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)
8.3.60.0040.01516.75
8.3.50.0150.00016.38
8.3.40.0090.00618.96
8.3.30.0070.00718.73
8.3.20.0080.00020.29
8.3.10.0080.00023.70
8.3.00.0040.00422.05
8.2.180.0090.00616.63
8.2.170.0120.00322.96
8.2.160.0070.00719.21
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0110.00019.21
8.2.120.0090.00326.35
8.2.110.0050.00522.26
8.2.100.0100.00517.68
8.2.90.0080.00019.39
8.2.80.0000.00918.03
8.2.70.0040.00417.50
8.2.60.0030.00618.16
8.2.50.0080.00018.10
8.2.40.0050.00320.42
8.2.30.0070.00019.47
8.2.20.0040.00418.14
8.2.10.0080.00018.19
8.2.00.0080.00018.04
8.1.280.0090.00625.92
8.1.270.0040.00422.06
8.1.260.0080.00026.35
8.1.250.0040.00428.09
8.1.240.0060.00319.13
8.1.230.0110.00022.81
8.1.220.0000.00817.74
8.1.210.0080.00018.77
8.1.200.0000.01017.35
8.1.190.0000.00817.22
8.1.180.0080.00018.10
8.1.170.0050.00318.29
8.1.160.0040.00419.06
8.1.150.0040.00420.60
8.1.140.0040.00419.63
8.1.130.0070.00018.86
8.1.120.0040.00417.46
8.1.110.0050.00317.38
8.1.100.0020.00517.52
8.1.90.0040.00417.34
8.1.80.0000.00817.54
8.1.70.0000.00717.40
8.1.60.0080.00017.65
8.1.50.0000.00817.48
8.1.40.0030.00617.55
8.1.30.0060.00317.59
8.1.20.0040.00417.66
8.1.10.0090.00017.63
8.1.00.0000.00817.60
8.0.300.0000.00720.04
8.0.290.0040.00416.88
8.0.280.0040.00418.49
8.0.270.0040.00417.30
8.0.260.0030.00316.86
8.0.250.0000.00717.02
8.0.240.0000.00816.89
8.0.230.0030.00616.99
8.0.220.0030.00316.82
8.0.210.0030.00516.83
8.0.200.0000.00717.04
8.0.190.0040.00417.05
8.0.180.0000.00817.00
8.0.170.0000.00816.91
8.0.160.0000.00816.90
8.0.150.0000.00716.85
8.0.140.0000.00716.81
8.0.130.0000.00613.41
8.0.120.0040.00416.96
8.0.110.0000.00716.79
8.0.100.0000.00716.88
8.0.90.0080.00016.98
8.0.80.0070.01616.92
8.0.70.0080.00016.85
8.0.60.0040.00416.98
8.0.50.0070.00016.73
8.0.30.0130.00517.25
8.0.20.0080.01117.42
8.0.10.0070.00017.03
8.0.00.0060.01217.01
7.4.330.0000.00515.55
7.4.320.0000.00716.48
7.4.300.0030.00316.63
7.4.290.0000.00716.58
7.4.280.0080.00016.63
7.4.270.0070.00016.66
7.4.260.0030.00316.46
7.4.250.0030.00516.53
7.4.240.0040.00416.67
7.4.230.0040.00416.38
7.4.220.0030.01616.67
7.4.210.0050.00916.68
7.4.200.0040.00416.74
7.4.160.0070.01116.61
7.4.150.0070.01017.40
7.4.140.0090.01217.86
7.4.130.0130.00716.63
7.4.120.0080.01016.65
7.4.110.0150.00316.70
7.4.100.0110.00716.55
7.4.90.0060.01216.60
7.4.80.0110.00719.39
7.4.70.0080.00816.47
7.4.60.0090.00616.43
7.4.50.0000.01416.37
7.4.40.0080.00816.51
7.4.30.0130.00316.37
7.4.00.0080.00915.17
7.3.330.0020.00513.38
