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"; } ?>

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)
8.3.60.0130.00916.75
8.3.50.0150.00618.40
8.3.40.0120.00318.59
8.3.30.0040.01118.61
8.3.20.0080.00018.77
8.3.10.0000.00820.48
8.3.00.0040.00417.59
8.2.180.0170.00316.63
8.2.170.0070.00722.96
8.2.160.0070.00722.13
8.2.150.0060.00324.18
8.2.140.0080.00024.66
8.2.130.0000.00726.16
8.2.120.0040.00419.66
8.2.110.0000.00919.21
8.2.100.0110.00017.91
8.2.90.0030.00619.30
8.2.80.0000.00819.36
8.2.70.0050.00317.50
8.2.60.0050.00317.80
8.2.50.0000.00818.07
8.2.40.0000.00718.22
8.2.30.0040.00418.09
8.2.20.0080.00017.73
8.2.10.0070.00017.63
8.2.00.0030.00617.64
8.1.280.0140.00725.92
8.1.270.0040.00424.66
8.1.260.0070.00026.35
8.1.250.0080.00028.09
8.1.240.0070.00422.11
8.1.230.0110.00021.04
8.1.220.0080.00017.77
8.1.210.0030.00618.89
8.1.200.0000.00917.35
8.1.190.0050.00317.40
8.1.180.0000.00818.10
8.1.170.0000.00918.73
8.1.160.0000.00718.90
8.1.150.0000.00718.60
8.1.140.0040.00417.47
8.1.130.0030.00317.76
8.1.120.0070.00017.58
8.1.110.0000.00717.45
8.1.100.0040.00417.35
8.1.90.0040.00417.55
8.1.80.0000.00717.49
8.1.70.0030.00317.39
8.1.60.0030.00617.61
8.1.50.0040.00417.49
8.1.40.0000.00717.38
8.1.30.0040.00417.55
8.1.20.0030.00617.63
8.1.10.0020.00517.63
8.1.00.0000.00817.51
8.0.300.0080.00019.83
8.0.290.0050.00216.75
8.0.280.0000.00718.50
8.0.270.0070.00017.17
8.0.260.0000.00716.84
8.0.250.0040.00416.89
8.0.240.0050.00316.98
8.0.230.0000.00716.92
8.0.220.0000.00716.90
8.0.210.0070.00016.91
8.0.200.0050.00316.89
8.0.190.0040.00416.96
8.0.180.0040.00416.96
8.0.170.0060.00316.82
8.0.160.0040.00416.98
8.0.150.0040.00416.89
8.0.140.0040.00416.78
8.0.130.0030.00313.32
8.0.120.0070.00016.87
8.0.110.0070.00016.85
8.0.100.0040.00416.90
8.0.90.0000.00716.95
8.0.80.0070.01016.97
8.0.70.0000.00716.85
8.0.60.0000.00716.82
8.0.50.0000.00816.94
8.0.30.0060.01216.98
8.0.20.0180.00817.03
8.0.10.0040.00416.87
8.0.00.0080.00916.79
7.4.330.0060.00013.00
7.4.320.0040.00416.61
7.4.300.0040.00416.66
7.4.290.0060.00316.64
7.4.280.0080.00016.54
7.4.270.0030.00316.54
7.4.260.0050.00013.28
7.4.250.0080.00016.59
7.4.240.0000.00816.60
7.4.230.0070.00016.36
7.4.220.0070.01516.51
7.4.210.0080.00816.58
7.4.200.0000.00716.61
7.4.190.0000.00716.71
7.4.160.0100.00716.32
7.4.150.0170.00816.53
7.4.140.0160.00916.54
7.4.130.0090.00916.54
7.4.120.0130.00916.52
7.4.110.0150.00316.80
7.4.100.0100.00716.43
7.4.90.0130.00716.37
7.4.80.0090.00916.48
7.4.70.0060.01016.57
7.4.60.0100.00716.38
7.4.50.0030.00616.40
7.4.40.0040.01216.54
7.4.30.0060.01016.66
7.4.00.0040.01114.72
7.3.330.0060.00013.38
7.3.320.0030.00313.38
7.3.310.0030.00616.33
7.3.300.0000.00716.14
7.3.290.0110.00316.33
7.3.280.0090.00716.31
7.3.270.0100.01316.34
7.3.260.0130.00716.57
7.3.250.0100.00716.41
7.3.240.0100.00716.43
7.3.230.0060.01216.61
7.3.210.0170.00316.53
7.3.200.0110.01119.39
7.3.190.0120.00916.53
7.3.180.0060.00916.60
7.3.170.0120.00716.32
7.3.160.0000.01916.46
7.3.120.0000.01614.85
7.2.330.0100.00716.55
7.2.320.0110.00716.70
7.2.310.0120.00616.79
7.2.300.0100.00716.64
7.2.290.0090.00616.54
7.2.00.0100.00719.30
7.1.100.0180.00218.22
7.1.70.0030.00317.34
7.1.60.0070.00719.40
7.1.50.0040.01816.91
7.1.00.0030.05322.45
7.0.200.0740.00314.93
7.0.140.0030.07722.09
7.0.120.0030.06022.05
7.0.60.0030.04019.99
7.0.50.0070.08017.88
7.0.40.0070.05020.01
7.0.30.0300.07720.07
7.0.20.0130.08320.15
7.0.10.0070.05020.24
