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_dump($this->valid()); 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)
8.3.40.0370.01044.89
8.3.30.0450.01044.97
8.3.20.0110.01144.93
8.3.10.0160.00746.21
8.3.00.0200.00348.32
8.2.170.0230.02345.01
8.2.160.0310.01046.46
8.2.150.0090.01244.95
8.2.140.0130.01046.39
8.2.130.0100.00350.16
8.2.120.0070.00748.85
8.2.110.0250.00346.43
8.2.100.0220.01343.78
8.2.90.0130.00745.13
8.2.80.0170.00743.50
8.2.70.0100.01343.63
8.2.60.0180.00744.04
8.2.50.0100.01343.63
8.2.40.0130.01044.16
8.2.30.0130.00746.37
8.2.20.0130.00743.49
8.2.10.0130.00743.64
8.2.00.0210.00743.52
8.1.270.0200.00348.15
8.1.260.0170.01045.11
8.1.250.0250.00048.97
8.1.240.0220.00646.82
8.1.230.0220.01047.17
8.1.220.0210.00043.91
8.1.210.0210.00445.04
8.1.200.0100.01043.23
8.1.190.0130.00744.03
8.1.180.0120.00843.52
8.1.170.0120.00944.57
8.1.160.0130.01044.89
8.1.150.0120.01244.68
8.1.140.0100.01043.32
8.1.130.0130.00943.94
8.1.120.0100.01743.44
8.1.110.0210.00943.55
8.1.100.0150.00343.46
8.1.90.0090.00943.54
8.1.80.0110.00843.50
8.1.70.0140.00443.42
8.1.60.0140.01443.64
8.1.50.0100.01343.44
8.1.40.0160.01043.64
8.1.30.0160.00643.58
8.1.20.0110.01143.65
8.1.10.0210.01473.29
8.1.00.0410.01473.07
8.0.300.0360.00775.65
8.0.290.0250.00672.93
8.0.280.0220.01474.02
8.0.270.0330.01372.84
8.0.260.0160.01973.93
8.0.250.0160.01672.48
8.0.240.0280.01472.48
8.0.230.0260.00672.51
8.0.220.0260.01372.41
8.0.210.0130.02772.42
8.0.200.0270.01372.46
8.0.190.0260.01072.54
8.0.180.0160.01972.52
8.0.170.0290.01672.51
8.0.160.0250.01272.45
8.0.150.0170.02372.50
8.0.140.0210.02572.36
8.0.130.0340.024121.91
8.0.120.0240.01472.43
8.0.110.0260.01072.32
8.0.100.0220.01372.37
8.0.90.0170.02072.41
8.0.80.0350.04272.42
8.0.70.0210.02172.43
8.0.60.0100.02772.45
8.0.50.0200.02072.44
8.0.30.0570.03072.79
8.0.20.0590.03172.54
8.0.10.0260.01072.64
8.0.00.0570.03872.28
7.4.330.0150.00972.69
7.4.320.0280.01472.15
7.4.300.0240.00772.11
7.4.290.0240.01472.05
7.4.280.0070.02972.05
7.4.270.0190.01672.05
7.4.260.0540.023121.71
7.4.250.0190.01672.09
7.4.240.0100.02372.14
7.4.230.0170.01771.85
7.4.220.0880.04371.98
7.4.210.0490.02772.12
7.4.200.0350.00072.14
7.4.190.0170.01771.98
7.4.160.0510.04172.29
7.4.150.0550.03272.10
7.4.140.0610.03872.08
7.4.130.0690.03372.03
7.4.120.0510.03872.13
7.4.110.0740.01671.95
7.4.100.0640.03072.00
7.4.90.0650.05371.98
7.4.80.0640.02472.23
7.4.70.0430.04671.98
7.4.60.0830.04071.92
7.4.50.0200.02372.28
7.4.40.0290.02372.02
7.4.30.0580.02971.88
