3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { } class First { protected $collection; public function __construct(array $items) { $this->collection = (function (A ...$items) { return $items; })(...$items); } }; class Second { protected $collection; public function __construct(array $items) { foreach ($items as $item) { if (!($item instanceof A)) { throw new Exception(); } } $collection = $items; } }; $given = [ new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), new A(), ]; $start = microtime(true); for ($i = 0; $i < 10000; $i++) { new First($given); } echo "First: " . (microtime(true) - $start) . PHP_EOL; $start = microtime(true); for ($i = 0; $i < 10000; $i++) { new Second($given); } echo "Second: " . (microtime(true) - $start) . 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)
8.3.70.0070.12118.43
8.3.60.0070.12018.30
8.3.50.0100.14322.11
8.3.40.0100.11619.08
8.3.30.0100.11618.87
8.3.20.0030.06620.46
8.3.10.0100.06020.66
8.3.00.0070.09822.07
8.2.180.0100.12818.29
8.2.170.0070.14622.96
8.2.160.0130.14122.08
8.2.150.0130.09924.18
8.2.140.0070.07624.66
8.2.130.0070.06121.13
8.2.120.0070.06126.35
8.2.110.0100.13421.04
8.2.100.0100.08318.28
8.2.90.0030.09119.46
8.2.80.0000.09317.97
8.2.70.0030.09217.88
8.2.60.0030.08918.16
8.2.50.0070.08918.09
8.2.40.0030.08720.80
8.2.30.0030.09619.75
8.2.20.0030.08717.93
8.2.10.0030.08518.42
8.2.00.0070.08518.36
8.1.280.0030.12225.92
8.1.270.0030.06622.49
8.1.260.0000.08128.09
8.1.250.0100.08328.09
8.1.240.0070.13121.36
8.1.230.0070.08617.57
8.1.220.0000.09118.01
8.1.210.0070.08518.77
8.1.200.0130.07917.61
8.1.190.0060.08417.48
8.1.180.0070.08318.10
8.1.170.0070.08518.91
8.1.160.0030.08820.95
8.1.150.0030.09019.13
8.1.140.0070.08519.82
8.1.130.0030.08717.94
8.1.120.0030.08617.70
8.1.110.0030.08917.55
8.1.100.0000.08917.68
8.1.90.0030.08717.59
8.1.80.0030.08617.63
8.1.70.0000.09217.54
8.1.60.0070.12717.71
8.1.50.0070.12817.72
8.1.40.0030.13017.82
8.1.30.0000.13417.83
8.1.20.0030.12917.79
8.1.10.0070.13317.77
8.1.00.0070.14717.84
8.0.300.0070.08818.77
8.0.290.0070.09316.88
8.0.280.0030.09418.54
8.0.270.0070.09617.42
8.0.260.0070.09017.49
8.0.250.0030.11517.23
8.0.240.0070.12317.18
8.0.230.0030.09217.14
8.0.220.0060.11317.02
8.0.210.0030.09317.11
8.0.200.0070.08917.06
8.0.190.0000.13117.06
8.0.180.0070.13517.16
8.0.170.0000.13117.06
8.0.160.0030.13117.23
8.0.150.0070.12717.05
8.0.140.0030.12717.07
8.0.130.0030.12613.62
8.0.120.0070.13017.10
8.0.110.0030.12817.19
8.0.100.0000.13117.18
8.0.90.0070.13017.13
8.0.80.0100.15417.17
8.0.70.0030.12817.17
8.0.60.0030.12716.97
8.0.50.0000.13016.98
8.0.30.0080.12617.17
8.0.20.0170.17117.40
8.0.10.0070.12517.09
8.0.00.0130.20416.85
7.4.330.0000.10216.82
7.4.320.0000.10016.75
7.4.300.0000.10016.74
7.4.290.0030.14016.72
7.4.280.0030.14116.62
7.4.270.0060.14216.84
7.4.260.0070.16016.82
7.4.250.0030.14416.71
7.4.240.0070.14016.84
7.4.230.0030.14316.84
7.4.220.0200.22516.89
7.4.210.0100.16216.77
7.4.200.0030.14116.93
7.4.160.0100.16616.72
7.4.150.0170.16517.40
7.4.140.0120.17917.86
7.4.130.0120.19816.72
7.4.120.0080.19316.76
7.4.110.0030.17416.77
7.4.100.0060.19516.64
7.4.90.0130.19716.77
7.4.80.0100.17919.39
