3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = new ArrayObject(array(1, 2)); $it = $array->getIterator(); $array[] = 3; $prev = $array->getIterator(); while ($it->valid()) { echo $prev->current(); echo $it->current(); $prev = clone $it; $it->next(); } $it = $prev; $it->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)
8.3.60.0070.01118.18
8.3.50.0100.00721.08
8.3.40.0040.01119.02
8.3.30.0070.00720.15
8.3.20.0040.00420.19
8.3.10.0000.00822.02
8.3.00.0070.00022.44
8.2.180.0090.00616.32
8.2.170.0070.00722.96
8.2.160.0070.00720.46
8.2.150.0040.00424.18
8.2.140.0050.00324.66
8.2.130.0050.00326.16
8.2.120.0040.00419.66
8.2.110.0000.00922.16
8.2.100.0000.01219.36
8.2.90.0050.00319.17
8.2.80.0040.00419.21
8.2.70.0030.00617.63
8.2.60.0040.00417.93
8.2.50.0050.00318.07
8.2.40.0030.00518.21
8.2.30.0040.00418.08
8.2.20.0040.00417.80
8.2.10.0040.00417.59
8.2.00.0000.00917.72
8.1.280.0070.00725.92
8.1.270.0120.00320.40
8.1.260.0040.00426.35
8.1.250.0080.00028.09
8.1.240.0060.00323.75
8.1.230.0110.00019.14
8.1.220.0000.00817.79
8.1.210.0080.00018.77
8.1.200.0060.00317.23
8.1.190.0040.00417.40
8.1.180.0090.00018.69
8.1.170.0060.00318.38
8.1.160.0040.00422.16
8.1.150.0030.00518.61
8.1.140.0040.00417.41
8.1.130.0030.00517.89
8.1.120.0050.00217.37
8.1.110.0040.00417.44
8.1.100.0030.00417.43
8.1.90.0000.00717.39
8.1.80.0070.00017.30
8.1.70.0050.00217.30
8.1.60.0060.00317.47
8.1.50.0050.00317.61
8.1.40.0070.00317.45
8.1.30.0030.00617.55
8.1.20.0030.00517.59
8.1.10.0000.00817.56
8.1.00.0040.00417.55
8.0.300.0030.00518.77
8.0.290.0070.00017.05
8.0.280.0070.00018.35
8.0.270.0070.00017.27
8.0.260.0030.00316.87
8.0.250.0000.00716.87
8.0.240.0000.00716.93
8.0.230.0020.00516.98
8.0.220.0030.00316.70
8.0.210.0000.00716.85
8.0.200.0000.00616.96
8.0.190.0000.00716.98
8.0.180.0000.00816.89
8.0.170.0050.00316.83
8.0.160.0030.00316.88
8.0.150.0000.00716.84
8.0.140.0000.00716.88
8.0.130.0060.00013.24
8.0.120.0030.00616.79
8.0.110.0000.00716.90
8.0.100.0070.00016.81
8.0.90.0000.00716.70
8.0.80.0110.00716.84
8.0.70.0040.00416.90
8.0.60.0030.00316.85
8.0.50.0040.00416.69
8.0.30.0110.00816.79
8.0.20.0080.01117.40
8.0.10.0040.00417.00
8.0.00.0130.00616.66
7.4.330.0050.00015.00
7.4.320.0060.00016.54
7.4.300.0000.00616.52
7.4.290.0000.00716.57
7.4.280.0000.00716.52
7.4.270.0000.00816.57
7.4.260.0070.00016.41
7.4.250.0040.00416.55
7.4.240.0010.00616.48
7.4.230.0000.00716.30
7.4.220.0130.00616.58
7.4.210.0070.01116.56
7.4.200.0040.00416.54
7.4.190.0030.00316.64
7.4.160.0100.00716.45
7.4.150.0090.00917.40
7.4.140.0140.00717.86
7.4.130.0130.00616.43
7.4.120.0120.00716.46
7.4.110.0060.01216.64
7.4.100.0060.01216.61
7.4.90.0110.00616.54
7.4.80.0150.00319.39
7.4.70.0070.01016.65
7.4.60.0110.00816.52
7.4.50.0040.00016.39
7.4.40.0100.00722.77
7.4.30.0060.01516.40
7.4.00.0040.01414.88
7.3.330.0000.00513.33
7.3.320.0000.00513.23
7.3.310.0000.00716.49
7.3.300.0000.00716.39
7.3.290.0120.00616.40
7.3.280.0090.00516.36
7.3.270.0140.00317.40
7.3.260.0130.00616.75
7.3.250.0120.00916.40
7.3.240.0100.01416.31
7.3.230.0100.00716.57
7.3.210.0140.00316.43
7.3.200.0070.01019.39
7.3.190.0120.00516.56
7.3.180.0060.01016.52
7.3.170.0110.00516.36
7.3.160.0090.00616.35
7.3.120.0030.01014.93
7.2.330.0080.00816.85
7.2.320.0120.00616.41
7.2.310.0130.00716.36
7.2.300.0060.01016.57
7.2.290.0100.00716.81
7.2.00.0070.01019.47
7.1.100.0060.00617.94
7.1.70.0000.00817.11
7.1.60.0110.01419.40
7.1.50.0040.00916.90
7.1.00.0100.03722.27
7.0.200.0040.00416.52
7.0.140.0100.06322.08
7.0.60.0100.08019.87
