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: $b\n"; } var_dump($it->valid()); ?>

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)
8.3.60.0150.00318.48
8.3.50.0060.01021.21
8.3.40.0040.01118.55
8.3.30.0070.00718.80
8.3.20.0080.00018.85
8.3.10.0080.00019.16
8.3.00.0060.00323.53
8.2.180.0190.00316.75
8.2.170.0140.00422.96
8.2.160.0070.00720.35
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00421.10
8.2.110.0060.00320.39
8.2.100.0040.00817.72
8.2.90.0000.00819.09
8.2.80.0080.00017.97
8.2.70.0050.00317.63
8.2.60.0030.00617.93
8.2.50.0040.00418.07
8.2.40.0000.00817.97
8.2.30.0040.00419.83
8.2.20.0000.00817.59
8.2.10.0080.00017.64
8.2.00.0060.00317.81
8.1.280.0070.01025.92
8.1.270.0050.00323.99
8.1.260.0040.00426.35
8.1.250.0000.00728.09
8.1.240.0000.00922.46
8.1.230.0040.00820.91
8.1.220.0080.00018.77
8.1.210.0000.00818.84
8.1.200.0070.00317.35
8.1.190.0090.00017.53
8.1.180.0040.00418.10
8.1.170.0000.00818.66
8.1.160.0070.00018.82
8.1.150.0040.00418.57
8.1.140.0000.00717.54
8.1.130.0040.00417.75
8.1.120.0040.00417.48
8.1.110.0000.00817.37
8.1.100.0040.00417.51
8.1.90.0000.00717.54
8.1.80.0040.00417.40
8.1.70.0030.00517.46
8.1.60.0040.00417.61
8.1.50.0100.00017.45
8.1.40.0030.00517.43
8.1.30.0000.00817.66
8.1.20.0030.00617.56
8.1.10.0040.00417.49
8.1.00.0050.00317.54
8.0.300.0060.00320.04
8.0.290.0000.00717.28
8.0.280.0030.00318.45
8.0.270.0000.00717.22
8.0.260.0000.00716.75
8.0.250.0000.00717.01
8.0.240.0040.00416.89
8.0.230.0000.00816.86
8.0.220.0000.00716.90
8.0.210.0020.00516.95
8.0.200.0030.00316.89
8.0.190.0040.00416.93
8.0.180.0000.00716.92
8.0.170.0000.00716.88
8.0.160.0000.00717.01
8.0.150.0000.00816.82
8.0.140.0040.00416.82
8.0.130.0000.00513.38
8.0.120.0000.00716.75
8.0.110.0060.00316.75
8.0.100.0000.00716.79
8.0.90.0040.00416.86
8.0.80.0060.01516.86
8.0.70.0000.00716.95
8.0.60.0070.00016.99
8.0.50.0000.00716.89
8.0.30.0110.00817.31
8.0.20.0080.01017.45
8.0.10.0040.00417.09
8.0.00.0080.00916.82
7.4.330.0000.00514.78
7.4.320.0030.00616.53
7.4.300.0000.00616.61
7.4.290.0000.00716.50
7.4.280.0000.00716.59
7.4.270.0030.00516.52
7.4.260.0030.00313.21
7.4.250.0070.00016.52
7.4.240.0040.00416.52
7.4.230.0030.00316.33
7.4.220.0070.01016.68
7.4.210.0100.00916.55
7.4.200.0040.00416.62
7.4.190.0030.00316.42
7.4.160.0040.01216.60
7.4.150.0030.01417.40
7.4.140.0110.00617.86
7.4.130.0130.00516.55
7.4.120.0130.00416.53
7.4.110.0060.01216.57
7.4.100.0000.01516.43
7.4.90.0130.01016.47
7.4.80.0070.01419.37
7.4.70.0090.01316.62
7.4.60.0030.01516.54
7.4.50.0040.00416.31
7.4.40.0080.00522.52
7.4.30.0080.00816.66
7.4.00.0080.00614.99
7.3.330.0020.00213.37
7.3.320.0030.00313.36
7.3.310.0070.00016.23
7.3.300.0070.00016.24
7.3.290.0030.01216.39
7.3.280.0100.00516.39
