3v4l.org

run code in 300+ PHP versions simultaneously
<?php class ColumnFieldsIterator implements \IteratorAggregate { public function getIterator() { return new \ArrayIterator(['columns2','columns']); } } class RowFieldsIterator implements \IteratorAggregate { public function getIterator() { return new \ArrayIterator(['rows2','rows']); } } class AllIterator implements \IteratorAggregate { public function getIterator() { $multipleIterator = new MultipleIterator; $multipleIterator->attachIterator(new ColumnFieldsIterator); $multipleIterator->attachIterator(new RowFieldsIterator); return $multipleIterator; } } $all = new AllIterator; foreach ($all as $k => $v) { echo "$k => $v\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)
8.3.60.0070.00716.50
8.3.50.0090.01021.14
8.3.40.0160.00618.84
8.3.30.0110.00418.84
8.3.20.0050.00220.39
8.3.10.0090.00023.53
8.3.00.0060.00323.69
8.2.180.0070.00718.28
8.2.170.0100.01022.96
8.2.160.0100.00719.33
8.2.150.0000.00824.18
8.2.140.0000.00724.66
8.2.130.0040.00419.64
8.2.120.0050.00326.35
8.2.110.0090.00022.26
8.2.100.0040.00717.93
8.2.90.0080.00019.22
8.2.80.0080.00018.04
8.2.70.0030.00617.63
8.2.60.0050.00317.93
8.2.50.0040.00418.07
8.2.40.0050.00220.47
8.2.30.0000.00719.47
8.2.20.0040.00417.68
8.2.10.0000.01018.07
8.2.00.0000.00718.06
8.1.280.0100.00725.92
8.1.270.0140.00323.83
8.1.260.0050.00328.09
8.1.250.0030.00628.09
8.1.240.0060.00322.11
8.1.230.0110.00019.10
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0060.00317.35
8.1.190.0050.00317.35
8.1.180.0040.00418.10
8.1.170.0060.00318.33
8.1.160.0030.00320.78
8.1.150.0000.00718.77
8.1.140.0090.00019.63
8.1.130.0000.00717.68
8.1.120.0000.00717.44
8.1.110.0040.00417.46
8.1.100.0080.00017.36
8.1.90.0000.00917.50
8.1.80.0030.00617.47
8.1.70.0030.00317.45
8.1.60.0030.00617.59
8.1.50.0060.00317.55
8.1.40.0000.00817.41
8.1.30.0050.00317.54
8.1.20.0050.00217.52
8.1.10.0030.00517.52
8.1.00.0040.00417.57
8.0.300.0030.00518.77
8.0.290.0070.00016.75
8.0.280.0000.00718.46
8.0.270.0070.00017.14
8.0.260.0030.00317.19
8.0.250.0070.00017.04
8.0.240.0080.00017.10
8.0.230.0000.00717.07
8.0.220.0020.00516.95
8.0.210.0040.00416.96
8.0.200.0000.00716.93
8.0.190.0060.00317.03
8.0.180.0030.00516.91
8.0.170.0040.00416.98
8.0.160.0040.00416.97
8.0.150.0000.00716.97
8.0.140.0080.00016.95
8.0.130.0030.00313.35
8.0.120.0000.00816.86
8.0.110.0000.00717.02
8.0.100.0050.00216.95
8.0.90.0050.00216.97
8.0.80.0070.01017.02
8.0.70.0070.00016.79
8.0.60.0070.00016.86
8.0.50.0040.00416.83
8.0.30.0090.00917.13
8.0.20.0120.00717.40
8.0.10.0000.00716.94
8.0.00.0140.00616.70
7.4.330.0000.00516.79
