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 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 . $it->many() . PHP_EOL . PHP_EOL; print "$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)
8.3.60.0130.01016.50
8.3.50.0040.01116.35
8.3.40.0120.00318.96
8.3.30.0040.01118.79
8.3.20.0040.00420.13
8.3.10.0080.00023.66
8.3.00.0000.00821.80
8.2.180.0120.00616.63
8.2.170.0070.00722.96
8.2.160.0110.00419.23
8.2.150.0030.00524.18
8.2.140.0050.00324.66
8.2.130.0040.00419.21
8.2.120.0080.00026.35
8.2.110.0030.00722.08
8.2.100.0040.00817.84
8.2.90.0030.00517.97
8.2.80.0000.00819.11
8.2.70.0080.00017.63
8.2.60.0030.00618.05
8.2.50.0080.00018.10
8.2.40.0030.00620.42
8.2.30.0080.00021.00
8.2.20.0040.00418.14
8.2.10.0060.00318.07
8.2.00.0040.00418.23
8.1.280.0150.00625.92
8.1.270.0070.00022.20
8.1.260.0050.00326.35
8.1.250.0080.00028.09
8.1.240.0000.00922.14
8.1.230.0090.00320.97
8.1.220.0000.00817.77
8.1.210.0000.00818.77
8.1.200.0000.00917.35
8.1.190.0040.00417.23
8.1.180.0030.00518.10
8.1.170.0050.00318.50
8.1.160.0040.00418.98
8.1.150.0000.00818.87
8.1.140.0040.00419.63
8.1.130.0070.00018.87
8.1.120.0000.00717.49
8.1.110.0040.00417.44
8.1.100.0040.00417.46
8.1.90.0000.00717.38
8.1.80.0050.00317.46
8.1.70.0000.00717.37
8.1.60.0040.00417.63
8.1.50.0030.00517.58
8.1.40.0000.00817.41
8.1.30.0080.00017.56
8.1.20.0000.00817.63
8.1.10.0050.00517.66
8.1.00.0000.00817.52
8.0.300.0000.00720.21
8.0.290.0040.00416.75
8.0.280.0070.00018.41
8.0.270.0000.00817.32
8.0.260.0000.00716.87
8.0.250.0040.00416.89
8.0.240.0040.00416.96
8.0.230.0080.00016.98
8.0.220.0000.00716.91
8.0.210.0030.00316.97
8.0.200.0000.00716.94
8.0.190.0080.00016.90
8.0.180.0040.00416.82
8.0.170.0070.00016.91
8.0.160.0040.00416.89
8.0.150.0000.00816.80
8.0.140.0040.00416.76
8.0.130.0000.00613.30
8.0.120.0060.00316.83
8.0.110.0070.00016.74
8.0.100.0000.00716.92
8.0.90.0050.00316.78
8.0.80.0170.00616.79
8.0.70.0030.00616.85
8.0.60.0030.00516.76
8.0.50.0050.00316.98
8.0.30.0100.00616.97
8.0.20.0110.01017.42
8.0.10.0000.00817.07
8.0.00.0150.00316.47
7.4.330.0020.00215.55
7.4.320.0030.00316.39
7.4.300.0030.00316.62
7.4.290.0070.00016.61
7.4.280.0030.00616.52
7.4.270.0000.00716.53
7.4.260.0040.00416.58
7.4.250.0030.00616.34
7.4.240.0000.00816.45
7.4.230.0030.00316.43
7.4.220.0030.01516.56
7.4.210.0080.00816.56
7.4.200.0050.00216.27
7.4.160.0090.00916.58
7.4.150.0040.01317.40
7.4.140.0110.00717.86
7.4.130.0090.01116.51
7.4.120.0120.00916.51
7.4.110.0090.00916.34
7.4.100.0110.00716.61
7.4.90.0040.01416.59
7.4.80.0120.00619.39
7.4.70.0100.00716.56
7.4.60.0130.02316.48
7.4.50.0060.00916.46
7.4.40.0070.01116.68
7.4.30.0060.01216.58
7.4.00.0040.01114.99
7.3.330.0030.00313.19
7.3.320.0000.00513.23
7.3.310.0050.00316.16
