3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = new ArrayObject(array(1, 2)); $it = new ArrayIterator($array); while ($it->valid()) { echo $it->current(); $prev = clone $it; $it->next(); } $array[] = 3; $it = $previous; $prev->next(); echo $it->valid() ? $it->current : "not 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)
8.3.60.0180.00318.55
8.3.50.0150.00321.99
8.3.40.0120.00318.68
8.3.30.0130.00719.23
8.3.20.0040.00420.29
8.3.10.0040.00423.59
8.3.00.0030.00519.38
8.2.180.0070.01116.63
8.2.170.0110.00422.96
8.2.160.0130.00020.39
8.2.150.0050.00324.18
8.2.140.0050.00524.66
8.2.130.0040.00426.16
8.2.120.0070.00320.39
8.2.110.0040.00422.26
8.2.100.0080.00319.57
8.2.90.0020.00519.30
8.2.80.0060.00317.97
8.2.70.0090.00017.63
8.2.60.0000.00718.04
8.2.50.0080.00018.07
8.2.40.0060.00320.01
8.2.30.0000.00718.22
8.2.20.0000.00817.88
8.2.10.0030.00618.11
8.2.00.0050.00217.73
8.1.280.0110.00425.92
8.1.270.0060.00323.93
8.1.260.0050.00326.35
8.1.250.0080.00328.09
8.1.240.0000.01024.02
8.1.230.0110.00019.15
8.1.220.0050.00317.79
8.1.210.0000.00818.77
8.1.200.0030.00617.35
8.1.190.0080.00017.35
8.1.180.0040.00418.89
8.1.170.0080.00018.42
8.1.160.0040.00421.97
8.1.150.0040.00418.49
8.1.140.0000.00717.25
8.1.130.0000.00717.70
8.1.120.0040.00417.41
8.1.110.0040.00417.40
8.1.100.0040.00417.30
8.1.90.0030.00417.39
8.1.80.0050.00317.36
8.1.70.0000.00717.39
8.1.60.0090.00017.59
8.1.50.0040.00417.38
8.1.40.0040.00417.54
8.1.30.0000.00817.68
8.1.20.0030.00617.56
8.1.10.0000.00717.61
8.1.00.0050.00317.53
8.0.300.0040.00418.77
8.0.290.0000.00717.16
8.0.280.0030.00318.50
8.0.270.0030.00317.32
8.0.260.0060.00017.27
8.0.250.0030.00317.00
8.0.240.0060.00317.00
8.0.230.0070.00016.79
8.0.220.0030.00316.80
8.0.210.0030.00316.80
8.0.200.0070.00016.87
8.0.190.0000.00716.98
8.0.180.0000.00716.88
8.0.170.0000.00716.91
8.0.160.0000.00716.95
8.0.150.0030.00316.88
8.0.140.0000.00716.79
8.0.130.0060.00013.29
8.0.120.0050.00316.91
8.0.110.0040.00416.88
8.0.100.0030.00516.96
8.0.90.0040.00416.86
8.0.80.0060.00916.89
8.0.70.0040.00416.77
8.0.60.0040.00416.77
8.0.50.0000.00716.89
8.0.30.0090.01317.27
8.0.20.0100.00717.40
8.0.10.0000.00917.09
8.0.00.0110.00716.88
7.4.330.0000.00515.08
7.4.320.0000.00616.39
7.4.300.0060.00016.52
7.4.290.0070.00416.45
7.4.280.0040.00416.52
7.4.270.0030.00316.53
7.4.260.0000.00716.39
7.4.250.0000.00716.56
7.4.240.0030.00316.53
7.4.230.0040.00416.69
7.4.220.0110.00716.57
7.4.210.0090.00516.58
7.4.200.0040.00416.32
7.4.190.0000.00716.58
7.4.160.0090.01216.42
7.4.150.0070.01017.40
7.4.140.0140.00917.86
7.4.130.0040.01216.53
7.4.120.0080.00916.58
7.4.110.0100.01016.43
7.4.100.0060.01216.59
7.4.90.0110.00616.41
7.4.80.0110.01119.39
7.4.70.0070.01016.51
7.4.60.0160.00016.46
7.4.50.0000.00516.21
7.4.40.0080.00816.49
7.4.30.0090.00916.52
7.4.00.0150.00014.85
7.3.330.0060.00013.23
7.3.320.0070.00013.38
7.3.310.0030.00616.24
7.3.300.0030.00316.41
7.3.290.0090.00616.42
7.3.280.0090.01016.39
7.3.270.0100.00717.40
7.3.260.0130.00416.79
7.3.250.0100.01116.61
7.3.240.0110.01116.50
7.3.230.0040.01316.40
7.3.210.0070.01016.39
7.3.200.0170.00019.39
7.3.190.0110.01116.34
7.3.180.0090.00616.64
7.3.170.0100.00716.44
