3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Derp implements Iterator { protected $index; protected $array; public function __construct(array $input) { $this->array = $input; } public function current() { return $this->array[$this->index]; } public function next() { $this->index += 1; } public function key() { return $this->index; } public function valid() { return isset($this->array[$this->index]); } public function rewind() { $this->index = 0; } } $d = new Derp(range(1,100)); echo is_array($d) ? 'It\'s an array!' : 'Not an array'; foreach($d as $key => $value) { echo "\n$key => $value"; }

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)
8.3.60.0030.01316.88
8.3.50.0160.00717.57
8.3.40.0120.00318.96
8.3.30.0000.01518.79
8.3.20.0050.00318.78
8.3.10.0000.00818.73
8.3.00.0040.00419.38
8.2.180.0060.00916.63
8.2.170.0070.00722.96
8.2.160.0110.00421.06
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0080.00020.86
8.2.110.0080.00322.25
8.2.100.0090.00318.03
8.2.90.0060.00318.03
8.2.80.0080.00017.75
8.2.70.0100.00017.63
8.2.60.0100.00018.05
8.2.50.0040.00418.07
8.2.40.0030.00519.48
8.2.30.0080.00017.86
8.2.20.0070.00317.61
8.2.10.0030.00617.74
8.2.00.0080.00017.81
8.1.270.0080.00023.99
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0090.00022.59
8.1.230.0090.00320.88
8.1.220.0000.00917.79
8.1.210.0090.00018.91
8.1.200.0030.00617.35
8.1.190.0040.00417.48
8.1.180.0000.00818.10
8.1.170.0040.00417.62
8.1.160.0000.00718.81
8.1.150.0000.00718.69
8.1.140.0000.00817.48
8.1.130.0030.00317.84
8.1.120.0040.00417.48
8.1.110.0080.00017.34
8.1.100.0000.00717.38
8.1.90.0000.00717.46
8.1.80.0040.00417.51
8.1.70.0030.00317.45
8.1.60.0000.00917.66
8.1.50.0000.00817.34
8.1.40.0030.00517.54
8.1.30.0040.00417.66
8.1.20.0000.00817.70
8.1.10.0040.00417.55
8.1.00.0020.00517.58
8.0.300.0030.00619.89
8.0.290.0000.00816.63
8.0.280.0030.00618.07
8.0.270.0000.01018.04
8.0.260.0040.00416.71
8.0.250.0000.00716.95
8.0.240.0000.00716.97
8.0.230.0000.00816.97
8.0.220.0030.00316.96
8.0.210.0080.00016.82
8.0.200.0040.00416.93
8.0.190.0040.00416.86
8.0.180.0000.00716.82
8.0.170.0030.00616.85
8.0.160.0000.00716.88
8.0.150.0030.00616.75
8.0.140.0040.00416.87
8.0.130.0030.00313.33
8.0.120.0050.00216.87
8.0.110.0070.00016.86
8.0.100.0000.00816.89
8.0.90.0000.00816.80
8.0.80.0030.01316.97
8.0.70.0050.00216.69
8.0.60.0050.00216.78
8.0.50.0000.00817.02
8.0.30.0070.01416.82
8.0.20.0130.00716.93
8.0.10.0080.00016.92
8.0.00.0100.01116.85
7.4.330.0000.00513.00
7.4.320.0070.00016.59
7.4.300.0070.00016.53
7.4.290.0030.00616.54
7.4.280.0040.00416.62
7.4.270.0000.00716.61
7.4.260.0050.00013.19
7.4.250.0000.00816.63
7.4.240.0020.00516.62
