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; $this->e = new E;}}'); else if ($className == 'B') eval('class B { function __wakeup(){echo "B::__wakeup"; throw new ReactException;}}'); else if ($className == 'D') eval('class D { function __wakeup(){echo "D::__wakeup";}}'); else if ($className == 'E') eval('class E extends D { function __wakeup(){echo "E::__wakeup";}}'); 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)
8.3.40.0120.00318.71
8.3.30.0100.01020.29
8.3.20.0080.00020.48
8.3.10.0080.00020.92
8.3.00.0000.00822.49
8.2.170.0110.00419.05
8.2.160.0140.00422.96
8.2.150.0040.00425.66
8.2.140.0040.00424.66
8.2.130.0030.00526.16
8.2.120.0040.00420.66
8.2.110.0070.00322.25
8.2.100.0040.00821.19
8.2.90.0060.00317.63
8.2.80.0060.00318.90
8.2.70.0060.00317.68
8.2.60.0000.00817.93
8.2.50.0000.00918.10
8.2.40.0000.00822.38
8.2.30.0070.00019.35
8.2.20.0050.00217.75
8.2.10.0000.00817.77
8.2.00.0040.00417.78
8.1.270.0040.00424.66
8.1.260.0040.00426.35
8.1.250.0070.00028.09
8.1.240.0030.00619.14
8.1.230.0090.00319.29
8.1.220.0000.00817.74
8.1.210.0050.00318.77
8.1.200.0080.00017.13
8.1.190.0000.00917.22
8.1.180.0050.00318.10
8.1.170.0040.00418.70
8.1.160.0040.00418.91
8.1.150.0000.00718.71
8.1.140.0050.00217.48
8.1.130.0030.00317.86
8.1.120.0090.00017.52
8.1.110.0000.00817.38
8.1.100.0040.00417.37
8.1.90.0040.00417.37
8.1.80.0040.00417.46
8.1.70.0030.00317.39
8.1.60.0030.00617.54
8.1.50.0040.00417.55
8.1.40.0000.00817.43
8.1.30.0030.00617.60
8.1.20.0000.00817.53
8.1.10.0040.00417.47
8.1.00.0040.00417.56
8.0.300.0040.00418.77
8.0.290.0040.00416.88
8.0.280.0080.00018.48
8.0.270.0000.00817.30
8.0.260.0000.00716.83
8.0.250.0030.00317.08
8.0.240.0000.00817.04
8.0.230.0000.00716.95
8.0.220.0000.00716.96
8.0.210.0070.00017.00
8.0.200.0000.00617.09
8.0.190.0040.00416.93
8.0.180.0050.00316.91
8.0.170.0050.00317.02
8.0.160.0000.00816.95
8.0.150.0000.00716.89
8.0.140.0030.00516.99
8.0.130.0000.00613.42
8.0.120.0080.00016.86
8.0.110.0000.00716.99
8.0.100.0000.00716.93
8.0.90.0070.00016.95
8.0.80.0100.01017.05
8.0.70.0040.00416.86
8.0.60.0000.00816.89
8.0.50.0000.00716.99
8.0.30.0080.01117.11
8.0.20.0100.01217.40
8.0.10.0070.00017.04
8.0.00.0100.00816.85
7.4.330.0050.00016.78
7.4.320.0060.00016.64
7.4.300.0030.00316.64
7.4.290.0030.00316.62
7.4.280.0070.00016.64
7.4.270.0030.00516.55
7.4.260.0060.00013.23
7.4.250.0070.00016.49
7.4.240.0020.00616.53
7.4.230.0030.00316.45
7.4.220.0070.01116.52
7.4.210.0120.00516.52
7.4.200.0000.00716.35
7.4.190.0040.00416.50
