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; $this->e = new E;} function __wakeup(){var_dump($this->b, $this->e);}}'); else if ($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)
8.3.60.0150.00618.43
8.3.50.0090.00722.05
8.3.40.0110.00418.79
8.3.30.0080.00819.09
8.3.20.0110.00420.29
8.3.10.0000.00822.11
8.3.00.0000.00822.39
8.2.180.0140.00316.63
8.2.170.0150.00422.96
8.2.160.0100.00320.86
8.2.150.0080.00024.18
8.2.140.0040.00424.66
8.2.130.0060.00926.16
8.2.120.0080.00019.36
8.2.110.0030.00622.29
8.2.100.0070.01017.82
8.2.90.0000.00819.26
8.2.80.0030.00517.97
8.2.70.0060.00317.63
8.2.60.0080.00017.80
8.2.50.0090.00018.07
8.2.40.0040.00418.03
8.2.30.0030.00518.03
8.2.20.0060.00317.56
8.2.10.0040.00417.82
8.2.00.0040.00417.72
8.1.280.0140.00725.92
8.1.270.0040.00422.20
8.1.260.0080.00026.35
8.1.250.0000.00828.09
8.1.240.0060.00323.89
8.1.230.0090.00319.15
8.1.220.0030.00717.80
8.1.210.0040.00418.77
8.1.200.0100.00017.35
8.1.190.0030.00517.41
8.1.180.0030.00618.10
8.1.170.0030.00518.62
8.1.160.0040.00422.04
8.1.150.0000.00718.65
8.1.140.0040.00417.36
8.1.130.0000.00717.71
8.1.120.0050.00517.33
8.1.110.0000.00817.34
8.1.100.0060.00317.30
8.1.90.0050.00217.30
8.1.80.0040.00417.35
8.1.70.0030.00317.38
8.1.60.0030.00517.45
8.1.50.0050.00217.41
8.1.40.0030.00617.47
8.1.30.0040.00417.47
8.1.20.0000.00817.52
8.1.10.0040.00417.54
8.1.00.0000.00717.53
8.0.300.0040.00418.77
8.0.290.0070.00017.16
8.0.280.0000.00718.48
8.0.270.0000.00817.30
8.0.260.0000.00616.92
8.0.250.0000.00717.04
8.0.240.0070.00016.93
8.0.230.0050.00217.00
8.0.220.0070.00016.87
8.0.210.0030.00316.87
8.0.200.0070.00016.91
8.0.190.0030.00416.98
8.0.180.0040.00717.00
8.0.170.0000.00816.86
8.0.160.0050.00216.88
8.0.150.0000.00816.86
8.0.140.0000.00816.95
8.0.130.0000.00713.46
8.0.120.0050.00316.95
8.0.110.0000.00816.94
8.0.100.0090.00016.82
8.0.90.0000.00716.99
8.0.80.0110.00317.02
8.0.70.0000.00817.03
8.0.60.0040.00416.87
8.0.50.0030.00517.05
8.0.30.0100.01517.15
8.0.20.0130.01017.40
8.0.10.0040.00417.16
8.0.00.0110.00816.72
7.4.330.0030.00315.10
7.4.320.0030.00316.63
7.4.300.0000.00616.51
7.4.290.0040.00416.55
7.4.280.0000.00716.59
7.4.270.0000.00716.63
7.4.260.0050.00516.41
7.4.250.0050.00316.53
7.4.240.0020.00616.53
7.4.230.0070.00016.66
7.4.220.0120.00616.62
7.4.210.0100.00516.67
7.4.200.0040.00416.43
7.4.190.0000.00716.67
7.4.160.0090.00916.29
7.4.150.0060.01217.40
7.4.140.0140.00517.86
7.4.130.0090.00916.54
7.4.120.0120.00616.46
7.4.110.0070.01016.52
7.4.100.0100.00716.57
7.4.90.0090.00916.67
7.4.80.0080.01119.39
7.4.70.0000.01716.46
7.4.60.0100.00716.48
7.4.50.0060.00316.71
7.4.40.0000.01322.77
7.4.30.0080.01016.47
7.4.00.0040.01414.84
7.3.330.0050.00013.35
7.3.320.0050.00013.47