7.4.230.0030.00316.66
7.4.220.0100.01316.64
7.4.210.0060.01116.54
7.4.200.0000.00716.63
7.4.190.0040.00416.75
7.4.160.0130.01016.41
7.4.150.0090.00916.56
7.4.140.0140.00616.48
7.4.130.0050.01116.42
7.4.120.0120.00616.53
7.4.110.0130.00516.42
7.4.100.0220.00016.52
7.4.90.0150.00616.55
7.4.80.0070.01119.39
7.4.70.0120.00616.61
7.4.60.0130.00316.33
7.4.50.0040.00916.57
7.4.40.0110.00716.55
7.4.30.0190.00316.57
7.4.00.0040.01114.98
7.3.330.0000.00713.35
7.3.320.0030.00313.14
7.3.310.0070.00016.23
7.3.300.0000.00716.41
7.3.290.0120.00916.38
7.3.280.0090.00816.32
7.3.270.0080.00916.54
7.3.260.0140.01816.32
7.3.250.0100.00816.33
7.3.240.0110.00716.38
7.3.230.0100.00716.62
7.3.210.0000.01716.70
7.3.200.0130.00616.61
7.3.190.0170.00616.61
7.3.180.0100.00616.24
7.3.170.0080.00816.34
7.3.160.0120.00316.32
7.3.120.0030.00914.99
7.2.330.0270.00316.60
7.2.320.0200.00316.77
7.2.310.0070.01116.43
7.2.300.0090.00916.39
7.2.290.0120.00616.85
7.2.60.0070.01017.13
7.2.00.0040.01419.53
7.1.200.0050.00515.57
7.1.100.0090.00317.75
7.1.70.0000.00717.18
7.1.60.0120.01219.40
7.1.50.0080.00516.79
7.1.00.0030.07022.46
7.0.200.0050.00316.78
7.0.140.0030.07722.00
7.0.120.0030.03022.06
7.0.60.0000.07320.04
7.0.50.0100.07317.96
7.0.40.0100.05017.86
7.0.30.0130.07717.69
7.0.20.0070.05317.84
7.0.10.0070.08017.75
7.0.00.0030.08017.78
5.6.280.0070.08721.00
5.6.210.0070.07020.47
5.6.200.0100.08318.13
5.6.190.0100.03718.12
5.6.180.0030.05718.23
5.6.170.0070.08718.23
5.6.160.0030.08718.14
5.6.150.0070.04718.19
5.6.140.0030.07018.11
5.6.130.0070.06718.11
5.6.120.0030.05018.12
5.6.110.0130.07718.17
5.6.100.0170.07018.14
5.6.90.0030.08318.15
5.6.80.0070.05317.57
5.6.70.0130.07017.66
5.6.60.0170.05717.61
5.6.50.0070.04317.66
5.6.40.0000.06017.59
5.6.30.0100.07317.60
5.6.20.0030.04317.64
5.6.10.0130.05017.52
5.6.00.0070.06017.53
5.5.350.0330.07020.54
5.5.340.0130.07317.98
5.5.330.0130.07317.92
5.5.320.0000.04718.02
5.5.310.0070.08017.93
5.5.300.0070.08017.96
5.5.290.0100.04017.97
5.5.280.0130.07717.97
5.5.270.0170.07317.95
5.5.260.0070.08018.03
5.5.250.0070.08317.82
5.5.240.0030.07317.38
5.5.230.0000.05717.34
5.5.220.0030.08017.36
5.5.210.0100.07317.46
5.5.200.0100.07717.44
5.5.190.0070.07717.43
5.5.180.0100.07017.39
5.5.160.0130.07017.28
5.5.150.0200.05717.30
5.5.140.0100.07717.38
5.5.130.0100.04017.42
5.5.120.0130.07317.30
5.5.110.0070.07017.35
5.5.100.0070.06717.29
5.5.90.0070.08017.20
5.5.80.0100.06317.29
5.5.70.0070.06317.32
5.5.60.0000.05017.18
5.5.50.0070.08017.23
5.5.40.0100.07317.21
5.5.30.0070.04717.32
5.5.20.0070.04717.25
5.5.10.0130.05717.19
5.5.00.0000.04717.16
5.4.450.0030.07719.22
5.4.440.0130.04719.36
5.4.430.0100.06319.37
5.4.420.0130.07019.45
