3v4l.org

run code in 300+ PHP versions simultaneously
<?php /* Challenge 1: Modify Test::$secret before it's output. Rules:: 1. No use of Reflection API / runkit extension 2. No stopping execution before Test::run() 3. No Exceptions or PHP errors / warnings notices allowed Hints: 1. Caesar 2. Magic methods 3. Requires a new feature of PHP 5.4 */ 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) { $key = $v[($v[$v])]; // $v is some kind of weird array $value = $v(); // and a callback! $this->{$key} = $value; } } $test = new Test; // start editing here class A implements ArrayAccess { private $callCount = 0; public function __invoke(){ echo "WOO";die; } public function offsetSet($offset, $value) {} public function offsetExists($offset) { return true; } public function offsetUnset($offset) {} public function offsetGet($offset) { $this->callCount++; if ($this->callCount == 1){ $r = $this; } else { $r = "FOO"; } return $r; } } $test->foo = new A; // 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)
8.3.60.0160.00318.67
8.3.50.0100.00921.21
8.3.40.0060.00818.70
8.3.30.0030.01720.26
8.3.20.0080.00020.16
8.3.10.0050.00322.09
8.3.00.0040.00422.52
8.2.180.0100.01016.88
8.2.170.0070.00722.96
8.2.160.0070.00720.39
8.2.150.0040.00424.18
8.2.140.0060.00324.66
8.2.130.0080.00026.16
8.2.120.0070.00719.54
8.2.110.0050.00520.35
8.2.100.0090.00317.91
8.2.90.0070.00018.93
8.2.80.0090.00019.21
8.2.70.0080.00017.75
8.2.60.0040.00418.04
8.2.50.0050.00318.07
8.2.40.0000.00818.28
8.2.30.0000.00718.07
8.2.20.0000.00817.73
8.2.10.0070.00017.90
8.2.00.0070.00017.88
8.1.280.0140.00025.92
8.1.270.0070.00024.66
8.1.260.0080.00026.35
8.1.250.0000.00728.09
8.1.240.0000.00923.82
8.1.230.0090.00318.94
8.1.220.0050.00317.76
8.1.210.0000.00918.77
8.1.200.0100.00017.48
8.1.190.0000.00817.30
8.1.180.0000.00820.20
8.1.170.0080.00018.48
8.1.160.0080.00022.07
8.1.150.0000.00818.54
8.1.140.0070.00017.43
8.1.130.0000.00817.86
8.1.120.0050.00217.48
8.1.110.0000.00717.47
8.1.100.0040.00417.48
8.1.90.0000.00717.52
8.1.80.0000.00817.40
8.1.70.0000.00717.43
8.1.60.0060.00317.61
8.1.50.0000.00717.43
8.1.40.0070.00017.45
8.1.30.0040.00417.57
8.1.20.0000.00917.68
8.1.10.0000.00717.55
8.1.00.0040.00417.41
8.0.300.0080.00018.77
8.0.290.0000.00717.16
8.0.280.0040.00418.38
8.0.270.0070.00017.23
8.0.260.0030.00316.97
8.0.250.0030.00317.02
8.0.240.0000.00816.94
8.0.230.0000.00816.94
8.0.220.0030.00316.96
8.0.210.0070.00016.89
8.0.200.0060.00016.93
8.0.190.0060.00317.05
8.0.180.0100.00016.96
8.0.170.0030.00516.91
8.0.160.0000.00716.82
8.0.150.0050.00217.05
8.0.140.0000.01016.79
8.0.130.0050.00013.40
8.0.120.0040.00416.96
8.0.110.0070.00016.93
8.0.100.0040.00416.81
8.0.90.0000.00817.09
8.0.80.0120.00316.96
8.0.70.0000.00717.05
8.0.60.0040.00416.87
8.0.50.0040.00416.76
8.0.30.0080.01217.18
8.0.20.0110.00717.40
8.0.10.0040.00416.99
8.0.00.0060.01416.81
7.4.330.0000.00415.00
7.4.320.0000.00716.46
7.4.300.0000.00616.53
7.4.290.0000.00616.64
7.4.280.0000.00716.63
7.4.270.0030.00416.51
