3v4l.org

run code in 300+ PHP versions simultaneously
<?php class It implements Iterator { private $arr = [1,2,3]; public function key() { echo __METHOD__ . "\n"; return key($this->arr); } public function current() { echo __METHOD__ . "\n"; return current($this->arr); } public function rewind() { echo __METHOD__ . "\n"; reset($this->arr); } public function next() { echo __METHOD__ . "\n"; next($this->arr); } public function valid() { echo __METHOD__ . "\n"; return key($this->arr) === null; } } $it = new It; foreach ($it as $k => $v) {}

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)
8.3.60.0130.00718.55
8.3.50.0110.00522.01
8.3.40.0070.01118.73
8.3.30.0180.00319.06
8.3.20.0070.00020.38
8.3.10.0030.00621.91
8.3.00.0050.00222.45
8.2.180.0070.01516.75
8.2.170.0070.00722.96
8.2.160.0150.00419.08
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0040.00426.16
8.2.120.0070.00019.64
8.2.110.0100.00022.25
8.2.100.0040.00717.91
8.2.90.0040.00419.28
8.2.80.0050.00319.63
8.2.70.0040.00417.25
8.2.60.0040.00417.92
8.2.50.0000.00818.07
8.2.40.0080.00018.16
8.2.30.0040.00417.98
8.2.20.0040.00417.72
8.2.10.0000.00919.46
8.2.00.0000.00817.77
8.1.280.0070.01125.92
8.1.270.0050.00323.95
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0040.00424.02
8.1.230.0090.00318.79
8.1.220.0060.00317.74
8.1.210.0040.00418.77
8.1.200.0060.00317.35
8.1.190.0000.00817.53
8.1.180.0090.00018.10
8.1.170.0060.00318.55
8.1.160.0090.00022.07
8.1.150.0000.00818.63
8.1.140.0000.00817.37
8.1.130.0030.00317.46
8.1.120.0000.00717.45
8.1.110.0070.00017.50
8.1.100.0040.00417.50
8.1.90.0040.00417.37
8.1.80.0000.00817.40
8.1.70.0000.00717.40
8.1.60.0060.00317.56
8.1.50.0080.00017.49
8.1.40.0020.00517.45
8.1.30.0000.00817.69
8.1.20.0000.00817.70
8.1.10.0040.00417.50
8.1.00.0030.00517.37
8.0.300.0000.00818.77
8.0.290.0000.00717.18
8.0.280.0000.00718.45
8.0.270.0030.00317.30
8.0.260.0040.00416.73
8.0.250.0030.00316.84
8.0.240.0040.00416.85
8.0.230.0030.00316.90
8.0.220.0000.00716.87
8.0.210.0000.00716.89
8.0.200.0060.00016.87
8.0.190.0000.00816.86
8.0.180.0050.00316.90
8.0.170.0040.00416.98
8.0.160.0040.00416.90
8.0.150.0000.00816.67
8.0.140.0030.00616.86
8.0.130.0050.00013.28
8.0.120.0040.00416.82
8.0.110.0050.00216.89
8.0.100.0030.00416.77
8.0.90.0000.00716.77
8.0.80.0080.00816.96
8.0.70.0040.00416.72
8.0.60.0030.00316.81
8.0.50.0050.00316.91
8.0.30.0120.01017.08
8.0.20.0090.00917.43
8.0.10.0040.00416.99
8.0.00.0150.00316.76
7.4.330.0050.00015.00
7.4.320.0030.00316.46
7.4.300.0040.00416.59
7.4.290.0040.00416.57
7.4.280.0030.00316.44
7.4.270.0030.00316.57
7.4.260.0030.00416.64
7.4.250.0000.00716.50