7.3.320.0050.00013.39
7.3.310.0050.00216.38
7.3.300.0040.00416.25
7.3.290.0040.00416.44
7.3.280.0080.00916.37
7.3.270.0190.00617.40
7.3.260.0120.01016.47
7.3.250.0100.01016.38
7.3.240.0130.00516.37
7.3.230.0090.01016.59
7.3.210.0140.00716.43
7.3.200.0080.01116.56
7.3.190.0110.01116.70
7.3.180.0040.01216.45
7.3.170.0100.00716.36
7.3.160.0120.00616.49
7.3.120.0070.01114.79
7.3.110.0000.01714.87
7.3.100.0030.01214.68
7.3.90.0070.00714.77
7.3.80.0040.01114.77
7.3.70.0060.00614.93
7.3.60.0040.00814.90
7.3.50.0000.01814.98
7.3.40.0030.01514.55
7.3.30.0090.00314.79
7.3.20.0060.01016.76
7.3.10.0060.00916.71
7.3.00.0040.01116.80
7.2.330.0090.00816.86
7.2.320.0180.00616.89
7.2.310.0140.00316.89
7.2.300.0070.01016.91
7.2.290.0070.01116.42
7.2.250.0110.00614.87
7.2.240.0000.01915.20
7.2.230.0110.00715.38
7.2.220.0050.00515.27
7.2.210.0080.00814.95
7.2.200.0000.01015.05
7.2.190.0060.00615.13
7.2.180.0070.00715.14
7.2.170.0060.01215.01
7.2.90.0460.00614.75
7.2.80.0170.00614.88
7.2.70.0100.01015.29
7.2.60.0380.00415.28
7.2.50.0460.00615.16
7.2.40.0340.00915.07
7.2.30.0410.00615.25
7.2.20.0340.01715.19
7.2.10.0400.00615.23
7.2.00.0810.01015.21
7.1.330.0060.00615.79
7.1.320.0060.00616.07
7.1.310.0040.01115.86
7.1.300.0000.00915.51
7.1.290.0060.00915.68
7.1.280.0120.00315.91
7.1.270.0090.00615.90
7.1.260.0000.01415.74
7.1.210.0140.00613.97
7.1.200.0620.01214.01
7.1.190.0470.00414.04
7.1.180.0490.00813.93
7.1.170.0400.00614.10
7.1.160.0490.01813.70
7.1.150.0400.00714.00
7.1.140.0350.00813.89
7.1.130.0510.00614.05
7.1.120.0420.00714.03
7.1.110.0560.00014.07
7.1.100.0380.00913.76
7.1.90.0840.00614.06
7.1.80.0540.00714.14
7.1.70.0420.01114.16
7.1.60.0690.01331.93
7.1.50.0790.00632.11
7.1.40.0930.01031.84
7.1.30.0700.01632.00
7.1.20.0920.02031.86
7.1.10.0570.01014.14
7.1.00.0550.00313.74
7.0.310.0630.00713.39
7.0.300.0420.00713.41
7.0.290.0640.01313.54
7.0.280.0400.00413.61
7.0.270.0370.00613.37
7.0.260.0500.00613.50
7.0.250.0430.00313.64
7.0.240.0400.00313.66
7.0.230.0740.00713.09
7.0.220.0760.00913.73
7.0.210.0500.00613.20
7.0.200.0490.00413.69
7.0.190.0380.00613.32
7.0.180.0540.00013.67
7.0.170.0510.00313.61
7.0.160.0460.00313.16
7.0.150.0830.01613.66
7.0.140.0510.00313.61
7.0.130.0500.00613.72
7.0.120.0500.01013.75
7.0.110.0550.00713.56
7.0.100.0490.00713.64
7.0.90.0590.00313.68
7.0.80.0490.00313.64
7.0.70.0820.00713.69
7.0.60.0870.00713.87
7.0.50.0770.01013.58
7.0.40.0570.01013.59
7.0.30.0090.00313.57
7.0.20.0110.00313.43
7.0.10.0090.00313.73
7.0.00.0580.00613.49

preferences:
46.38 ms | 400 KiB | 5 Q