3v4l.org

run code in 300+ PHP versions simultaneously
<?php spl_autoload_register('loader'); function loader($className) { echo "loading $className\n"; if ($className == 'Wakeup') eval('class Wakeup {public $b; public $e; function __construct(){$this->b = new B; $this->e = new E;} function __wakeup(){echo "var_dump()\n";var_dump($this->b, $this->e);echo "var_dumped()\n";}}'); else if ($className == 'B') eval('class B { function __wakeup(){echo "B::__wakeup\n"; }}'); else if ($className == 'D') eval('class D { function __wakeup(){echo "D::__wakeup\n";}}'); else if ($className == 'E') eval('class E extends D { function __wakeup(){echo "E::__wakeup\n"; }}'); else if ($className == 'ReactException') eval('class ReactException extends Exception{}'); echo "loaded $className: " . class_exists($className, false) . "\n"; return true; } try { unserialize('O:6:"Wakeup":2:{s:1:"b";O:1:"B":0:{}s:1:"e";O:1:"E":0:{}}'); } catch (Exception $e) { echo $e; exit('success'); } echo 'fail';

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)
8.3.40.0090.00618.88
8.3.30.0120.00318.48
8.3.20.0040.00418.58
8.3.10.0090.00020.36
8.3.00.0080.00017.75
8.2.170.0060.00922.96
8.2.160.0110.00722.19
8.2.150.0040.00424.18
8.2.140.0040.00424.66
8.2.130.0070.00026.16
8.2.120.0060.00319.59
8.2.110.0130.00622.25
8.2.100.0080.00417.78
8.2.90.0100.00019.52
8.2.80.0070.00019.25
8.2.70.0060.00317.50
8.2.60.0000.00817.90
8.2.50.0000.00818.07
8.2.40.0050.00319.80
8.2.30.0040.00418.21
8.2.20.0030.00617.77
8.2.10.0040.00417.78
8.2.00.0050.00517.70
8.1.270.0090.00023.99
8.1.260.0050.00326.35
8.1.250.0070.00428.09
8.1.240.0090.00022.54
8.1.230.0080.00320.88
8.1.220.0050.00317.74
8.1.210.0080.00418.80
8.1.200.0040.00717.35
8.1.190.0040.00417.53
8.1.180.0030.00518.10
8.1.170.0080.00018.70
8.1.160.0050.00318.82
8.1.150.0040.00418.72
8.1.140.0030.00517.46
8.1.130.0050.00317.75
8.1.120.0050.00217.40
8.1.110.0080.00317.44
8.1.100.0000.00717.26
8.1.90.0000.00817.43
8.1.80.0040.00417.47
8.1.70.0000.00717.39
8.1.60.0000.00817.55
8.1.50.0060.00317.44
8.1.40.0040.00417.39
8.1.30.0000.00817.50
8.1.20.0060.00317.59
8.1.10.0060.00317.53
8.1.00.0040.00417.44
8.0.300.0000.00920.02
8.0.290.0000.00916.88
8.0.280.0100.00018.48
8.0.270.0000.00717.32
8.0.260.0070.00018.68
8.0.250.0030.00517.13
8.0.240.0110.00016.92
8.0.230.0030.00517.05
8.0.220.0040.00416.88
8.0.210.0030.00317.00
8.0.200.0030.00317.04
8.0.190.0000.00817.02
8.0.180.0040.00417.03
8.0.170.0000.00816.93
8.0.160.0000.00716.91
8.0.150.0040.00416.99
8.0.140.0030.00516.84
8.0.130.0030.00313.46
8.0.120.0000.00817.02
