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))); echo "<pre>"; 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)
8.3.60.0060.00916.38
8.3.50.0140.00521.94
8.3.40.0140.00018.73
8.3.30.0090.00918.88
8.3.20.0080.00020.34
8.3.10.0050.00323.48
8.3.00.0090.00019.31
8.2.180.0000.01518.13
8.2.170.0090.00622.96
8.2.160.0100.00320.35
8.2.150.0040.00424.18
8.2.140.0050.00224.66
8.2.130.0040.00426.16
8.2.120.0070.00022.13
8.2.110.0060.00322.10
8.2.100.0040.00717.84
8.2.90.0060.00317.84
8.2.80.0030.00617.97
8.2.70.0040.00417.63
8.2.60.0000.00817.93
8.2.50.0040.00418.07
8.2.40.0050.00318.04
8.2.30.0040.00417.93
8.2.20.0030.00617.68
8.2.10.0070.00018.06
8.2.00.0000.00817.73
8.1.280.0040.01125.92
8.1.270.0060.00323.82
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00322.60
8.1.230.0060.00620.89
8.1.220.0000.00817.74
8.1.210.0050.00318.97
8.1.200.0000.00917.35
8.1.190.0030.00617.41
8.1.180.0000.00818.10
8.1.170.0050.00318.59
8.1.160.0000.00822.01
8.1.150.0000.00918.68
8.1.140.0070.00017.45
8.1.130.0040.00417.74
8.1.120.0030.00717.43
8.1.110.0040.00417.36
8.1.100.0000.00717.41
8.1.90.0040.00417.46
8.1.80.0050.00217.35
8.1.70.0000.00717.46
8.1.60.0000.00717.52
8.1.50.0080.00017.50
8.1.40.0040.00417.43
8.1.30.0050.00317.54
8.1.20.0070.00017.48
8.1.10.0000.00717.60
8.1.00.0030.00517.39
8.0.300.0050.00320.03
8.0.290.0040.00417.05
8.0.280.0000.00718.36
8.0.270.0000.00817.26
8.0.260.0030.00316.75
8.0.250.0070.00016.87
8.0.240.0040.00416.84
8.0.230.0030.00317.03
8.0.220.0060.00016.80
8.0.210.0070.00016.87
8.0.200.0030.00316.97
8.0.190.0040.00417.00
8.0.180.0040.00416.93
8.0.170.0040.00416.87
8.0.160.0030.00317.01
8.0.150.0000.00816.80
8.0.140.0040.00416.88
8.0.130.0030.00613.28
8.0.120.0070.00016.80
8.0.110.0070.00016.77
8.0.100.0000.00716.89
8.0.90.0050.00316.79
8.0.80.0130.00916.85
8.0.70.0040.00416.83
8.0.60.0000.00816.88
8.0.50.0000.00816.91
8.0.30.0090.01317.24
8.0.20.0090.01517.40
8.0.10.0000.00816.84
8.0.00.0100.00716.83
7.4.330.0050.00015.20
7.4.320.0000.00716.37
7.4.300.0030.00316.52
7.4.290.0030.00316.42
7.4.280.0030.00316.57
7.4.270.0030.00316.59
7.4.260.0000.00716.58
7.4.250.0000.00816.46
7.4.240.0040.00416.43
7.4.230.0070.00016.49
7.4.220.0090.00916.68
7.4.210.0070.01016.53
7.4.200.0030.00316.44
7.4.190.0040.00416.76
7.4.160.0040.01216.64
7.4.150.0120.00617.40
7.4.140.0120.00617.86
7.4.130.0080.00916.47
7.4.120.0080.00916.48
7.4.110.0110.00716.44
7.4.100.0140.00716.45
7.4.90.0000.01616.41
7.4.80.0070.01519.39
7.4.70.0110.00616.51
7.4.60.0130.00316.55
7.4.50.0040.00416.52
7.4.40.0070.01022.77
7.4.30.0070.01016.46
7.4.00.0030.01215.07
