3v4l.org

run code in 300+ PHP versions simultaneously
<?php // extend the RecursiveIteratorIterator class ULRows extends RecursiveIteratorIterator { function __construct($it) { // here we use the parent class and use LEAVES_ONLY to parent::__construct($it, self::LEAVES_ONLY); } function beginChildren() { echo '<ul>'; } function endChildren() { echo '</ul>' . "\n"; } } /** * * an array of animal ** */ $animals = array( array('type' => 'dog','name' => 'butch','sex' => 'm','breed' => 'boxer'), array('type' => 'dog','name' => 'fido','sex' => 'm','breed' => 'doberman'), array('type' => 'dog','name' => 'girly','sex' => 'f','breed' => 'poodle'), array('type' => 'cat','name' => 'tiddles','sex' => 'm','breed' => 'ragdoll'), array('type' => 'cat','name' => 'tiddles','sex' => 'f','breed' => 'manx'), array('type' => 'cat','name' => 'tiddles','sex' => 'm','breed' => 'maine coon'), array('type' => 'horse','name' => 'ed','sex' => 'm','breed' => 'clydesdale'), array('type' => 'perl_coder','name' => 'shadda','sex' => 'none','breed' => 'mongrel'), array('type' => 'duck','name' => 'galapogus','sex' => 'm','breed' => 'pekin')); /** * * create a new recursive array iterator ** */ $iterator = new RecursiveIteratorIterator(new RecursiveArrayIterator(new ArrayIterator($animals))); /** * * traverse the $iterator object ** */ while ( $iterator->valid() ) { var_dump($iterator->current()); echo "<li>" . $iterator->current() . '</li>'; $iterator->next(); } ?>

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)
8.3.60.0110.01118.48
8.3.50.0140.00521.98
8.3.40.0150.00618.79
8.3.30.0070.01118.91
8.3.20.0110.00420.34
8.3.10.0040.00423.61
8.3.00.0050.00322.40
8.2.180.0040.01116.38
8.2.170.0070.01122.96
8.2.160.0060.00820.35
8.2.150.0000.00824.18
8.2.140.0090.00024.66
8.2.130.0080.00026.16
8.2.120.0070.00319.36
8.2.110.0000.01022.25
8.2.100.0090.00317.84
8.2.90.0030.00619.23
8.2.80.0040.00417.97
8.2.70.0060.00617.63
8.2.60.0030.00617.93
8.2.50.0080.00018.07
8.2.40.0080.00018.22
8.2.30.0000.00817.95
8.2.20.0040.00417.58
8.2.10.0060.00317.76
8.2.00.0060.00317.75
8.1.280.0040.01125.92
8.1.270.0080.00022.14
8.1.260.0070.00026.35
8.1.250.0040.00428.09
8.1.240.0090.00023.88
8.1.230.0080.00419.08
8.1.220.0000.00817.79
8.1.210.0060.00318.77
8.1.200.0000.01017.35
8.1.190.0000.00817.40
8.1.180.0090.00018.10
8.1.170.0040.00418.45
8.1.160.0040.00422.07
8.1.150.0000.01118.61
8.1.140.0000.00817.46
8.1.130.0000.00717.71
8.1.120.0070.00017.44
8.1.110.0050.00217.43
8.1.100.0000.00817.42
8.1.90.0030.00517.52
8.1.80.0050.00217.43
8.1.70.0000.00817.49
8.1.60.0000.00917.60
8.1.50.0080.00017.52
8.1.40.0040.00417.53
8.1.30.0040.00417.47
8.1.20.0080.00017.55
8.1.10.0000.00817.56
8.1.00.0000.00717.53
8.0.300.0070.00018.77
8.0.290.0020.00517.18
8.0.280.0000.00718.49
8.0.270.0040.00417.27
8.0.260.0000.00616.93
8.0.250.0000.00717.01
8.0.240.0040.00417.00
8.0.230.0030.00317.01
8.0.220.0070.00016.97
8.0.210.0000.00817.05
8.0.200.0030.00616.88
8.0.190.0070.00016.99
8.0.180.0000.00817.03
8.0.170.0040.00416.92
8.0.160.0070.00016.93
8.0.150.0040.00416.92
8.0.140.0000.00716.82
8.0.130.0060.00313.46
8.0.120.0040.00416.94
8.0.110.0040.00417.01
8.0.100.0040.00416.84
8.0.90.0000.00716.98
8.0.80.0120.00316.99