7.3.310.0030.00316.29
7.3.300.0070.00016.37
7.3.290.0090.00616.41
7.3.280.0110.00616.37
7.3.270.0070.01017.40
7.3.260.0080.02216.46
7.3.250.0090.00916.51
7.3.240.0090.00916.42
7.3.230.0070.01016.56
7.3.210.0030.01416.58
7.3.200.0170.00019.39
7.3.190.0060.01316.40
7.3.180.0060.01016.53
7.3.170.0060.01116.49
7.3.160.0110.00716.32
7.3.120.0000.01615.18
7.3.10.0080.00516.46
7.3.00.0000.00916.55
7.2.330.0120.00616.60
7.2.320.0200.00716.64
7.2.310.0140.00316.48
7.2.300.0070.01016.81
7.2.290.0040.01316.40
7.2.130.0040.01416.73
7.2.120.0060.00616.75
7.2.110.0040.00716.85
7.2.100.0040.00716.86
7.2.90.0080.00816.64
7.2.80.0060.00917.05
7.2.70.0000.01316.98
7.2.60.0030.00916.95
7.2.50.0150.00416.86
7.2.40.0000.01116.80
7.2.30.0100.00317.01
7.2.20.0070.00716.88
7.2.10.0100.00717.03
7.2.00.0070.00518.07
7.1.250.0000.01415.83
7.1.200.0030.00615.87
7.1.100.0090.00617.95
7.1.70.0100.00016.93
7.1.60.0060.01919.82
7.1.50.0030.01317.05
7.1.00.0000.07322.51
7.0.200.0000.01016.78
7.0.140.0000.07721.98
7.0.100.0270.04320.18
7.0.90.0100.06719.89
7.0.80.0100.06020.02
7.0.70.0100.07720.03
7.0.60.0300.07719.84
7.0.50.0100.08320.31
7.0.40.0070.05320.11
7.0.30.0170.07320.04
7.0.20.0170.06020.04
7.0.10.0100.04320.09
7.0.00.0130.06720.04
5.6.280.0030.07320.85
5.6.250.0000.05320.62
5.6.240.0030.05720.73
5.6.230.0100.04720.66
5.6.220.0030.09020.66
5.6.210.0030.07720.62
5.6.200.0100.08021.12
5.6.190.0030.08321.13
5.6.180.0130.06320.98
5.6.170.0130.08021.07
5.6.160.0030.08021.06
5.6.150.0000.05721.20
5.6.140.0070.05721.07
5.6.130.0130.07721.04
5.6.120.0070.04321.20
5.6.110.0130.04321.02
5.6.100.0030.07721.16
5.6.90.0170.07021.04
5.6.80.0100.07320.52
5.6.70.0030.08020.43
5.6.60.0070.08020.34
5.6.50.0030.08020.43
5.6.40.0170.06320.50
5.6.30.0070.03720.54
5.6.20.0100.07320.47
5.6.10.0070.04320.44
5.6.00.0100.07320.45
5.5.380.0070.07020.38
5.5.370.0170.07020.43
5.5.360.0070.05020.42
5.5.350.0100.04720.36
5.5.340.0070.08020.98
5.5.330.0070.06720.94
5.5.320.0070.07320.96
5.5.310.0070.08020.87
5.5.300.0200.06720.67
5.5.290.0100.07720.87
5.5.280.0030.05320.77
5.5.270.0070.08320.90
5.5.260.0130.07720.79
5.5.250.0030.08320.73
5.5.240.0070.07020.27
5.5.230.0070.07320.25
5.5.220.0070.07320.20
5.5.210.0070.04720.12
5.5.200.0030.05020.03
5.5.190.0070.06720.23
5.5.180.0070.06020.08
5.5.160.0170.07020.18
5.5.150.0070.06720.21
5.5.140.0130.06720.26
5.5.130.0030.04720.24
5.5.120.0070.05020.27
5.5.110.0130.03019.95
5.5.100.0000.04320.16
5.5.90.0100.03320.09
5.5.80.0030.04319.98
5.5.70.0070.03720.04
5.5.60.0100.03020.16
5.5.50.0000.04020.11
5.5.40.0030.04020.14
5.5.30.0100.07020.04
5.5.20.0130.07019.93
5.5.10.0130.06020.06
5.5.00.0000.04320.04
5.4.450.0070.08019.54
5.4.440.0130.07019.45
5.4.430.0200.06719.36
