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') { $this->$name = $this->$name(); } } public function many() { $a = array(88,99,11); return $a[$this->key]; } 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)
8.3.40.0040.01118.87
8.3.30.0110.00418.80
8.3.20.0050.00320.25
8.3.10.0060.00323.71
8.3.00.0080.00021.95
8.2.170.0150.00322.96
8.2.160.0100.00319.01
8.2.150.0060.00324.18
8.2.140.0040.00424.66
8.2.130.0040.00719.30
8.2.120.0000.00826.35
8.2.110.0060.00320.58
8.2.100.0060.00617.84
8.2.90.0040.00419.17
8.2.80.0040.00417.97
8.2.70.0030.00617.63
8.2.60.0030.00618.16
8.2.50.0060.00318.16
8.2.40.0040.00420.45
8.2.30.0040.00419.29
8.2.20.0080.00018.16
8.2.10.0040.00418.07
8.2.00.0040.00418.03
8.1.270.0000.00722.09
8.1.260.0080.00026.35
8.1.250.0080.00028.09
8.1.240.0080.00022.07
8.1.230.0090.00318.99
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0030.00617.23
8.1.190.0080.00017.22
8.1.180.0040.00418.10
8.1.170.0050.00318.59
8.1.160.0050.00318.97
8.1.150.0050.00320.67
8.1.140.0040.00419.61
8.1.130.0070.00018.89
8.1.120.0000.00817.51
8.1.110.0000.00817.48
8.1.100.0040.00417.39
8.1.90.0000.00817.49
8.1.80.0070.00017.46
8.1.70.0000.00717.50
8.1.60.0040.00417.53
8.1.50.0040.00417.56
8.1.40.0040.00417.46
8.1.30.0000.00917.52
8.1.20.0040.00417.66
8.1.10.0030.00617.52
8.1.00.0080.00017.46
8.0.300.0040.00418.77
8.0.290.0090.00016.63
8.0.280.0040.00418.42
8.0.270.0050.00217.30
8.0.260.0070.00016.71
8.0.250.0040.00416.96
8.0.240.0000.00816.89
8.0.230.0000.01116.90
8.0.220.0000.00716.88
8.0.210.0040.00416.94
8.0.200.0070.00016.98
8.0.190.0040.00417.02
8.0.180.0040.00416.84
8.0.170.0040.00416.99
8.0.160.0000.00716.96
8.0.150.0050.00316.94
8.0.140.0050.00216.88
8.0.130.0000.00613.42
8.0.120.0070.00016.85
8.0.110.0040.00416.78
8.0.100.0030.00616.96
8.0.90.0000.00716.82
8.0.80.0120.00616.93
8.0.70.0040.00416.96
8.0.60.0030.00516.99
8.0.50.0070.00016.82
8.0.30.0070.00917.19
8.0.20.0120.00817.40
8.0.10.0000.00917.08
8.0.00.0130.00716.75
7.4.330.0000.00515.55
7.4.320.0030.00316.52
7.4.300.0030.00316.52
7.4.290.0030.00316.64
7.4.280.0030.00616.54
7.4.270.0070.00016.59
7.4.260.0080.00016.55
7.4.250.0030.00516.51
7.4.240.0040.00416.41
7.4.230.0040.00416.70
7.4.220.0130.00616.66
7.4.210.0120.00316.66
7.4.200.0040.00416.54
7.4.160.0110.00816.49
7.4.150.0110.00617.40
7.4.140.0130.00917.86
7.4.130.0090.01216.55
7.4.120.0120.00816.54
7.4.110.0100.00616.66
7.4.100.0030.01516.60
7.4.90.0140.00316.67
7.4.80.0080.01119.39
7.4.70.0030.01316.46
7.4.60.0090.00616.42
7.4.50.0040.01416.36
7.4.40.0130.00316.68
7.4.30.0060.01216.52
7.4.00.0040.01415.11
7.3.330.0070.00213.20
7.3.320.0030.00313.33
