3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyIterator implements Iterator { private $var = array(); public function __construct($array) { if (is_array($array)) { $this->var = $array; } } public function rewind() { echo "rewinding\n"; reset($this->var); } public function current() { $var = current($this->var); echo "current: $var\n"; return $var; } public function key() { $var = key($this->var); echo "key: $var\n"; return $var; } public function next() { $var = next($this->var); echo "next: $var\n"; return $var; } public function valid() { $key = key($this->var); $var = ($key !== NULL && $key !== FALSE); echo "valid: $var\n"; return $var; } } $values = array(1,2,3); $it = new MyIterator($values); foreach ($it as $a => $b) { print "$a: $b\n"; } class MyCollection implements IteratorAggregate { private $var = array(); private $count = 0; public function __construct($array) { if (is_array($array)) { $this->var = $array; } } // Required definition of interface IteratorAggregate public function getIterator() { return new MyIterator($this->var); } public function add($value) { $this->items[$this->count++] = $value; } } $values = array('value 1','value 2','value 3'); $coll = new MyCollection($values); foreach ($coll as $key => $val) { echo "key/value: [$key -> $val]\n\n"; } ?>

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)
8.3.40.0070.00718.92
8.3.30.0040.01118.71
8.3.20.0030.00618.82
8.3.10.0040.00421.10
8.3.00.0040.00423.65
8.2.170.0110.00422.96
8.2.160.0030.01020.38
8.2.150.0080.00024.18
8.2.140.0080.00024.66
8.2.130.0040.00726.16
8.2.120.0030.00521.09
8.2.110.0070.00320.53
8.2.100.0060.00617.77
8.2.90.0000.00719.20
8.2.80.0040.00419.21
8.2.70.0070.00317.63
8.2.60.0080.00017.93
8.2.50.0000.00918.07
8.2.40.0050.00318.16
8.2.30.0000.01019.59
8.2.20.0000.00817.73
8.2.10.0040.00417.79
8.2.00.0030.00717.79
8.1.270.0050.00223.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0060.00322.45
8.1.230.0090.00320.80
8.1.220.0060.00318.77
8.1.210.0040.00418.80
8.1.200.0030.00617.23
8.1.190.0040.00417.65
8.1.180.0040.00418.10
8.1.170.0030.00818.41
8.1.160.0040.00418.99
8.1.150.0000.00918.75
8.1.140.0000.00717.40
8.1.130.0000.00717.79
8.1.120.0000.00717.54
8.1.110.0040.00417.48
8.1.100.0080.00017.38
8.1.90.0030.00517.39
8.1.80.0030.00517.40
8.1.70.0000.00717.48
8.1.60.0050.00317.63
8.1.50.0050.00317.57
8.1.40.0050.00317.59
8.1.30.0060.00317.75
8.1.20.0040.00417.65
8.1.10.0030.00517.70
8.1.00.0080.00017.55
8.0.300.0080.00020.20
8.0.290.0070.00017.30
8.0.280.0040.00418.55
8.0.270.0000.00717.30
8.0.260.0060.00016.89
8.0.250.0000.00816.99
8.0.240.0030.00616.88
8.0.230.0000.00716.98
8.0.220.0070.00016.81
8.0.210.0040.00416.97
8.0.200.0030.00316.90
8.0.190.0050.00317.01
8.0.180.0000.00716.85
8.0.170.0050.00216.85
8.0.160.0000.00816.98
8.0.150.0040.00416.90
8.0.140.0000.00716.93
8.0.130.0000.00713.45
8.0.120.0030.00616.92
8.0.110.0070.00016.78
8.0.100.0000.00816.91
8.0.90.0000.00716.80
8.0.80.0100.01216.89