7.4.260.0000.00716.54
7.4.250.0000.00816.58
7.4.240.0020.00616.59
7.4.230.0070.00016.65
7.4.220.0030.01316.46
7.4.210.0070.00816.62
7.4.200.0070.00016.42
7.4.190.0030.00316.67
7.4.160.0080.01216.55
7.4.150.0070.01117.40
7.4.140.0130.00917.86
7.4.130.0100.00716.54
7.4.120.0110.00616.55
7.4.110.0070.01016.45
7.4.100.0090.00916.68
7.4.90.0050.01316.58
7.4.80.0120.00619.39
7.4.70.0090.01216.59
7.4.60.0060.01016.52
7.4.50.0000.00916.51
7.4.40.0040.00822.77
7.4.30.0090.00916.61
7.4.00.0110.00414.93
7.3.330.0050.00013.41
7.3.320.0030.00313.37
7.3.310.0070.00016.38
7.3.300.0070.00016.40
7.3.290.0030.01116.35
7.3.280.0090.00716.36
7.3.270.0150.00817.40
7.3.260.0100.01016.55
7.3.250.0090.01016.40
7.3.240.0120.00616.44
7.3.230.0070.01116.46
7.3.210.0000.01716.46
7.3.200.0080.00819.39
7.3.190.0120.00916.35
7.3.180.0040.01116.40
7.3.170.0110.01416.50
7.3.160.0070.01016.39
7.3.120.0100.00315.08
7.3.10.0000.01416.41
7.3.00.0040.00416.59
7.2.330.0150.00316.56
7.2.320.0000.01816.58
7.2.310.0100.00616.82
7.2.300.0100.00716.68
7.2.290.0000.01616.88
7.2.130.0030.01216.88
7.2.120.0060.00916.79
7.2.110.0030.00616.67
7.2.100.0040.01016.83
7.2.90.0030.01017.12
7.2.80.0030.01017.01
7.2.70.0030.01216.52
7.2.60.0120.00316.67
7.2.50.0030.01116.94
7.2.40.0000.01117.09
7.2.30.0030.00616.91
7.2.20.0030.00916.88
7.2.10.0090.00616.96
7.2.00.0060.00616.71
7.1.250.0080.00415.84
7.1.200.0080.00615.58
7.1.70.0000.01116.79
7.1.60.0100.01419.43
7.1.50.0000.02016.94
7.1.00.0070.09022.42
7.0.200.0130.00816.76
7.0.140.0000.07722.09
7.0.110.0000.08721.82
7.0.100.0070.05021.76
7.0.90.0000.08321.70
7.0.80.0030.07721.81
7.0.70.0070.08021.76
7.0.60.0070.08321.75
7.0.50.0070.07722.18
7.0.40.0030.06320.00
7.0.30.0000.08720.20
7.0.20.0030.07719.97
7.0.10.0030.07719.90
7.0.00.0030.07320.10
5.6.280.0070.06720.86
5.6.260.0000.08020.63
5.6.250.0070.04320.62
5.6.240.0030.08320.66
5.6.230.0100.07720.52
5.6.220.0100.04320.54
5.6.210.0070.08020.61
5.6.200.0030.05021.02
5.6.190.0000.05720.89
5.6.180.0030.04720.94
5.6.170.0170.06721.06
5.6.160.0070.07321.02
5.6.150.0030.08320.98
5.6.140.0030.04320.89
5.6.130.0030.07721.10
5.6.120.0070.08020.89
5.6.110.0000.04721.05
5.6.100.0000.07721.16
5.6.90.0070.07721.04
5.6.80.0070.03720.48
5.6.70.0070.07320.32
5.6.60.0030.04720.41
5.6.50.0100.07720.27
5.6.40.0070.05720.25
5.6.30.0000.08320.46
5.6.20.0000.08320.53
5.6.10.0070.09720.39
5.6.00.0100.04720.38
5.5.380.0000.09320.50
5.5.370.0030.07720.32
5.5.360.0000.08720.32
5.5.350.0070.07720.41
5.5.340.0070.05320.95
5.5.330.0030.05020.91
5.5.320.0070.05020.77
5.5.310.0000.07721.00
5.5.300.0000.08020.80
5.5.290.0030.07020.98
5.5.280.0000.05020.83
5.5.270.0130.07320.76
5.5.260.0070.07720.92
5.5.250.0100.07320.66
5.5.240.0000.04020.24
5.5.230.0000.05720.11
5.5.220.0000.07320.23
5.5.210.0030.07320.18
5.5.200.0000.06720.11
5.5.190.0130.07320.09
5.5.180.0100.07320.30
5.5.160.0070.07720.28
5.5.150.0100.06720.12
5.5.140.0030.07020.31
5.5.130.0100.07320.19
5.5.120.0070.04320.09
5.5.110.0030.06020.11
5.5.100.0070.07320.16
