3v4l.org

run code in 300+ PHP versions simultaneously
<?php $data = array( 0 => array( 0 => 1, ), 1 => array( 0 => 2, ), 2 => array( 0 => 3, 1 => 4, 2 => 5, ), 3 => array( 0 => 6, ), 4 => array( 0 => 7, ), ); $it = new RecursiveIteratorIterator(new RecursiveArrayIterator($data)); echo PHP_EOL, implode(iterator_to_array($it)); //745 instead of 1234567 echo PHP_EOL, implode(iterator_to_array($it, true)); //745 instead of 1234567 echo PHP_EOL ; foreach($it as $k=> $v) { echo $k.'=>'.$v.PHP_EOL ; }

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)
8.3.60.0100.01018.40
8.3.50.0100.00821.08
8.3.40.0110.00718.70
8.3.30.0130.00020.21
8.3.20.0040.00420.34
8.3.10.0000.00821.04
8.3.00.0000.00822.38
8.2.180.0140.00725.92
8.2.170.0110.00422.96
8.2.160.0070.00722.17
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0020.00526.16
8.2.120.0050.00320.86
8.2.110.0060.00319.36
8.2.100.0040.00817.78
8.2.90.0050.00219.22
8.2.80.0000.00818.04
8.2.70.0080.00017.63
8.2.60.0040.00717.80
8.2.50.0000.00818.07
8.2.40.0050.00318.28
8.2.30.0000.00719.31
8.2.20.0020.00517.71
8.2.10.0040.00417.62
8.2.00.0000.00717.66
8.1.280.0160.00625.92
8.1.270.0060.00323.99
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0080.00322.45
8.1.230.0110.00020.68
8.1.220.0080.00018.77
8.1.210.0060.00320.86
8.1.200.0080.00017.35
8.1.190.0030.00617.41
8.1.180.0050.00318.10
8.1.170.0080.00018.48
8.1.160.0030.00618.88
8.1.150.0000.00718.68
8.1.140.0040.00417.43
8.1.130.0000.00817.86
8.1.120.0090.00317.48
8.1.110.0000.00817.35
8.1.100.0070.00017.34
8.1.90.0000.00717.45
8.1.80.0040.00417.49
8.1.70.0030.00317.48
8.1.60.0000.00817.55
8.1.50.0000.00817.42
8.1.40.0040.00417.51
8.1.30.0040.00417.60
8.1.20.0030.00617.64
8.1.10.0000.00817.54
8.1.00.0000.00717.49
8.0.300.0060.00320.06
8.0.290.0000.00717.05
8.0.280.0000.00718.45
8.0.270.0030.00317.21
8.0.260.0000.00818.40
8.0.250.0000.00716.85
8.0.240.0060.00316.95
8.0.230.0080.00016.92
8.0.220.0030.00316.89
8.0.210.0000.00916.83
8.0.200.0030.00316.86
8.0.190.0070.00016.84
8.0.180.0000.00816.94
8.0.170.0040.00416.97
8.0.160.0000.00716.93
8.0.150.0040.00416.86
8.0.140.0040.00416.87
8.0.130.0030.00313.30
8.0.120.0040.00416.79
8.0.110.0000.00716.79
8.0.100.0040.00417.00
8.0.90.0040.00416.79
8.0.80.0030.01116.88
8.0.70.0040.00416.78
8.0.60.0000.00716.91
8.0.50.0040.00416.93
8.0.30.0100.01317.08
8.0.20.0090.01117.40
8.0.10.0000.00816.86
8.0.00.0130.00416.74
7.4.330.0020.00216.73
7.4.320.0040.00516.49
7.4.300.0070.00016.52
7.4.290.0030.00316.53
7.4.280.0000.00716.45
7.4.270.0030.00316.52
7.4.260.0000.00613.29
7.4.250.0000.00716.61
7.4.240.0050.00216.60
