3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Singleton { private static $instance; private function __construct() {} private function __clone() {} private function __wakeup() {} public static function getInstance() { if (empty(self::$instance)) self::$instance = new self(); return self::$instance; } } $Object1 = Singleton::getInstance(); // ------------------------------------------------------- class PrivacyViolator { private $_caller; function __construct() { $this->_caller = function ($method, $args) { echo $this; return call_user_func_array([$this, $method], $args); }; } function callPrivateMethod($object, $method, $args) { return $this->_caller->bindTo($object, $object)->__invoke($method, $args); } } $privacyViolator1 = new PrivacyViolator(); $privacyViolator1->callPrivateMethod($Object1, '__construct', []); echo $Object1 == $privacyViolator1 ? '+' : '-'; echo $Object1 === $privacyViolator1 ? '+' : '-';

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)
8.3.70.0150.00418.55
8.3.60.0110.00416.75
8.3.50.0110.00921.08
8.3.40.0110.00419.04
8.3.30.0040.01119.13
8.3.20.0080.00020.29
8.3.10.0070.00021.90
8.3.00.0030.00523.53
8.2.190.0120.00316.63
8.2.180.0080.00818.26
8.2.170.0090.00922.96
8.2.160.0030.01022.13
8.2.150.0040.00424.18
8.2.140.0000.00724.66
8.2.130.0080.00026.16
8.2.120.0050.00317.63
8.2.110.0030.00719.33
8.2.100.0100.00317.63
8.2.90.0050.00318.98
8.2.80.0040.00417.97
8.2.70.0050.00517.75
8.2.60.0060.00317.92
8.2.50.0040.00418.07
8.2.40.0050.00319.53
8.2.30.0040.00418.06
8.2.20.0000.00817.73
8.2.10.0040.00418.14
8.2.00.0030.00618.08
8.1.280.0120.00625.92
8.1.270.0060.00320.45
8.1.260.0000.00826.35
8.1.250.0070.00028.09
8.1.240.0100.00023.97
8.1.230.0070.00717.48
8.1.220.0090.00017.74
8.1.210.0030.00518.77
8.1.200.0090.00017.35
8.1.190.0000.00917.23
8.1.180.0000.00818.10
8.1.170.0030.00618.45
8.1.160.0000.00822.07
8.1.150.0070.00018.83
8.1.140.0040.00417.54
8.1.130.0000.00717.77
8.1.120.0000.00717.50
8.1.110.0000.00917.50
8.1.100.0040.00417.41
8.1.90.0040.00417.34
8.1.80.0000.00717.48
8.1.70.0000.00717.49
8.1.60.0050.00317.59
8.1.50.0030.00617.55
8.1.40.0000.00817.48
8.1.30.0000.00817.59
8.1.20.0080.00017.57
8.1.10.0050.00317.61
8.1.00.0030.00617.54
8.0.300.0070.00018.77
8.0.290.0060.00316.88
8.0.280.0030.00318.41
8.0.270.0030.00317.21
8.0.260.0080.00017.25
8.0.250.0000.00716.95
8.0.240.0060.00317.01
8.0.230.0030.00717.04
8.0.220.0000.00716.87
8.0.210.0050.00316.97
8.0.200.0060.00016.94
8.0.190.0030.00617.07
8.0.180.0040.00416.99
8.0.170.0000.00817.07
8.0.160.0000.00716.95
8.0.150.0000.00716.99
8.0.140.0080.00416.89
8.0.130.0050.00013.32
8.0.120.0030.00516.95
8.0.110.0040.00417.01
8.0.100.0040.00417.00
8.0.90.0040.00417.01
