3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyIterator implements Iterator { private $var = array(1,2,3); private $current; private $key; public function __construct($array = null) { if (is_array($array)) { $this->var = $array; } } public function __set($name, $value) { return $this->var[$name] = $value; } public function __get($name) { if (isset($this->var[$name])) { return $this->var[$name]; } if ($name == 'test') { $class = get_called_class(); return $this->var[$name] = (new $class())->$name(); } } public function many() { $a = array(88,99,11); return $a[1]; } public function rewind() { echo "rewinding\n"; reset($this->var); } public function current() { $var = current($this->var); $this->current = $var; echo "current: $var\n"; return $var; } public function key() { $var = key($this->var); $this->key = $var; echo "key: $var\n"; return $var; } public function next() { $var = next($this->var); echo "next: $var\n"; return $var; } public function valid() { $key = key($this->var); $var = ($key !== NULL && $key !== FALSE); echo "valid: $var\n"; return $var; } } class foo extends MyIterator{ public function test(){ return $this->many(); } } $it = new foo(); foreach ($it as $a => $b) { echo PHP_EOL . $it->test() . PHP_EOL . PHP_EOL; print "$a: $b\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)
8.3.40.0100.00318.84
8.3.30.0090.00618.93
8.3.20.0030.00520.34
8.3.10.0000.00823.61
8.3.00.0040.00422.09
8.2.170.0090.00622.96
8.2.160.0030.01019.04
8.2.150.0070.00024.18
8.2.140.0030.00524.66
8.2.130.0060.00319.37
8.2.120.0040.00426.35
8.2.110.0030.00622.08
8.2.100.0070.00719.70
8.2.90.0030.00519.21
8.2.80.0060.00317.97
8.2.70.0040.00417.75
8.2.60.0030.00617.93
8.2.50.0030.00518.10
8.2.40.0000.00920.43
8.2.30.0040.00419.50
8.2.20.0000.00818.23
8.2.10.0040.00418.17
8.2.00.0040.00418.10
8.1.270.0030.00522.24
8.1.260.0000.00826.35
8.1.250.0050.00328.09
8.1.240.0030.00620.88
8.1.230.0000.01119.17
8.1.220.0080.00017.74
8.1.210.0040.00418.77
8.1.200.0100.00017.35
8.1.190.0080.00017.35
8.1.180.0030.00518.10
8.1.170.0000.00918.65
8.1.160.0000.00718.96
8.1.150.0000.00820.67
8.1.140.0000.00719.62
8.1.130.0000.00718.94
8.1.120.0000.00817.56
8.1.110.0050.00217.50
8.1.100.0000.00717.39
8.1.90.0040.00417.54
8.1.80.0050.00317.48
8.1.70.0000.00717.52
8.1.60.0080.00017.64
8.1.50.0080.00017.58
8.1.40.0000.00817.54
8.1.30.0070.00017.73
8.1.20.0040.00417.72
8.1.10.0080.00017.62
8.1.00.0000.00717.42
8.0.300.0030.00320.29
8.0.290.0040.00416.75
8.0.280.0040.00418.53
8.0.270.0000.00817.38
8.0.260.0000.00716.86
8.0.250.0030.00317.01
8.0.240.0040.00416.94
8.0.230.0060.00317.02
8.0.220.0030.00316.98
8.0.210.0080.00016.84
8.0.200.0030.00317.05
8.0.190.0080.00016.95
8.0.180.0040.00416.95
8.0.170.0000.00716.87
8.0.160.0040.00416.93
8.0.150.0040.00416.88
8.0.140.0040.00416.89
