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 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(); } } $it = new foo(); foreach ($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)
8.3.60.0150.00317.00
8.3.50.0150.00316.47
8.3.40.0060.00918.66
8.3.30.0040.01118.79
8.3.20.0080.00021.95
8.3.10.0080.00023.53
8.3.00.0050.00322.10
8.2.180.0110.00716.88
8.2.170.0140.00422.96
8.2.160.0100.01019.21
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0000.00819.17
8.2.120.0000.00826.35
8.2.110.0070.00419.38
8.2.100.0040.00718.18
8.2.90.0060.00319.31
8.2.80.0030.00517.97
8.2.70.0050.00318.03
8.2.60.0080.00018.22
8.2.50.0000.00818.10
8.2.40.0030.00520.52
8.2.30.0030.00519.49
8.2.20.0040.00418.05
8.2.10.0080.00018.20
8.2.00.0070.00018.23
8.1.280.0150.00325.92
8.1.270.0050.00322.14
8.1.260.0030.00626.35
8.1.250.0080.00028.09
8.1.240.0090.00022.24
8.1.230.0030.00820.79
8.1.220.0000.00817.74
8.1.210.0060.00318.77
8.1.200.0060.00317.36
8.1.190.0030.00617.35
8.1.180.0000.00818.10
8.1.170.0060.00318.99
8.1.160.0070.00019.06
8.1.150.0040.00420.71
8.1.140.0050.00219.66
8.1.130.0040.00418.93
8.1.120.0040.00417.42
8.1.110.0070.00017.46
8.1.100.0000.00817.52
8.1.90.0040.00417.51
8.1.80.0040.00417.57
8.1.70.0030.00317.50
8.1.60.0030.00617.63
8.1.50.0040.00417.46
8.1.40.0030.00617.55
8.1.30.0040.00417.63
8.1.20.0030.00517.69
8.1.10.0040.00417.60
8.1.00.0040.00417.45
8.0.300.0060.00321.27
8.0.290.0060.00316.88
8.0.280.0040.00418.54
8.0.270.0000.00817.29
8.0.260.0030.00316.81
8.0.250.0060.00017.05
8.0.240.0030.00317.07
8.0.230.0060.00317.04
8.0.220.0030.00316.92
8.0.210.0030.00316.98
8.0.200.0040.00417.01
8.0.190.0030.00516.98
8.0.180.0050.00316.84
8.0.170.0000.00717.02
8.0.160.0040.00416.90
8.0.150.0030.00616.86
8.0.140.0040.00416.79
8.0.130.0030.00313.34
8.0.120.0000.00816.92
8.0.110.0040.00416.80
8.0.100.0040.00416.73
8.0.90.0040.00416.88
8.0.80.0130.01016.91
8.0.70.0000.00716.98
8.0.60.0040.00417.01
8.0.50.0040.00416.76
8.0.30.0120.00817.06
8.0.20.0070.01317.40
8.0.10.0040.00417.05
8.0.00.0100.00716.77
7.4.330.0050.00015.55
7.4.320.0000.00616.64
7.4.300.0000.00616.54
7.4.290.0040.00416.64
7.4.280.0030.00616.62
7.4.270.0000.00616.67
7.4.260.0000.00716.43
7.4.250.0000.00816.47
7.4.240.0060.00316.41
7.4.230.0000.00716.63
7.4.220.0070.01316.73
7.4.210.0120.00316.58
7.4.200.0080.00016.74
7.4.160.0090.00716.43
7.4.150.0150.00417.40
7.4.140.0080.01217.86
7.4.130.0170.01116.62
7.4.120.0130.01016.62
7.4.110.0110.00616.53
7.4.100.0030.01416.44
7.4.90.0130.00416.52
7.4.80.0140.00419.39
7.4.70.0150.00516.51
7.4.60.0090.00616.55
7.4.50.0030.01016.59
7.4.40.0090.00916.58