7.3.330.0000.00513.11
7.3.320.0000.00613.20
7.3.310.0000.00616.13
7.3.300.0030.00316.29
7.3.290.0030.01016.12
7.3.280.0070.01016.29
7.3.270.0120.00817.40
7.3.260.0060.01216.55
7.3.250.0080.01216.48
7.3.240.0150.00816.34
7.3.230.0060.01016.46
7.3.210.0160.00016.26
7.3.200.0110.01119.39
7.3.190.0150.00816.53
7.3.180.0060.01016.50
7.3.170.0060.01016.42
7.3.160.0130.00616.46
7.3.120.0040.00414.77
7.2.330.0140.00316.59
7.2.320.0100.00716.53
7.2.310.0110.00516.49
7.2.300.0070.01016.45
7.2.290.0100.01316.64
7.2.60.0030.00717.00
7.2.50.0060.00616.66
7.1.200.0110.00815.93
7.1.100.0000.01417.96
7.1.70.0000.01117.32
7.1.60.0070.00417.05
7.1.50.0140.02134.80
7.1.00.0030.07722.46
7.0.200.0070.00716.81
7.0.140.0100.06721.95
7.0.110.0200.07720.07
7.0.100.0130.04319.94
7.0.90.0130.04019.89
7.0.80.0030.04319.94
7.0.70.0100.03319.93
7.0.60.0100.06020.03
7.0.50.0130.03019.94
7.0.40.0070.07019.86
7.0.30.0070.04719.85
7.0.20.0070.06719.74
7.0.10.0070.08019.78
7.0.00.0030.04319.88
5.6.280.0130.06321.09
5.6.260.0100.07020.66
5.6.250.0070.05020.65
5.6.240.0030.07320.71
5.6.230.0030.04020.54
5.6.220.0070.04320.46
5.6.210.0030.07020.58
5.6.200.0070.03720.57
5.6.190.0100.03320.70
5.6.180.0100.07320.61
5.6.170.0030.05020.55
5.6.160.0070.03720.64
5.6.150.0070.06720.55
5.6.140.0070.04320.58
5.6.130.0070.05020.61
5.6.120.0000.05320.64
5.6.110.0030.04020.60
5.6.100.0030.04320.45
5.6.90.0200.06320.54
5.6.80.0100.05020.06
5.6.70.0070.05319.96
5.6.60.0130.07319.99
5.6.50.0070.03320.02
5.6.40.0030.06020.00
5.6.30.0070.06019.97
5.6.20.0070.06320.06
5.6.10.0070.07320.00
5.6.00.0030.03719.92
5.5.380.0100.08717.63
5.5.370.0070.03717.53
5.5.360.0100.08317.62
5.5.350.0030.08017.65
5.5.340.0000.07018.16
5.5.330.0100.03318.14
5.5.320.0000.04718.17
5.5.310.0030.04318.09
5.5.300.0070.05318.16
5.5.290.0070.06718.16
5.5.280.0030.05018.02
5.5.270.0030.04018.02
5.5.260.0100.05017.86
5.5.250.0000.04317.58
5.5.240.0100.07317.37
5.5.230.0070.05717.55
5.5.220.0030.04717.54
5.5.210.0030.03717.51
5.5.200.0030.06317.20
5.5.190.0070.03317.61
5.5.180.0070.05017.56
5.5.160.0030.03717.38
5.5.150.0130.06017.50
5.5.140.0070.06017.20
5.5.130.0000.07717.44
5.5.120.0070.08017.51
5.5.110.0070.03317.52
5.5.100.0070.05317.14
5.5.90.0170.06717.11
5.5.80.0070.07017.38
5.5.70.0070.04717.13
5.5.60.0070.06717.41
5.5.50.0000.08017.01
5.5.40.0000.06017.13
5.5.30.0030.07317.39
5.5.20.0000.08317.00
5.5.10.0030.04717.10
5.5.00.0070.07317.26
5.4.450.0130.07319.31
5.4.440.0030.04019.52
5.4.430.0200.03719.33
5.4.420.0070.07019.43
5.4.410.0100.06019.22
5.4.400.0100.06718.99
5.4.390.0030.07718.95
5.4.380.0100.05719.07
5.4.370.0100.03018.98
