3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { protected $_iterator; protected $_appendIterator; public function __construct($appendIterator = true) { $this->_appendIterator = $appendIterator; $arrayIterator= new ArrayIterator([$this, $this, $this, $this]); if ($appendIterator) { $this->_iterator = new AppendIterator(); $this->_iterator->append($arrayIterator); } else { $this->_iterator = $arrayIterator; } } public function __destruct() { echo 'destructing A::class(' . var_export($this->_appendIterator, true) .') ' . PHP_EOL; } } echo "Running with AppendIterator(): " . PHP_EOL; $mStart = memory_get_usage(); for ($i = 0; $i < 10; $i++) new A(); echo memory_get_usage() - $mStart . " memory increase " . PHP_EOL; echo "Running GC.." . PHP_EOL; echo "Found " . gc_collect_cycles() . " cycles..." . PHP_EOL . PHP_EOL; echo "Running without AppendIterator(): " . PHP_EOL; $mStart = memory_get_usage(); for ($i = 0; $i < 10; $i++) new A(false); echo memory_get_usage() - $mStart . " memory increase " . PHP_EOL; echo "Running GC.." . PHP_EOL; echo "Found " . gc_collect_cycles() . " cycles..." . PHP_EOL; echo "Done!" . PHP_EOL . 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)
7.4.10.0030.01414.97
7.4.00.0110.00715.05
7.3.130.0070.01114.93
7.3.120.0070.01114.73
7.3.110.0030.01314.76
7.3.100.0050.00914.88
7.3.90.0070.00514.89
7.3.80.0050.00714.84
7.3.70.0060.00914.79
7.3.60.0080.00714.85
7.3.50.0060.00614.79
7.3.40.0090.00414.79
7.3.30.0030.01014.86
7.3.20.0030.01116.71
7.3.10.0060.00616.53
7.3.00.0050.00916.54
7.2.260.0100.01014.73
7.2.250.0070.01115.07
7.2.240.0070.00915.26
7.2.230.0050.00915.10
7.2.220.0040.01115.12
7.2.210.0090.00615.10
7.2.200.0040.01015.10
7.2.190.0070.00715.05
7.2.180.0090.00615.06
7.2.170.0040.01215.07
7.2.160.0030.00915.10
7.2.150.0050.01016.93
7.2.140.0090.00616.95
7.2.130.0080.00816.89
7.2.120.0090.00516.70
7.2.110.0100.00916.87
7.2.100.0070.00916.92
7.2.90.0040.01316.91
7.2.80.0090.01016.86
7.2.70.0060.01016.86
7.2.60.0100.00716.93
7.2.50.0120.00416.90
7.2.40.0090.00916.93
7.2.30.0060.01116.88
7.2.20.0130.00316.88
7.2.10.0060.00916.92
7.2.00.0050.01017.58
7.1.330.0060.00915.79
7.1.320.0020.01215.77
7.1.310.0070.00715.72
7.1.300.0030.01015.80
7.1.290.0060.00515.85
7.1.280.0040.01015.63
7.1.270.0070.00415.71
7.1.260.0060.00715.84
7.1.250.0050.00815.86
7.1.240.0000.01215.62
7.1.230.0030.00915.85
7.1.220.0070.01015.96
7.1.210.0040.01516.02
7.1.200.0030.00915.78
7.1.190.0070.00715.89
7.1.180.0070.01015.57
7.1.170.0070.00715.79
7.1.160.0000.01415.63
7.1.150.0030.00715.70
7.1.140.0070.00715.55
7.1.130.0090.00315.75
7.1.120.0100.00315.58
7.1.110.0030.01215.96
7.1.100.0000.01215.63
7.1.90.0100.00315.61
7.1.80.0100.00315.70
7.1.70.0030.00816.39
7.1.60.0670.00824.62
7.1.50.0600.01524.41
7.1.40.0890.00624.18
7.1.30.1060.01024.34
7.1.20.0660.00824.21
7.1.10.0870.01215.45
7.1.00.0670.01015.49
7.0.330.0060.00615.43
7.0.320.0030.01315.18
7.0.310.0000.01215.31
7.0.300.0070.00715.45
7.0.290.0040.01115.47
7.0.280.0000.01215.33
7.0.270.0120.00315.41
7.0.260.0030.01015.26
7.0.250.0030.00615.27
7.0.240.0080.00415.20
7.0.230.0030.00615.42
7.0.220.0000.00815.49
7.0.210.0060.00915.26
7.0.200.0930.01015.17
7.0.190.1130.01115.09
7.0.180.0800.01515.03
7.0.170.1130.01214.83
7.0.160.1580.00615.04
7.0.150.0860.01414.78
7.0.140.0750.00514.96
7.0.130.0670.00715.00
7.0.120.0590.00615.10
7.0.110.0530.01014.86
7.0.100.0750.01314.98
7.0.90.0650.00815.01
7.0.80.0820.00715.06
7.0.70.0670.00914.96
7.0.60.0740.00814.92
7.0.50.0700.01015.09
7.0.40.0620.00714.20
7.0.30.0480.01414.13
7.0.20.0580.01313.97
7.0.10.0600.00714.25
7.0.00.0590.01114.11
5.6.400.0060.00914.61
5.6.390.0080.00414.60
5.6.380.0060.01314.32
5.6.370.0090.00614.20
5.6.360.0030.00614.66
5.6.350.0040.01414.36
5.6.340.0080.00314.61
5.6.330.0080.00314.13
5.6.320.0030.01014.62
5.6.310.0040.01114.43
5.6.300.0060.01114.55
5.6.290.0110.00314.44
5.6.280.0070.00714.16
5.6.270.0030.00714.77
5.6.260.0070.00714.23
5.6.250.0000.01314.27
5.6.240.0030.01014.56
5.6.230.0110.00314.46
5.6.220.0090.00614.52
5.6.210.0100.00714.63
5.6.200.0030.01314.50
5.6.190.0030.00714.49
5.6.180.0000.01314.20
5.6.170.0030.00614.34
5.6.160.0000.01614.33
5.6.150.0000.01414.29
5.6.140.0070.01114.37
5.6.130.0090.00614.50
5.6.120.0080.00614.52
5.6.110.0070.00714.38
5.6.100.0100.00314.46
5.6.90.0040.00714.54
5.6.80.0040.00814.31
5.6.70.0070.00714.11
5.6.60.0060.00914.18
5.6.50.0060.00914.45
5.6.40.0100.00014.38
5.6.30.0150.00314.24
5.6.20.0130.00314.20
5.6.10.0110.00614.36
5.6.00.0060.01314.38

preferences:
38.15 ms | 404 KiB | 6 Q