8.0.70.0040.00416.93
8.0.60.0000.00716.89
8.0.50.0080.00016.78
8.0.30.0100.00917.17
8.0.20.0140.00617.40
8.0.10.0000.00716.99
8.0.00.0160.00516.74
7.4.330.0000.00515.00
7.4.320.0060.00016.54
7.4.300.0000.00616.51
7.4.290.0030.00316.55
7.4.280.0040.00416.49
7.4.270.0040.00716.46
7.4.260.0070.00016.44
7.4.250.0030.00616.44
7.4.240.0030.00516.59
7.4.230.0070.00016.55
7.4.220.0110.00816.48
7.4.210.0100.00816.50
7.4.200.0000.00716.43
7.4.190.0030.00316.53
7.4.160.0130.00316.31
7.4.150.0140.00717.40
7.4.140.0070.00917.86
7.4.130.0100.01216.52
7.4.120.0090.01016.56
7.4.110.0040.01516.39
7.4.100.0150.00616.58
7.4.90.0170.00316.60
7.4.80.0100.01016.55
7.4.70.0150.00316.65
7.4.60.0040.01616.53
7.4.50.0060.00316.32
7.4.40.0120.00022.77
7.4.30.0070.01016.52
7.4.00.0070.01114.95
7.3.330.0000.00613.17
7.3.320.0030.00313.17
7.3.310.0000.00716.30
7.3.300.0030.00316.30
7.3.290.0080.00616.32
7.3.280.0130.00616.30
7.3.270.0150.00417.40
7.3.260.0110.01116.33
7.3.250.0100.01016.47
7.3.240.0100.00716.22
7.3.230.0100.01616.39
7.3.210.0060.01216.26
7.3.200.0140.00419.39
7.3.190.0070.01016.43
7.3.180.0070.01116.30
7.3.170.0060.01016.28
7.3.160.0100.00716.28
7.3.120.0080.00814.87
7.3.110.0090.00314.83
7.3.100.0170.00015.00
7.3.90.0040.00914.86
7.3.80.0120.00314.92
7.3.70.0100.00314.52
7.3.60.0080.00314.86
7.3.50.0000.01414.43
7.3.40.0080.00414.66
7.3.30.0060.00914.62
7.3.20.0060.01016.62
7.3.10.0090.00416.45
7.3.00.0100.00016.69
7.2.330.0150.00316.34
7.2.320.0060.01916.64
7.2.310.0030.01416.30
7.2.300.0080.00816.82
7.2.290.0160.01016.89
7.2.250.0090.00914.75
7.2.240.0100.01014.80
7.2.230.0080.00815.02
7.2.220.0100.00315.08
7.2.210.0000.01415.06
7.2.200.0030.01314.82
7.2.190.0060.01015.23
7.2.180.0030.00915.16
7.2.170.0100.00015.04
7.2.60.0070.00717.13
7.1.330.0040.00815.69
7.1.320.0100.00315.96
7.1.310.0090.00615.55
7.1.300.0100.00715.60
7.1.290.0040.01215.79
7.1.280.0040.01115.81
7.1.270.0000.01515.83
7.1.260.0070.00315.49
7.1.200.0070.01015.77
7.1.70.0030.01017.18
7.1.60.0080.01119.24
7.1.50.0030.02016.76
7.1.00.0000.08022.40
7.0.200.0060.00616.73
7.0.140.0030.07722.18
7.0.80.0600.07319.89
7.0.70.0470.04020.00
7.0.60.0600.07019.97
7.0.50.0530.08320.31
7.0.40.0100.08020.00
7.0.30.0130.08020.14
7.0.20.0100.07720.09
7.0.10.0130.07720.09
7.0.00.0270.06020.09
5.6.280.0070.07021.06
5.6.230.0130.07320.53
5.6.220.0100.07720.60
5.6.210.0030.06320.67
5.6.200.0100.07721.09
5.6.190.0030.09021.11
5.6.180.0030.08021.05
5.6.170.0130.07721.16
5.6.160.0000.05321.10
5.6.150.0000.05021.16
5.6.140.0070.08321.02
5.6.130.0100.08321.15
5.6.120.0070.05321.06
5.6.110.0100.07721.09
5.6.100.0070.06721.01
5.6.90.0070.05021.02
5.6.80.0070.08320.45
5.6.70.0130.08020.33
5.6.60.0070.08320.50
5.6.50.0000.08020.46
5.6.40.0100.07320.39
5.6.30.0100.07720.38
5.6.20.0130.07320.32
5.6.10.0130.07020.33
5.6.00.0070.08320.45
5.5.370.0000.05020.57
5.5.360.0070.07020.45
5.5.350.0130.07720.41
5.5.340.0130.08320.76
5.5.330.0070.08720.84
5.5.320.0030.05720.86
5.5.310.0100.07720.91
5.5.300.0130.06720.92
5.5.290.0100.08020.82
5.5.280.0100.08020.91
5.5.270.0130.06020.88
5.5.260.0170.07720.93
5.5.250.0030.07020.48
5.5.240.0130.06720.32
5.5.230.0000.07020.23
5.5.220.0100.06320.28
5.5.210.0030.07720.30
5.5.200.0030.07720.29