7.4.230.0000.00716.70
7.4.220.0150.00916.51
7.4.210.0090.00716.57
7.4.200.0000.00716.41
7.4.190.0000.00716.75
7.4.160.0130.00316.61
7.4.150.0070.01017.40
7.4.140.0150.00517.86
7.4.130.0100.00816.46
7.4.120.0080.01116.47
7.4.110.0070.01016.43
7.4.100.0070.01116.52
7.4.90.0100.00716.60
7.4.80.0080.01519.39
7.4.70.0060.00916.41
7.4.60.0030.01516.46
7.4.50.0040.00416.54
7.4.40.0070.01122.77
7.4.30.0110.00616.57
7.4.00.0030.01414.97
7.3.330.0050.00013.11
7.3.320.0050.00013.20
7.3.310.0070.00016.33
7.3.300.0030.00316.28
7.3.290.0140.00316.32
7.3.280.0080.01116.31
7.3.270.0120.00617.40
7.3.260.0120.00718.24
7.3.250.0100.00716.43
7.3.240.0100.01016.38
7.3.230.0070.01016.52
7.3.210.0070.01416.28
7.3.200.0030.01419.39
7.3.190.0090.01216.28
7.3.180.0080.01316.65
7.3.170.0090.01316.50
7.3.160.0060.00916.63
7.3.120.0130.00514.69
7.3.110.0070.00814.95
7.3.100.0130.00614.59
7.3.90.0030.01014.77
7.3.80.0110.00414.45
7.3.70.0100.00614.59
7.3.60.0030.01014.89
7.3.50.0080.00814.93
7.3.40.0080.00814.67
7.3.30.0060.01314.95
7.3.20.0030.00716.44
7.3.10.0150.00516.57
7.3.00.0070.00916.64
7.2.330.0110.00716.83
7.2.320.0070.01316.84
7.2.310.0140.00716.76
7.2.300.0030.01316.75
7.2.290.0000.01616.62
7.2.250.0160.00314.80
7.2.240.0060.01314.99
7.2.230.0040.01115.35
7.2.220.0000.01815.34
7.2.210.0070.00715.08
7.2.200.0070.00715.17
7.2.190.0030.01015.16
7.2.180.0070.00315.05
7.2.170.0100.01014.94
7.2.160.0030.01015.29
7.2.150.0060.00316.82
7.2.140.0000.01317.04
7.2.130.0170.00316.86
7.2.120.0050.01017.07
7.2.110.0070.00516.96
7.2.100.0090.00616.99
7.2.90.0060.00816.99
7.2.80.0070.00616.95
7.2.70.0050.00816.93
7.2.60.0050.00716.95
7.2.50.0070.00716.84
7.2.40.0030.01217.04
7.2.30.0080.00617.00
7.2.20.0010.01217.04
7.2.10.0090.00416.86
7.2.00.0040.01117.82
7.1.330.0070.00715.84
7.1.320.0070.00715.89
7.1.310.0070.01115.89
7.1.300.0000.01315.61
7.1.290.0120.00615.52
7.1.280.0060.01215.65
7.1.270.0060.00615.80
7.1.260.0100.00315.69
7.1.250.0030.01115.74
7.1.240.0070.00315.69
7.1.230.0040.00415.76
7.1.220.0000.00915.86
7.1.210.0060.00615.67
7.1.200.0060.00615.87
7.1.190.0040.00815.81
7.1.180.0030.01015.80
7.1.170.0070.00715.63
7.1.160.0030.01615.84
7.1.150.0070.00715.77
7.1.140.0040.00715.89
7.1.130.0030.01015.89
7.1.120.0090.00015.65
7.1.110.0040.00815.91
7.1.100.0030.01116.72
7.1.90.0000.01615.81
7.1.80.0000.01115.65
7.1.70.0030.00716.51
7.1.60.0090.00917.51
7.1.50.0040.01316.35
7.1.40.0060.00615.83
7.1.30.0160.00015.80
7.1.20.0070.00715.93
7.1.10.0090.00615.88
7.1.00.0050.04318.86
7.0.330.0000.00915.50
7.0.320.0030.00715.53
7.0.310.0060.00315.20
7.0.300.0100.01015.38
7.0.290.0040.00715.50