7.4.160.0120.00416.72
7.4.150.0100.01317.40
7.4.140.0100.00817.86
7.4.130.0090.00816.54
7.4.120.0160.00616.57
7.4.110.0100.00716.61
7.4.100.0090.00916.70
7.4.90.0060.01216.66
7.4.80.0110.01019.39
7.4.70.0140.00316.48
7.4.60.0150.00916.34
7.4.50.0000.00816.35
7.4.40.0040.01522.77
7.4.30.0090.01216.62
7.4.00.0100.00715.06
7.3.330.0030.00313.39
7.3.320.0000.00613.49
7.3.310.0000.00716.46
7.3.300.0000.00716.46
7.3.290.0030.01216.38
7.3.280.0080.01216.42
7.3.270.0000.01717.40
7.3.260.0160.00718.24
7.3.250.0110.00816.55
7.3.240.0050.01416.47
7.3.230.0140.00316.57
7.3.210.0160.00716.70
7.3.200.0030.01619.39
7.3.190.0100.01016.60
7.3.180.0110.00716.71
7.3.170.0130.01016.75
7.3.160.0080.00816.68
7.3.120.0120.00614.97
7.3.110.0110.00714.82
7.3.100.0030.01014.79
7.3.90.0030.00614.68
7.3.80.0130.00014.96
7.3.70.0030.00915.07
7.3.60.0030.00614.76
7.3.50.0040.00815.10
7.3.40.0090.00914.95
7.3.30.0070.00714.92
7.3.20.0040.01216.85
7.3.10.0060.00616.70
7.3.00.0030.01416.82
7.2.330.0070.01716.75
7.2.320.0090.01516.55
7.2.310.0110.01416.47
7.2.300.0110.00716.73
7.2.290.0180.00616.62
7.2.250.0070.01415.37
7.2.240.0060.00915.22
7.2.230.0040.01115.34
7.2.220.0100.00315.05
7.2.210.0040.01115.38
7.2.200.0030.01015.11
7.2.190.0110.00414.76
7.2.180.0140.00014.85
7.2.170.0030.01315.10
7.2.120.0100.00616.63
7.2.110.0070.00416.71
7.2.100.0040.00716.43
7.2.90.0030.01016.56
7.2.80.0060.00916.56
7.2.70.0080.00416.88
7.2.60.0030.00816.83
7.2.50.0090.00616.80
7.2.40.0060.00616.75
7.2.30.0070.00716.77
7.2.20.0080.00616.91
7.2.10.0100.00316.95
7.2.00.0040.01416.93
7.1.330.0070.00715.79
7.1.320.0040.01115.78
7.1.310.0000.01215.75
7.1.300.0030.01016.00
7.1.290.0110.00415.95
7.1.280.0070.00415.51
7.1.270.0070.00715.75
7.1.260.0070.00715.61
7.1.240.0060.00615.80
7.1.230.0070.00415.86
7.1.220.0080.00315.84
7.1.210.0000.01115.79
7.1.200.0100.00715.56
7.1.190.0040.01115.67
7.1.180.0070.00715.63
7.1.170.0000.01315.64
7.1.160.0140.00015.67
7.1.150.0090.00315.82
7.1.140.0040.00815.71
7.1.130.0060.01015.84
7.1.120.0070.00715.75
7.1.110.0040.00715.92
7.1.100.0070.00516.87
7.1.90.0040.01215.91
7.1.80.0000.01315.72
7.1.70.0030.01116.56
7.1.60.0070.01217.39
7.1.50.0100.00625.29
7.1.40.0090.00315.61
7.1.30.0030.00715.57
7.1.20.0040.00815.75
7.1.10.0030.00915.77
7.1.00.0030.03019.12
7.0.320.0090.00615.56
7.0.310.0070.00715.54
7.0.300.0000.00715.16
7.0.290.0100.00315.59
7.0.280.0030.00515.40
7.0.270.0030.01215.44
7.0.260.0070.00715.22
7.0.250.0030.00915.56
7.0.240.0050.00515.29
7.0.230.0060.00915.63