7.4.320.0030.00316.64
7.4.300.0030.00316.62
7.4.290.0070.00016.52
7.4.280.0060.00316.52
7.4.270.0030.00316.61
7.4.260.0040.00416.58
7.4.250.0070.00016.46
7.4.240.0050.00216.47
7.4.230.0070.00016.49
7.4.220.0150.00316.49
7.4.210.0090.00716.66
7.4.200.0030.00416.56
7.4.160.0120.00416.47
7.4.150.0140.00717.40
7.4.140.0080.01017.86
7.4.130.0130.00816.52
7.4.120.0110.00916.52
7.4.110.0100.00716.37
7.4.100.0120.00616.53
7.4.90.0100.00716.40
7.4.80.0160.00319.39
7.4.70.0100.00716.71
7.4.60.0130.00616.55
7.4.50.0000.01216.41
7.4.40.0090.01016.32
7.4.30.0090.00916.37
7.4.10.0100.01016.73
7.4.00.0090.00915.25
7.3.330.0030.00313.25
7.3.320.0000.00613.40
7.3.310.0070.00016.43
7.3.300.0000.00716.26
7.3.290.0070.00016.45
7.3.280.0050.01216.35
7.3.270.0090.00917.40
7.3.260.0150.00316.42
7.3.250.0110.00616.51
7.3.240.0070.01016.51
7.3.230.0130.00516.55
7.3.210.0130.00316.41
7.3.200.0150.01019.39
7.3.190.0070.01016.41
7.3.180.0120.00416.68
7.3.170.0090.00816.57
7.3.160.0150.00616.43
7.3.130.0090.00916.30
7.3.120.0060.01115.47
7.3.110.0060.01015.40
7.3.100.0080.00415.39
7.3.90.0070.00715.44
7.3.80.0050.00815.24
7.3.70.0050.01215.26
7.3.60.0090.00615.48
7.3.50.0070.00715.42
7.3.40.0050.00915.33
7.3.30.0070.00815.31
7.3.20.0080.00817.26
7.3.10.0030.01016.97
7.3.00.0060.00517.00
7.2.330.0150.00416.86
7.2.320.0060.01216.82
7.2.310.0030.01616.87
7.2.300.0030.01316.48
7.2.290.0090.00916.61
7.2.260.0000.01716.69
7.2.250.0080.01115.94
7.2.240.0060.00915.62
7.2.230.0110.00715.64
7.2.220.0070.00915.47
7.2.210.0070.00715.44
7.2.200.0040.01215.44
7.2.190.0060.01115.54
7.2.180.0080.00615.48
7.2.170.0060.00715.53
7.2.160.0060.00915.73
7.2.150.0070.01017.60
7.2.140.0070.00517.60
7.2.130.0080.00717.32
7.2.120.0050.01017.42
7.2.110.0010.01417.27
7.2.100.0080.00817.47
7.2.90.0060.01017.44
7.2.80.0040.00817.19
7.2.70.0050.00917.49
7.2.60.0060.00817.29
7.2.50.0070.00617.43
7.2.40.0090.00517.43
7.2.30.0060.00717.45
7.2.20.0060.00917.46
7.2.10.0050.00817.42
7.2.00.0050.00717.86
7.1.330.0080.00816.15
7.1.320.0080.00816.00
7.1.310.0080.00616.24
7.1.300.0030.00716.27
7.1.290.0040.00716.35
7.1.280.0080.00316.11
7.1.270.0050.01016.16
7.1.260.0030.01016.12
7.1.250.0020.00916.17
7.1.240.0120.00017.45
7.1.230.0030.01017.23
7.1.220.0000.00917.11
7.1.210.0070.00717.11
7.1.200.0080.00516.32
7.1.190.0000.01417.09
7.1.180.0000.01117.24
7.1.170.0100.00317.07
7.1.160.0030.01017.15
7.1.150.0040.00717.16
7.1.140.0000.01017.18
7.1.130.0110.00417.25
7.1.120.0000.01017.22
7.1.110.0070.00717.35
7.1.100.0060.00817.56
7.1.90.0030.00617.20
7.1.80.0030.00717.29
7.1.70.0040.01117.05
7.1.60.0090.01118.25
7.1.50.0040.00716.91
7.1.40.0060.00617.17