8.0.130.0030.00513.33
8.0.120.0040.00416.94
8.0.110.0040.00416.94
8.0.100.0000.00716.96
8.0.90.0040.00417.05
8.0.80.0090.01316.88
8.0.70.0040.00416.90
8.0.60.0080.00016.94
8.0.50.0040.00416.82
8.0.30.0130.00417.20
8.0.20.0080.01217.40
8.0.10.0000.00717.04
8.0.00.0090.00916.89
7.4.330.0000.00515.55
7.4.320.0000.00716.64
7.4.300.0060.00016.52
7.4.290.0030.00316.55
7.4.280.0080.00016.71
7.4.270.0000.00816.55
7.4.260.0040.00416.63
7.4.250.0000.00816.37
7.4.240.0000.00716.52
7.4.230.0030.00316.44
7.4.220.0100.00916.63
7.4.210.0060.01016.57
7.4.200.0070.00016.46
7.4.160.0110.00516.65
7.4.150.0130.00517.40
7.4.140.0110.00717.86
7.4.130.0100.00716.69
7.4.120.0150.00516.59
7.4.110.0100.01016.76
7.4.100.0140.00316.53
7.4.90.0130.00716.61
7.4.80.0070.01419.39
7.4.70.0110.00416.67
7.4.60.0100.00616.45
7.4.50.0060.00916.39
7.4.40.0130.01016.49
7.4.30.0060.01016.46
7.4.00.0030.01014.75
7.3.330.0050.00313.35
7.3.320.0030.00313.23
7.3.310.0070.00016.40
7.3.300.0000.00716.39
7.3.290.0050.00216.24
7.3.280.0090.00816.38
7.3.270.0070.01017.40
7.3.260.0100.01016.41
7.3.250.0090.01116.50
7.3.240.0110.00716.44
7.3.230.0160.00316.66
7.3.210.0120.00916.68
7.3.200.0070.01016.57
7.3.190.0030.01316.42
7.3.180.0060.01016.67
7.3.170.0060.01216.62
7.3.160.0070.01016.45
7.2.330.0110.00616.71
7.2.320.0090.00916.71
7.2.310.0060.01316.88
7.2.300.0140.00316.73
7.2.290.0060.01216.70
7.2.90.0170.00414.89
7.2.80.0060.01114.82
7.2.70.0660.01015.07
7.2.60.0610.01715.02
7.2.50.0130.01615.04
7.2.40.0250.00915.02
7.2.30.0760.00315.19
7.2.20.0150.00915.12
7.2.10.1190.01315.13
7.2.00.0140.00514.95
7.1.210.0090.01213.89
7.1.200.0130.00514.01
7.1.190.0270.00613.70
7.1.180.0130.00913.71
7.1.170.0240.01113.82
7.1.160.0870.00714.19
7.1.150.0810.00014.00
7.1.140.0870.00713.94
7.1.130.0160.00414.06
7.1.120.0120.00813.96
7.1.110.1110.01013.93
7.1.100.0180.00413.86
7.1.90.0740.00414.00
7.1.80.0760.00914.20
7.1.70.0950.01313.74
7.1.60.1000.01732.07
7.1.50.0840.00731.92
7.1.40.0720.01332.07
7.1.30.0820.00331.95
7.1.20.0770.01631.84
7.1.10.0640.01014.02
7.1.00.0790.00313.91
7.0.310.0940.01213.57
7.0.300.0900.00713.38
7.0.290.0770.00313.56
7.0.280.0890.00313.56
7.0.270.0850.00713.27
7.0.260.0150.00613.35
7.0.250.0780.01013.12
7.0.240.0140.01013.37
7.0.230.0810.01013.59
7.0.220.0920.01013.54
7.0.210.0760.00713.64
7.0.200.1230.00313.54
7.0.190.0520.01613.66
7.0.180.0630.00913.62
7.0.170.0140.00513.45
7.0.160.0650.01013.77
7.0.150.0100.00513.68
7.0.140.0070.00413.61
7.0.130.0730.00013.74
7.0.120.0720.00613.72
7.0.110.0480.00713.54
7.0.100.0130.00313.55
7.0.90.0140.00313.58
7.0.80.0900.00313.65
7.0.70.0630.00613.65
7.0.60.0830.00713.64
7.0.50.0650.00613.67
7.0.40.0670.00713.67
7.0.30.0690.00713.94
7.0.20.0650.00913.74
7.0.10.0620.00313.82
7.0.00.0610.00313.70

preferences:
46.03 ms | 400 KiB | 5 Q