7.0.280.0030.01015.35
7.0.270.0070.01015.44
7.0.260.0030.00815.30
7.0.250.0040.00815.18
7.0.240.0070.00715.19
7.0.230.0040.00815.54
7.0.220.0040.00815.38
7.0.210.0030.00715.15
7.0.200.0060.00415.97
7.0.190.0060.00615.56
7.0.180.0040.01115.24
7.0.170.0070.00315.21
7.0.160.0110.00415.26
7.0.150.0070.00715.08
7.0.140.0060.03818.63
7.0.130.0070.01015.27
7.0.120.0000.01415.55
7.0.110.0110.00315.48
7.0.100.0110.00315.23
7.0.90.0070.00415.52
7.0.80.0040.01115.44
7.0.70.0120.03818.46
7.0.60.0050.03718.39
7.0.50.0050.04218.76
7.0.40.0050.04016.71
7.0.30.0050.04516.81
7.0.20.0090.03016.60
7.0.10.0050.03216.83
7.0.00.0030.04116.59
5.6.400.0070.00413.98
5.6.390.0090.00014.49
5.6.380.0000.01314.39
5.6.370.0050.00514.25
5.6.360.0040.01414.48
5.6.350.0060.00614.18
5.6.340.0080.00014.35
5.6.330.0100.00714.38
5.6.320.0100.00714.63
5.6.310.0040.01214.10
5.6.300.0000.01714.10
5.6.290.0070.01014.28
5.6.280.0040.03817.81
5.6.270.0000.01414.40
5.6.260.0060.00914.41
5.6.250.0100.00314.23
5.6.240.0040.00414.35
5.6.230.0000.01614.41
5.6.220.0030.04417.40
5.6.210.0040.04417.56
5.6.200.0020.04217.82
5.6.190.0010.04417.71
5.6.180.0030.04917.54
5.6.170.0030.03717.64
5.6.160.0010.04517.58
5.6.150.0020.03217.67
5.6.140.0070.02717.63
5.6.130.0100.04017.70
5.6.120.0070.04217.64
5.6.110.0050.04417.57
5.6.100.0100.04017.54
5.6.90.0050.04017.53
5.6.80.0080.04317.33
5.6.70.0050.04417.36
5.6.60.0070.03217.22
5.6.50.0050.03817.28
5.6.40.0070.02717.26
5.6.30.0070.03817.39
5.6.20.0030.04017.41
5.6.10.0070.04517.49
5.6.00.0050.04317.34
5.5.380.0000.01014.20
5.5.370.0070.00314.32
5.5.360.0070.04417.43
5.5.350.0060.03817.31
5.5.340.0070.03817.28
5.5.330.0050.03517.57
5.5.320.0050.04717.66
5.5.310.0020.04717.54
5.5.300.0030.05017.53
5.5.290.0050.04517.42
5.5.280.0050.04817.55
5.5.270.0060.02617.62
5.5.260.0080.03917.71
5.5.250.0050.04417.46
5.5.240.0050.04217.21
5.5.230.0020.04417.22
5.5.220.0080.03617.27
5.5.210.0090.03117.29
5.5.200.0040.03117.22
5.5.190.0050.04217.19
5.5.180.0090.03816.92
5.5.170.0030.01014.29
5.5.160.0100.03817.26
5.5.150.0000.04117.15
5.5.140.0050.03017.23
5.5.130.0060.02517.26
5.5.120.0050.03317.19
5.5.110.0020.04017.26
5.5.100.0110.03017.34
5.5.90.0090.03817.02
5.5.80.0040.03916.95
5.5.70.0000.03716.90
5.5.60.0050.03216.95
5.5.50.0070.03117.03
5.5.40.0050.04017.01
5.5.30.0020.04416.91
5.5.20.0070.04216.99
5.5.10.0030.04717.13
5.5.00.0020.04617.17
5.4.450.0050.03815.78
5.4.440.0060.02715.85
5.4.430.0060.02115.87
5.4.420.0030.04715.82
5.4.410.0000.03715.74
5.4.400.0030.03915.77
5.4.390.0080.03515.71
5.4.380.0020.03415.76
5.4.370.0070.03115.71
5.4.360.0070.03715.64
