3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Test { private $secret = 'Nyy lbhe Onfr ner orybat gb hf.'; private $callback; final public function run() { call_user_func($this->callback); return $this->secret . PHP_EOL; } public function __set($k, $v) { print_r($v);exit; $key = $v[($v[$v])]; // $v is some kind of weird array $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test(); // start class MyClass implements arrayaccess{ public $closure; private $container; public function __construct($test){ $this->closure = function(){ echo 'nearly there! just need to reshuffle the letters now, can set secret too as its not in scope.'; }; $this->closure->bindTo($test); // I dont really understand what this is doing $this->container = array('0' => '1', '1' => 'callback'); } public function __toString(){ // Object of class V could not be converted to string; return '0'; } // array access stuff below was copied and pasted from http://www.php.net/manual/en/class.arrayaccess.php public function offsetSet($offset, $value) { if (is_null($offset)) { $this->array[] = $value; } else { $this->array[$offset] = $value; } } public function offsetExists($offset) { return isset($this->array[$offset]); } public function offsetUnset($offset) { unset($this->array[$offset]); } public function offsetGet($offset) { $offset = (string) $offset; return isset($this->array[$offset]) ? $this->array[$offset] : null; } } $test->callback = new MyClass($test); // end editing here //echo $test->run();

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)
8.3.60.0070.00718.43
8.3.50.0130.00422.14
8.3.40.0040.01119.00
8.3.30.0100.00719.09
8.3.20.0070.00020.20
8.3.10.0000.00821.97
8.3.00.0000.00822.34
8.2.180.0100.01016.88
8.2.170.0070.01422.96
8.2.160.0100.00320.47
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0040.00426.16
8.2.120.0060.00317.62
8.2.110.0040.00721.13
8.2.100.0060.00617.85
8.2.90.0060.00318.03
8.2.80.0000.00817.97
8.2.70.0030.00617.75
8.2.60.0030.00617.80
8.2.50.0040.00418.07
8.2.40.0080.00018.03
8.2.30.0070.00017.99
8.2.20.0040.00417.64
8.2.10.0000.00719.40
8.2.00.0040.00417.79
8.1.280.0090.00925.92
8.1.270.0030.00523.99
8.1.260.0000.00826.35
8.1.250.0080.00028.09
8.1.240.0000.00822.02
8.1.230.0030.00820.76
8.1.220.0030.00717.74
8.1.210.0000.00819.80
8.1.200.0100.00017.48
8.1.190.0040.00417.22
8.1.180.0080.00018.10
8.1.170.0000.00918.50
8.1.160.0040.00421.96
8.1.150.0000.00818.55
8.1.140.0050.00217.41
8.1.130.0000.00717.73
8.1.120.0000.00717.44
8.1.110.0050.00317.43
8.1.100.0040.00417.37
8.1.90.0080.00317.40
8.1.80.0040.00417.48
8.1.70.0020.00517.46
8.1.60.0030.00617.66
8.1.50.0050.00217.62
8.1.40.0060.00317.52
8.1.30.0000.00917.50
8.1.20.0040.00417.64
8.1.10.0000.00817.68
8.1.00.0070.00017.54
8.0.300.0040.00420.07
8.0.290.0070.00016.88
8.0.280.0030.00318.48
8.0.270.0070.00017.21
8.0.260.0000.00716.85
8.0.250.0070.00017.11
8.0.240.0050.00217.04
8.0.230.0070.00017.03
8.0.220.0070.00017.05
8.0.210.0030.00316.98
8.0.200.0000.00717.03
8.0.190.0040.00417.04
8.0.180.0070.00017.00
8.0.170.0070.00016.88