8.0.110.0040.00417.02
8.0.100.0000.00716.89
8.0.90.0040.00416.82
8.0.80.0040.01217.02
8.0.70.0040.00416.98
8.0.60.0040.00417.06
8.0.50.0040.00416.95
8.0.30.0100.00917.07
8.0.20.0030.01717.07
8.0.10.0000.00717.09
8.0.00.0150.01616.86
7.4.330.0000.00514.76
7.4.320.0030.00316.70
7.4.300.0050.00316.64
7.4.290.0070.00016.64
7.4.280.0030.00616.54
7.4.270.0040.00416.66
7.4.260.0030.00313.24
7.4.250.0030.00516.70
7.4.240.0040.00416.54
7.4.230.0040.00416.55
7.4.220.0110.00716.65
7.4.210.0070.01016.52
7.4.200.0040.00416.49
7.4.190.0030.00316.80
7.4.160.0090.00616.52
7.4.150.0100.01417.07
7.4.140.0230.01117.20
7.4.130.0100.00616.69
7.4.120.0110.00616.59
7.4.110.0100.00716.64
7.4.100.0180.00016.45
7.4.90.0110.00716.60
7.4.80.0060.01218.80
7.4.70.0190.00416.50
7.4.60.0110.00816.64
7.4.50.0030.00616.47
7.4.40.0100.00322.26
7.4.30.0090.00716.48
7.4.00.0060.00914.82
7.3.330.0000.00913.28
7.3.320.0000.00713.19
7.3.310.0030.00316.40
7.3.300.0030.00316.39
7.3.290.0160.00016.30
7.3.280.0090.00616.38
7.3.270.0130.00417.07
7.3.260.0100.00818.24
7.3.250.0080.01216.49
7.3.240.0120.00616.67
7.3.230.0130.00416.53
7.3.210.0060.01216.29
7.3.200.0040.01519.39
7.3.190.0110.00716.50
7.3.180.0060.01016.45
7.3.170.0040.01216.25
7.3.160.0080.00816.40
7.3.120.0100.00714.83
7.2.330.0070.01116.63
7.2.320.0070.01116.45
7.2.310.0050.01316.52
7.2.300.0140.00316.77
7.2.290.0100.00716.82
7.2.60.0070.00716.69
7.2.00.0070.00719.54
7.1.200.0050.00315.52
7.1.100.0040.00718.19
7.1.70.0040.00417.20
7.1.60.0060.01619.40
7.1.50.0080.00317.03
7.1.00.0030.06722.36
7.0.200.0050.00316.64
7.0.140.0070.07022.04
7.0.120.0030.03022.04
7.0.60.0100.08319.98
7.0.50.0170.06017.97
7.0.40.0000.04720.25
7.0.30.0300.07320.26
7.0.20.0200.05020.33
7.0.10.0070.08720.33
7.0.00.0100.06020.16
5.6.280.0000.07721.14
5.6.210.0000.06020.51
5.6.200.0200.05018.15
5.6.190.0170.07020.78
5.6.180.0230.04020.34
5.6.170.0230.06720.39
5.6.160.0230.07320.46
5.6.150.0070.08018.27
5.6.140.0130.07018.19
5.6.130.0070.08018.14
5.6.120.0030.06021.08
5.6.110.0130.05721.01
5.6.100.0170.07021.07
5.6.90.0030.04021.04
5.6.80.0030.05320.47
5.5.350.0370.06720.53
5.5.340.0030.07018.00
5.5.330.0070.06720.43
5.5.320.0370.07320.31
5.5.310.0170.05020.20
5.5.300.0030.08017.99
5.5.290.0070.08018.00
5.5.280.0100.08021.00
5.5.270.0030.04320.78
5.5.260.0030.09020.75
5.5.250.0070.05720.72
5.5.240.0070.07720.19
5.4.450.0030.06719.47
5.4.440.0100.04719.56
5.4.430.0100.08019.57
5.4.420.0000.05319.48
5.4.410.0070.07019.05
5.4.400.0100.03319.25
5.4.390.0070.04319.12
5.4.380.0100.05319.20
5.4.370.0070.07718.98
