3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('1','2','23'); $b = (array) $a; var_dump($b); /* function foo(&$b) { $b*=2; return $b; } $x = 3; $y = foo($x); $x = 5; echo $x . ' , ' . $y; //var_dump(false); /*preg_match('@^(?:http://)?([^/]+)@i','http://www.php.net/index.html',$matches); ${"a"} = $matches[1]; &$a = 12; echo &$a; var_export(${"a"});*/ /*echo ${"a"};*/ /*trait Foo { private $name = '123'; } class Bar { //use Foo; private static $name = '321'; public static function getName(){return static::$name;} } */ /*echo sprintf(' "%04d"', 1);*/ /* $num = array('11' , '12', '13'); foreach ($num as $val) { $val++; } print_r($num);*/ /* class Foo extends Bar{private static $name='123';} $bar = new Foo(); $bar::getName();*/ /*echo false; */ //class Faz {}// $i = new Faz(); echo $i->t;/* /* class Baz extends Faz {} interface Foo {public function du(Faz $param);} class A implements Foo { public function du(Baz $param){ echo false; } } $c = new A(); $c->du(new Baz());*/ /* $i = 5; echo $i++; echo $i;*/ /* namespace Bar; function strlen($string){return 5;} namespace Foo; use Bar; echo strlen('Baz');*/ //var_dump(array_values(ksort(array('re'=>'asd', '3'=>'asda')))); //echo true;

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)
8.3.60.0110.00316.50
8.3.50.0080.00922.82
8.3.40.0090.00618.54
8.3.30.0140.00318.90
8.3.20.0060.00320.04
8.3.10.0040.00421.69
8.3.00.0080.00017.25
8.2.180.0170.00716.63
8.2.170.0120.00322.96
8.2.160.0070.00720.52
8.2.150.0030.00524.18
8.2.140.0050.00224.66
8.2.130.0000.00726.16
8.2.120.0040.00420.93
8.2.110.0060.00320.35
8.2.100.0060.00617.72
8.2.90.0000.00719.13
8.2.80.0040.00417.97
8.2.70.0040.00417.50
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0070.00017.97
8.2.30.0040.00417.86
8.2.20.0060.00317.58
8.2.10.0070.00018.04
8.2.00.0000.00817.71
8.1.280.0000.01525.92
8.1.270.0040.00423.67
8.1.260.0050.00326.35
8.1.250.0070.00028.09
8.1.240.0060.00323.54
8.1.230.0070.00720.86
8.1.220.0000.00717.74
8.1.210.0040.00418.77
8.1.200.0090.00017.23
8.1.190.0030.00517.10
8.1.180.0030.00619.01
8.1.170.0080.00018.57
8.1.160.0040.00421.81
8.1.150.0040.00418.79
8.1.140.0040.00417.33
8.1.130.0000.00719.59
8.1.120.0000.00717.32
8.1.110.0040.00417.28
8.1.100.0000.00717.36
8.1.90.0040.00417.33
8.1.80.0000.00717.36
8.1.70.0040.00717.41
8.1.60.0040.00417.60
8.1.50.0000.00917.56
8.1.40.0000.00817.49
8.1.30.0040.00417.59
8.1.20.0040.00417.54
8.1.10.0050.00317.48
8.1.00.0060.00317.37
8.0.300.0070.00018.77
8.0.290.0000.00716.63
8.0.280.0030.00318.36
8.0.270.0030.00317.13
8.0.260.0000.00817.09
8.0.250.0040.00416.86
8.0.240.0030.00316.90
8.0.230.0000.00716.91