8.0.160.0030.00516.95
8.0.150.0040.00416.92
8.0.140.0060.00316.98
8.0.130.0060.00013.43
8.0.120.0040.00416.97
8.0.110.0030.00517.04
8.0.100.0050.00216.96
8.0.90.0000.00716.90
8.0.80.0100.00616.95
8.0.70.0000.00716.88
8.0.60.0000.00817.00
8.0.50.0000.00716.93
8.0.30.0150.00617.07
8.0.20.0110.01017.40
8.0.10.0000.00716.96
8.0.00.0110.01016.76
7.4.330.0000.00615.00
7.4.320.0030.00316.44
7.4.300.0000.00616.39
7.4.290.0030.00316.45
7.4.280.0030.00316.52
7.4.270.0070.00016.64
7.4.260.0050.00216.42
7.4.250.0000.00716.48
7.4.240.0020.00616.63
7.4.230.0030.00316.33
7.4.220.0110.00616.59
7.4.210.0070.01016.50
7.4.200.0070.00016.74
7.4.190.0000.00816.79
7.4.160.0160.00016.53
7.4.150.0030.01617.40
7.4.140.0110.00917.86
7.4.130.0050.01516.52
7.4.120.0100.00816.64
7.4.110.0060.01116.71
7.4.100.0040.01616.51
7.4.90.0040.01516.59
7.4.80.0100.01319.39
7.4.70.0150.00416.57
7.4.60.0130.00316.48
7.4.50.0060.00316.63
7.4.40.0040.00822.77
7.4.30.0040.01216.39
7.4.00.0110.00415.16
7.3.330.0030.00313.20
7.3.320.0020.00213.37
7.3.310.0080.00016.40
7.3.300.0030.00316.38
7.3.290.0050.00916.36
7.3.280.0050.01516.35
7.3.270.0070.01717.40
7.3.260.0100.00616.29
7.3.250.0090.01016.39
7.3.240.0070.01616.61
7.3.230.0080.00916.55
7.3.210.0070.01016.49
7.3.200.0130.00319.39
7.3.190.0070.01016.51
7.3.180.0070.01016.66
7.3.170.0070.01116.36
7.3.160.0110.00516.43
7.3.120.0070.00714.91
7.2.330.0120.00616.54
7.2.320.0030.01516.71
7.2.310.0030.01416.47
7.2.300.0030.01316.79
7.2.290.0090.00616.71
7.2.60.0030.01016.83
7.2.00.0030.01019.34
7.1.200.0070.00015.76
7.1.100.0030.01218.23
7.1.70.0020.00516.75
7.1.60.0080.00419.82
7.1.50.0070.01016.85
7.1.00.0070.07322.27
7.0.200.0030.00816.69
7.0.140.0030.07022.05
7.0.100.0400.08020.03
7.0.90.0330.08319.98
7.0.80.0030.08720.03
7.0.70.0200.07319.86
7.0.60.0100.08019.96
7.0.50.0370.06320.29
7.0.40.0030.08320.19
7.0.30.0100.08020.14
7.0.20.0170.07319.95
7.0.10.0100.07720.08
7.0.00.0070.09019.99
5.6.280.0030.07320.84
5.6.250.0100.07720.79
5.6.240.0130.07720.58
5.6.230.0100.07720.51
5.6.220.0130.07720.69
5.6.210.0070.08720.59
5.6.200.0130.07721.08
5.6.190.0170.07321.05
5.6.180.0030.05321.19
5.6.170.0030.08321.11
5.6.160.0100.08020.98
5.6.150.0030.08721.16
5.6.140.0100.07320.98
5.6.130.0170.06721.09
5.6.120.0070.08021.09
5.6.110.0030.08321.05
5.6.100.0130.06721.12
5.6.90.0030.04320.93
5.6.80.0100.03320.52
5.6.70.0000.04320.43
5.6.60.0000.04320.41
5.6.50.0070.03720.57
5.6.40.0000.04320.48
5.6.30.0000.04720.39
5.6.20.0070.04020.43
5.6.10.0070.03720.45
5.6.00.0100.03320.45
5.5.380.0100.07720.41
5.5.370.0100.07720.43
5.5.360.0100.08020.51
5.5.350.0100.07720.40
5.5.340.0070.07720.84
5.5.330.0130.07020.66
5.5.320.0070.08320.94
5.5.310.0030.08020.79
5.5.300.0170.07320.93
5.5.290.0100.07320.79
5.5.280.0000.08720.88
5.5.270.0070.08320.89
5.5.260.0070.08720.78
5.5.250.0000.07020.75
5.5.240.0100.04320.27
5.5.230.0070.04020.28
5.5.220.0000.04320.32
5.5.210.0030.04720.25
5.5.200.0100.03320.23
5.5.190.0030.04020.13
5.5.180.0030.04320.27
5.5.160.0030.04020.24
5.5.150.0070.03720.00
5.5.140.0030.03319.99
5.5.130.0100.05320.09