5.5.190.0130.07720.25
5.5.180.0030.08320.29
5.5.160.0070.08020.02
5.5.150.0170.06720.17
5.5.140.0130.07320.24
5.5.130.0200.06720.10
5.5.120.0070.07720.13
5.5.110.0030.08320.29
5.5.100.0130.07320.09
5.5.90.0100.07320.07
5.5.80.0030.08020.07
5.5.70.0170.07020.13
5.5.60.0030.08020.18
5.5.50.0100.05720.14
5.5.40.0070.06720.06
5.5.30.0170.04720.07
5.5.20.0030.05719.98
5.5.10.0100.06720.13
5.5.00.0070.07020.09
5.4.450.0100.07319.42
5.4.440.0130.07719.45
5.4.430.0100.07319.27
5.4.420.0100.07719.27
5.4.410.0070.07719.24
5.4.400.0070.04719.14
5.4.390.0170.07019.14
5.4.380.0070.07019.04
5.4.370.0000.07318.95
5.4.360.0130.07319.09
5.4.350.0030.05319.16
5.4.340.0070.07319.21
5.4.320.0130.07319.20
5.4.310.0030.06719.21
5.4.300.0170.06719.16
5.4.290.0070.07718.87
5.4.280.0030.06319.16
5.4.270.0030.07019.03
5.4.260.0030.08019.03
5.4.250.0200.06318.90
5.4.240.0070.05719.12
5.4.230.0000.08019.20
5.4.220.0070.08018.84
5.4.210.0130.06319.16
5.4.200.0030.04318.84
5.4.190.0070.07719.13
5.4.180.0130.07319.15
5.4.170.0100.07719.09
5.4.160.0170.06319.02
5.4.150.0030.07019.20
5.4.140.0130.07016.46
5.4.130.0100.07016.47
5.4.120.0100.06716.47
5.4.110.0100.05716.50
5.4.100.0070.07016.44
5.4.90.0070.07316.50
5.4.80.0030.07316.41
5.4.70.0030.03716.36
5.4.60.0130.05016.44
5.4.50.0070.05716.45
5.4.40.0100.07316.30
5.4.30.0100.07716.36
5.4.20.0000.06716.48
5.4.10.0070.05716.41
5.4.00.0030.04715.91
5.3.290.0130.06714.81
5.3.280.0100.07714.71
5.3.270.0130.07314.62
5.3.260.0070.07314.56
5.3.250.0030.07714.61
5.3.240.0000.07714.60
5.3.230.0130.06714.68
5.3.220.0030.06014.73
5.3.210.0000.08014.51
5.3.200.0100.06714.58
5.3.190.0070.07014.70
5.3.180.0000.08014.62
5.3.170.0030.08014.65
5.3.160.0070.07714.54
5.3.150.0070.07014.72
5.3.140.0100.06314.66
5.3.130.0070.08314.64
5.3.120.0000.07314.50
5.3.110.0030.05014.56
5.3.100.0030.07314.18
5.3.90.0070.05014.05
5.3.80.0100.07014.13
5.3.70.0030.08013.95
5.3.60.0070.07014.12
5.3.50.0000.04714.11
5.3.40.0000.07714.03
5.3.30.0030.06013.91
5.3.20.0070.07313.64
5.3.10.0100.06713.71
5.3.00.0070.08013.68
5.2.170.0030.04711.79
5.2.160.0000.06711.79
5.2.150.0030.05711.79
5.2.140.0030.05711.79
5.2.130.0000.05311.79
5.2.120.0070.06311.79
5.2.110.0030.06711.79
5.2.100.0070.06311.79
5.2.90.0070.06311.79
5.2.80.0070.05711.79
5.2.70.0070.06311.79
5.2.60.0030.06311.79
5.2.50.0000.04711.79
5.2.40.0030.06711.79
5.2.30.0070.06011.79
5.2.20.0030.05311.79
5.2.10.0070.05311.79
5.2.00.0000.04711.79
5.1.60.0070.05011.79
5.1.50.0030.05311.79
5.1.40.0070.04011.79
5.1.30.0070.05311.79
5.1.20.0030.05711.79
5.1.10.0030.04711.79
5.1.00.0070.05711.79
5.0.50.0000.04711.79
5.0.40.0070.04011.79
5.0.30.0070.04711.79
5.0.20.0030.04011.79
5.0.10.0070.04311.79
5.0.00.0070.05711.79
4.4.90.0030.03311.79
4.4.80.0070.03011.79
4.4.70.0070.02711.79
4.4.60.0070.03011.79
4.4.50.0000.03011.79
4.4.40.0070.04711.79
4.4.30.0000.03711.79
4.4.20.0000.03711.79
4.4.10.0030.03311.79
4.4.00.0030.05311.79
4.3.110.0000.03711.79
4.3.100.0000.02311.79
4.3.90.0000.03711.79
4.3.80.0070.04311.79
4.3.70.0030.03311.79
4.3.60.0000.04011.79
4.3.50.0000.03311.79
4.3.40.0000.05711.79
4.3.30.0030.02711.79
4.3.20.0070.01711.79
4.3.10.0030.03311.79
4.3.00.0070.03011.79

preferences:
48.05 ms | 401 KiB | 5 Q