7.4.70.0160.15816.76
7.4.60.0190.21916.83
7.4.50.0000.15016.57
7.4.40.0060.27216.68
7.4.30.0170.27216.80
7.4.00.0070.18215.34
7.3.330.0030.15113.43
7.3.320.0000.15313.59
7.3.310.0060.14816.41
7.3.300.0000.15516.50
7.3.290.0040.23316.60
7.3.280.0090.20816.60
7.3.270.0120.19217.40
7.3.260.0120.19516.71
7.3.250.0130.20316.74
7.3.240.0140.23716.68
7.3.230.0070.20416.70
7.3.210.0130.20716.59
7.3.200.0160.18816.58
7.3.190.0060.22716.61
7.3.180.0070.19316.84
7.3.170.0160.25616.67
7.3.160.0130.18016.54
7.3.120.0030.21315.12
7.3.110.0070.21214.82
7.3.100.0000.15514.89
7.3.90.0070.15915.01
7.3.80.0100.15315.08
7.3.70.0000.14814.97
7.3.60.0030.14915.18
7.3.50.0070.14815.06
7.3.40.0070.14115.05
7.3.30.0030.14614.92
7.3.20.0100.13916.68
7.3.10.0030.14516.59
7.3.00.0000.15916.71
7.2.330.0030.27517.03
7.2.320.0000.19917.05
7.2.310.0190.19416.67
7.2.300.0030.22016.96
7.2.290.0070.18417.05
7.2.250.0030.20115.60
7.2.240.0030.17415.16
7.2.230.0070.20615.47
7.2.220.0030.15415.15
7.2.210.0070.15015.34
7.2.200.0000.14815.46
7.2.190.0030.14415.02
7.2.180.0030.14815.13
7.2.170.0100.18615.25
7.2.60.0100.11316.99
7.2.00.0000.14519.32
7.1.330.0000.25315.59
7.1.320.0070.26615.96
7.1.310.0000.24715.80
7.1.300.0070.26715.67
7.1.290.0030.26415.93
7.1.280.0130.29915.71
7.1.270.0000.23915.97
7.1.260.0070.22515.90
7.1.200.0000.13015.85
7.1.100.0100.14618.33
7.1.70.0000.13517.26
7.1.60.0100.19419.24
7.1.50.0070.14116.71
7.1.00.0000.27022.54
7.0.200.0930.12215.17
7.0.100.0100.26320.14
7.0.90.0170.19320.20
7.0.80.0270.19720.24
7.0.70.0100.21320.08
7.0.60.0070.23720.13
7.0.50.0070.22720.58
7.0.40.0170.20020.18
7.0.30.0000.17020.17
7.0.20.0070.17720.14
7.0.10.0200.20720.05
7.0.00.0130.18020.08
5.6.280.0030.03320.86
5.6.250.0130.07720.59
5.6.240.0170.07720.52
5.6.230.0130.07720.70
5.6.220.0100.08320.62
5.6.210.0130.06720.66
5.6.200.0100.07720.96
5.6.190.0030.09021.05
5.6.180.0170.07320.91
5.6.170.0070.05021.02
5.6.160.0170.05721.10
5.6.150.0030.05720.99
5.6.140.0000.04321.04
5.6.130.0100.08021.07
5.6.120.0000.04321.05
5.6.110.0100.07721.17
5.6.100.0130.07720.91
5.6.90.0070.07020.90
5.6.80.0100.07720.47
5.6.70.0070.08020.48
5.6.60.0170.06720.41
5.6.50.0130.08020.44
5.6.40.0100.07320.48
5.6.30.0070.07020.48
5.6.20.0000.08720.50
5.6.10.0030.06720.41
5.6.00.0170.05020.43
5.5.380.0100.07020.37
5.5.370.0100.04720.38
5.5.360.0000.09720.44
5.5.350.0170.07020.34
5.5.340.0100.07320.89
5.5.330.0100.07320.82
5.5.320.0100.07720.82
5.5.310.0170.06720.78
5.5.300.0000.04320.84
5.5.290.0030.04720.62
5.5.280.0030.08720.92
5.5.270.0030.08720.93
5.5.260.0100.07020.64
5.5.250.0070.08020.72
5.5.240.0030.05020.08
5.5.230.0000.06020.19
5.5.220.0100.07320.16
5.5.210.0000.05720.27
5.5.200.0100.07720.27
5.5.190.0030.06320.19
5.5.180.0030.06020.11
5.5.160.0100.07020.12
5.5.150.0200.06020.25
5.5.140.0070.06720.16
5.5.130.0100.07020.21
5.5.120.0030.08020.15
5.5.110.0100.08020.18
5.5.100.0100.07720.18
5.5.90.0030.08020.02
5.5.80.0100.07320.01
5.5.70.0200.06320.06
5.5.60.0030.04020.13
5.5.50.0030.05720.04
5.5.40.0100.07020.15
5.5.30.0000.06720.01
5.5.20.0200.03720.07
5.5.10.0100.03320.02
5.5.00.0030.07720.09

preferences:
64.8 ms | 401 KiB | 5 Q