7.3.270.0090.00617.40
7.3.260.0040.01318.24
7.3.250.0100.00816.34
7.3.240.0100.01316.43
7.3.230.0130.01016.52
7.3.210.0100.00816.46
7.3.200.0120.00619.39
7.3.190.0060.01016.38
7.3.180.0130.00316.39
7.3.170.0080.00816.29
7.3.160.0090.00616.52
7.3.120.0090.00714.89
7.3.110.0130.00615.02
7.3.100.0080.00414.91
7.3.90.0030.01014.80
7.3.80.0040.01214.71
7.3.70.0100.00714.90
7.3.60.0000.01514.90
7.3.50.0060.00914.90
7.3.40.0110.00014.87
7.3.30.0030.01214.57
7.3.20.0070.01016.66
7.3.10.0060.00316.50
7.3.00.0040.01116.38
7.2.330.0060.01216.86
7.2.320.0120.00916.82
7.2.310.0140.00716.42
7.2.300.0150.00316.68
7.2.290.0030.01516.78
7.2.250.0030.01715.30
7.2.240.0070.01115.25
7.2.230.0000.01715.24
7.2.220.0040.01514.94
7.2.210.0040.00715.02
7.2.200.0030.01315.20
7.2.190.0060.00915.21
7.2.180.0110.01115.26
7.2.170.0090.00315.21
7.1.330.0060.00915.88
7.1.320.0110.00415.91
7.1.310.0060.00615.91
7.1.300.0060.00915.77
7.1.290.0100.01015.76
7.1.280.0060.00315.75
7.1.270.0100.00316.02
7.1.260.0030.01015.90
7.1.70.0070.00317.19
7.1.60.0030.00916.94
7.1.50.0070.00417.03
7.1.00.0030.06322.48
7.0.200.0040.00416.79
7.0.140.0070.07022.01
7.0.80.0200.07320.16
7.0.70.0130.08019.92
7.0.60.0170.08019.94
7.0.50.0130.06720.42
7.0.40.0130.07720.03
7.0.30.0000.08320.14
7.0.20.0030.08320.13
7.0.10.0070.08020.03
7.0.00.0170.07320.12
5.6.280.0030.07321.13
5.6.230.0070.08320.57
5.6.220.0130.07720.75
5.6.210.0130.07720.57
5.6.200.0070.08320.97
5.6.190.0030.06721.13
5.6.180.0030.06321.09
5.6.170.0170.07021.09
5.6.160.0070.07321.04
5.6.150.0130.04020.99
5.6.140.0000.08320.96
5.6.130.0070.08320.91
5.6.120.0070.09020.97
5.6.110.0130.06321.08
5.6.100.0100.08321.08
5.6.90.0030.08021.00
5.6.80.0100.08320.43
5.6.70.0100.04720.35
5.6.60.0070.07320.51
5.6.50.0170.07320.43
5.6.40.0170.06020.48
5.6.30.0130.06720.41
5.6.20.0130.06720.40
5.6.10.0070.08320.36
5.6.00.0070.05720.32
5.5.370.0070.07320.55
5.5.360.0100.08320.36
5.5.350.0000.08720.46
5.5.340.0070.07720.78
5.5.330.0070.07720.88
5.5.320.0070.07720.85
5.5.310.0070.08020.90
5.5.300.0070.05020.80
5.5.290.0170.07320.84
5.5.280.0070.03720.93
5.5.270.0070.05020.92
5.5.260.0030.05320.83
5.5.250.0070.07020.65
5.5.240.0130.07320.13
5.5.230.0100.07320.25
5.5.220.0130.04320.23
5.5.210.0200.05720.30
5.5.200.0200.06020.24
5.5.190.0100.07720.14
5.5.180.0200.06720.09
5.5.160.0070.04320.24
5.5.150.0170.05720.10
5.5.140.0070.05020.24
5.5.130.0030.06320.00
5.5.120.0200.07020.22
5.5.110.0030.06720.11
5.5.100.0030.07320.09
5.5.90.0100.07720.05
5.5.80.0030.07720.13
5.5.70.0100.07720.07
5.5.60.0070.04320.15
5.5.50.0000.08320.15
5.5.40.0000.06020.09
5.5.30.0070.04720.03
5.5.20.0070.06720.15
5.5.10.0130.07020.14
5.5.00.0070.05320.05
5.4.450.0070.07319.45
5.4.440.0000.09019.35
5.4.430.0000.04719.37
