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)
8.3.40.0150.00018.70
8.3.30.0140.00020.18
8.3.20.0030.00520.36
8.3.10.0040.00420.97
8.3.00.0040.00422.43
8.2.170.0160.00622.96
8.2.160.0030.01020.45
8.2.150.0080.00024.18
8.2.140.0050.00324.66
8.2.130.0060.00326.16
8.2.120.0040.00420.75
8.2.110.0090.00019.33
8.2.100.0120.00017.78
8.2.90.0000.00819.15
8.2.80.0040.00419.32
8.2.70.0040.00417.63
8.2.60.0040.00417.80
8.2.50.0030.00718.07
8.2.40.0040.00419.97
8.2.30.0040.00419.47
8.2.20.0050.00317.56
8.2.10.0030.00517.77
8.2.00.0090.00017.71
8.1.270.0060.00323.99
8.1.260.0060.00326.35
8.1.250.0050.00228.09
8.1.240.0040.00722.42
8.1.230.0090.00321.04
8.1.220.0040.00418.77
8.1.210.0000.00818.87
8.1.200.0060.00317.12
8.1.190.0040.00417.41
8.1.180.0060.00318.10
8.1.170.0080.00018.49
8.1.160.0070.00018.91
8.1.150.0040.00418.61
8.1.140.0000.00717.37
8.1.130.0000.00817.79
8.1.120.0030.00417.32
8.1.110.0080.00017.47
8.1.100.0040.00417.42
8.1.90.0000.00817.45
8.1.80.0040.00417.30
8.1.70.0000.00717.32
8.1.60.0030.00617.58
8.1.50.0040.00417.48
8.1.40.0040.00417.41
8.1.30.0030.00517.64
8.1.20.0050.00317.51
8.1.10.0040.00417.57
8.1.00.0000.00817.40
8.0.300.0050.00219.97
8.0.290.0030.00517.04
8.0.280.0050.00218.39
8.0.270.0070.00017.21
8.0.260.0000.00716.91
8.0.250.0070.00016.95
8.0.240.0040.00417.05
8.0.230.0000.00716.92
8.0.220.0000.00716.96
8.0.210.0000.00716.97
8.0.200.0030.00317.05
8.0.190.0030.00516.94
8.0.180.0000.00817.06
8.0.170.0050.00316.86
8.0.160.0000.00716.95
8.0.150.0030.00316.98
8.0.140.0070.00016.85
8.0.130.0030.00313.41
8.0.120.0000.00716.96
8.0.110.0030.00516.96
8.0.100.0000.00716.80
8.0.90.0040.00417.01
8.0.80.0070.01416.94
8.0.70.0050.00216.88
8.0.60.0050.00216.93
8.0.50.0000.00716.96
8.0.30.0100.01216.99
8.0.20.0190.02917.40
8.0.10.0070.00017.05
8.0.00.0090.01116.76
7.4.330.0030.00216.83
7.4.320.0000.00616.54
7.4.300.0000.00616.63
7.4.290.0030.00316.51
7.4.280.0030.00316.62
7.4.270.0070.00016.64
7.4.260.0030.00313.32
7.4.250.0000.00816.60
7.4.240.0010.00616.54
7.4.230.0030.00516.73
7.4.220.0090.00916.73
7.4.210.0050.01216.64
7.4.200.0070.00016.63
7.4.190.0030.00316.72
7.4.160.0100.00716.49
7.4.150.0150.00417.40
7.4.140.0060.01117.86
7.4.130.0090.00916.63
7.4.120.0080.01016.45
7.4.110.0130.00316.24
7.4.100.0060.01216.39
7.4.90.0130.00616.72
7.4.80.0090.00919.39
7.4.70.0080.00816.61
7.4.60.0110.01116.43
7.4.50.0080.00016.14
7.4.40.0030.01022.77
7.4.30.0060.01016.78
7.4.00.0030.01314.88
7.3.330.0000.00613.42
7.3.320.0050.00013.40
7.3.310.0030.00316.20
7.3.300.0080.00016.28
7.3.290.0110.00416.37
7.3.280.0070.01216.39
7.3.270.0030.01517.40
7.3.260.0130.01418.24
7.3.250.0140.00416.45
7.3.240.0110.00616.45
7.3.230.0090.00916.54
7.3.210.0000.01716.55
7.3.200.0130.00719.39
7.3.190.0060.01216.60
7.3.180.0030.01416.41
7.3.170.0090.00916.57
7.3.160.0100.00516.70
7.3.120.0110.00014.90
7.3.10.0100.00316.90
7.3.00.0040.00716.39
7.2.330.0030.01516.67
7.2.320.0040.00816.49
7.2.310.0180.00016.71
7.2.300.0140.01116.90
7.2.290.0110.01116.64
7.2.130.0040.01217.05
7.2.120.0090.00616.84
7.2.110.0080.00716.80
7.2.100.0110.00416.80
7.2.90.0030.01016.88
7.2.80.0080.00716.92
7.2.70.0070.00716.98
7.2.60.0080.00417.16
7.2.50.0070.01117.10
7.2.40.0140.00716.54
7.2.30.0110.00716.97
7.2.20.0090.00916.66
7.2.10.0060.00916.79
7.2.00.0070.01416.94
7.1.250.0070.00715.83
7.1.200.0060.00915.79
7.1.100.0000.01717.96
7.1.70.0000.00717.24
7.1.60.0160.01019.17
7.1.50.0080.01534.90
7.1.00.0070.03022.31
7.0.200.0070.00016.60
7.0.140.0070.07022.00
7.0.60.0200.08020.03