7.0.50.0000.08317.66
7.0.40.0070.09320.20
7.0.30.0200.06320.18
7.0.20.0330.07720.16
7.0.10.0370.08020.18
7.0.00.0070.04720.13
5.6.280.0070.07020.86
5.6.210.0070.06020.72
5.6.200.0170.07318.16
5.6.190.0100.08320.39
5.6.180.0070.05020.35
5.6.170.0330.07320.62
5.6.160.0070.08720.51
5.6.150.0230.04018.22
5.6.140.0070.04718.15
5.6.130.0130.06018.07
5.6.120.0070.07720.98
5.6.110.0030.09020.97
5.6.100.0000.06020.87
5.6.90.0030.08720.92
5.6.80.0070.08020.37
5.6.70.0130.08320.47
5.5.350.0070.03320.37
5.5.340.0070.08317.99
5.5.330.0130.07020.21
5.5.320.0100.04720.51
5.5.310.0230.04320.33
5.5.300.0200.06318.01
5.5.290.0100.07017.98
5.5.280.0030.08720.74
5.5.270.0070.08320.86
5.5.260.0170.07720.84
5.5.250.0070.03720.67
5.5.240.0070.04720.07
5.4.450.0130.05319.47
5.4.440.0870.05019.60
5.4.430.0070.06019.43
5.4.420.0770.06019.46
5.4.410.0830.05319.48
5.4.400.0300.06318.49
5.4.390.0370.05718.68
5.4.380.0470.07318.63
5.4.370.0130.05718.65
5.4.360.0130.05318.50
5.4.350.0070.04611.98
5.4.340.0090.03711.97
5.4.320.0030.03812.46
5.4.310.0080.04212.45
5.4.300.0100.04112.45
5.4.290.0050.04112.45
5.4.280.0080.03712.35
5.4.270.0050.03712.35
5.4.260.0040.04012.35
5.4.250.0070.07318.77
5.4.240.0170.05318.79
5.4.230.0070.06018.70
5.4.220.0000.06018.74
5.4.210.0170.06018.68
5.4.200.0170.04719.00
5.4.190.0070.07318.84
5.4.180.0070.05718.74
5.4.170.0070.05318.67
5.4.160.0130.05018.71
5.4.150.0070.05718.83
5.4.140.0100.05316.32
5.4.130.0130.04316.29
5.4.120.0070.05316.28
5.4.110.0030.07716.46
5.4.100.0070.07316.40
5.4.90.0000.07716.32
5.4.80.0130.06716.48
5.4.70.0030.05316.25
5.4.60.0170.06016.36
5.4.50.0070.05316.18
5.4.40.0100.06716.23
5.4.30.0130.04316.34
5.4.20.0100.05016.31
5.4.10.0100.06016.29
5.4.00.0130.04315.89
5.3.290.0070.04612.80
5.3.280.0070.07714.74
5.3.270.0000.07714.62
5.3.260.0070.05314.49
5.3.250.0100.04714.48
5.3.240.0170.05014.75
5.3.230.0030.05314.69
5.3.220.0170.04314.71
5.3.210.0100.05314.66
5.3.200.0100.05014.58
5.3.190.0100.05014.53
5.3.180.0130.04314.26
5.3.170.0070.05014.58
5.3.160.0170.04014.43
5.3.150.0100.05014.35
5.3.140.0030.05314.56
5.3.130.0170.04714.38
5.3.120.0130.04314.59
5.3.110.0100.05014.43
5.3.100.0070.05014.05
5.3.90.0000.05713.91
5.3.80.0070.05313.87
5.3.70.0000.05714.03
5.3.60.0170.04014.15
5.3.50.0100.04713.87
5.3.40.0100.05013.94
5.3.30.0070.04713.90
5.3.20.0130.04013.53
5.3.10.0100.04313.64
5.3.00.0070.06713.50
5.2.170.0100.04011.13
5.2.160.0000.04311.06
5.2.150.0030.04310.90
5.2.140.0000.04711.24
5.2.130.0070.04011.09
5.2.120.0070.03711.10
5.2.110.0070.05311.12
5.2.100.0030.06011.12
5.2.90.0100.04011.11
5.2.80.0070.04011.09
5.2.70.0030.04311.24
5.2.60.0070.04010.98
5.2.50.0000.05711.01
5.2.40.0030.04311.01
5.2.30.0030.04711.12
5.2.20.0070.05011.05
5.2.10.0170.04310.84
5.2.00.0030.04710.67
5.1.60.0130.0409.97
5.1.50.0070.03010.00
5.1.40.0000.0379.96
5.1.30.0070.03310.41
5.1.20.0030.03710.41
5.1.10.0070.03310.30
5.1.00.0030.03310.16
5.0.50.0000.0308.53
5.0.40.0030.0308.38
5.0.30.0000.0438.27
5.0.20.0000.0308.25
5.0.10.0070.0238.08
5.0.00.0000.0438.25
4.4.90.0030.0207.34
4.4.80.0070.0277.34
4.4.70.0000.0237.34
4.4.60.0030.0307.34
4.4.50.0000.0237.34
4.4.40.0000.0407.34
4.4.30.0030.0207.34
4.4.20.0070.0177.34
4.4.10.0030.0207.34
4.4.00.0000.0377.34
4.3.110.0030.0207.34
4.3.100.0070.0207.34
4.3.90.0000.0237.34
4.3.80.0030.0407.34
4.3.70.0070.0177.34
4.3.60.0030.0177.34
4.3.50.0000.0237.34
4.3.40.0030.0307.34
4.3.30.0000.0307.34
4.3.20.0000.0237.34
4.3.10.0000.0237.34
4.3.00.0130.0277.96

preferences:
45.4 ms | 401 KiB | 5 Q