8.0.220.0030.00316.80
8.0.210.0030.00316.71
8.0.200.0030.00316.91
8.0.190.0040.00416.86
8.0.180.0090.00016.80
8.0.170.0030.00616.88
8.0.160.0030.00316.75
8.0.150.0040.00416.76
8.0.140.0060.00316.75
8.0.130.0030.00313.24
8.0.120.0080.00016.78
8.0.110.0040.00416.75
8.0.100.0040.00416.83
8.0.90.0080.00016.79
8.0.80.0090.00616.75
8.0.70.0050.00216.84
8.0.60.0050.00216.72
8.0.50.0000.00716.88
8.0.30.0150.00517.19
8.0.20.0100.01017.40
8.0.10.0040.00416.76
8.0.00.0070.01016.64
7.4.330.0050.00015.15
7.4.320.0000.00616.48
7.4.300.0030.00316.50
7.4.290.0030.00316.43
7.4.280.0070.00016.49
7.4.270.0040.00416.57
7.4.260.0040.00416.58
7.4.250.0070.00016.49
7.4.240.0000.00716.45
7.4.230.0040.00316.37
7.4.220.0060.00916.41
7.4.210.0000.01516.54
7.4.200.0040.00416.46
7.4.160.0190.00316.64
7.4.150.0070.01317.40
7.4.140.0080.01017.86
7.4.130.0080.00916.53
7.4.120.0050.01116.54
7.4.110.0070.01016.50
7.4.100.0180.00316.61
7.4.90.0070.01016.38
7.4.80.0100.00719.39
7.4.70.0100.00616.61
7.4.60.0120.00316.26
7.4.50.0000.00616.36
7.4.40.0120.00616.31
7.4.30.0160.00016.53
7.4.00.0080.00614.95
7.3.330.0030.00313.03
7.3.320.0020.00213.16
7.3.310.0030.00316.03
7.3.300.0000.00616.21
7.3.290.0110.00316.17
7.3.280.0100.00816.20
7.3.270.0160.00017.40
7.3.260.0040.01316.36
7.3.250.0120.00716.41
7.3.240.0100.01016.30
7.3.230.0090.00916.39
7.3.210.0180.02116.08
7.3.200.0120.00619.39
7.3.190.0130.00616.23
7.3.180.0120.00916.27
7.3.170.0040.01216.30
7.3.160.0080.00816.51
7.2.330.0080.00916.65
7.2.320.0190.00316.50
7.2.310.0070.01016.34
7.2.300.0120.00416.57
7.2.290.0110.00616.58
7.2.60.0060.00616.85
7.2.00.0060.00919.17
7.1.200.0190.00315.68
7.1.100.0000.01018.04
7.1.70.0000.00717.26
7.1.60.0140.00719.40
7.1.50.0110.01116.68
7.1.00.0030.07722.43
7.0.200.0040.00416.49
7.0.140.0030.07322.08
7.0.60.0100.03319.82
7.0.50.0030.04017.66
7.0.40.0130.06020.19
7.0.30.0330.05020.01
7.0.20.0200.06020.16
7.0.10.0130.04320.04
7.0.00.0130.07720.09
5.6.210.0030.05320.52
5.6.200.0030.04318.16
5.6.190.0000.04720.35
5.6.180.0370.07720.35
5.6.170.0300.04720.33
5.6.160.0100.05020.59
5.6.150.0100.08018.09
5.6.140.0100.06718.14
5.6.130.0100.05318.18
5.6.120.0000.06721.05
5.6.110.0270.06720.95
5.6.100.0070.08321.02
5.6.90.0070.04320.97
5.6.80.0030.06720.53
5.5.350.4130.04020.39
5.5.340.0000.04318.02
5.5.330.0030.04720.14
5.5.320.0230.08320.17
5.5.310.0300.07320.50
5.5.300.0200.07017.94
5.5.290.0070.05317.98
5.5.280.0030.08720.87
5.5.270.0030.04020.83
5.5.260.0070.07720.71
5.5.250.0070.09020.69
5.5.240.0030.07720.23
5.4.450.0900.05719.49
5.4.440.0730.04319.64
5.4.430.0630.04719.14
5.4.420.0600.05319.55
5.4.410.0570.05719.30