5.5.90.0000.08320.21
5.5.80.0100.06719.95
5.5.70.0070.07720.14
5.5.60.0030.07320.09
5.5.50.0030.07720.23
5.5.40.0000.07720.14
5.5.30.0000.07319.94
5.5.20.0070.04720.00
5.5.10.0070.07320.13
5.5.00.0030.08020.18
5.4.450.0070.07019.50
5.4.440.0070.08019.32
5.4.430.0030.08319.43
5.4.420.0030.05319.50
5.4.410.0030.07019.44
5.4.400.0030.04719.18
5.4.390.0100.06719.18
5.4.380.0000.07718.96
5.4.370.0000.07718.98
5.4.360.0000.04719.23
5.4.350.0030.07718.99
5.4.340.0070.07319.16
5.4.320.0030.07319.23
5.4.310.0100.06718.95
5.4.300.0100.06719.33
5.4.290.0070.06319.18
5.4.280.0030.06019.01
5.4.270.0070.07019.17
5.4.260.0070.07018.99
5.4.250.0070.05018.94
5.4.240.0070.07319.10
5.4.230.0000.08019.00
5.4.220.0070.07019.15
5.4.210.0030.07319.22
5.4.200.0000.06019.33
5.4.190.0000.08019.23
5.4.180.0030.07719.23
5.4.170.0100.07719.23
5.4.160.0070.06319.14
5.4.150.0130.07019.29
5.4.140.0070.07716.39
5.4.130.0070.07316.31
5.4.120.0030.07016.41
5.4.110.0000.07016.50
5.4.100.0070.05716.46
5.4.90.0070.06016.65
5.4.80.0000.07316.48
5.4.70.0000.04316.51
5.4.60.0000.06716.41
5.4.50.0030.07716.29
5.4.40.0070.05316.57
5.4.30.0000.06316.44
5.4.20.0070.04316.38
5.4.10.0000.07316.47
5.4.00.0100.03015.75
5.3.290.0000.07014.65
5.3.280.0030.07014.70
5.3.270.0030.07714.65
5.3.260.0030.04014.62
5.3.250.0030.05314.47
5.3.240.0000.07314.61
5.3.230.0030.05714.83
5.3.220.0070.06714.57
5.3.210.0000.04314.57
5.3.200.0070.07014.52
5.3.190.0030.05714.66
5.3.180.0070.07014.61
5.3.170.0000.08014.59
5.3.160.0100.07314.55
5.3.150.0000.08014.56
5.3.140.0100.06714.57
5.3.130.0070.06314.43
5.3.120.0030.06014.64
5.3.110.0030.05314.58
5.3.100.0070.05314.05
5.3.90.0000.06314.05
5.3.80.0070.03714.12
5.3.70.0030.07014.25
5.3.60.0030.07314.10
5.3.50.0030.03313.96
5.3.40.0030.07013.98
5.3.30.0000.05014.00
5.3.20.0000.05713.72
5.3.10.0070.06313.63
5.3.00.0000.04313.73
5.2.170.0000.03711.41
5.2.160.0000.06011.41
5.2.150.0000.05011.41
5.2.140.0000.06311.41
5.2.130.0070.03011.41
5.2.120.0070.04011.41
5.2.110.0000.03311.41
5.2.100.0000.06011.41
5.2.90.0030.04311.41
5.2.80.0000.05711.41
5.2.70.0030.05311.41
5.2.60.0030.04011.41
5.2.50.0100.04311.41
5.2.40.0030.06011.41
5.2.30.0030.04311.41
5.2.20.0030.04311.41
5.2.10.0070.04311.41
5.2.00.0030.05711.41
5.1.60.0000.05011.41
5.1.50.0000.04011.41
5.1.40.0000.02711.41
5.1.30.0070.02311.41
5.1.20.0030.05311.41
5.1.10.0000.03711.41
5.1.00.0030.03011.41
5.0.50.0030.04711.41
5.0.40.0030.03311.41
5.0.30.0070.04711.41
5.0.20.0000.02311.41
5.0.10.0000.04011.41
5.0.00.0000.06011.41
4.4.90.0000.02011.41
4.4.80.0000.03711.41
4.4.70.0000.02311.41
4.4.60.0000.01711.41
4.4.50.0000.03011.41
4.4.40.0000.03011.41
4.4.30.0000.02011.41
4.4.20.0030.02711.41
4.4.10.0000.03011.41
4.4.00.0000.04711.41
4.3.110.0000.01711.41
4.3.100.0000.03011.41
4.3.90.0000.01711.41
4.3.80.0000.04711.41
4.3.70.0030.01711.41
4.3.60.0070.03011.41
4.3.50.0030.02711.41
4.3.40.0000.03311.41
4.3.30.0000.03011.41
4.3.20.0000.03311.41
4.3.10.0000.02711.41
4.3.00.0030.02311.41

preferences:
45.34 ms | 401 KiB | 5 Q