5.4.360.0030.07019.10
5.4.350.0030.03718.95
5.4.340.0030.03719.12
5.4.320.0030.06719.03
5.4.310.0030.03719.08
5.4.300.0170.06718.95
5.4.290.0070.04319.09
5.4.280.0100.06719.10
5.4.270.0170.06718.98
5.4.260.0130.04718.94
5.4.250.0070.03719.11
5.4.240.0070.05319.02
5.4.230.0100.06319.16
5.4.220.0070.04718.95
5.4.210.0100.07019.11
5.4.200.0070.07019.11
5.4.190.0000.06019.00
5.4.180.0070.06319.09
5.4.170.0130.02718.94
5.4.160.0070.06319.00
5.4.150.0030.04719.09
5.4.140.0070.03716.48
5.4.130.0100.06716.52
5.4.120.0100.05016.20
5.4.110.0100.06316.29
5.4.100.0130.02316.23
5.4.90.0170.07716.49
5.4.80.0000.03716.27
5.4.70.0070.05016.27
5.4.60.0070.06016.46
5.4.50.0100.07316.37
5.4.40.0030.05316.26
5.4.30.0070.05016.47
5.4.20.0000.04716.50
5.4.10.0030.07316.38
5.4.00.0030.07315.64
5.3.290.0070.05314.74
5.3.280.0000.07714.61
5.3.270.0070.07014.63
5.3.260.0100.06314.53
5.3.250.0100.04714.66
5.3.240.0070.03314.55
5.3.230.0070.03314.61
5.3.220.0000.04014.63
5.3.210.0100.05014.46
5.3.200.0030.03714.58
5.3.190.0130.03014.63
5.3.180.0070.05714.42
5.3.170.0030.07014.46
5.3.160.0030.07714.58
5.3.150.0070.07714.46
5.3.140.0130.07014.48
5.3.130.0000.06014.42
5.3.120.0030.07314.41
5.3.110.0070.03714.55
5.3.100.0130.06713.93
5.3.90.0100.07313.88
5.3.80.0070.06713.88
5.3.70.0070.07314.08
5.3.60.0000.06714.07
5.3.50.0100.06313.77
5.3.40.0030.07313.97
5.3.30.0000.04013.92
5.3.20.0030.04713.63
5.3.10.0070.03013.68
5.3.00.0000.04013.57
5.2.170.0070.03712.07
5.2.160.0100.05712.07
5.2.150.0030.02712.07
5.2.140.0000.03312.07
5.2.130.0070.05712.07
5.2.120.0000.04012.07
5.2.110.0070.02312.07
5.2.100.0070.04012.07
5.2.90.0070.02312.07
5.2.80.0030.02712.07
5.2.70.0000.04012.07
5.2.60.0000.03312.07
5.2.50.0030.02712.07
5.2.40.0070.02312.07
5.2.30.0000.03712.07
5.2.20.0000.03012.07
5.2.10.0000.03012.07
5.2.00.0030.02712.07
5.1.60.0000.02712.07
5.1.50.0030.02312.07
5.1.40.0000.02712.07
5.1.30.0030.02312.07
5.1.20.0000.02712.07
5.1.10.0000.03312.07
5.1.00.0000.02712.07
5.0.50.0000.02712.07
5.0.40.0000.02312.07
5.0.30.0070.02312.07
5.0.20.0000.03012.07
5.0.10.0000.02012.07
5.0.00.0000.03012.07
4.4.90.0030.01312.07
4.4.80.0000.01712.07
4.4.70.0070.01012.07
4.4.60.0030.01312.07
4.4.50.0000.01712.07
4.4.40.0000.03012.07
4.4.30.0000.01312.07
4.4.20.0030.01312.07
4.4.10.0030.02712.07
4.4.00.0000.02312.07
4.3.110.0030.01712.07
4.3.100.0000.01712.07
4.3.90.0030.01012.07
4.3.80.0030.02012.07
4.3.70.0000.01312.07
4.3.60.0000.01312.07
4.3.50.0000.01712.07
4.3.40.0030.02712.07
4.3.30.0030.01312.07
4.3.20.0030.01012.07
4.3.10.0000.01312.07
4.3.00.0000.01312.07

preferences:
36.78 ms | 401 KiB | 5 Q