7.3.160.0100.00616.44
7.3.120.0000.01414.87
7.3.10.0030.00916.68
7.3.00.0000.00916.70
7.2.330.0120.00616.84
7.2.320.0160.00616.61
7.2.310.0100.00716.79
7.2.300.0170.00016.84
7.2.290.0150.00316.82
7.2.130.0070.00316.74
7.2.120.0030.01416.92
7.2.110.0070.01116.58
7.2.100.0000.01416.65
7.2.90.0090.00616.72
7.2.80.0030.01417.03
7.2.70.0090.00317.13
7.2.60.0110.00516.98
7.2.50.0070.01017.02
7.2.40.0070.00717.14
7.2.30.0060.00617.02
7.2.20.0060.00617.11
7.2.10.0070.00716.89
7.2.00.0070.00318.24
7.1.250.0090.00315.80
7.1.240.0050.00515.77
7.1.230.0030.00515.69
7.1.220.0040.00715.74
7.1.210.0040.00415.86
7.1.200.0070.00515.58
7.1.190.0060.00915.63
7.1.180.0070.00715.71
7.1.170.0030.01015.69
7.1.160.0040.01115.59
7.1.150.0090.00315.85
7.1.140.0070.00715.63
7.1.130.0030.00615.86
7.1.120.0030.01315.69
7.1.110.0030.01015.92
7.1.100.0060.00516.95
7.1.90.0060.00615.74
7.1.80.0060.00315.78
7.1.70.0040.00716.31
7.1.60.0050.00717.54
7.1.50.0070.00916.42
7.1.40.0040.00415.82
7.1.30.0030.01115.45
7.1.20.0070.00715.68
7.1.10.0040.00715.73
7.1.00.0040.04219.22
7.0.330.0080.00415.47
7.0.320.0090.00615.45
7.0.310.0090.00315.46
7.0.300.0060.00615.39
7.0.290.0000.01015.40
7.0.280.0040.01115.06
7.0.270.0060.00915.57
7.0.260.0070.00715.45
7.0.250.0000.01615.41
7.0.240.0100.00315.51
7.0.230.0030.00615.51
7.0.220.0070.00715.43
7.0.210.0080.00415.50
7.0.200.0080.00516.06
7.0.190.0000.01115.40
7.0.180.0090.00315.41
7.0.170.0080.00415.47
7.0.160.0070.00315.24
7.0.150.0060.00315.56
7.0.140.0070.04018.64
7.0.130.0080.00815.50
7.0.120.0110.00415.51
7.0.110.0030.00715.25
7.0.100.0050.03317.71
7.0.90.0180.02717.78
7.0.80.0100.02617.69
7.0.70.0100.04617.72
7.0.60.0140.03717.68
7.0.50.0150.04217.93
7.0.40.0030.05016.79
7.0.30.0110.04416.73
7.0.20.0080.02516.88
7.0.10.0030.04516.86
7.0.00.0080.03216.82
5.6.380.0030.00614.58
5.6.370.0100.00614.22
5.6.360.0030.01014.40
5.6.350.0120.00014.35
5.6.340.0140.00014.43
5.6.330.0070.00714.38
5.6.320.0140.00314.48
5.6.310.0110.00314.23
5.6.300.0070.00714.53
5.6.290.0060.00314.23
5.6.280.0070.03517.58
5.6.270.0110.00314.30
5.6.260.0000.01314.61
5.6.250.0070.02617.55
5.6.240.0070.04517.55
5.6.230.0090.03417.28
5.6.220.0050.04517.37
5.6.210.0030.04017.34
5.6.200.0060.04117.52
5.6.190.0030.05017.65
5.6.180.0080.04317.62
5.6.170.0040.04617.70
5.6.160.0080.04017.62
5.6.150.0050.04717.67
5.6.140.0030.04517.69
5.6.130.0050.04517.58
5.6.120.0080.04117.80
5.6.110.0030.04817.63
5.6.100.0090.04617.61
5.6.90.0050.03717.68
5.6.80.0070.03717.41
5.6.70.0090.03417.38
5.6.60.0070.02817.33
5.6.50.0100.03817.31
5.6.40.0060.03817.33
5.6.30.0050.02317.38
5.6.20.0100.04217.18
5.6.10.0030.03017.31
5.6.00.0110.03517.37
5.5.380.0050.03615.57
5.5.370.0060.02215.71
5.5.360.0060.02815.62
5.5.350.0080.04015.84
5.5.340.0050.03916.03
5.5.330.0030.04716.02
5.5.320.0080.02515.91
5.5.310.0050.04415.92
5.5.300.0050.04115.79
5.5.290.0020.02716.08
5.5.280.0030.03816.10
5.5.270.0050.04615.93
5.5.260.0050.04815.75
5.5.250.0080.03615.91
5.5.240.0050.03815.71
5.5.230.0090.04115.62
5.5.220.0070.02015.61
5.5.210.0100.03415.60
5.5.200.0130.03515.64
5.5.190.0030.02815.69
5.5.180.0080.03915.60
5.5.170.0100.00011.13
5.5.160.0030.03015.40