7.0.50.0070.07717.90
7.0.40.0070.05720.05
7.0.30.0230.05020.17
7.0.20.0370.04020.21
7.0.10.0330.07720.11
7.0.00.0130.05320.04
5.6.280.0030.09320.88
5.6.210.0130.07020.60
5.6.200.0100.07718.20
5.6.190.0070.08320.54
5.6.180.0200.05320.50
5.6.170.0170.04720.72
5.6.160.0070.09020.38
5.6.150.0070.06718.18
5.6.140.0100.05018.20
5.6.130.0070.04018.28
5.6.120.0200.05721.17
5.6.110.0030.09021.05
5.6.100.0200.07321.08
5.6.90.0000.04321.01
5.6.80.0100.03320.41
5.6.70.0270.08020.38
5.5.350.0130.04020.39
5.5.340.0100.07318.08
5.5.330.0030.04320.32
5.5.320.0230.03720.41
5.5.310.0370.07020.31
5.5.300.0070.04717.97
5.5.290.0100.07717.97
5.5.280.0100.08320.91
5.5.270.0200.07320.70
5.5.260.0070.07720.89
5.5.250.0100.07720.49
5.5.240.0230.06720.30
5.4.450.0300.05719.47
5.4.440.0200.07719.49
5.4.430.0270.07019.30
5.4.420.0170.05019.63
5.4.410.0300.07019.44
5.4.400.0330.06318.98
5.4.390.0230.04019.22
5.4.380.0300.06719.22
5.4.370.0170.04719.09
5.4.360.0100.06718.84
5.4.350.0870.06318.84
5.4.340.2500.03719.16
5.4.320.2500.04019.15
5.4.310.2130.03719.31
5.4.300.2270.03719.22
5.4.290.1870.03719.23
5.4.280.2000.04319.15
5.4.270.1930.03718.95
5.4.260.1830.03019.06
5.4.250.1770.03319.21
5.4.240.0400.05319.21
5.4.230.0000.04019.18
5.4.220.0030.04719.21
5.4.210.1870.04018.95
5.4.200.1970.05019.30
5.4.190.1830.03319.05
5.4.180.1900.04018.94
5.4.170.1800.03718.99
5.4.160.1770.03719.14
5.4.150.1800.03718.84
5.4.140.1930.04716.36
5.4.130.2000.04016.55
5.4.120.1900.03716.54
5.4.110.1700.04016.50
5.4.100.0030.03316.50
5.4.90.0070.03716.30
5.4.80.1030.03016.31
5.4.70.2200.04016.57
5.4.60.2070.03016.44
5.4.50.1970.03316.45
5.4.40.1970.04316.35
5.4.30.2100.04016.24
5.4.20.1800.03716.48
5.4.10.2030.04316.43
5.4.00.1970.03715.80
5.3.290.2370.03314.93
5.3.280.0630.05314.55
5.3.270.0070.04014.77
5.3.260.0200.06314.54
5.3.250.2000.03714.75
5.3.240.2170.03314.75
5.3.230.1970.04314.54
5.3.220.1930.04014.58
5.3.210.2070.04014.50
5.3.200.2070.04014.50
5.3.190.2130.03014.67
5.3.180.1870.04014.60
5.3.170.1900.03314.75
5.3.160.2100.04014.82
5.3.150.2030.03714.74
5.3.140.2070.04314.67
5.3.130.1830.04014.73
5.3.120.2100.04314.66
5.3.110.1870.04714.57
5.3.100.1970.04314.07
5.3.90.1800.03314.05
5.3.80.1730.04013.96
5.3.70.2230.03714.02
5.3.60.1900.03714.05
5.3.50.2070.03713.93
5.3.40.0800.04713.91
5.3.30.0100.06713.97
5.3.20.0100.07013.74
5.3.10.1030.03713.84
5.3.00.1800.04013.58
5.2.170.1500.03011.09
5.2.160.1730.03011.11
5.2.150.0500.05011.11
5.2.140.0100.05711.19
5.2.130.0070.03011.29
5.2.120.0100.02311.05
5.2.110.0630.04711.22
5.2.100.1670.03311.08
5.2.90.1700.03311.11
5.2.80.1670.04011.12
5.2.70.1770.03011.16
5.2.60.1430.03011.17
5.2.50.1370.03011.27
5.2.40.0000.03311.04
5.2.30.0030.03310.98
5.2.20.0070.02710.92
5.2.10.0000.03010.88
5.2.00.0000.03010.69
5.1.60.1270.02310.11
5.1.50.1300.0239.92
5.1.40.1300.0279.99
5.1.30.1270.02310.30
5.1.20.1270.03010.40
5.1.10.1170.02710.25
5.1.00.1200.02310.05
5.0.50.0800.0278.52
5.0.40.0800.0238.54
5.0.30.0630.0308.39
5.0.20.0630.0208.39
5.0.10.0670.0208.39
5.0.00.0670.0278.39
4.4.90.0630.0138.39
4.4.80.0600.0178.39
4.4.70.0630.0138.39
4.4.60.0600.0178.39
4.4.50.0670.0208.39
4.4.40.0500.0278.39
4.4.30.0000.0178.39
4.4.20.0030.0138.39
4.4.10.0030.0138.39
4.4.00.0000.0278.39
4.3.110.0000.0208.39
4.3.100.0000.0138.39
4.3.90.0000.0178.39
4.3.80.0300.0238.39
4.3.70.0700.0208.39
4.3.60.0630.0138.39
4.3.50.0600.0178.39
4.3.40.0600.0238.39
4.3.30.0300.0178.39
4.3.20.0330.0138.39
4.3.10.0300.0178.39
4.3.00.0330.0138.39

preferences:
37.57 ms | 400 KiB | 5 Q