7.0.00.0030.04720.06
5.6.280.0130.06321.08
5.6.210.0130.06720.56
5.6.200.0070.04318.29
5.6.190.0130.08320.32
5.6.180.0300.06020.57
5.6.170.0270.04320.45
5.6.160.0200.04020.61
5.6.150.0070.04018.28
5.6.140.0070.04018.21
5.6.130.0130.07318.14
5.6.120.0000.07020.99
5.6.110.0170.06320.89
5.6.100.0170.08020.98
5.6.90.0070.07720.98
5.6.80.0230.06720.39
5.6.70.4370.04020.51
5.5.350.0230.09020.48
5.5.340.0100.06318.09
5.5.330.0030.09320.57
5.5.320.0170.04020.30
5.5.310.0270.07720.32
5.5.300.0130.07718.04
5.5.290.0130.04717.98
5.5.280.0030.04320.81
5.5.270.0130.06320.88
5.5.260.0100.06320.88
5.5.250.0030.04720.62
5.5.240.0100.08020.05
5.4.450.0030.05319.53
5.4.440.0130.07019.48
5.4.430.0100.05719.53
5.4.420.0030.06019.17
5.4.410.0130.05719.07
5.4.400.0100.07719.21
5.4.390.0030.08319.14
5.4.380.0030.04319.21
5.4.370.0030.03719.24
5.4.360.0130.07019.20
5.4.350.0070.04019.24
5.4.340.0070.03719.25
5.4.320.0130.06018.92
5.4.310.0030.08318.87
5.4.300.0030.05019.24
5.4.290.0100.03719.20
5.4.280.0100.07719.15
5.4.270.0070.04019.20
5.4.260.0070.03718.85
5.4.250.0070.03318.86
5.4.240.0070.08019.23
5.4.230.0030.08319.17
5.4.220.0100.07319.15
5.4.210.0130.05319.15
5.4.200.0000.05019.19
5.4.190.0070.06719.19
5.4.180.0070.07719.15
5.4.170.0130.02718.96
5.4.160.0070.06018.83
5.4.150.0130.05019.22
5.4.140.0000.04316.53
5.4.130.0000.07716.26
5.4.120.0030.07016.34
5.4.110.0170.06316.41
5.4.100.0100.04016.44
5.4.90.0100.07016.43
5.4.80.0030.05716.44
5.4.70.0030.04316.41
5.4.60.0100.03016.64
5.4.50.0100.07016.38
5.4.40.0070.07016.26
5.4.30.0000.08016.51
5.4.20.0100.06716.46
5.4.10.0070.04716.35
5.4.00.0030.07015.89
5.3.290.0000.04714.60
5.3.280.0170.05014.75
5.3.270.0030.04014.69
5.3.260.0000.08014.64
5.3.250.0070.07014.62
5.3.240.0100.07014.69
5.3.230.0030.07714.62
5.3.220.0070.04714.58
5.3.210.0100.07314.62
5.3.200.0000.06314.57
5.3.190.0070.07014.73
5.3.180.0100.07714.59
5.3.170.0070.04314.58
5.3.160.0070.04014.49
5.3.150.0070.07314.59
5.3.140.0130.06714.64
5.3.130.0070.06714.46
5.3.120.0100.07314.63
5.3.110.0030.06314.60
5.3.100.0030.04713.97
5.3.90.0200.04014.05
5.3.80.0030.04014.03
5.3.70.0100.06714.03
5.3.60.0130.05714.01
5.3.50.0100.04013.97
5.3.40.0000.04314.01
5.3.30.0030.04313.97
5.3.20.0100.07313.77
5.3.10.0070.07313.74
5.3.00.0070.04713.65
5.2.170.0030.05711.08
5.2.160.0000.06011.32
5.2.150.0000.05711.05
5.2.140.0000.04011.19
5.2.130.0130.02711.01
5.2.120.0070.05011.17
5.2.110.0100.05311.12
5.2.100.0030.07011.16
5.2.90.0030.06311.29
5.2.80.0070.06011.11
5.2.70.0030.06311.11
5.2.60.0070.05010.95
5.2.50.0100.02311.02
5.2.40.0070.03711.05
5.2.30.0100.03310.87
5.2.20.0070.03010.98
5.2.10.0030.05310.79
5.2.00.0100.04310.73
5.1.60.0030.0309.91
5.1.50.0000.03710.16
5.1.40.0000.0279.96
5.1.30.0200.03010.36
5.1.20.0030.05710.43
5.1.10.0000.03010.15
5.1.00.0100.05310.04
5.0.50.0000.0338.58
5.0.40.0030.0238.39
5.0.30.0030.0308.30
5.0.20.0070.0408.37
5.0.10.0030.0438.17
5.0.00.0000.0408.17
4.4.90.0000.0308.04
4.4.80.0000.0178.04
4.4.70.0000.0378.04
4.4.60.0000.0338.04
4.4.50.0000.0238.04
4.4.40.0000.0278.04
4.4.30.0030.0178.04
4.4.20.0030.0138.04
4.4.10.0030.0178.04
4.4.00.0000.0478.04
4.3.110.0000.0408.04
4.3.100.0030.0278.04
4.3.90.0000.0278.04
4.3.80.0030.0308.04
4.3.70.0100.0138.04
4.3.60.0000.0238.04
4.3.50.0000.0208.04
4.3.40.0030.0238.04
4.3.30.0030.0338.04
4.3.20.0000.0178.04
4.3.10.0000.0178.04
4.3.00.0000.0338.04

preferences:
40.48 ms | 401 KiB | 5 Q