8.0.80.0130.00316.98
8.0.70.0000.00716.87
8.0.60.0080.00016.87
8.0.50.0000.00816.93
8.0.30.0160.00417.29
8.0.20.0080.01317.40
8.0.10.0070.00017.07
8.0.00.0110.00616.78
7.4.330.0000.00515.08
7.4.320.0060.00016.55
7.4.300.0060.00016.63
7.4.290.0040.00416.49
7.4.280.0000.00716.54
7.4.270.0000.00716.64
7.4.260.0080.00016.56
7.4.250.0070.00016.42
7.4.240.0040.00316.60
7.4.230.0070.00016.75
7.4.220.0130.00316.66
7.4.210.0070.01016.48
7.4.200.0000.00716.44
7.4.160.0120.00916.52
7.4.150.0140.00317.40
7.4.140.0130.00617.86
7.4.130.0080.00916.59
7.4.120.0090.00816.60
7.4.110.0100.01316.45
7.4.100.0150.00316.61
7.4.90.0130.00316.52
7.4.80.0170.00019.39
7.4.70.0140.00716.69
7.4.60.0030.01316.59
7.4.50.0000.00416.58
7.4.40.0130.00416.46
7.4.30.0120.01216.72
7.4.00.0070.00915.10
7.3.330.0030.00313.34
7.3.320.0050.00013.25
7.3.310.0000.00716.37
7.3.300.0030.00316.39
7.3.290.0080.01116.37
7.3.280.0110.00716.38
7.3.270.0090.00917.40
7.3.260.0120.00616.36
7.3.250.0120.00816.36
7.3.240.0030.01516.55
7.3.230.0060.01616.63
7.3.210.0100.00616.46
7.3.200.0100.00616.23
7.3.190.0150.00716.60
7.3.180.0100.00716.50
7.3.170.0060.01216.50
7.3.160.0100.00716.54
7.3.120.0070.01014.88
7.3.110.0100.00814.83
7.3.100.0050.01114.79
7.3.90.0040.01114.80
7.3.80.0110.00314.92
7.3.70.0030.01014.69
7.3.60.0040.00814.75
7.3.50.0070.00514.80
7.3.40.0020.01114.86
7.3.30.0050.00714.74
7.3.20.0100.00516.65
7.3.10.0060.00916.71
7.3.00.0070.00516.66
7.2.330.0140.00316.79
7.2.320.0110.00716.82
7.2.310.0160.00016.80
7.2.300.0130.00616.64
7.2.290.0060.01216.86
7.2.250.0100.00715.16
7.2.240.0070.01215.20
7.2.230.0080.00615.18
7.2.220.0050.01015.18
7.2.210.0100.00915.36
7.2.200.0100.00515.08
7.2.190.0060.00615.15
7.2.180.0060.00915.13
7.2.170.0070.00915.21
7.2.160.0140.00314.95
7.2.150.0030.01517.17
7.2.140.0060.00317.06
7.2.130.0040.01117.08
7.2.120.0000.01516.93
7.2.110.0030.01017.01
7.2.100.0040.00816.98
7.2.90.0070.00717.07
7.2.80.0000.01516.84
7.2.70.0030.00617.04
7.2.60.0080.00616.76
7.2.50.0030.01016.72
7.2.40.0060.00316.59
7.2.30.0090.00916.98
7.2.20.0100.00016.90
7.2.10.0100.00616.80
7.2.00.0050.00918.14
7.1.330.0100.00515.63
7.1.320.0020.01115.81
7.1.310.0090.00915.69
7.1.300.0070.00715.64
7.1.290.0100.00315.84
7.1.280.0050.00615.62
7.1.270.0080.00815.71
7.1.260.0020.01115.84
7.1.250.0030.00915.76
7.1.240.0030.01015.83
7.1.230.0090.00315.59
7.1.220.0100.00315.39
7.1.210.0000.01115.57
7.1.200.0100.00215.57
7.1.190.0030.00515.48
7.1.180.0100.00315.75
7.1.170.0030.00615.77
7.1.160.0000.01315.73
7.1.150.0050.00315.87
7.1.140.0000.00915.74
7.1.130.0050.00315.80
7.1.120.0060.00915.76
7.1.110.0070.00715.69
7.1.100.0050.01016.79
7.1.90.0120.00615.85
7.1.80.0030.01315.81
7.1.70.0040.00616.53
7.1.60.0070.01117.62