7.3.300.0030.00316.36
7.3.290.0030.00316.31
7.3.280.0080.00916.36
7.3.270.0070.01117.40
7.3.260.0100.00816.39
7.3.250.0120.00716.53
7.3.240.0130.00716.56
7.3.230.0130.00416.57
7.3.210.0230.01016.60
7.3.200.0070.01016.55
7.3.190.0030.01716.30
7.3.180.0140.00316.53
7.3.170.0110.00516.66
7.3.160.0090.00816.44
7.3.120.0120.00614.91
7.3.110.0140.00014.93
7.3.100.0060.00914.86
7.3.90.0060.00614.60
7.3.80.0060.01315.08
7.3.70.0060.00314.79
7.3.60.0030.01214.99
7.3.50.0090.00614.93
7.3.40.0030.00714.79
7.3.30.0090.00014.63
7.3.20.0070.00316.56
7.3.10.0030.00616.56
7.3.00.0030.00916.45
7.2.330.0090.00916.87
7.2.320.0030.02016.72
7.2.310.0030.02016.53
7.2.300.0120.00616.77
7.2.290.0100.00716.86
7.2.250.0090.00915.34
7.2.240.0070.01315.33
7.2.230.0060.00915.25
7.2.220.0070.00715.10
7.2.210.0120.00615.07
7.2.200.0030.01015.07
7.2.190.0040.01215.25
7.2.180.0070.00715.16
7.2.170.0110.00415.14
7.2.130.0060.00616.95
7.2.120.0030.00716.93
7.2.110.0130.00316.79
7.2.100.0090.00017.20
7.2.90.0110.01116.00
7.2.80.0810.00515.88
7.2.70.0130.00916.04
7.2.60.1180.00816.03
7.2.50.0060.00716.17
7.2.40.0970.00616.20
7.2.30.0090.00915.87
7.2.20.0060.01015.95
7.2.10.1120.00615.89
7.2.00.0050.01115.95
7.1.330.0000.01515.99
7.1.320.0060.00915.74
7.1.310.0090.00915.88
7.1.300.0040.00815.62
7.1.290.0080.00415.85
7.1.280.0070.00315.99
7.1.270.0130.00315.55
7.1.260.0100.00315.71
7.1.250.0000.01015.82
7.1.240.0030.00715.69
7.1.230.0070.00315.70
7.1.220.0060.00316.00
7.1.210.0090.00814.83
7.1.200.0090.00714.70
7.1.190.0050.01114.75
7.1.180.0070.00714.91
7.1.170.0290.00614.93
7.1.160.0770.00814.62
7.1.150.0070.00814.92
7.1.140.0100.00614.77
7.1.130.0470.00814.79
7.1.120.0150.00715.02
7.1.110.0050.00914.72
7.1.100.0100.00714.96
7.1.90.1170.00314.87
7.1.80.0060.00814.79
7.1.70.0310.00514.87
7.1.60.0400.01423.76
7.1.50.1180.01123.82
7.1.40.1090.00623.87
7.1.30.0830.00623.71
7.1.20.0130.01223.76
7.1.10.0660.00614.80
7.1.00.0220.00714.89
7.0.330.0070.00315.43
7.0.320.0050.00315.36
7.0.310.0150.00414.42
7.0.300.0370.00514.43
7.0.290.0110.00314.63
7.0.280.0080.00614.48
7.0.270.0140.00314.46
7.0.260.0060.01114.28
7.0.250.0170.00314.45
7.0.240.1230.01014.48
7.0.230.1070.00514.64
7.0.220.0180.00514.44
7.0.210.0040.01114.35
7.0.200.0120.00814.44
7.0.190.1230.01014.47
7.0.180.1100.01014.45
7.0.170.0040.01114.56
7.0.160.1060.00514.43
7.0.150.0610.00914.32
7.0.140.0060.00814.54
7.0.130.0080.00814.39
7.0.120.0430.00514.43
7.0.110.0310.00914.52
7.0.100.0110.00914.49
7.0.90.0230.00514.47
7.0.80.0570.00614.52
7.0.70.0510.00614.17
7.0.60.0740.00914.34
7.0.50.0120.01014.29
7.0.40.0130.00413.47
7.0.30.0840.00613.66
7.0.20.0100.00413.63
7.0.10.0460.00813.59
7.0.00.0480.00413.41
5.6.380.0030.01014.46

preferences:
45.82 ms | 401 KiB | 5 Q