7.3.310.0050.00216.37
7.3.300.0030.00316.28
7.3.290.0050.01116.38
7.3.280.0080.00916.38
7.3.270.0110.00617.40
7.3.260.0100.00716.49
7.3.250.0120.00716.54
7.3.240.0070.01216.36
7.3.230.0140.00916.41
7.3.210.0110.00716.54
7.3.200.0080.00816.68
7.3.190.0080.00916.31
7.3.180.0040.01216.43
7.3.170.0170.00316.64
7.3.160.0120.00416.61
7.3.120.0070.01114.93
7.3.110.0100.00714.66
7.3.100.0040.01214.71
7.3.90.0090.00314.75
7.3.80.0040.00814.73
7.3.70.0000.01514.87
7.3.60.0100.00714.80
7.3.50.0100.00314.71
7.3.40.0040.00814.47
7.3.30.0000.01314.58
7.3.20.0040.01216.64
7.3.10.0120.00416.47
7.3.00.0060.00816.47
7.2.330.0150.00316.54
7.2.320.0170.00016.91
7.2.310.0030.01416.86
7.2.300.0150.00316.50
7.2.290.0060.01116.47
7.2.250.0000.01315.29
7.2.240.0080.01214.87
7.2.230.0100.00715.24
7.2.220.0030.00914.84
7.2.210.0060.00915.26
7.2.200.0000.01315.03
7.2.190.0040.01115.05
7.2.180.0070.01014.75
7.2.170.0070.00715.00
7.2.130.0080.01616.57
7.2.120.0120.00916.75
7.2.110.0100.00616.40
7.2.100.0140.00616.64
7.2.90.0330.00615.67
7.2.80.0400.00815.64
7.2.70.0320.00515.75
7.2.60.0270.00516.01
7.2.50.0250.00816.05
7.2.40.0380.00515.99
7.2.30.0350.00815.82
7.2.20.0320.00915.85
7.2.10.0250.00815.47
7.2.00.0100.00915.85
7.1.330.0040.00715.78
7.1.320.0040.01115.71
7.1.310.0050.00815.55
7.1.300.0050.00515.86
7.1.290.0000.01315.98
7.1.280.0070.00415.80
7.1.270.0070.00715.77
7.1.260.0030.00715.86
7.1.250.0180.00615.48
7.1.210.0420.01014.00
7.1.200.0610.00914.03
7.1.190.0630.01313.82
7.1.180.0340.00614.04
7.1.170.0200.00313.93
7.1.160.0310.00613.91
7.1.150.0510.00313.68
7.1.140.0090.00913.99
7.1.130.1020.00613.89
7.1.120.0170.01714.07
7.1.110.0300.00813.89
7.1.100.0430.00814.11
7.1.90.0150.00314.05
7.1.80.0820.01313.93
7.1.70.0450.01313.62
7.1.60.0230.01631.80
7.1.50.0620.00931.69
7.1.40.0530.00631.99
7.1.30.0570.00631.91
7.1.20.0380.00631.96
7.1.10.0500.00313.95
7.1.00.0130.00813.88
7.0.310.0510.00413.40
7.0.300.0780.00613.36
7.0.290.0490.00613.38
7.0.280.1620.00313.53
7.0.270.0090.00313.61
7.0.260.1170.01313.50
7.0.250.0140.00513.64
7.0.240.0220.00513.63
7.0.230.0390.00813.54
7.0.220.0370.00713.73
7.0.210.0430.00713.71
7.0.200.0310.00713.66
7.0.190.0770.00613.56
7.0.180.0410.00013.56
7.0.170.0320.00713.73
7.0.160.0130.00313.77
7.0.150.0550.00013.51
7.0.140.0070.01013.67
7.0.130.0150.00013.51
7.0.120.0910.00313.77
7.0.110.0540.00613.54
7.0.100.0680.00313.80
7.0.90.0380.01013.71
7.0.80.0530.00913.74
7.0.70.0590.00013.82
7.0.60.0500.01313.53
7.0.50.0580.01013.59
7.0.40.0500.00713.73
7.0.30.0620.00313.58
7.0.20.0620.00913.70
7.0.10.0680.00313.64
7.0.00.0470.00713.70

preferences:
44.19 ms | 400 KiB | 5 Q