7.1.30.0080.00817.16
7.1.20.0090.00317.19
7.1.10.0070.00317.25
7.1.00.0100.03719.69
7.0.330.0040.00716.93
7.0.320.0070.00716.89
7.0.310.0080.00316.84
7.0.300.0070.00716.85
7.0.290.0070.00716.97
7.0.280.0110.00416.91
7.0.270.0060.00617.07
7.0.260.0000.01216.94
7.0.250.0030.01016.92
7.0.240.0070.00317.03
7.0.230.0040.00816.92
7.0.220.0040.01116.85
7.0.210.0040.01516.94
7.0.200.0060.00616.74
7.0.190.0080.00816.85
7.0.180.0070.00716.71
7.0.170.0080.00316.83
7.0.160.0080.00417.05
7.0.150.0070.00716.82
7.0.140.0000.01116.93
7.0.130.0080.00316.77
7.0.120.0060.00617.04
7.0.110.0040.01116.89
7.0.100.0060.00316.78
7.0.90.0000.01316.92
7.0.80.0030.01316.85
7.0.70.0070.00717.11
7.0.60.0110.04419.33
7.0.50.0100.03017.40
7.0.40.0080.04617.66
7.0.30.0140.02217.54
7.0.20.0100.02717.53
7.0.10.0030.03917.56
7.0.00.0070.02717.45
5.6.400.0070.00716.02
5.6.390.0070.01015.90
5.6.380.0060.00915.89
5.6.370.0090.00615.86
5.6.360.0060.00615.78
5.6.350.0030.01115.90
5.6.340.0070.00415.85
5.6.330.0080.00415.96
5.6.320.0030.00715.61
5.6.310.0100.00615.83
5.6.300.0030.00715.89
5.6.290.0080.00415.91
5.6.280.0040.02018.44
5.6.270.0070.00715.84
5.6.260.0070.01015.81
5.6.250.0060.00816.12
5.6.240.0110.00415.77
5.6.230.0000.01315.84
5.6.220.0080.00315.65
5.6.210.0080.03118.34
5.6.200.0020.04517.07
5.6.190.0090.04418.09
5.6.180.0170.02918.35
5.6.170.0150.04318.29
5.6.160.0110.04518.06
5.6.150.0020.04717.00
5.6.140.0070.04717.10
5.6.130.0090.03617.00
5.6.120.0030.05218.41
5.6.110.0030.02718.49
5.6.100.0070.04518.29
5.6.90.0060.02518.38
5.6.80.0020.04718.13
5.6.70.0080.00815.91
5.6.60.0040.00815.85
5.6.50.0060.00915.61
5.6.40.0050.00515.81
5.6.30.0100.00315.59
5.6.20.0100.00615.79
5.6.10.0060.00615.63
5.6.00.0110.00415.64
5.5.380.0030.01315.79
5.5.370.0070.01315.61
5.5.360.0030.01015.57
5.5.350.0060.04618.02
5.5.340.0090.03516.73
5.5.330.0070.02518.05
5.5.320.0200.02717.87
5.5.310.0150.02818.01
5.5.300.0080.04516.83
5.5.290.0040.02716.69
5.5.280.0080.04318.33
5.5.270.0110.04018.27
5.5.260.0100.02718.30
5.5.250.0030.04418.12
5.5.240.0050.03417.92
5.5.230.0030.01015.46
5.5.220.0050.00515.59
5.5.210.0070.00315.61
5.5.200.0040.00815.38
5.5.190.0040.00815.53
5.5.180.0110.00715.30
5.5.170.0040.00915.69
5.5.160.0070.00715.42
5.5.150.0100.00315.75
5.5.140.0100.00315.91
5.5.130.0070.00315.77
5.5.120.0110.00015.73
5.5.110.0100.00715.68
5.5.100.0060.01215.55
5.5.90.0040.01115.56
5.5.80.0110.00415.72
5.5.70.0090.00915.67
5.5.60.0060.01315.53
5.5.50.0110.00315.73
5.5.40.0060.00615.80
5.5.30.0000.01215.38
5.5.20.0070.00715.34
5.5.10.0060.00315.50
5.5.00.0040.01115.38

preferences:
53.51 ms | 401 KiB | 5 Q