7.1.50.0140.01225.17
7.1.40.0030.00915.68
7.1.30.0110.00315.67
7.1.20.0080.00815.77
7.1.10.0040.00715.56
7.1.00.0080.03819.04
7.0.330.0060.00315.14
7.0.320.0000.01015.32
7.0.310.0040.01115.46
7.0.300.0050.00515.45
7.0.290.0000.00815.42
7.0.280.0030.01015.59
7.0.270.0060.00615.49
7.0.260.0040.00415.48
7.0.250.0000.00915.41
7.0.240.0060.00315.54
7.0.230.0090.00615.40
7.0.220.0060.01015.41
7.0.210.0070.00715.28
7.0.200.0080.00714.90
7.0.190.0070.00715.45
7.0.180.0000.01015.45
7.0.170.0030.01515.47
7.0.160.0000.01415.14
7.0.150.0070.00415.50
7.0.140.0040.00815.18
7.0.130.0070.00415.22
7.0.120.0000.00915.60
7.0.110.0110.00315.17
7.0.100.0040.00815.61
7.0.90.0070.00715.42
7.0.80.0000.01015.35
7.0.70.0040.00715.54
7.0.60.0000.04917.74
7.0.50.0070.02916.71
7.0.40.0040.03616.64
7.0.30.0130.03016.83
7.0.20.0160.02816.88
7.0.10.0100.03516.99
7.0.00.0010.02916.86
5.6.400.0050.00514.36
5.6.390.0030.01314.46
5.6.380.0060.00614.62
5.6.370.0030.00614.67
5.6.360.0120.00414.75
5.6.350.0030.01214.25
5.6.340.0080.00414.58
5.6.330.0090.00614.26
5.6.320.0070.00714.21
5.6.310.0030.01014.40
5.6.300.0060.00614.25
5.6.290.0060.00914.37
5.6.280.0070.03217.79
5.6.270.0060.00314.53
5.6.260.0030.00614.54
5.6.250.0060.00614.58
5.6.240.0060.00614.65
5.6.230.0090.00914.25
5.6.220.0070.00714.34
5.6.210.0080.04017.33
5.6.200.0050.04716.24
5.6.190.0050.03117.38
5.6.180.1580.03017.55
5.6.170.0170.03017.43
5.6.160.0070.04717.41
5.6.150.0050.03116.13
5.6.140.0040.03916.42
5.6.130.0050.02916.36
5.6.120.0140.04317.65
5.6.110.0050.03817.54
5.6.100.0140.03717.60
5.6.90.0070.04517.53
5.6.80.0060.04017.27
5.6.70.2320.01817.36
5.6.60.0040.01214.09
5.6.50.0000.01214.25
5.6.40.0120.00014.42
5.6.30.0040.00414.23
5.6.20.0120.00314.28
5.6.10.0000.01514.51
5.6.00.0030.01314.40
5.5.380.0040.00414.36
5.5.370.0060.00314.33
5.5.360.0070.00714.38
5.5.350.0130.04417.46
5.5.340.0030.02416.18
5.5.330.0060.04817.23
5.5.320.1990.02017.40
5.5.310.0130.04717.31
5.5.300.0070.02216.20
5.5.290.0080.02716.14
5.5.280.0080.03517.64
5.5.270.0080.02317.71
5.5.260.0050.03517.70
5.5.250.0060.04317.57
5.5.240.0170.03517.40
5.5.230.0060.01014.07
5.5.220.0060.00814.24
5.5.210.0050.00314.43
5.5.200.0000.01214.54
5.5.190.0070.00714.45
5.5.180.0030.01314.45
5.5.170.0140.00414.34
5.5.160.0070.00714.19
5.5.150.0060.00314.41
5.5.140.0110.00314.17
5.5.130.0080.00414.30
5.5.120.0150.00014.19
5.5.110.0030.01214.20
5.5.100.0030.01314.42
5.5.90.0060.00314.46
5.5.80.0070.01013.89
5.5.70.0070.00414.44
5.5.60.0070.00714.57
5.5.50.0130.00314.22
5.5.40.0060.00314.13
5.5.30.0110.00014.60
5.5.20.0080.00814.42
5.5.10.0040.00414.27
5.5.00.0080.00414.36
5.4.450.0250.03715.19
5.4.440.0350.03215.25
5.4.430.0450.03215.16
5.4.420.0360.03515.28
