3v4l.org

run code in 300+ PHP versions simultaneously
<?php function generator(): iterable { $count = -1; while (true) { echo 'Stopping: ', $count, \PHP_EOL; yield ++$count; echo 'Resuming: ', $count, \PHP_EOL; } } function limit(\Iterator $inner, int $count) { if (1 > $count) return; foreach ($inner as $key => $value) { if (!$count--) { return; } yield $key => $value; } } echo "Construct:\n"; $i = limit(generator(), 3); echo "Rewind:\n"; $i->rewind(); echo "\n1st iteration\n"; echo $i->valid() ? "Valid\n" : "Not valid\n"; echo "Current value: ", $i->current(), "\n"; $i->next(); echo "\n2nd iteration\n"; echo $i->valid() ? "Valid\n" : "Not valid\n"; echo "Current value: ", $i->current(), "\n"; $i->next(); echo "\n3rd iteration\n"; echo $i->valid() ? "Valid\n" : "Not valid\n"; echo "Current value: ", $i->current(), "\n"; $i->next(); echo "\n4th iteration\n"; echo $i->valid() ? "Valid\n" : "Not valid\n"; echo "Current value: ", $i->current(), "\n"; $i->next(); echo "\n5th iteration\n"; echo $i->valid() ? "Valid\n" : "Not valid\n"; echo "Current value: ", $i->current(), "\n"; $i->next();

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)
8.3.70.0110.00416.58
8.3.60.0120.00916.63
8.3.50.0070.01016.56
8.3.40.0130.00318.82
8.3.30.0120.00318.50
8.3.20.0080.00024.18
8.3.10.0080.00324.66
8.3.00.0040.00426.16
8.2.190.0110.00716.62
8.2.180.0070.00725.92
8.2.170.0130.01018.94
8.2.160.0030.01022.96
8.2.150.0060.00325.66
8.2.140.0070.00024.66
8.2.130.0040.00426.16
8.2.120.0040.00426.35
8.2.110.0110.00020.96
8.2.100.0070.00419.21
8.2.90.0080.00020.34
8.2.80.0040.00420.29
8.2.70.0000.00817.80
8.2.60.0030.00618.16
8.2.50.0040.00418.10
8.2.40.0060.00321.05
8.2.30.0080.00019.25
8.2.20.0040.00418.00
8.2.10.0030.00519.32
8.2.00.0040.00419.22
8.1.280.0130.01025.92
8.1.270.0080.00023.99
8.1.260.0000.00728.09
8.1.250.0090.00328.09
8.1.240.0000.00922.02
8.1.230.0040.00820.92
8.1.220.0080.00017.88
8.1.210.0040.00419.04
8.1.200.0030.00617.35
8.1.190.0060.00317.35
8.1.180.0060.00318.10
8.1.170.0030.00618.63
8.1.160.0000.00718.90
8.1.150.0040.00718.84
8.1.140.0000.00718.86
8.1.130.0030.00320.02
8.1.120.0040.00417.40
8.1.110.0080.00017.51
8.1.100.0000.00717.36
8.1.90.0030.00517.45
8.1.80.0040.00417.30
8.1.70.0060.00317.50
8.1.60.0050.00317.60
8.1.50.0000.00917.57
8.1.40.0040.00417.42
8.1.30.0000.00917.61
8.1.20.0040.00417.71
8.1.10.0000.00817.66
8.1.00.0040.00417.41
8.0.300.0070.00020.07
8.0.290.0040.00416.75
8.0.280.0030.00418.40
8.0.270.0000.00716.83
8.0.260.0080.00018.45
8.0.250.0070.00016.94
8.0.240.0040.00416.93
8.0.230.0030.00317.04
8.0.220.0040.00416.98
8.0.210.0050.00216.94
8.0.200.0000.00717.05
8.0.190.0030.00517.01
8.0.180.0000.00816.89
8.0.170.0070.00417.03
8.0.160.0000.00716.93
8.0.150.0030.00517.00
8.0.140.0030.00516.97
8.0.130.0030.00313.40
8.0.120.0030.00616.96
8.0.110.0040.00416.91
8.0.100.0080.00016.93
8.0.90.0040.00416.85
8.0.80.0050.01116.97
8.0.70.0040.00416.80
8.0.60.0020.00517.04
8.0.50.0030.00517.09
8.0.30.0090.00617.05
8.0.20.0070.01016.98
8.0.10.0180.00617.02
8.0.00.0060.01617.11
7.4.330.0030.00315.55
7.4.320.0030.00316.60
7.4.300.0060.00016.64
7.4.290.0030.00316.56
7.4.280.0040.00416.61
7.4.270.0070.00016.57
7.4.260.0000.00613.30
7.4.250.0000.00716.59
7.4.240.0050.00216.54
7.4.230.0000.00716.65
7.4.220.0020.00616.54
7.4.210.0100.00616.56
7.4.200.0030.00316.44
7.4.160.0060.01316.61
7.4.150.0090.01416.58
7.4.140.0090.01216.57
7.4.130.0140.00716.57
7.4.120.0100.01016.66
7.4.110.0030.01316.57
7.4.100.0170.00416.61
7.4.90.0130.00316.41
7.4.80.0100.01016.41
7.4.70.0070.01016.43
7.4.60.0090.00916.57
7.4.50.0110.00716.43
7.4.40.0090.00916.30
7.4.30.0060.01416.55
7.4.20.0000.01516.35
7.4.10.0090.00616.48
7.4.00.0100.01016.56
7.3.330.0040.00416.39
7.3.320.0000.00513.52
7.3.310.0070.00016.35
7.3.300.0030.00316.46
7.3.290.0080.00816.45
7.3.270.0140.00716.43
7.3.260.0100.01016.41
7.3.250.0100.01016.35
7.3.240.0150.00616.45
7.3.230.0170.00316.50
7.3.220.0130.00716.33
7.3.210.0000.02116.38
7.3.200.0070.01316.32
7.3.190.0060.00916.38
7.3.180.0110.00516.29
7.3.170.0110.00716.39
7.3.160.0120.00316.39
7.3.150.0110.00716.39
7.3.140.0130.00716.36
7.3.130.0100.01016.39
7.3.120.0040.01616.31
7.3.110.0060.00916.30
7.3.100.0130.00616.33
7.3.90.0040.01116.67
7.3.80.0060.00916.41
7.3.70.0090.00916.44
7.3.60.0070.01016.46
7.3.50.0140.00016.47
7.3.40.0090.00616.49
7.3.30.0130.01016.39
7.3.20.0500.00716.52
7.3.10.0100.00716.39
7.3.00.0080.00816.37

preferences:
17.68 ms | 401 KiB | 5 Q