3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyIterator implements Iterator { private static $data; 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]; } } public function many() { if(! self::$data){ self::$data = array(88,99,11); } return self::$data[$this->key]; } public function manys() { if(! self::$data){ self::$data = array(55,98,71); } return self::$data[$this->key]; } public function rewind() { self::$data = null; echo "rewinding\n"; reset($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(); } public function test2(){ return $this->manys(); } } $it = new foo(); foreach ($it as $a => $b) { echo PHP_EOL . $it->test() . PHP_EOL . PHP_EOL; echo PHP_EOL . $it->test2() . PHP_EOL . PHP_EOL; print "$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)
8.3.70.0130.00616.73
8.3.60.0110.00816.75
8.3.50.0090.01016.65
8.3.40.0040.01119.02
8.3.30.0070.00718.96
8.3.20.0070.00020.34
8.3.10.0060.00323.35
8.3.00.0040.00421.96
8.2.180.0070.01116.50
8.2.170.0100.00722.96
8.2.160.0090.00619.21
8.2.150.0090.00024.18
8.2.140.0080.00024.66
8.2.130.0050.00319.32
8.2.120.0040.01126.35
8.2.110.0070.00321.24
8.2.100.0080.00417.66
8.2.90.0050.00319.34
8.2.80.0040.00417.97
8.2.70.0030.00917.63
8.2.60.0040.00417.93
8.2.50.0080.00018.10
8.2.40.0040.00420.44
8.2.30.0030.00519.20
8.2.20.0040.00418.12
8.2.10.0050.00218.17
8.2.00.0020.00518.20
8.1.280.0070.01125.92
8.1.270.0040.00423.88
8.1.260.0040.00426.35
8.1.250.0050.00328.09
8.1.240.0030.00720.90
8.1.230.0070.00422.11
8.1.220.0000.00817.79
8.1.210.0080.00318.77
8.1.200.0100.00017.36
8.1.190.0000.00817.36
8.1.180.0030.00518.10
8.1.170.0070.00018.84
8.1.160.0040.00319.03
8.1.150.0000.00820.63
8.1.140.0000.00719.66
8.1.130.0000.01118.96
8.1.120.0000.00717.51
8.1.110.0060.00317.45
8.1.100.0040.00417.51
8.1.90.0000.00717.34
8.1.80.0000.00717.50
8.1.70.0030.00317.50
8.1.60.0090.00017.60
8.1.50.0030.00517.57
8.1.40.0050.00317.56
8.1.30.0000.00817.60
8.1.20.0040.00417.72
8.1.10.0040.00417.59
8.1.00.0000.00817.39
8.0.300.0070.00018.77
8.0.290.0080.00016.63
8.0.280.0000.00818.46
8.0.270.0030.00517.19
8.0.260.0030.00316.83
8.0.250.0070.00016.96
8.0.240.0040.00417.02
8.0.230.0060.00316.96
8.0.220.0000.00716.94
8.0.210.0040.00416.93
8.0.200.0030.00317.03
8.0.190.0040.00416.95
8.0.180.0060.00316.96
8.0.170.0000.00816.99
8.0.160.0000.00716.90
8.0.150.0070.00016.84
8.0.140.0040.00416.88
8.0.130.0000.00813.40
8.0.120.0050.00316.90
8.0.110.0050.00316.79
8.0.100.0030.00516.80
8.0.90.0020.00516.98
8.0.80.0140.00616.86
8.0.70.0040.00416.85
8.0.60.0000.01016.70
8.0.50.0040.00416.89
8.0.30.0100.01117.12
8.0.20.0130.00817.41
8.0.10.0030.00616.99
8.0.00.0070.01016.72
7.4.330.0000.00515.55