7.4.240.0030.00416.53
7.4.230.0040.00416.52
7.4.220.0140.00316.72
7.4.210.0060.01016.55
7.4.200.0000.00716.32
7.4.190.0030.00316.43
7.4.160.0070.00716.56
7.4.150.0100.00717.40
7.4.140.0080.00817.86
7.4.130.0100.00916.46
7.4.120.0090.01116.39
7.4.110.0030.01416.31
7.4.100.0040.01316.48
7.4.90.0130.00316.62
7.4.80.0170.00319.39
7.4.70.0070.01016.60
7.4.60.0090.01216.48
7.4.50.0040.00416.41
7.4.40.0060.01022.77
7.4.30.0040.01416.68
7.4.10.0080.00814.91
7.4.00.0090.00814.81
7.3.330.0030.00313.17
7.3.320.0030.00313.22
7.3.310.0040.00416.31
7.3.300.0000.00616.35
7.3.290.0100.00616.37
7.3.280.0150.00316.28
7.3.270.0120.00417.40
7.3.260.0070.01016.35
7.3.250.0090.00816.30
7.3.240.0070.01016.36
7.3.230.0160.00016.39
7.3.210.0090.00916.61
7.3.200.0170.00019.39
7.3.190.0100.00516.57
7.3.180.0000.01516.41
7.3.170.0150.00716.34
7.3.160.0060.00916.39
7.3.130.0050.01114.97
7.3.120.0050.00914.77
7.3.110.0080.00914.66
7.3.100.0090.00514.80
7.3.90.0050.00714.91
7.3.80.0050.00614.84
7.3.70.0070.00714.55
7.3.60.0070.00714.71
7.3.50.0070.00514.77
7.3.40.0050.00914.69
7.3.30.0050.00914.68
7.3.20.0080.00816.57
7.3.10.0050.01016.64
7.3.00.0040.00916.63
7.2.330.0090.00916.75
7.2.320.0180.00016.68
7.2.310.0170.00016.75
7.2.300.0130.00416.59
7.2.290.0120.00616.43
7.2.260.0100.00815.13
7.2.250.0070.00915.20
7.2.240.0100.00515.00
7.2.230.0000.01514.98
7.2.220.0060.00915.06
7.2.210.0050.00815.13
7.2.200.0100.00215.01
7.2.190.0060.00815.06
7.2.180.0060.00814.94
7.2.170.0060.00714.90
7.2.160.0100.00714.96
7.2.150.0050.01116.84
7.2.140.0080.00816.90
7.2.130.0080.00716.91
7.2.120.0090.00717.00
7.2.110.0060.01116.89
7.2.100.0040.00916.85
7.2.90.0060.00916.82
7.2.80.0050.01016.88
7.2.70.0060.00716.96
7.2.60.0040.00516.83
7.2.50.0030.01216.59
7.2.40.0050.00817.05
7.2.30.0040.01116.75
7.2.20.0050.00816.88
7.2.10.0060.00516.83
7.2.00.0040.01116.84
7.1.330.0040.00915.87
7.1.320.0020.01015.80
7.1.310.0070.00815.78
7.1.300.0070.00815.68
7.1.290.0050.01115.88
7.1.280.0080.00515.81
7.1.270.0020.01015.79
7.1.260.0050.01115.81
7.1.250.0050.01115.84
7.1.240.0050.00915.60
7.1.230.0110.00515.82
7.1.220.0020.00815.66
7.1.210.0050.00915.72
7.1.200.0050.00815.81
7.1.190.0040.00815.72
7.1.180.0040.01115.53
7.1.170.0050.00915.66
7.1.160.0050.00615.69
7.1.150.0070.00615.82
7.1.140.0040.00915.58
7.1.130.0060.00715.67
7.1.120.0040.00915.71
7.1.110.0050.00815.69
7.1.100.0060.00715.81
7.1.90.0020.01015.73
7.1.80.0090.00415.84
7.1.70.0060.00616.13
7.1.60.0070.00916.78
7.1.50.0040.01015.95
7.1.40.0060.00815.64
7.1.30.0060.00715.59
7.1.20.0030.01115.70
7.1.10.0090.00415.56
7.1.00.0040.02617.38
7.0.330.0040.00915.34
7.0.320.0030.00715.24
