
4.4.80.0330.01716.21
4.4.70.0170.02016.21
4.4.60.0100.02016.21
4.4.50.0230.01716.21
4.4.40.0230.03016.21
4.4.30.0330.01016.21
4.4.20.0300.01316.21
4.4.10.0230.02016.21
4.4.00.0100.02016.21
4.3.110.0030.02016.21
4.3.100.0100.01716.21
4.3.90.0170.02016.21
4.3.80.0270.02016.21
4.3.70.0030.01716.21
4.3.60.0170.01716.21
4.3.50.0270.01316.21
4.3.40.0230.02016.21
4.3.30.0100.01316.20
4.3.20.0070.01316.07
4.3.10.0000.02016.07
4.3.00.0030.01316.07

preferences:
46.89 ms | 401 KiB | 5 Q