7.4.320.0060.00016.52
7.4.300.0030.00316.38
7.4.290.0040.00416.53
7.4.280.0090.00016.40
7.4.270.0040.00416.54
7.4.260.0050.00316.63
7.4.250.0000.00816.52
7.4.240.0050.00216.51
7.4.230.0000.00716.45
7.4.220.0100.00716.62
7.4.210.0030.01616.49
7.4.200.0030.00316.32
7.4.160.0110.00716.62
7.4.150.0060.01317.40
7.4.140.0110.00817.86
7.4.130.0100.01016.48
7.4.120.0140.00516.49
7.4.110.0000.01716.57
7.4.100.0050.01116.37
7.4.90.0030.01516.50
7.4.80.0090.00919.39
7.4.70.0110.00616.48
7.4.60.0090.00816.59
7.4.50.0090.00316.43
7.4.40.0130.00316.50
7.4.30.0140.00316.60
7.4.00.0030.00915.18
7.3.330.0080.00013.33
7.3.320.0030.00313.27
7.3.310.0070.00016.29
7.3.300.0050.00316.41
7.3.290.0050.01016.38
7.3.280.0090.01016.39
7.3.270.0090.00917.40
7.3.260.0100.01016.59
7.3.250.0090.01016.41
7.3.240.0050.01416.35
7.3.230.0150.00716.51
7.3.210.0130.00316.54
7.3.200.0130.00916.44
7.3.190.0090.00816.69
7.3.180.0100.00716.44
7.3.170.0070.01016.63
7.3.160.0090.00816.54
7.3.10.0070.00716.50
7.3.00.0080.00416.70
7.2.330.0040.01516.63
7.2.320.0060.01816.80
7.2.310.0070.01016.60
7.2.300.0060.01116.80
7.2.290.0060.02016.88
7.2.130.0030.01017.00
7.2.120.0070.00716.85
7.2.110.0000.01417.10
7.2.100.0060.00616.95
7.2.90.0770.00716.03
7.2.80.0230.00816.03
7.2.70.0100.00316.07
7.2.60.0130.00416.10
7.2.50.0170.01016.02
7.2.40.0640.00816.09
7.2.30.0120.00815.91
7.2.20.0110.00816.05
7.2.10.0650.00516.07
7.2.00.0810.00516.05
7.1.250.0060.00615.85
7.1.210.2630.00713.77
7.1.200.2130.00314.07
7.1.190.0090.00613.98
7.1.180.0070.01313.60
7.1.170.0120.00813.91
7.1.160.0090.00914.16
7.1.150.0250.01114.03
7.1.140.0130.00514.16
7.1.130.0390.00713.71
7.1.120.1050.01214.16
7.1.110.0810.00913.88
7.1.100.0190.00713.92
7.1.90.0150.00013.71
7.1.80.0200.00013.88
7.1.70.1870.00613.99
7.1.60.0240.01431.94
7.1.50.0650.01431.82
7.1.40.2370.01031.70
7.1.30.0290.00331.95
7.1.20.0240.00931.93
7.1.10.0120.00313.89
7.1.00.0040.00814.02
7.0.310.0690.00613.65
7.0.300.0150.00913.67
7.0.290.0130.00813.65
7.0.280.0000.01913.53
7.0.270.0190.00813.51
7.0.260.0160.00513.59
7.0.250.0430.01313.61
7.0.240.0040.01313.57
7.0.230.0180.00313.58
7.0.220.0230.00713.77
7.0.210.1400.00013.83
7.0.200.0580.00713.44
7.0.190.0240.00313.61
7.0.180.0440.01413.88
7.0.170.1770.00613.38
7.0.160.0080.00813.84
7.0.150.1220.00313.68
7.0.140.0610.00413.76
7.0.130.0090.00313.65
7.0.120.0180.01113.61
7.0.110.0160.00313.65
7.0.100.0140.00913.74
7.0.90.0500.01113.86
7.0.80.0170.00413.52
7.0.70.0160.01013.62
7.0.60.0340.01113.62
7.0.50.0890.00713.82
7.0.40.0090.00613.84
7.0.30.0560.00613.49
7.0.20.0850.00313.57
7.0.10.0410.01013.85
7.0.00.0710.00313.71

preferences:
59.18 ms | 401 KiB | 5 Q