7.0.310.0040.00715.26
7.0.300.0090.00515.54
7.0.290.0050.00615.34
7.0.280.0050.00915.46
7.0.270.0020.00915.36
7.0.260.0060.00615.47
7.0.250.0060.00615.37
7.0.240.0070.00815.38
7.0.230.0040.00715.44
7.0.220.0060.00715.32
7.0.210.0030.01115.49
7.0.200.0060.00615.70
7.0.190.0050.00915.42
7.0.180.0070.00515.15
7.0.170.0060.00915.47
7.0.160.0080.00415.39
7.0.150.0030.00715.40
7.0.140.0030.02517.01
7.0.130.0060.00315.24
7.0.120.0080.00515.34
7.0.110.0040.00615.28
7.0.100.0040.00715.35
7.0.90.0050.00715.29
7.0.80.0080.00415.37
7.0.70.0050.00615.34
7.0.60.0050.02916.47
7.0.50.0050.03015.99
7.0.40.0050.02315.18
7.0.30.0070.01715.17
7.0.20.0110.02415.09
7.0.10.0020.02315.15
7.0.00.0060.02015.21
5.6.400.0030.01014.44
5.6.390.0050.01014.09
5.6.380.0030.01014.34
5.6.370.0050.00914.46
5.6.360.0070.00514.38
5.6.350.0040.00914.29
5.6.340.0020.00714.28
5.6.330.0030.01114.32
5.6.320.0080.00714.46
5.6.310.0050.00814.42
5.6.300.0030.00814.38
5.6.290.0060.01014.27
5.6.280.0060.02215.84
5.6.270.0050.00814.17
5.6.260.0040.00914.26
5.6.250.0070.00614.33
5.6.240.0070.00514.28
5.6.230.0050.00714.39
5.6.220.0080.00514.24
5.6.210.0090.01915.81
5.6.200.0070.02115.14
5.6.190.0040.02115.87
5.6.180.0780.01716.00
5.6.170.0090.01915.87
5.6.160.0030.01715.87
5.6.150.0050.02715.15
5.6.140.0080.02415.23
5.6.130.0060.02715.23
5.6.120.0070.02016.12
5.6.110.0110.02115.91
5.6.100.0080.02315.84
5.6.90.0070.02515.88
5.6.80.0070.01915.77
5.6.70.1200.01115.85
5.6.60.0040.00714.26
5.6.50.0020.01014.29
5.6.40.0050.00714.17
5.6.30.0050.00814.28
5.6.20.0070.00514.35
5.6.10.0060.00814.40
5.6.00.0050.01014.05
5.5.380.0050.00613.36
5.5.370.0030.01013.16
5.5.360.0040.00713.48
5.5.350.0110.01214.96
5.5.340.0030.01514.48
5.5.330.0060.01414.96
5.5.320.0810.01215.04
5.5.310.0110.02515.05
5.5.300.0020.02114.41
5.5.290.0040.02714.49
5.5.280.0080.02215.13
5.5.270.0060.02314.96
5.5.260.0040.02715.01
5.5.250.0060.02615.15
5.5.240.0110.02014.89
5.5.230.0040.00413.17
5.5.220.0070.00513.12
5.5.210.0030.00513.25
5.5.200.0030.00713.17
5.5.190.0060.00813.17
5.5.180.0010.01113.16
5.5.170.0050.00613.05
5.5.160.0010.01113.15
5.5.150.0070.00713.12
5.5.140.0060.00513.15
5.5.130.0050.00713.18
5.5.120.0040.00913.31
5.5.110.0040.00813.10
5.5.100.0050.00613.01
5.5.90.0020.00913.02
5.5.80.0060.00613.24
5.5.70.0010.00913.18
5.5.60.0060.00513.19
5.5.50.0010.01113.13
5.5.40.0080.00513.08
5.5.30.0030.00813.16
5.5.20.0060.00613.06
5.5.10.0020.00913.21
5.5.00.0020.00813.06
5.4.450.0240.02114.23
5.4.440.0150.02114.18
5.4.430.0050.02014.19
5.4.420.0060.01814.22
5.4.410.0060.02314.14
5.4.400.0070.01613.95
5.4.390.0050.01714.01
5.4.380.0090.01814.01