5.4.400.0730.05019.21
5.4.390.0530.05719.09
5.4.380.0230.05018.59
5.4.370.0330.04318.59
5.4.360.0100.05718.64
5.4.350.0060.03511.97
5.4.340.0070.03811.97
5.4.320.0060.03512.45
5.4.310.0080.03812.45
5.4.300.0080.03412.45
5.4.290.0070.03712.45
5.4.280.0100.04112.34
5.4.270.0060.03812.35
5.4.260.0070.03612.34
5.4.250.0070.03612.34
5.4.240.0080.03412.35
5.4.230.0080.03612.34
5.4.220.0090.03412.34
5.4.210.0080.03812.34
5.4.200.0080.03512.34
5.4.190.0090.03312.33
5.4.180.0060.03812.34
5.4.170.0080.03612.35
5.4.160.0090.03212.34
5.4.150.0080.03812.34
5.4.140.0070.04112.02
5.4.130.0080.04512.01
5.4.120.0060.04011.96
5.4.110.0070.03811.97
5.4.100.0100.03311.96
5.4.90.0070.03611.96
5.4.80.0060.03711.96
5.4.70.0040.03611.96
5.4.60.0060.04311.96
5.4.50.0090.03411.96
5.4.40.0030.03711.95
5.4.30.0060.04311.95
5.4.20.0030.04811.95
5.4.10.0090.03111.95
5.4.00.0050.03611.44
5.3.290.0080.04412.80
5.3.280.0050.04312.71
5.3.270.0090.03812.72
5.3.260.0080.03812.72
5.3.250.0080.03512.72
5.3.240.0050.03812.72
5.3.230.0100.05312.71
5.3.220.0080.03412.68
5.3.210.0080.04112.68
5.3.200.0070.03512.68
5.3.190.0080.04212.68
5.3.180.0070.04212.67
5.3.170.0070.03512.67
5.3.160.0070.04612.68
5.3.150.0070.04212.68
5.3.140.0100.03712.66
5.3.130.0040.04312.66
5.3.120.0080.03912.66
5.3.110.0050.04012.66
5.3.100.0050.03712.12
5.3.90.0060.03612.08
5.3.80.0030.03912.07
5.3.70.0070.04112.07
5.3.60.0120.03612.07
5.3.50.0050.03812.00
5.3.40.0050.04112.00
5.3.30.0040.04211.94
5.3.20.0050.03711.72
5.3.10.0060.03411.69
5.3.00.0050.04411.68
5.2.170.0050.0309.18
5.2.160.0050.0289.18
5.2.150.0070.0279.18
5.2.140.0050.0309.18
5.2.130.0050.0309.14
5.2.120.0030.0329.14
5.2.110.0040.0289.14
5.2.100.0040.0299.14
5.2.90.0050.0289.14
5.2.80.0090.0359.14
5.2.70.0070.0309.14
5.2.60.0050.0299.09
5.2.50.0060.0339.06
5.2.40.0050.0319.04
5.2.30.0100.0319.01
5.2.20.0020.0358.99
5.2.10.0040.0298.91
5.2.00.0060.0308.78
5.1.60.0020.0268.06
5.1.50.0050.0318.06
5.1.40.0040.0278.04
5.1.30.0040.0258.39
5.1.20.0060.0248.41
5.1.10.0060.0238.14
5.1.00.0050.0248.14
5.0.50.0010.0236.61
5.0.40.0010.0216.47
5.0.30.0030.0326.29
5.0.20.0050.0196.26
5.0.10.0050.0186.23
5.0.00.0040.0326.23
4.4.90.0020.0194.78
4.4.80.0030.0154.75
4.4.70.0030.0194.75
4.4.60.0050.0134.75
4.4.50.0010.0174.77
4.4.40.0040.0244.71
4.4.30.0010.0174.76
4.4.20.0020.0174.84
4.4.10.0030.0174.84
4.4.00.0020.0264.76
4.3.110.0040.0154.67
4.3.100.0050.0124.67
4.3.90.0020.0174.63
4.3.80.0020.0284.58
4.3.70.0020.0204.63
4.3.60.0020.0184.63
4.3.50.0020.0174.63
4.3.40.0020.0264.54
4.3.30.0030.0193.28
4.3.20.0050.0153.26
4.3.10.0020.0183.22
4.3.00.0170.0178.45

preferences:
34.42 ms | 401 KiB | 5 Q