5.4.360.0170.06319.14
5.4.350.0130.03019.15
5.4.340.0030.05319.16
5.4.320.0070.07718.87
5.4.310.0030.04718.86
5.4.300.0170.06319.23
5.4.290.0030.07318.94
5.4.280.0100.06719.08
5.4.270.0100.06019.12
5.4.260.0070.06018.84
5.4.250.0130.06718.85
5.4.240.0130.04319.15
5.4.230.0200.06719.08
5.4.220.0030.05019.11
5.4.210.0130.04019.14
5.4.200.0070.06718.98
5.4.190.0100.07719.14
5.4.180.0130.06719.23
5.4.170.0000.04319.23
5.4.160.0070.03718.98
5.4.150.0070.06319.23
5.4.140.0030.05016.43
5.4.130.0030.07716.34
5.4.120.0030.07316.46
5.4.110.0030.03716.51
5.4.100.0130.07016.59
5.4.90.0100.03316.48
5.4.80.0130.07016.43
5.4.70.0130.05716.42
5.4.60.0000.06016.38
5.4.50.0000.07716.29
5.4.40.0030.04716.41
5.4.30.0030.07316.39
5.4.20.0000.05016.28
5.4.10.0030.04716.28
5.4.00.0070.03715.86
5.3.290.0070.05014.71
5.3.280.0030.08314.69
5.3.270.0070.03714.66
5.3.260.0030.05014.79
5.3.250.0100.07014.71
5.3.240.0100.03314.64
5.3.230.0030.07314.64
5.3.220.0000.05314.49
5.3.210.0100.03314.61
5.3.200.0070.07714.75
5.3.190.0100.04314.66
5.3.180.0070.07314.56
5.3.170.0070.05314.60
5.3.160.0070.08014.52
5.3.150.0070.05714.76
5.3.140.0130.06714.60
5.3.130.0070.07714.58
5.3.120.0170.05714.73
5.3.110.0030.07714.64
5.3.100.0070.07314.12
5.3.90.0100.04313.94
5.3.80.0100.07314.13
5.3.70.0000.04714.06
5.3.60.0000.04014.09
5.3.50.0030.04314.02
5.3.40.0170.04013.99
5.3.30.0000.04014.01
5.3.20.0000.07713.73
5.3.10.0070.05713.69
5.3.00.0170.06713.72
5.2.170.0000.05711.18
5.2.160.0070.05011.20
5.2.150.0030.06011.19
5.2.140.0070.04711.18
5.2.130.0000.03311.03
5.2.120.0030.06711.09
5.2.110.0000.03311.17
5.2.100.0100.06011.10
5.2.90.0030.03711.20
5.2.80.0100.05711.10
5.2.70.0070.06311.20
5.2.60.0100.03711.04
5.2.50.0030.06011.13
5.2.40.0000.03310.99
5.2.30.0030.05311.09
5.2.20.0100.02311.02
5.2.10.0070.03310.98
5.2.00.0030.06310.69
5.1.60.0070.0309.94
5.1.50.0030.02710.10
5.1.40.0030.0339.98
5.1.30.0000.03010.41
5.1.20.0070.02310.41
5.1.10.0030.05710.25
5.1.00.0100.05010.17
5.0.50.0070.0478.51
5.0.40.0030.0378.38
5.0.30.0030.0308.38
5.0.20.0070.0438.11
5.0.10.0000.0378.24
5.0.00.0000.0678.15
4.4.90.0030.0137.46
4.4.80.0000.0377.46
4.4.70.0000.0177.46
4.4.60.0000.0377.46
4.4.50.0000.0177.46
4.4.40.0030.0437.46
4.4.30.0070.0277.46
4.4.20.0000.0377.46
4.4.10.0030.0337.46
4.4.00.0030.0337.46
4.3.110.0000.0207.46
4.3.100.0030.0377.46
4.3.90.0030.0377.46
4.3.80.0070.0477.46
4.3.70.0030.0377.46
4.3.60.0000.0377.46
4.3.50.0070.0307.46
4.3.40.0000.0407.46
4.3.30.0000.0307.46
4.3.20.0000.0237.46
4.3.10.0000.0307.46
4.3.00.0000.0277.46

preferences:
56.95 ms | 400 KiB | 5 Q