5.4.420.0100.07719.17
5.4.410.0070.08019.08
5.4.400.0170.07018.91
5.4.390.0100.07719.14
5.4.380.0170.07319.04
5.4.370.0070.07719.24
5.4.360.0130.06719.14
5.4.350.0030.09719.14
5.4.340.0170.08318.89
5.4.320.0100.07318.95
5.4.310.0070.07319.19
5.4.300.0100.04719.21
5.4.290.0070.04019.16
5.4.280.0100.04018.88
5.4.270.0000.04018.87
5.4.260.0030.03718.85
5.4.250.0030.03718.95
5.4.240.0070.03718.90
5.4.230.0030.04019.17
5.4.220.0030.03719.16
5.4.210.0070.03319.16
5.4.200.0070.04019.16
5.4.190.0030.04319.15
5.4.180.0070.07318.96
5.4.170.0100.02718.89
5.4.160.0030.03719.19
5.4.150.0030.04019.15
5.4.140.0000.03716.43
5.4.130.0000.04016.43
5.4.120.0030.04016.36
5.4.110.0100.03316.48
5.4.100.0070.03016.46
5.4.90.0070.03716.36
5.4.80.0000.03716.38
5.4.70.0070.03716.46
5.4.60.0000.04016.48
5.4.50.0030.03716.43
5.4.40.0070.03316.43
5.4.30.0070.03316.42
5.4.20.0000.03716.29
5.4.10.0070.03316.49
5.4.00.0030.03715.80
5.3.290.0170.07314.70
5.3.280.0070.04314.69
5.3.270.0100.05314.59
5.3.260.0100.06714.64
5.3.250.0000.04714.66
5.3.240.0030.03314.75
5.3.230.0030.04014.58
5.3.220.0030.03714.52
5.3.210.0070.03314.61
5.3.200.0030.03314.74
5.3.190.0030.03714.67
5.3.180.0100.03714.57
5.3.170.0030.04014.63
5.3.160.0030.03714.73
5.3.150.0030.03714.69
5.3.140.0070.03314.59
5.3.130.0000.04014.57
5.3.120.0070.03714.66
5.3.110.0030.03714.65
5.3.100.0070.03014.08
5.3.90.0030.03714.11
5.3.80.0100.03013.94
5.3.70.0030.03314.09
5.3.60.0070.03314.14
5.3.50.0000.04013.98
5.3.40.0000.04313.92
5.3.30.0100.03014.07
5.3.20.0030.03713.79
5.3.10.0070.03013.62
5.3.00.0070.03013.73
5.2.170.0030.03011.11
5.2.160.0030.03311.19
5.2.150.0000.03311.31
5.2.140.0000.03311.32
5.2.130.0070.03011.13
5.2.120.0000.03011.17
5.2.110.0030.02711.21
5.2.100.0030.02711.24
5.2.90.0000.03011.18
5.2.80.0000.03011.21
5.2.70.0000.03011.18
5.2.60.0000.03011.23
5.2.50.0000.03010.92
5.2.40.0000.03711.09
5.2.30.0030.03010.96
5.2.20.0030.03711.07
5.2.10.0000.03310.84
5.2.00.0030.02710.69
5.1.60.0030.02310.02
5.1.50.0000.03010.14
5.1.40.0030.05710.01
5.1.30.0030.03310.29
5.1.20.0030.05310.38
5.1.10.0000.03710.09
5.1.00.0070.0509.94
5.0.50.0000.0308.55
5.0.40.0030.0478.46
5.0.30.0030.0508.23
5.0.20.0130.0408.32
5.0.10.0000.0278.24
5.0.00.0030.0438.18
4.4.90.0000.0138.18
4.4.80.0000.0178.18
4.4.70.0030.0238.18
4.4.60.0030.0178.18
4.4.50.0030.0178.18
4.4.40.0000.0278.18
4.4.30.0030.0338.18
4.4.20.0030.0378.18
4.4.10.0030.0278.18
4.4.00.0030.0378.18
4.3.110.0030.0308.18
4.3.100.0000.0208.18
4.3.90.0000.0238.18
4.3.80.0000.0278.18
4.3.70.0030.0338.18
4.3.60.0070.0238.18
4.3.50.0000.0278.18
4.3.40.0000.0538.18
4.3.30.0000.0208.18
4.3.20.0100.0308.18
4.3.10.0000.0278.18
4.3.00.0070.0308.18

preferences:
47.72 ms | 401 KiB | 5 Q