5.4.410.0100.04319.20
5.4.400.0170.03719.04
5.4.390.0130.06718.95
5.4.380.0030.05019.01
5.4.370.0030.05319.12
5.4.360.0000.04719.10
5.4.350.0070.08019.05
5.4.340.0070.07319.01
5.4.320.0170.06019.05
5.4.310.0100.07319.13
5.4.300.0070.06319.09
5.4.290.0030.07719.05
5.4.280.0130.06319.11
5.4.270.0070.07719.13
5.4.260.0030.07019.04
5.4.250.0030.04718.95
5.4.240.0070.06019.13
5.4.230.0100.06019.04
5.4.220.0070.07718.98
5.4.210.0100.04719.00
5.4.200.0130.05719.26
5.4.190.0130.07019.11
5.4.180.0100.04319.09
5.4.170.0030.05719.09
5.4.160.0100.03318.95
5.4.150.0030.04019.00
5.4.140.0200.03316.42
5.4.130.0030.06016.38
5.4.120.0100.04316.55
5.4.110.0100.07316.42
5.4.100.0030.07716.40
5.4.90.0070.07316.38
5.4.80.0170.07016.23
5.4.70.0100.07016.30
5.4.60.0100.05716.39
5.4.50.0070.04316.30
5.4.40.0070.03316.48
5.4.30.0000.04016.39
5.4.20.0000.05016.52
5.4.10.0130.03316.36
5.4.00.0100.07015.84
5.3.290.0070.08014.71
5.3.280.0200.05014.46
5.3.270.0070.07714.58
5.3.260.0130.06314.64
5.3.250.0070.03714.66
5.3.240.0030.08714.58
5.3.230.0030.07714.65
5.3.220.0000.06014.62
5.3.210.0100.04314.57
5.3.200.0000.07014.61
5.3.190.0100.08014.68
5.3.180.0100.06014.62
5.3.170.0100.04314.42
5.3.160.0030.04314.63
5.3.150.0070.04714.53
5.3.140.0030.04314.61
5.3.130.0100.03314.60
5.3.120.0030.05014.61
5.3.110.0070.03714.54
5.3.100.0100.07314.10
5.3.90.0030.08014.01
5.3.80.0130.06714.05
5.3.70.0070.04013.92
5.3.60.0000.04014.01
5.3.50.0070.03313.98
5.3.40.0070.03714.17
5.3.30.0070.03313.82
5.3.20.0000.04713.60
5.3.10.0000.05313.66
5.3.00.0100.07013.70
5.2.170.0070.02711.21
5.2.160.0000.04011.00
5.2.150.0000.03311.19
5.2.140.0030.03011.20
5.2.130.0070.02711.17
5.2.120.0070.02711.15
5.2.110.0030.03711.14
5.2.100.0030.05311.10
5.2.90.0000.04311.01
5.2.80.0070.03011.10
5.2.70.0030.03011.31
5.2.60.0100.05711.03
5.2.50.0100.05310.93
5.2.40.0030.05311.09
5.2.30.0070.03711.19
5.2.20.0100.05711.01
5.2.10.0100.05710.90
5.2.00.0070.03310.79
5.1.60.0030.04010.00
5.1.50.0030.0579.93
5.1.40.0000.05710.03
5.1.30.0000.06010.35
5.1.20.0000.06310.33
5.1.10.0100.04710.00
5.1.00.0100.05310.07
5.0.50.0030.0478.59
5.0.40.0070.0208.37
5.0.30.0000.0508.29
5.0.20.0070.0338.16
5.0.10.0030.0308.21
5.0.00.0030.0678.23
4.4.90.0030.0337.83
4.4.80.0030.0337.83
4.4.70.0070.0307.83
4.4.60.0000.0377.83
4.4.50.0030.0377.83
4.4.40.0030.0407.83
4.4.30.0070.0237.83
4.4.20.0000.0307.83
4.4.10.0000.0377.83
4.4.00.0000.0507.83
4.3.110.0030.0307.83
4.3.100.0030.0337.83
4.3.90.0000.0337.83
4.3.80.0000.0577.83
4.3.70.0070.0237.83
4.3.60.0130.0277.83
4.3.50.0000.0337.83
4.3.40.0070.0507.83
4.3.30.0000.0407.83
4.3.20.0000.0377.83
4.3.10.0000.0207.83
4.3.00.0000.0277.83

preferences:
64.35 ms | 400 KiB | 5 Q