7.0.220.0000.01315.24
7.0.210.0100.00315.45
7.0.200.0060.00415.96
7.0.190.0080.00815.40
7.0.180.0090.00315.22
7.0.170.0030.00615.61
7.0.160.0030.00315.21
7.0.150.0030.01015.57
7.0.140.0050.04018.82
7.0.130.0040.00715.42
7.0.120.0030.00815.55
7.0.110.0070.00715.51
7.0.100.0080.04117.58
7.0.90.0030.04117.68
7.0.80.0070.04017.59
7.0.70.0080.02217.64
7.0.60.0050.04317.61
7.0.50.0080.03817.84
7.0.40.0070.02516.76
7.0.30.0020.02416.85
7.0.20.0100.04016.73
7.0.10.0050.02216.74
7.0.00.0010.04416.81
5.6.380.0030.01014.66
5.6.370.0110.00314.30
5.6.360.0070.00714.68
5.6.350.0030.00614.70
5.6.340.0090.00314.21
5.6.330.0000.00914.32
5.6.320.0030.01014.66
5.6.310.0070.00314.57
5.6.300.0060.00614.20
5.6.290.0040.00814.30
5.6.280.0020.04017.60
5.6.270.0070.00414.11
5.6.260.0060.00614.67
5.6.250.0120.04017.33
5.6.240.0030.03217.59
5.6.230.0140.04017.39
5.6.220.0030.02717.35
5.6.210.0030.02517.49
5.6.200.0110.03817.64
5.6.190.0120.04017.72
5.6.180.0070.03717.68
5.6.170.0090.03717.59
5.6.160.0120.04517.61
5.6.150.0090.04017.52
5.6.140.0060.04317.72
5.6.130.0050.04217.70
5.6.120.0050.04217.69
5.6.110.0120.04217.61
5.6.100.0100.04017.62
5.6.90.0030.04817.55
5.6.80.0050.03717.42
5.6.70.0050.03917.29
5.6.60.0040.02917.40
5.6.50.0050.03517.34
5.6.40.0100.04217.29
5.6.30.0070.04317.36
5.6.20.0070.03517.26
5.6.10.0030.04317.36
5.6.00.0070.02517.25
5.5.380.0050.03815.82
5.5.370.0050.03915.80
5.5.360.0050.04315.74
5.5.350.0030.02315.77
5.5.340.0050.04515.92
5.5.330.0030.03616.11
5.5.320.0030.02816.07
5.5.310.0060.01815.94
5.5.300.0060.03915.96
5.5.290.0070.03516.07
5.5.280.0040.04315.95
5.5.270.0080.04015.97
5.5.260.0080.02616.17
5.5.250.0070.02515.90
5.5.240.0070.02315.76
5.5.230.0070.04715.67
5.5.220.0050.02215.69
5.5.210.0050.04015.68
5.5.200.0060.04515.75
5.5.190.0100.03615.72
5.5.180.0030.02315.66
5.5.170.0100.00314.22
5.5.160.0070.04215.62
5.5.150.0010.02915.69
5.5.140.0050.03715.77
5.5.130.0080.03515.66
5.5.120.0060.02315.74
5.5.110.0070.04015.65
5.5.100.0120.03615.59
5.5.90.0030.02515.67
5.5.80.0050.02315.51
5.5.70.0030.04215.66
5.5.60.0070.04115.57
5.5.50.0070.04015.66
5.5.40.0030.04515.66
5.5.30.0070.03615.68
5.5.20.0050.04215.66
5.5.10.0070.03915.53
5.5.00.0060.02615.66
5.4.450.0060.03515.28
5.4.440.0040.02815.20
5.4.430.0070.03715.34
5.4.420.0070.04215.31
5.4.410.0050.03115.22
5.4.400.0100.03215.14
5.4.390.0030.03915.12
5.4.380.0100.03815.10
5.4.370.0020.03715.14
5.4.360.0050.04115.12
5.4.350.0070.03815.10
5.4.340.0070.03815.10
5.4.330.0040.00711.14
5.4.320.0080.03615.05