5.5.150.0090.03515.53
5.5.140.0080.03815.56
5.5.130.0020.03015.49
5.5.120.0090.01715.47
5.5.110.0050.04115.55
5.5.100.0060.03615.51
5.5.90.0070.04415.58
5.5.80.0070.04215.61
5.5.70.0070.03915.48
5.5.60.0120.02015.61
5.5.50.0060.03115.55
5.5.40.0100.03515.43
5.5.30.0020.04815.57
5.5.20.0070.03615.51
5.5.10.0070.03815.60
5.5.00.0030.03715.28
5.4.450.0030.04815.28
5.4.440.0060.03215.23
5.4.430.0050.03515.12
5.4.420.0090.03915.16
5.4.410.0090.04615.09
5.4.400.0060.03914.92
5.4.390.0080.04114.91
5.4.380.0040.04014.91
5.4.370.0030.04115.04
5.4.360.0080.02515.02
5.4.350.0020.04014.94
5.4.340.0070.02514.91
5.4.330.0050.00310.77
5.4.320.0030.04615.04
5.4.310.0100.03615.04
5.4.300.0090.04015.12
5.4.290.0050.03815.03
5.4.280.0100.02514.99
5.4.270.0080.03015.00
5.4.260.0060.04215.01
5.4.250.0020.02514.97
5.4.240.0030.04515.13
5.4.230.0070.03715.07
5.4.220.0090.03614.93
5.4.210.0060.04215.10
5.4.200.0120.03014.95
5.4.190.0000.04414.81
5.4.180.0070.03915.12
5.4.170.0030.04214.94
5.4.160.0050.03514.87
5.4.150.0080.04214.94
5.4.140.0050.04113.59
5.4.130.0060.02313.66
5.4.120.0050.03013.62
5.4.110.0050.04013.58
5.4.100.0060.03813.58
5.4.90.0050.03813.44
5.4.80.0030.04213.62
5.4.70.0050.03913.62
5.4.60.0050.03713.66
5.4.50.0030.01813.71
5.4.40.0040.02613.51
5.4.30.0070.03913.68
5.4.20.0060.04013.74
5.4.10.0070.03713.58
5.4.00.0040.03713.38
5.3.290.0110.04612.63
5.3.280.0050.02212.39
5.3.270.0050.04212.58
5.3.260.0100.04012.58
5.3.250.0060.02612.45
5.3.240.0060.03512.43
5.3.230.0080.04012.42
5.3.220.0050.02612.41
5.3.210.0030.04112.45
5.3.200.0050.04512.37
5.3.190.0030.02612.58
5.3.180.0050.03912.55
5.3.170.0030.04312.58
5.3.160.0090.03212.48
5.3.150.0050.03712.46
5.3.140.0040.03212.53
5.3.130.0010.04412.51
5.3.120.0070.03712.46
5.3.110.0070.04412.51
5.3.100.0020.04712.29
5.3.90.0100.03812.21
5.3.80.0050.04312.09
5.3.70.0060.04112.18
5.3.60.0060.03312.16
5.3.50.0030.03812.16
5.3.40.0050.04212.08
5.3.30.0050.03812.08
5.3.20.0020.04211.94
5.3.10.0060.03411.81
5.3.00.0050.03511.94
5.2.170.0080.03010.76
5.2.160.0000.03510.76
5.2.150.0000.03810.76
5.2.140.0030.03010.76
5.2.130.0060.03310.76
5.2.120.0040.03710.76
5.2.110.0070.03210.76
5.2.100.0030.01910.76
5.2.90.0060.02310.76
5.2.80.0070.03010.76
5.2.70.0000.02410.76
5.2.60.0030.03310.76
5.2.50.0050.03710.76
5.2.40.0040.01710.76
5.2.30.0030.03210.76
5.2.20.0000.01710.76
5.2.10.0020.02110.76
5.2.00.0040.03310.76
5.1.60.0050.03010.76
5.1.50.0030.03010.76
5.1.40.0020.03010.76
5.1.30.0050.02310.76
5.1.20.0050.01710.76
5.1.10.0070.02510.76
5.1.00.0080.02310.76
5.0.50.0020.02710.76
5.0.40.0040.02210.76
5.0.30.0060.03110.76
5.0.20.0000.02410.76
5.0.10.0020.02310.76
5.0.00.0010.02310.76
4.4.90.0010.02110.76
4.4.80.0030.02110.76
4.4.70.0070.01510.76
4.4.60.0030.01710.76
4.4.50.0030.01710.76
4.4.40.0030.01710.76
4.4.30.0020.02010.76
4.4.20.0020.01710.76
4.4.10.0030.01510.76
4.4.00.0000.03010.76
4.3.110.0020.01710.76
4.3.100.0030.01910.76
4.3.90.0020.02010.76
4.3.80.0030.02710.76
4.3.70.0050.01610.76
4.3.60.0030.01810.76
4.3.50.0000.01610.76
4.3.40.0060.02310.76
4.3.30.0030.01810.76
4.3.20.0050.01710.76
4.3.10.0020.01110.76
4.3.00.0010.01610.76

preferences:
35.99 ms | 401 KiB | 5 Q