5.4.420.0030.04319.45
5.4.410.0030.07719.39
5.4.400.0000.09018.96
5.4.390.0070.08319.14
5.4.380.0030.05719.12
5.4.370.0100.06019.15
5.4.360.0030.06318.96
5.4.350.0070.07719.18
5.4.340.0030.07718.88
5.4.320.0130.05719.21
5.4.310.0070.07719.18
5.4.300.0070.07719.03
5.4.290.0070.07719.18
5.4.280.0170.05718.84
5.4.270.0030.07719.12
5.4.260.0100.07319.10
5.4.250.0100.07319.15
5.4.240.0030.04719.12
5.4.230.0030.08719.16
5.4.220.0030.05018.84
5.4.210.0130.07319.11
5.4.200.0070.04319.15
5.4.190.0100.03319.12
5.4.180.0000.08018.94
5.4.170.0100.07719.19
5.4.160.0130.06718.82
5.4.150.0070.07319.21
5.4.140.0130.07016.41
5.4.130.0030.07716.34
5.4.120.0130.06016.34
5.4.110.0070.07316.32
5.4.100.0070.05016.39
5.4.90.0000.07016.39
5.4.80.0100.04016.30
5.4.70.0030.05316.45
5.4.60.0070.03316.31
5.4.50.0030.04316.25
5.4.40.0100.04316.37
5.4.30.0030.03716.48
5.4.20.0100.03016.33
5.4.10.0030.05016.41
5.4.00.0100.05315.79
5.3.290.0030.06714.64
5.3.280.0030.08714.70
5.3.270.0030.07314.62
5.3.260.0030.07714.67
5.3.250.0030.04714.70
5.3.240.0030.06714.68
5.3.230.0100.07314.60
5.3.220.0000.08314.54
5.3.210.0030.05314.55
5.3.200.0100.07014.55
5.3.190.0030.04714.53
5.3.180.0100.06314.72
5.3.170.0030.07714.63
5.3.160.0030.03714.70
5.3.150.0070.03314.52
5.3.140.0030.04714.56
5.3.130.0000.05714.59
5.3.120.0030.03714.62
5.3.110.0030.04014.48
5.3.100.0030.03714.16
5.3.90.0000.04014.12
5.3.80.0070.03713.97
5.3.70.0170.05714.01
5.3.60.0000.04014.12
5.3.50.0030.03714.05
5.3.40.0070.05314.09
5.3.30.0070.03714.05
5.3.20.0030.05713.73
5.3.10.0130.03713.76
5.3.00.0030.03713.75
5.2.170.0070.02711.63
5.2.160.0070.02711.63
5.2.150.0000.04011.63
5.2.140.0000.05311.63
5.2.130.0000.03711.63
5.2.120.0030.04311.63
5.2.110.0070.02311.63
5.2.100.0000.03311.63
5.2.90.0030.03011.63
5.2.80.0070.03311.63
5.2.70.0070.03011.63
5.2.60.0030.02711.63
5.2.50.0030.03711.63
5.2.40.0030.02711.63
5.2.30.0000.03011.63
5.2.20.0000.03011.63
5.2.10.0030.02711.63
5.2.00.0030.02711.63
5.1.60.0000.02711.63
5.1.50.0030.02311.63
5.1.40.0030.02311.63
5.1.30.0030.02311.63
5.1.20.0000.02711.63
5.1.10.0030.02311.63
5.1.00.0030.02311.63
5.0.50.0000.02011.63
5.0.40.0000.02311.63
5.0.30.0000.03011.63
5.0.20.0000.01711.63
5.0.10.0000.02011.63
5.0.00.0000.03011.63
4.4.90.0000.01711.63
4.4.80.0100.01011.63
4.4.70.0000.01711.63
4.4.60.0000.02011.63
4.4.50.0000.01711.63
4.4.40.0030.02011.63
4.4.30.0000.01311.63
4.4.20.0000.01711.63
4.4.10.0000.01311.63
4.4.00.0030.02311.63
4.3.110.0030.02311.63
4.3.100.0000.01711.63
4.3.90.0000.01311.63
4.3.80.0000.02311.63
4.3.70.0000.01711.63
4.3.60.0000.01711.63
4.3.50.0000.01711.63
4.3.40.0000.02011.63
4.3.30.0000.01711.63
4.3.20.0000.01711.63
4.3.10.0000.01711.63
4.3.00.0000.01311.63

preferences:
40.12 ms | 401 KiB | 5 Q