3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Collection { public $fixedArray; public function __construct(SplFixedArray $splFixedArray) { $this->fixedArray = $splFixedArray; } public function getSum() { $sum = 0; $arr = $this->fixedArray; foreach ($arr as $item) { $sum += $item; } return $sum; } } $spl = SplFixedArray::fromArray([0, 1, 2]); $collection = new Collection($spl); $collArr = $collection->fixedArray; echo 'Test #1'.PHP_EOL; $i = 0; foreach ($collArr as $item) { echo '-- iteration: ' . $i . ', item: ' . $item .', sum: ' . $collection->getSum() . PHP_EOL; $i++; } echo 'Expected 3 iterations, executed ' . $i . PHP_EOL; echo PHP_EOL; echo 'Test #2'.PHP_EOL; $i = 0; // Note, unless we use $collection->getSum() inside the loop - it works as expected! foreach ($collArr as $item) { echo '-- iteration: ' . $i . ', item: ' . $item . PHP_EOL; $i++; } echo 'Expected 3 iterations, executed ' . $i . PHP_EOL;

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)
8.3.70.0140.00716.50
8.3.60.0030.01316.75
8.3.50.0130.00718.35
8.3.40.0070.00720.47
8.3.30.0070.00718.64
8.3.20.0080.00021.89
8.3.10.0040.00420.24
8.3.00.0040.00420.67
8.2.180.0070.00718.43
8.2.170.0070.01022.96
8.2.160.0160.00021.07
8.2.150.0060.00324.18
8.2.140.0060.00924.66
8.2.130.0040.00426.16
8.2.120.0040.00426.16
8.2.110.0040.00419.37
8.2.100.0040.00718.03
8.2.90.0040.00417.75
8.2.80.0030.00617.97
8.2.70.0000.00817.50
8.2.60.0040.00417.36
8.2.50.0000.00918.05
8.2.40.0040.00418.28
8.2.30.0070.00018.00
8.2.20.0030.00918.00
8.2.10.0000.00719.37
8.2.00.0000.00719.30
8.1.280.0140.00725.92
8.1.270.0090.00623.89
8.1.260.0040.00426.35
8.1.250.0040.00428.09
8.1.240.0060.00324.02
8.1.230.0040.00819.00
8.1.220.0000.00817.79
8.1.210.0030.00618.77
8.1.200.0030.00617.35
8.1.190.0050.00317.35
8.1.180.0040.00418.78
8.1.170.0000.00717.62
8.1.160.0070.00022.06
8.1.150.0050.00318.90
8.1.140.0040.00418.89
8.1.130.0040.00421.93
8.1.120.0000.00717.39
8.1.110.0070.00017.46
8.1.100.0050.00317.39
8.1.90.0080.00017.36
8.1.80.0040.00417.36
8.1.70.0000.00717.44
8.1.60.0050.00317.52
8.1.50.0000.00817.50
8.1.40.0000.00817.42
8.1.30.0040.00417.49
8.1.20.0030.00517.62
8.1.10.0030.00517.46
8.1.00.0050.00317.40
8.0.300.0040.00419.73
8.0.290.0040.00416.75
8.0.280.0050.00218.44
8.0.270.0040.00418.18
8.0.260.0040.00421.86
8.0.250.0070.00017.06
8.0.240.0070.00017.04
8.0.230.0030.00316.99
8.0.220.0000.00716.99
8.0.210.0050.00316.96
8.0.200.0000.00717.06
8.0.190.0000.00816.96
8.0.180.0080.00017.00
8.0.170.0060.00316.96
8.0.160.0070.00016.97
8.0.150.0000.00816.95
8.0.140.0050.00516.97
8.0.130.0000.00613.38
8.0.120.0040.00416.98
8.0.110.0000.00817.00
8.0.100.0070.00016.92
8.0.90.0040.00416.99
8.0.80.0060.01316.90
8.0.70.0040.00416.95
8.0.60.0080.00016.78
8.0.50.0020.00517.08
8.0.30.0150.00317.28
8.0.20.0100.01117.29
8.0.10.0000.00717.07
8.0.00.0120.00616.87
7.4.330.0030.00315.55
7.4.320.0060.00016.66
7.4.300.0000.00616.61
7.4.290.0070.00016.64
7.4.280.0000.00816.45
7.4.270.0080.00016.59
7.4.260.0030.00313.25
7.4.250.0040.00416.60
7.4.240.0020.00616.57
7.4.230.0030.00316.54
7.4.220.0000.00716.42
7.4.210.0080.01216.43
7.4.200.0000.00716.61
7.4.130.0130.00516.50
7.4.120.0130.00516.66
7.4.110.0070.01116.73
7.4.100.0100.00716.50
7.4.90.0090.00916.60
7.4.80.0090.00919.39
7.4.70.0100.00716.52
7.4.60.0030.01316.49
7.4.50.0090.00616.59
7.4.40.0170.00616.48
7.4.30.0090.01516.28
7.4.20.0080.01116.34
7.4.10.0060.01216.29
7.4.00.0030.01416.36
7.3.330.0030.00316.48
7.3.320.0000.00513.37
7.3.310.0080.00016.27
7.3.300.0070.00016.33
7.3.290.0110.00616.38
7.3.280.0100.00716.32
7.3.260.0080.01516.61
7.3.240.0090.00916.53
7.3.230.0100.01016.43
7.3.210.0120.00616.32
7.3.200.0140.01116.67
7.3.190.0090.00916.63
7.3.180.0030.01316.47
7.3.170.0030.01216.70
7.3.160.0130.01016.33
7.3.150.0090.00816.34
7.3.140.0090.00916.25
7.3.130.0060.01016.32
7.3.120.0040.01816.39
7.3.110.0100.01016.13
7.3.100.0080.01416.47
7.3.90.0120.00616.27
7.3.80.0090.01216.20
7.3.70.0140.00716.22
7.3.60.0100.00716.24
7.3.50.0090.00916.31
7.3.40.0000.01816.33
7.3.30.0080.00816.46
7.3.20.0090.00918.22
7.3.10.0150.00818.23
7.3.00.0140.00318.27
7.2.330.0120.00616.88
7.2.320.0080.00816.91
7.2.310.0070.01016.79
7.2.300.0060.01216.76
7.2.290.0140.01116.58
7.2.280.0110.00816.65
7.2.270.0120.00616.55
7.2.260.0030.01316.78
7.2.250.0150.00316.75
7.2.240.0090.00916.53
7.2.230.0110.01116.82
7.2.220.0070.01516.77
7.2.210.0130.00916.53
7.2.200.0120.00616.52
7.2.190.0140.00416.48
7.2.180.0110.01116.70
7.2.170.0150.00316.69
7.2.160.0080.01516.72
7.2.150.0030.01918.46
7.2.140.0180.00618.37
7.2.130.0130.01018.43
7.2.120.0070.01118.48
7.2.110.0090.01518.51
7.2.100.0110.01118.45
7.2.90.0100.01418.39
7.2.80.0110.01118.40
7.2.70.0120.00618.55
7.2.60.0100.00718.42
7.2.50.0030.01418.46
7.2.40.0140.01118.40
7.2.30.0080.01118.59
7.2.20.0080.01218.46
7.2.10.0120.01218.20
7.2.00.0090.01518.32

preferences:
68.83 ms | 401 KiB | 5 Q