7.4.30.0030.01316.61
7.4.00.0070.01215.09
7.3.330.0000.00713.33
7.3.320.0030.00313.21
7.3.310.0030.00316.25
7.3.300.0030.00416.29
7.3.290.0080.00816.38
7.3.280.0090.00816.37
7.3.270.0090.01517.40
7.3.260.0120.00616.50
7.3.250.0070.01316.33
7.3.240.0120.00516.51
7.3.230.0110.01116.54
7.3.210.0070.01016.59
7.3.200.0090.01216.41
7.3.190.0080.00816.45
7.3.180.0030.01516.65
7.3.170.0040.01216.39
7.3.160.0080.01316.41
7.3.120.0070.01014.59
7.3.110.0070.00714.57
7.3.100.0000.01614.84
7.3.90.0000.01114.95
7.3.80.0070.00714.86
7.3.70.0060.00914.83
7.3.60.0040.01115.03
7.3.50.0060.01014.95
7.3.40.0070.01114.94
7.3.30.0070.00714.97
7.3.20.0070.00716.40
7.3.10.0000.01216.64
7.3.00.0130.00316.52
7.2.330.0060.01216.76
7.2.320.0100.00716.88
7.2.310.0070.01016.96
7.2.300.0060.01016.59
7.2.290.0070.01816.60
7.2.250.0070.01115.27
7.2.240.0070.01015.07
7.2.230.0090.00615.00
7.2.220.0030.00915.05
7.2.210.0040.01215.25
7.2.200.0070.00715.18
7.2.190.0090.00615.05
7.2.180.0060.00915.22
7.2.170.0000.01815.00
7.2.90.0070.01016.77
7.2.80.0070.00916.57
7.2.70.0130.00416.91
7.2.60.0030.01316.92
7.2.50.0070.01116.86
7.2.40.1060.01616.92
7.2.30.0070.01317.02
7.2.20.0070.00716.68
7.2.10.0130.00016.70
7.2.00.0550.00716.91
7.1.330.0040.01215.57
7.1.320.0070.00815.82
7.1.310.0080.00815.73
7.1.300.0070.00615.69
7.1.290.0070.01015.55
7.1.280.0040.00715.79
7.1.270.0070.00715.54
7.1.260.0030.00615.96
7.1.210.0060.00915.49
7.1.200.0040.00815.68
7.1.190.0840.00013.97
7.1.180.0040.01115.96
7.1.170.0110.00515.94
7.1.160.0120.00515.93
7.1.150.0100.00815.95
7.1.140.0050.01015.70
7.1.130.0080.00415.70
7.1.120.0130.00016.02
7.1.110.0080.00615.76
7.1.100.0040.00815.43
7.1.90.0040.01215.71
7.1.80.0090.00415.90
7.1.70.0130.00315.90
7.1.60.0300.00333.47
7.1.50.0370.00933.83
7.1.40.0180.01233.82
7.1.30.0240.01733.73
7.1.20.0810.01133.71
7.1.10.0110.00515.89
7.1.00.0140.00015.52
7.0.310.0110.00415.23
7.0.300.0060.00915.21
7.0.290.0060.00615.31
7.0.280.0040.00815.43
7.0.270.0090.00615.27
7.0.260.0050.01115.40
7.0.250.0130.00015.39
7.0.240.0050.00615.47
7.0.230.0080.00815.18
7.0.220.0080.00515.23
7.0.210.0080.00715.55
7.0.200.0060.00915.30
7.0.190.0000.01615.32
7.0.180.0100.00815.38
7.0.170.0060.00615.24
7.0.160.0120.00615.35
7.0.150.0070.00715.40
7.0.140.0500.00615.45
7.0.130.0030.00915.31
7.0.120.0070.00415.37
7.0.110.0070.00415.46
7.0.100.0420.00315.38
7.0.90.0420.00315.41
7.0.80.0060.00415.57
7.0.70.0320.00715.24
7.0.60.0000.01214.99
7.0.50.0510.00715.48
7.0.40.0060.00815.42
7.0.30.0420.00413.50
7.0.20.0040.00815.43
7.0.10.0410.00615.36
7.0.00.0000.01415.47

preferences:
49.52 ms | 401 KiB | 5 Q