8.0.70.0000.00716.82
8.0.60.0000.00816.82
8.0.50.0000.00716.95
8.0.30.0090.01117.10
8.0.20.0110.01517.40
8.0.10.0000.00817.01
8.0.00.0100.01116.87
7.4.330.0000.00714.88
7.4.320.0060.00316.62
7.4.300.0000.00716.62
7.4.290.0000.00816.55
7.4.280.0030.00716.46
7.4.270.0030.00316.64
7.4.260.0000.00513.32
7.4.250.0060.00316.55
7.4.240.0030.00316.56
7.4.230.0000.00716.58
7.4.220.0070.02016.61
7.4.210.0130.00416.62
7.4.200.0050.00316.66
7.4.190.0030.00316.82
7.4.160.0190.00016.57
7.4.150.0150.00317.40
7.4.140.0090.01217.86
7.4.130.0140.01016.55
7.4.120.0090.00916.50
7.4.110.0130.00316.45
7.4.100.0070.01416.52
7.4.90.0130.00516.70
7.4.80.0070.01119.39
7.4.70.0030.01516.59
7.4.60.0030.01316.62
7.4.50.0000.00916.19
7.4.40.0070.01022.77
7.4.30.0100.01116.66
7.4.00.0080.00815.17
7.3.330.0050.00013.20
7.3.320.0030.00313.40
7.3.310.0030.00316.37
7.3.300.0030.00316.45
7.3.290.0070.01316.36
7.3.280.0080.01016.37
7.3.270.0090.01617.40
7.3.260.0120.00718.24
7.3.250.0130.00416.57
7.3.240.0120.00616.36
7.3.230.0130.00316.53
7.3.210.0070.01016.22
7.3.200.0070.01319.39
7.3.190.0110.00716.49
7.3.180.0050.01116.50
7.3.170.0040.01216.46
7.3.160.0100.00716.39
7.3.120.0030.01215.11
7.2.330.0060.01216.88
7.2.320.0150.00616.81
7.2.310.0090.00916.87
7.2.300.0110.00616.63
7.2.290.0040.01216.73
7.2.00.0040.01119.56
7.1.100.0030.00717.94
7.1.70.0000.01116.91
7.1.60.0000.01217.29
7.1.50.0040.01516.95
7.1.00.0030.03722.54
7.0.200.0040.01216.81
7.0.140.0070.07022.02
7.0.100.0230.06719.97
7.0.90.0030.08719.93
7.0.80.0070.08019.91
7.0.70.0470.07319.92
7.0.60.0330.04319.98
7.0.50.0070.08020.18
7.0.40.0000.05320.08
7.0.30.0200.04720.08
7.0.20.0070.07720.03
7.0.10.0070.05020.00
7.0.00.0030.09020.04
5.6.280.0000.07721.01
5.6.250.0170.06320.73
5.6.240.0070.08320.61
5.6.230.0070.05320.55
5.6.220.0030.09320.63
5.6.210.0100.08320.68
5.6.200.0030.06721.12
5.6.190.0030.05021.03
5.6.180.0030.08320.98
5.6.170.0070.07321.02
5.6.160.0100.06721.04
5.6.150.0070.08720.98
5.6.140.0070.05721.03
5.6.130.0030.08021.05
5.6.120.0030.08021.09
5.6.110.0030.05721.02
5.6.100.0130.07720.93
5.6.90.0100.06320.99
5.6.80.0070.08020.47
5.6.70.0100.05320.48
5.6.60.0200.03720.45
5.6.50.0070.08720.38
5.6.40.0030.08320.54
5.6.30.0070.08020.42
5.6.20.0070.08020.36
5.6.10.0100.06020.41
5.6.00.0130.06020.37
5.5.380.0070.08320.38
5.5.370.0100.04320.36
5.5.360.0070.06320.45
5.5.350.0030.08720.47
5.5.340.0070.08020.85
5.5.330.0070.09020.92
5.5.320.0130.07020.75
5.5.310.0070.06720.75
5.5.300.0030.05320.85
5.5.290.0070.05720.75
5.5.280.0070.06720.78
5.5.270.0070.05020.65
5.5.260.0170.05720.78
5.5.250.0070.05320.74
5.5.240.0030.05020.27
5.5.230.0100.08320.19
5.5.220.0070.04720.20
5.5.210.0100.07320.32
5.5.200.0070.08320.10
5.5.190.0100.07320.24
5.5.180.0030.05020.22
5.5.160.0100.07020.16
5.5.150.0100.07720.16
5.5.140.0000.04320.25
5.5.130.0170.03720.25
5.5.120.0070.04720.29
5.5.110.0100.04720.12
5.5.100.0070.04720.03
5.5.90.0030.09020.19
5.5.80.0000.06720.09
5.5.70.0030.05020.12