7.4.00.0300.02770.66
7.3.330.0520.007121.53
7.3.320.0590.020121.33
7.3.310.0240.01471.83
7.3.300.0280.01171.64
7.3.290.0590.04971.76
7.3.280.0630.03471.83
7.3.270.0580.02772.00
7.3.260.0650.03471.80
7.3.250.0600.03471.93
7.3.240.0560.03671.92
7.3.230.0590.02971.93
7.3.210.0550.03571.74
7.3.200.0780.02671.85
7.3.190.0730.02771.85
7.3.180.0690.02571.95
7.3.170.0650.02571.78
7.3.160.0600.02071.80
7.3.120.0230.03370.43
7.2.330.0540.03472.29
7.2.320.0750.03671.98
7.2.310.0820.04272.27
7.2.300.0560.03072.10
7.2.290.0580.03272.46
7.2.60.2180.02679.00
7.2.00.0990.01781.55
7.1.200.2370.01677.47
7.1.100.0540.00723.97
7.1.70.0160.01379.17
7.1.60.0230.04078.87
7.1.50.0360.02696.94
7.1.00.0030.05084.19
7.0.202.3240.02071.95
7.0.140.0130.08384.08
7.0.70.0030.07383.93
7.0.60.0170.08383.82
7.0.50.0170.09384.08
7.0.40.0170.06319.99
7.0.30.0200.09320.17
7.0.20.0130.10320.13
7.0.10.0030.07720.08
7.0.00.0170.05020.12
5.6.280.0170.11385.86
5.6.220.0330.10385.45
5.6.210.0270.11385.32
5.6.200.0330.10085.73
5.6.190.0200.11085.83
5.6.180.0300.10785.77
5.6.170.0330.10385.72
5.6.160.0370.05085.75
5.6.150.0200.12085.71
5.6.140.0400.11385.83
5.6.130.0270.11085.66
5.6.120.0430.11385.79
5.6.110.0330.11085.80
5.6.100.0370.11385.81
5.6.90.0200.08785.81
5.6.80.0300.11785.16
5.6.70.0300.11785.26
5.6.60.0400.09385.08
5.6.50.0330.11085.16
5.6.40.0130.07085.09
5.6.30.0330.11385.16
5.6.20.0330.11385.14
5.6.10.0330.11084.98
5.6.00.0130.09085.10
5.5.360.0400.10385.07
5.5.350.0300.11785.09
5.5.340.0330.10785.61
5.5.330.0230.06385.48
5.5.320.0200.07085.56
5.5.310.0200.07785.44
5.5.300.0270.08385.64
5.5.290.0230.09085.36
5.5.280.0130.10085.64
5.5.270.0330.11785.61
5.5.260.0330.11785.44
5.5.250.0370.08785.25
5.5.240.0300.11084.95
5.5.230.0270.12784.97
5.5.220.0200.06384.89
5.5.210.0300.06085.00
5.5.200.0200.09084.91
5.5.190.0370.10384.91
5.5.180.0270.11384.97
5.5.160.0270.07784.84
5.5.150.0330.05084.86
5.5.140.0270.05784.82
5.5.130.0230.06084.96
5.5.120.0330.05084.97
5.5.110.0170.06384.96
5.5.100.0370.04384.79
5.5.90.0170.06384.68
5.5.80.0270.09084.76
5.5.70.0200.06084.86
5.5.60.0170.07384.83
5.5.50.0270.05384.86
5.5.40.0230.08784.64
5.5.30.0200.06784.79
5.5.20.0130.06784.83
5.5.10.0200.06084.71
5.5.00.0230.06084.74
5.4.450.0270.12084.02
5.4.440.0270.11083.92
5.4.430.0430.07083.82
5.4.420.0170.12783.96
5.4.410.0300.10383.87
5.4.400.0200.09783.68
5.4.390.0370.09383.67
5.4.380.0270.11083.65
5.4.370.0330.05383.77
5.4.360.0200.10783.83
5.4.350.0330.11383.72
5.4.340.0300.11083.67
5.4.320.0270.11083.66