5.4.350.0050.03915.69
5.4.340.0000.04115.74
5.4.330.0030.01012.33
5.4.320.0050.04015.74
5.4.310.0060.03815.64
5.4.300.0030.03715.69
5.4.290.0030.04115.63
5.4.280.0060.03615.64
5.4.270.0070.02815.68
5.4.260.0020.04315.55
5.4.250.0020.04215.71
5.4.240.0060.02515.63
5.4.230.0080.04015.71
5.4.220.0080.03215.63
5.4.210.0030.02915.60
5.4.200.0050.03315.67
5.4.190.0070.03515.60
5.4.180.0020.03815.71
5.4.170.0050.04015.71
5.4.160.0110.03215.56
5.4.150.0060.03515.75
5.4.140.0050.02814.28
5.4.130.0050.02514.20
5.4.120.0030.03814.32
5.4.110.0050.04014.33
5.4.100.0020.04114.36
5.4.90.0060.03614.36
5.4.80.0070.03314.30
5.4.70.0030.03114.31
5.4.60.0020.04014.36
5.4.50.0030.03814.30
5.4.40.0080.03714.37
5.4.30.0020.03414.34
5.4.20.0050.03614.36
5.4.10.0050.03014.33
5.4.00.0030.02814.04
5.3.290.0090.03713.50
5.3.280.0030.04213.39
5.3.270.0050.03913.38
5.3.260.0010.04213.46
5.3.250.0030.04113.40
5.3.240.0040.03913.44
5.3.230.0070.03713.46
5.3.220.0040.03113.42
5.3.210.0050.03013.43
5.3.200.0040.04313.44
5.3.190.0070.04113.38
5.3.180.0070.02713.44
5.3.170.0090.03913.37
5.3.160.0030.04013.37
5.3.150.0050.03013.44
5.3.140.0070.03713.38
5.3.130.0060.02413.43
5.3.120.0060.02813.42
5.3.110.0050.04213.44
5.3.100.0060.03713.18
5.3.90.0070.03813.15
5.3.80.0050.02613.17
5.3.70.0050.03813.13
5.3.60.0030.03613.10
5.3.50.0020.03713.12
5.3.40.0020.03813.13
5.3.30.0050.03813.00
5.3.20.0020.03512.96
5.3.10.0020.03712.96
5.3.00.0040.03612.94
5.2.170.0000.06011.07
5.2.160.0000.05311.01
5.2.150.0070.05011.20
5.2.140.0000.04710.96
5.2.130.0000.06711.10
5.2.120.0000.06711.17
5.2.110.0070.05711.09
5.2.100.0030.04710.97
5.2.90.0070.04310.94
5.2.80.0030.05310.95
5.2.70.0070.06310.91
5.2.60.0030.06011.05
5.2.50.0000.06711.07
5.2.40.0070.06010.86
5.2.30.0000.05011.02
5.2.20.0070.06011.01
5.2.10.0100.05710.87
5.2.00.0070.05710.82
5.1.60.0030.05310.43
5.1.50.0030.03710.43
5.1.40.0030.02710.43
5.1.30.0000.02710.44
5.1.20.0070.05710.43
5.1.10.0000.06010.43
5.1.00.0070.04010.43
5.0.50.0000.03710.43
5.0.40.0070.02310.43
5.0.30.0030.04010.43
5.0.20.0000.04310.43
5.0.10.0030.03710.43
5.0.00.0030.06310.43
4.4.90.0070.03010.43
4.4.80.0000.03310.43
4.4.70.0000.03710.43
4.4.60.0000.03710.43
4.4.50.0030.02710.43
4.4.40.0030.04010.43
4.4.30.0000.02010.43
4.4.20.0070.03010.43
4.4.10.0000.03010.43
4.4.00.0000.03710.43
4.3.110.0030.02010.43
4.3.100.0030.02710.43
4.3.90.0000.02710.43
4.3.80.0000.05710.43
4.3.70.0000.03710.43
4.3.60.0030.02010.43
4.3.50.0000.03710.43
4.3.40.0030.04310.43
4.3.30.0000.03710.43
4.3.20.0000.03710.43
4.3.10.0100.03010.43
4.3.00.0000.03310.43

preferences:
47.83 ms | 401 KiB | 5 Q