3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyIterator implements Iterator { private $var = array(1,2,3); private $current; public function __construct($array = null) { if (is_array($array)) { $this->var = $array; } } public function many() { $a = array(88,99,11); return $a[$this->current]; } public function rewind() { echo "rewinding\n"; reset($this->var); } public function current() { $var = current($this->var); echo "current: $var\n"; return $var; } public function key() { $var = key($this->var); $this->current = $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)
8.3.60.0070.01116.75
8.3.50.0110.00616.50
8.3.40.0060.00918.75
8.3.30.0110.00418.79
8.3.20.0070.00020.20
8.3.10.0090.00023.39
8.3.00.0040.00421.89
8.2.180.0000.01517.00
8.2.170.0040.01122.96
8.2.160.0080.00619.21
8.2.150.0080.00024.18
8.2.140.0000.00824.66
8.2.130.0050.00319.27
8.2.120.0040.00426.35
8.2.110.0100.00021.00
8.2.100.0120.00417.84
8.2.90.0040.00419.36
8.2.80.0000.00818.05
8.2.70.0030.00517.63
8.2.60.0000.00817.93
8.2.50.0060.00318.10
8.2.40.0030.00520.45
8.2.30.0000.00821.09
8.2.20.0040.00418.15
8.2.10.0000.00818.13
8.2.00.0080.00018.16
8.1.280.0040.01125.92
8.1.270.0000.00722.02
8.1.260.0080.00026.35
8.1.250.0070.00028.09
8.1.240.0030.00619.21
8.1.230.0050.00518.97
8.1.220.0080.00017.80
8.1.210.0050.00318.77
8.1.200.0070.00417.35
8.1.190.0030.00617.22
8.1.180.0000.00818.10
8.1.170.0080.00018.43
8.1.160.0050.00219.04
8.1.150.0040.00418.78
8.1.140.0000.00719.59
8.1.130.0070.00018.95
8.1.120.0040.00417.44
8.1.110.0040.00417.41
8.1.100.0000.00817.48
8.1.90.0080.00017.48
8.1.80.0070.00017.50
8.1.70.0020.00517.52
8.1.60.0000.00817.61
8.1.50.0000.00817.56
8.1.40.0080.00017.54
8.1.30.0000.00817.71
8.1.20.0080.00017.60
8.1.10.0000.01017.61
8.1.00.0000.00817.44
8.0.300.0050.00320.17
8.0.290.0000.00816.75
8.0.280.0080.00018.46
8.0.270.0070.00017.18
8.0.260.0000.00816.83
8.0.250.0080.00016.98
8.0.240.0000.00816.91
8.0.230.0030.00316.86
8.0.220.0070.00016.95
8.0.210.0040.00416.89
8.0.200.0060.00016.96
8.0.190.0080.00016.96
8.0.180.0030.00516.94
8.0.170.0030.00416.81
8.0.160.0040.00716.93
8.0.150.0000.00716.96
8.0.140.0070.00016.87
8.0.130.0060.00013.30
8.0.120.0000.00716.82
8.0.110.0030.00516.89
8.0.100.0040.00416.95
8.0.90.0040.00416.90
8.0.80.0140.00416.79
8.0.70.0000.00716.74
8.0.60.0040.00416.74
8.0.50.0080.00016.97
8.0.30.0150.00317.35
8.0.20.0090.01017.40
8.0.10.0000.00816.90
8.0.00.0120.01216.75
7.4.330.0050.00015.55
7.4.320.0030.00316.61
7.4.300.0060.00016.43
7.4.290.0030.00316.55
7.4.280.0040.00416.50
7.4.270.0000.00716.63
7.4.260.0040.00416.62
7.4.250.0000.00816.57
7.4.240.0000.00716.64
7.4.230.0030.00316.62
7.4.220.0070.01616.72
7.4.210.0000.01816.55
7.4.200.0000.00916.55
7.4.160.0080.01116.50
7.4.150.0110.01517.40
7.4.140.0100.01117.86
7.4.130.0140.00716.66
7.4.120.0150.00516.50
7.4.110.0110.00916.70
7.4.100.0150.00616.76
7.4.90.0130.00316.43
7.4.80.0130.00619.39
7.4.70.0070.01016.52
7.4.60.0080.00816.64
7.4.50.0030.00616.56
7.4.40.0040.01216.50
7.4.30.0120.00616.42
7.4.00.0090.00315.14
7.3.330.0050.00013.38
7.3.320.0050.00013.14
7.3.310.0070.00316.46
7.3.300.0030.00316.35
7.3.290.0000.00716.38
7.3.280.0080.00816.36
7.3.270.0110.00817.40
7.3.260.0100.00816.29
7.3.250.0080.01016.46
7.3.240.0130.00516.41
7.3.230.0130.00316.46
7.3.210.0130.02216.50
7.3.200.0060.01016.62
7.3.190.0090.01216.59
7.3.180.0080.01216.58
7.3.170.0100.00716.62
7.3.160.0100.00616.41
7.2.330.0110.00716.78
7.2.320.0130.00516.75
7.2.310.0000.01716.59
7.2.300.0100.01416.72
7.2.290.0080.00816.56
7.2.90.0040.00916.59
7.2.80.0160.00816.48
7.2.70.0050.00716.88
7.2.60.0660.01614.99
7.2.50.0110.00816.91
7.2.40.0150.00316.84
7.2.30.0610.00715.15
7.2.20.0180.01115.37
7.2.10.0590.00315.30
7.2.00.0050.00815.35
7.1.210.0060.00615.85
7.1.200.0040.00715.70
7.1.190.0030.00915.63
7.1.180.0090.00315.96
7.1.170.0060.00615.86
7.1.160.0730.00313.98
7.1.150.0430.00414.08
7.1.140.0100.00313.67
7.1.130.0290.00714.06
7.1.120.0260.00313.93
7.1.110.0440.00614.08
7.1.100.0810.00313.75
7.1.90.0780.00814.10
7.1.80.0080.00414.10
7.1.70.0950.00615.64
7.1.60.0290.00633.83
7.1.50.0370.00733.95
7.1.40.0300.00933.48
7.1.30.0290.00033.76
7.1.20.0940.00332.00
7.1.10.1490.00314.03
7.1.00.0080.00415.64
7.0.310.0080.00315.54
7.0.300.0000.01115.33
7.0.290.0080.00513.45
7.0.280.0660.00713.65
7.0.270.0660.00313.56
7.0.260.0160.01013.42
7.0.250.0350.00313.66
7.0.240.0670.00915.51
7.0.230.0790.00313.82
7.0.220.0780.00613.70
7.0.210.0080.00315.49
7.0.200.0110.00015.13
7.0.190.0080.00815.53
7.0.180.0040.00815.54
7.0.170.0030.00615.14
7.0.160.0710.00515.39
7.0.150.0640.00413.78
7.0.140.0030.00815.40
7.0.130.0070.00515.47
7.0.120.0060.00615.45
7.0.110.0000.01115.34
7.0.100.0640.00313.39
7.0.90.0070.00715.37
7.0.80.0050.00915.41
7.0.70.0050.00515.37
7.0.60.0090.00415.41
7.0.50.0030.01215.26
7.0.40.0120.00015.38
7.0.30.0070.00715.34
7.0.20.0000.01215.18
7.0.10.0070.00415.55
7.0.00.1110.00915.50

preferences:
41.07 ms | 400 KiB | 5 Q