5.4.370.0070.01813.98
5.4.360.0080.01513.95
5.4.350.0100.01513.94
5.4.340.0070.01814.01
5.4.330.0020.01012.43
5.4.320.0070.01012.45
5.4.310.0060.01212.44
5.4.300.0060.01412.50
5.4.290.0050.01212.44
5.4.280.0040.01212.41
5.4.270.0050.02114.03
5.4.260.0100.02014.03
5.4.250.0050.02414.08
5.4.240.0090.01514.07
5.4.230.0070.02214.08
5.4.220.0050.01914.01
5.4.210.0060.02114.01
5.4.200.0060.02014.07
5.4.190.0030.02114.07
5.4.180.0070.01614.04
5.4.170.0040.02514.10
5.4.160.0080.02214.04
5.4.150.0060.01814.02
5.4.140.0060.02213.41
5.4.130.0030.02213.44
5.4.120.0040.01613.53
5.4.110.0100.01613.46
5.4.100.0030.02313.47
5.4.90.0040.01813.40
5.4.80.0060.01813.46
5.4.70.0070.01713.47
5.4.60.0080.02113.43
5.4.50.0060.01513.45
5.4.40.0040.02313.48
5.4.30.0040.02213.43
5.4.20.0030.01913.41
5.4.10.0050.02113.45
5.4.00.0060.02213.34
5.3.290.0040.01312.51
5.3.280.0040.02012.99
5.3.270.0050.02112.99
5.3.260.0040.01913.03
5.3.250.0050.02012.97
5.3.240.0050.01712.97
5.3.230.0070.01913.02
5.3.220.0060.02112.92
5.3.210.0060.01613.02
5.3.200.0070.01513.03
5.3.190.0060.01813.01
5.3.180.0060.01513.02
5.3.170.0020.02413.00
5.3.160.0040.02212.95
5.3.150.0060.02113.02
5.3.140.0050.01512.96
5.3.130.0040.02013.02
5.3.120.0060.02212.99
5.3.110.0040.02413.02
5.3.100.0060.02112.82
5.3.90.0020.01912.89
5.3.80.0040.02212.78
5.3.70.0050.01912.86
5.3.60.0060.01912.82
5.3.50.0060.01712.87
5.3.40.0040.01812.81
5.3.30.0070.02012.85
5.3.20.0030.01812.80
5.3.10.0070.01712.75
5.3.00.0070.02012.77
5.2.170.0060.02011.16
5.2.160.0070.02311.20
5.2.150.0020.03311.22
5.2.140.0150.01811.17
5.2.130.0030.03211.18
5.2.120.0030.03511.13
5.2.110.0050.03011.11
5.2.100.0000.02911.18
5.2.90.0010.03511.13
5.2.80.0070.03110.98
5.2.70.0070.03111.05
5.2.60.0080.03111.12
5.2.50.0100.02711.11
5.2.40.0070.02211.14
5.2.30.0030.02611.01
5.2.20.0070.02811.11
5.2.10.0030.02711.07
5.2.00.0060.02010.99
5.1.60.0050.02010.59
5.1.50.0080.01710.54
5.1.40.0050.02610.57
5.1.30.0060.02710.80
5.1.20.0030.03010.78
5.1.10.0070.02410.48
5.1.00.0050.01810.47
5.0.50.0040.0209.97
5.0.40.0100.0149.97
5.0.30.0020.0289.97
5.0.20.0020.0199.97
5.0.10.0050.0179.97
5.0.00.0060.0289.97
4.4.90.0030.0179.97
4.4.80.0040.0129.97
4.4.70.0030.0139.97
4.4.60.0000.0169.97
4.4.50.0020.0159.97
4.4.40.0020.0209.97
4.4.30.0030.0109.97
4.4.20.0050.0129.97
4.4.10.0070.0109.97
4.4.00.0030.0209.97
4.3.110.0030.0169.97
4.3.100.0020.0179.97
4.3.90.0040.0119.97
4.3.80.0030.0189.97
4.3.70.0050.0139.97
4.3.60.0020.0139.97
4.3.50.0040.0169.97
4.3.40.0050.0229.97
4.3.30.0050.0129.97
4.3.20.0030.0189.97
4.3.10.0000.0179.97
4.3.00.0060.0159.62

preferences:
54.66 ms | 400 KiB | 5 Q