5.4.410.0360.03115.32
5.4.400.0350.03015.13
5.4.390.0430.02515.15
5.4.380.0320.03514.91
5.4.370.0370.03215.12
5.4.360.0380.03015.24
5.4.350.0450.04315.11
5.4.340.0430.03515.05
5.4.330.0060.00610.93
5.4.320.0380.02814.91
5.4.310.0450.03014.91
5.4.300.0430.02715.22
5.4.290.0420.03314.81
5.4.280.0410.03315.17
5.4.270.0480.03614.94
5.4.260.0470.02815.08
5.4.250.0370.02815.32
5.4.240.0380.03215.11
5.4.230.0400.02715.00
5.4.220.0350.03614.98
5.4.210.0300.03614.97
5.4.200.0380.02514.05
5.4.190.0350.03015.08
5.4.180.0530.02715.05
5.4.170.0450.04314.90
5.4.160.0370.03315.06
5.4.150.0430.03015.26
5.4.140.0380.03713.84
5.4.130.0450.03113.82
5.4.120.0460.02513.94
5.4.110.0480.02813.67
5.4.100.0400.04213.89
5.4.90.0370.02613.58
5.4.80.0280.04013.84
5.4.70.0350.03213.83
5.4.60.0370.03013.85
5.4.50.0440.03013.89
5.4.40.0390.02713.72
5.4.30.0350.02513.84
5.4.20.0370.02713.79
5.4.10.0280.03113.65
5.4.00.0430.02213.54
5.3.290.0730.07714.74
5.3.280.0500.05314.66
5.3.270.0630.05714.54
5.3.260.0230.05714.70
5.3.250.0130.04714.63
5.3.240.0070.05714.62
5.3.230.0730.04714.52
5.3.220.0700.04714.59
5.3.210.0570.06014.57
5.3.200.0500.06314.44
5.3.190.0100.05314.44
5.3.180.0100.06014.58
5.3.170.0400.05014.43
5.3.160.0600.05014.80
5.3.150.0530.06314.56
5.3.140.0830.06314.49
5.3.130.0870.04314.61
5.3.120.0900.04714.78
5.3.110.0800.05714.46
5.3.100.0730.05014.04
5.3.90.0930.04013.94
5.3.80.0900.03713.91
5.3.70.0800.04014.25
5.3.60.0670.05714.03
5.3.50.0630.06713.89
5.3.40.0770.03713.87
5.3.30.0730.06013.86
5.3.20.0770.06713.75
5.3.10.0830.03713.67
5.3.00.0630.05713.67
5.2.170.0530.04711.21
5.2.160.0770.04311.13
5.2.150.0570.04011.07
5.2.140.0870.04311.02
5.2.130.0500.04311.03
5.2.120.0570.04311.07
5.2.110.0670.03311.16
5.2.100.0700.04311.13
5.2.90.0670.04311.12
5.2.80.0600.04311.12
5.2.70.0630.04311.33
5.2.60.0700.04011.07
5.2.50.0600.04310.94
5.2.40.0470.04310.90
5.2.30.0600.03310.89
5.2.20.0470.04710.98
5.2.10.0530.04710.78
5.2.00.0500.05010.70
5.1.60.0570.04710.07
5.1.50.0500.0339.99
5.1.40.0400.04010.21
5.1.30.0130.04010.58
5.1.20.0070.05310.31
5.1.10.0070.04310.02
5.1.00.0100.03710.16
5.0.50.0270.0308.64
5.0.40.0270.0308.47
5.0.30.0330.0438.17
5.0.20.0170.0308.16
5.0.10.0200.0338.33
5.0.00.0330.0378.09
4.4.90.0130.0235.85
4.4.80.0070.0205.85
4.4.70.0030.0205.82
4.4.60.0030.0235.77
4.4.50.0030.0205.76
4.4.40.0070.0305.76
4.4.30.0000.0275.86
4.4.20.0000.0235.91
4.4.10.0000.0275.80
4.4.00.0300.0305.79
4.3.110.0300.0305.73
4.3.100.0200.0335.68
4.3.90.0230.0205.75
4.3.80.0400.0375.83
4.3.70.0270.0205.75
4.3.60.0200.0275.66
4.3.50.0330.0135.74
4.3.40.0270.0435.63
4.3.30.0100.0304.54
4.3.20.0100.0234.53
4.3.10.0170.0204.46
4.3.00.0070.0177.03

preferences:
33.77 ms | 401 KiB | 5 Q