5.4.310.0070.03715.05
5.4.300.0030.02515.05
5.4.290.0050.04315.17
5.4.280.0100.03715.05
5.4.270.0090.03815.22
5.4.260.0090.02515.14
5.4.250.0060.02615.01
5.4.240.0080.03515.29
5.4.230.0030.02715.16
5.4.220.0020.04115.05
5.4.210.0070.04014.97
5.4.200.0050.04215.06
5.4.190.0080.03015.12
5.4.180.0080.02315.11
5.4.170.0100.03815.15
5.4.160.0080.03515.04
5.4.150.0080.04015.16
5.4.140.0060.03913.72
5.4.130.0050.03213.71
5.4.120.0080.03813.70
5.4.110.0000.04213.72
5.4.100.0060.02813.73
5.4.90.0050.02313.73
5.4.80.0030.03813.72
5.4.70.0120.02713.77
5.4.60.0030.02513.81
5.4.50.0030.03913.82
5.4.40.0040.03513.81
5.4.30.0110.02613.79
5.4.20.0090.02013.87
5.4.10.0070.03913.74
5.4.00.0050.02413.52
5.3.290.0100.03712.88
5.3.280.0050.02312.82
5.3.270.0100.02012.86
5.3.260.0080.03512.89
5.3.250.0060.02312.83
5.3.240.0050.03712.92
5.3.230.0030.04012.84
5.3.220.0080.02312.91
5.3.210.0080.03812.83
5.3.200.0050.03612.83
5.3.190.0020.04312.87
5.3.180.0070.03812.87
5.3.170.0070.03612.84
5.3.160.0070.03912.86
5.3.150.0050.02312.87
5.3.140.0030.02812.82
5.3.130.0030.04312.89
5.3.120.0070.02712.79
5.3.110.0060.04012.86
5.3.100.0130.01212.64
5.3.90.0040.03512.62
5.3.80.0030.03512.58
5.3.70.0070.04012.53
5.3.60.0060.02312.57
5.3.50.0030.03812.49
5.3.40.0020.02612.50
5.3.30.0050.02012.46
5.3.20.0060.03212.47
5.3.10.0040.03912.41
5.3.00.0090.03712.36
5.2.170.0050.01811.66
5.2.160.0030.03311.66
5.2.150.0080.03011.66
5.2.140.0040.01711.66
5.2.130.0030.03411.66
5.2.120.0040.02411.66
5.2.110.0050.02311.66
5.2.100.0050.02011.66
5.2.90.0030.03111.66
5.2.80.0030.03211.66
5.2.70.0050.03411.66
5.2.60.0070.02211.66
5.2.50.0050.01511.66
5.2.40.0020.02111.66
5.2.30.0120.01111.66
5.2.20.0070.02611.66
5.2.10.0050.02011.66
5.2.00.0050.03011.66
5.1.60.0110.01811.66
5.1.50.0040.02911.66
5.1.40.0050.03011.66
5.1.30.0070.01411.66
5.1.20.0030.02911.66
5.1.10.0020.02811.66
5.1.00.0050.02911.66
5.0.50.0050.02011.66
5.0.40.0030.02211.66
5.0.30.0000.02111.66
5.0.20.0020.01811.66
5.0.10.0060.01011.66
5.0.00.0050.03111.66
4.4.90.0060.01211.66
4.4.80.0000.02111.66
4.4.70.0030.01711.66
4.4.60.0000.01511.66
4.4.50.0030.01811.66
4.4.40.0030.02811.66
4.4.30.0000.01511.66
4.4.20.0000.01311.66
4.4.10.0030.01011.66
4.4.00.0020.02311.66
4.3.110.0000.01511.66
4.3.100.0030.00811.66
4.3.90.0050.01111.66
4.3.80.0030.02611.66
4.3.70.0060.01311.66
4.3.60.0030.01611.66
4.3.50.0060.00811.66
4.3.40.0000.03311.66
4.3.30.0000.02111.66
4.3.20.0050.00711.66
4.3.10.0000.02311.66
4.3.00.0020.01811.66

preferences:
48.58 ms | 400 KiB | 5 Q