5.5.120.0170.06020.10
5.5.110.0070.06720.17
5.5.100.0000.04720.04
5.5.90.0000.04320.18
5.5.80.0070.03020.15
5.5.70.0070.03720.11
5.5.60.0070.05320.14
5.5.50.0030.03320.08
5.5.40.0100.03320.02
5.5.30.0030.03320.10
5.5.20.0070.05320.11
5.5.10.0000.04319.99
5.5.00.0000.03320.04
5.4.450.0030.09019.53
5.4.440.0030.08019.36
5.4.430.0070.04719.21
5.4.420.0130.06319.40
5.4.410.0030.04019.04
5.4.400.0100.03319.13
5.4.390.0030.04019.20
5.4.380.0030.03719.05
5.4.370.0100.03318.85
5.4.360.0030.03719.20
5.4.350.0030.04719.20
5.4.340.0130.02719.16
5.4.320.0000.04018.90
5.4.310.0030.03719.05
5.4.300.0070.03719.14
5.4.290.0070.03718.84
5.4.280.0030.03318.95
5.4.270.0000.03319.08
5.4.260.0070.03319.20
5.4.250.0070.08019.07
5.4.240.0000.06019.08
5.4.230.0030.03019.17
5.4.220.0030.04019.23
5.4.210.0030.04019.02
5.4.200.0030.05318.89
5.4.190.0070.03319.14
5.4.180.0030.04019.23
5.4.170.0030.04319.02
5.4.160.0030.03019.15
5.4.150.0030.04019.06
5.4.140.0030.03016.46
5.4.130.0070.03316.25
5.4.120.0000.03316.44
5.4.110.0030.05016.57
5.4.100.0000.03716.57
5.4.90.0000.05316.44
5.4.80.0130.06316.55
5.4.70.0000.07016.52
5.4.60.0030.07316.44
5.4.50.0100.06716.50
5.4.40.0030.07716.39
5.4.30.0000.08016.36
5.4.20.0030.07316.32
5.4.10.0100.07316.48
5.4.00.0070.07015.89
5.3.290.0030.03314.69
5.3.280.0000.04014.59
5.3.270.0000.03314.60
5.3.260.0100.03314.69
5.3.250.0070.02714.73
5.3.240.0100.03014.57
5.3.230.0000.03714.56
5.3.220.0100.03314.52
5.3.210.0070.03314.51
5.3.200.0000.04314.51
5.3.190.0070.07314.65
5.3.180.0030.07314.56
5.3.170.0030.07014.59
5.3.160.0130.07314.61
5.3.150.0070.07014.53
5.3.140.0000.05014.52
5.3.130.0070.07314.52
5.3.120.0130.05714.50
5.3.110.0030.07714.63
5.3.100.0030.07714.08
5.3.90.0030.08013.99
5.3.80.0130.06314.06
5.3.70.0100.07314.05
5.3.60.0000.07714.14
5.3.50.0130.07013.91
5.3.40.0030.07714.11
5.3.30.0130.06313.93
5.3.20.0030.07713.60
5.3.10.0000.07013.74
5.3.00.0070.06313.75
5.2.170.0030.06311.09
5.2.160.0030.06011.22
5.2.150.0130.05711.05
5.2.140.0070.06311.21
5.2.130.0000.06311.25
5.2.120.0000.06311.25
5.2.110.0100.06011.21
5.2.100.0030.06011.04
5.2.90.0000.04011.14
5.2.80.0030.05311.16
5.2.70.0100.05711.04
5.2.60.0170.05011.08
5.2.50.0070.06011.05
5.2.40.0100.03010.87
5.2.30.0030.06310.89
5.2.20.0030.05011.11
5.2.10.0000.06010.93
5.2.00.0030.06310.87
5.1.60.0030.05310.01
5.1.50.0100.04010.09
5.1.40.0000.0579.98
5.1.30.0030.05710.27
5.1.20.0030.05710.38
5.1.10.0000.06010.12
5.1.00.0000.05710.11
5.0.50.0000.0478.62
5.0.40.0130.0338.32
5.0.30.0030.0438.32
5.0.20.0000.0438.05
5.0.10.0000.0478.25
5.0.00.0000.0638.22
4.4.90.0000.0377.98
4.4.80.0030.0337.98
4.4.70.0000.0207.98
4.4.60.0030.0377.98
4.4.50.0100.0277.98
4.4.40.0030.0577.98
4.4.30.0070.0337.98
4.4.20.0030.0337.98
4.4.10.0000.0377.98
4.4.00.0030.0537.98
4.3.110.0030.0237.98
4.3.100.0030.0277.98
4.3.90.0000.0237.98
4.3.80.0070.0507.98
4.3.70.0000.0207.98
4.3.60.0030.0337.98
4.3.50.0100.0237.98
4.3.40.0070.0237.98
4.3.30.0070.0307.98
4.3.20.0170.0237.98
4.3.10.0030.0337.98
4.3.00.0070.0307.98

preferences:
40.55 ms | 401 KiB | 5 Q