5.4.310.0330.05083.52
5.4.300.0300.05083.74
5.4.290.0270.06083.77
5.4.280.0170.06783.74
5.4.270.0170.06383.76
5.4.260.0100.05783.70
5.4.250.0370.04783.82
5.4.240.0130.12383.64
5.4.230.0200.05083.67
5.4.220.0200.07083.66
5.4.210.0170.12083.68
5.4.200.0230.07083.86
5.4.190.0170.12783.85
5.4.180.0230.06083.69
5.4.170.0230.06083.72
5.4.160.0070.07383.70
5.4.150.0230.08083.52
5.4.140.0230.06081.19
5.4.130.0130.05381.09
5.4.120.0200.05781.09
5.4.110.0270.05081.16
5.4.100.0170.08080.98
5.4.90.0100.12780.94
5.4.80.0200.05780.95
5.4.70.0230.05381.18
5.4.60.0200.05780.95
5.4.50.0300.05081.16
5.4.40.0100.06381.00
5.4.30.0200.05780.95
5.4.20.0100.12381.11
5.4.10.0230.10380.95
5.4.00.0130.07380.59
5.3.290.0200.13078.64
5.3.280.0170.06078.61
5.3.270.0200.07778.64
5.3.260.0270.10078.77
5.3.250.0130.07778.70
5.3.240.0230.06378.78
5.3.230.0230.07078.60
5.3.220.0170.08378.61
5.3.210.0270.07078.61
5.3.200.0200.09778.52
5.3.190.0130.06778.68
5.3.180.0100.08778.74
5.3.170.0130.06778.73
5.3.160.0170.06378.57
5.3.150.0170.08378.53
5.3.140.0100.08378.63
5.3.130.0300.06778.55
5.3.120.0300.13078.70
5.3.110.0270.08778.72
5.3.100.0200.13078.11
5.3.90.0170.08778.13
5.3.80.0070.08377.96
5.3.70.0100.11077.97
5.3.60.0230.07378.10
5.3.50.0230.11778.04
5.3.40.0400.10777.98
5.3.30.0330.12077.90
5.3.20.0400.12377.73
5.3.10.0330.12777.72
5.3.00.0200.13377.65
5.2.170.0070.03323.02
5.2.160.0030.06022.97
5.2.150.0070.07322.89
5.2.140.0070.04323.04
5.2.130.0100.05322.88
5.2.120.0100.06723.00
5.2.110.0170.06323.00
5.2.100.0070.06022.86
5.2.90.0130.06323.05
5.2.80.0100.07022.92
5.2.70.0130.07022.95
5.2.60.0130.06322.80
5.2.50.0030.07723.22
5.2.40.0130.05723.16
5.2.30.0100.05023.05
5.2.20.0100.06723.04
5.2.10.0070.07323.42
5.2.00.0100.03722.78
5.1.60.0100.05323.14
5.1.50.0100.06323.07
5.1.40.0070.07023.11
5.1.30.0070.07023.38
5.1.20.0030.05323.55
5.1.10.0130.06023.23
5.1.00.0200.05323.18
5.0.50.0100.04722.42
5.0.40.0030.06022.15
5.0.30.0130.05722.14
5.0.20.0170.04022.06
5.0.10.0030.04322.08
5.0.00.0100.08738.06
4.4.90.0030.03012.25
4.4.80.0070.03012.25
4.4.70.0070.03312.25
4.4.60.0000.03012.25
4.4.50.0000.03312.25
4.4.40.0030.03712.25
4.4.30.0070.03012.25
4.4.20.0030.01712.25
4.4.10.0000.01712.25
4.4.00.0000.02312.25
4.3.110.0000.03712.25
4.3.100.0070.02012.25
4.3.90.0000.03312.25
4.3.80.0000.05012.25
4.3.70.0000.03012.25
4.3.60.0030.02712.25
4.3.50.0000.03712.25
4.3.40.0030.03312.25
4.3.30.0000.01712.25
4.3.20.0000.04012.25
4.3.10.0030.02312.25
4.3.00.0000.03712.25

preferences:
33.73 ms | 400 KiB | 5 Q