5.5.60.0070.08320.05
5.5.50.0070.07320.18
5.5.40.0030.03720.15
5.5.30.0070.08020.00
5.5.20.0100.07319.97
5.5.10.0130.07320.09
5.5.00.0170.07320.09
5.4.450.0030.07019.46
5.4.440.0100.07719.53
5.4.430.0130.07319.55
5.4.420.0100.04019.50
5.4.410.0130.07719.05
5.4.400.0130.07318.88
5.4.390.0000.08719.03
5.4.380.0100.07018.90
5.4.370.0100.04019.04
5.4.360.0070.07719.03
5.4.350.0000.06018.86
5.4.340.0130.05319.23
5.4.320.0100.05319.23
5.4.310.0100.05318.95
5.4.300.0000.08718.94
5.4.290.0130.07319.04
5.4.280.0100.06718.95
5.4.270.0070.07719.14
5.4.260.0030.04719.07
5.4.250.0100.06718.94
5.4.240.0070.04019.04
5.4.230.0130.06318.90
5.4.220.0100.04319.02
5.4.210.0170.05319.14
5.4.200.0100.06719.05
5.4.190.0000.07719.11
5.4.180.0170.06319.12
5.4.170.0030.07019.03
5.4.160.0070.07719.02
5.4.150.0070.07719.04
5.4.140.0130.06016.38
5.4.130.0070.07316.39
5.4.120.0170.06316.14
5.4.110.0070.04316.50
5.4.100.0000.06016.48
5.4.90.0070.06016.43
5.4.80.0100.03016.41
5.4.70.0100.07016.46
5.4.60.0030.05716.48
5.4.50.0170.04716.31
5.4.40.0130.05016.52
5.4.30.0030.08016.36
5.4.20.0070.05716.44
5.4.10.0000.06316.43
5.4.00.0130.06015.82
5.3.290.0030.06714.68
5.3.280.0070.08014.74
5.3.270.0070.04314.71
5.3.260.0000.07314.69
5.3.250.0100.07314.62
5.3.240.0130.07014.64
5.3.230.0100.07314.73
5.3.220.0130.06714.70
5.3.210.0100.07014.52
5.3.200.0030.08014.57
5.3.190.0170.06014.73
5.3.180.0070.04014.57
5.3.170.0100.07014.59
5.3.160.0200.07014.59
5.3.150.0030.04014.55
5.3.140.0070.03714.61
5.3.130.0130.06714.70
5.3.120.0130.05314.49
5.3.110.0200.05714.53
5.3.100.0070.07714.13
5.3.90.0030.07714.09
5.3.80.0000.06314.03
5.3.70.0030.05314.10
5.3.60.0070.04013.91
5.3.50.0130.05313.99
5.3.40.0070.06013.86
5.3.30.0100.07313.90
5.3.20.0070.06713.77
5.3.10.0000.07013.79
5.3.00.0070.05313.66
5.2.170.0070.05712.08
5.2.160.0030.06312.08
5.2.150.0000.06012.08
5.2.140.0000.07012.08
5.2.130.0030.05312.08
5.2.120.0070.06012.08
5.2.110.0000.06712.08
5.2.100.0000.04012.08
5.2.90.0070.06012.08
5.2.80.0070.06312.08
5.2.70.0000.06712.08
5.2.60.0030.03312.08
5.2.50.0100.05712.08
5.2.40.0100.03012.08
5.2.30.0030.04712.08
5.2.20.0070.03312.08
5.2.10.0100.05312.08
5.2.00.0030.06012.08
5.1.60.0070.04312.08
5.1.50.0000.04712.08
5.1.40.0000.03012.08
5.1.30.0030.05312.08
5.1.20.0100.02012.08
5.1.10.0070.04012.08
5.1.00.0030.06012.08
5.0.50.0070.04312.08
5.0.40.0130.03012.08
5.0.30.0030.06312.08
5.0.20.0030.04312.08
5.0.10.0030.02712.08
5.0.00.0070.05012.08
4.4.90.0030.03312.08
4.4.80.0030.03312.08
4.4.70.0000.04012.08
4.4.60.0000.02312.08
4.4.50.0030.03712.08
4.4.40.0070.05012.08
4.4.30.0100.02712.08
4.4.20.0000.03312.08
4.4.10.0030.02012.08
4.4.00.0000.03312.08
4.3.110.0030.02312.08
4.3.100.0070.01312.08
4.3.90.0070.02312.08
4.3.80.0000.03712.08
4.3.70.0070.01312.08
4.3.60.0030.02712.08
4.3.50.0030.02312.08
4.3.40.0070.03712.08
4.3.30.0000.03712.08
4.3.20.0070.01312.08
4.3.10.0000.03312.08
4.3.00.0000.02712.08

preferences:
39.35 ms | 400 KiB | 5 Q