3v4l.org

run code in 300+ PHP versions simultaneously
<?php class hell { private $ruler = 'devil'; function cry(){ echo $this->ruler; } } $inst = new hell(); $inst->cry(); $in2 = Closure::bind(function () {$this->ruler = 'jesus';}, $inst, get_class($inst)); $in2(); $inst->cry(); class Singleton { protected static $instance; // object instance private function __construct(){ /* ... @return Singleton */ } // Защищаем от создания через new Singleton private function __clone() { /* ... @return Singleton */ } // Защищаем от создания через клонирование private function __wakeup() { /* ... @return Singleton */ } // Защищаем от создания через unserialize public static function getInstance() { // Возвращает единственный экземпляр класса. @return Singleton if ( !isset(self::$instance) ) { $class = __CLASS__; self::$instance = new $class(); self::$instance->id = mt_rand(1,1000); } return self::$instance; } public function doAction() { echo $this->id; } } Singleton::getInstance()->doAction(); // Применение $singy = Singleton::getInstance();

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)
7.2.00.0040.01219.54
7.1.70.0070.00017.30
7.1.60.0100.01019.17
7.1.50.0030.01217.15
7.1.00.0030.05322.46
7.0.200.0000.00716.86
7.0.140.0070.07021.91
7.0.100.0170.03020.01
7.0.90.0000.04019.93
7.0.80.0070.03319.91
7.0.70.0000.04319.95
7.0.60.0170.07019.89
7.0.50.0170.04320.35
7.0.40.0130.07719.95
7.0.30.0200.04020.10
7.0.20.0030.06020.09
7.0.10.0170.06720.02
7.0.00.0070.04720.14
5.6.280.0000.07320.87
5.6.250.0000.04320.73
5.6.240.0000.03720.54
5.6.230.0100.03720.66
5.6.220.0070.04320.66
5.6.210.0170.03720.59
5.6.200.0100.07721.18
5.6.190.0030.03721.12
5.6.180.0000.09021.01
5.6.170.0100.04321.02
5.6.160.0100.08021.09
5.6.150.0030.04021.18
5.6.140.0130.08021.03
5.6.130.0100.09321.18
5.6.120.0070.07721.11
5.6.110.0070.04321.11
5.6.100.0030.08021.02
5.6.90.0070.07721.03
5.6.80.0030.06320.45
5.6.70.0070.07720.41
5.6.60.0100.06320.52
5.6.50.0030.06320.41
5.6.40.0070.05320.42
5.6.30.0000.06720.39
5.6.20.0030.03720.53
5.6.10.0030.04320.49
5.6.00.0170.04320.43
5.5.380.0030.03320.46
5.5.370.0030.03720.48
5.5.360.0070.03720.42
5.5.350.0200.03020.35
5.5.340.0000.04020.81
5.5.330.0170.06320.90
5.5.320.0030.08320.84
5.5.310.0100.06020.90
5.5.300.0070.04720.65
5.5.290.0100.08320.84
5.5.280.0070.04020.91
5.5.270.0130.05320.89
5.5.260.0030.04720.84
5.5.250.0030.04020.74
5.5.240.0030.08320.26
5.5.230.0030.06320.03
5.5.220.0030.08320.25
5.5.210.0070.06320.20
5.5.200.0070.08320.25
5.5.190.0030.07319.99
5.5.180.0170.05320.00
5.5.160.0070.06720.25
5.5.150.0030.05020.22
5.5.140.0070.07720.14
5.5.130.0100.08020.16
5.5.120.0070.06020.24
5.5.110.0100.06320.14
5.5.100.0200.06320.13
5.5.90.0130.04320.17
5.5.80.0070.05720.18
5.5.70.0100.05020.13
5.5.60.0030.05320.06
5.5.50.0030.06319.95
5.5.40.0170.06020.05
5.5.30.0030.07020.16
5.5.20.0030.06019.95
5.5.10.0070.08019.99
5.5.00.0000.05020.03
5.4.450.0000.05019.40
5.4.440.0030.09019.50
5.4.430.0000.08319.36
5.4.420.0100.04019.39
5.4.410.0030.04019.38
5.4.400.0100.02719.15
5.4.390.0000.04719.21
5.4.380.0070.07318.95
5.4.370.0230.02319.03
5.4.360.0070.06319.14
5.4.350.0100.07018.87
5.4.340.0070.04319.21
5.4.320.0070.04319.16
5.4.310.0070.07719.04
5.4.300.0070.04718.87
5.4.290.0100.06318.91
5.4.280.0000.07718.84
5.4.270.0000.06318.84
5.4.260.0070.03719.14
5.4.250.0070.05719.13
5.4.240.0030.04019.24
5.4.230.0070.04319.04
5.4.220.0000.06019.17
5.4.210.0030.03319.13
5.4.200.0100.07318.98
5.4.190.0130.06319.16
5.4.180.0200.04019.28
5.4.170.0070.07319.21
5.4.160.0100.06718.86
5.4.150.0030.04319.13
5.4.140.0100.04316.34
5.4.130.0030.06316.54
5.4.120.0030.06016.48
5.4.110.0100.04316.44
5.4.100.0030.04316.52
5.4.90.0070.05316.49
5.4.80.0070.07316.53
5.4.70.0000.03316.43
5.4.60.0000.07316.48
5.4.50.0070.06316.48
5.4.40.0100.07316.49
5.4.30.0000.07016.32
5.4.20.0030.04716.43
5.4.10.0030.06716.42
5.4.00.0030.04315.90
5.3.290.0100.05714.70
5.3.280.0030.05314.55
5.3.270.0070.07014.61
5.3.260.0100.06314.64
5.3.250.0000.05014.57
5.3.240.0000.06714.57
5.3.230.0100.06314.70
5.3.220.0000.05714.68
5.3.210.0030.06314.68
5.3.200.0030.04014.64
5.3.190.0030.04014.52
5.3.180.0000.04714.64
5.3.170.0070.05714.61
5.3.160.0100.06014.68
5.3.150.0100.03014.66
5.3.140.0070.04314.54
5.3.130.0070.07714.57
5.3.120.0030.03714.63
5.3.110.0070.07314.68
5.3.100.0070.04014.14
5.3.90.0100.05714.05
5.3.80.0000.03314.04
5.3.70.0000.08014.13
5.3.60.0070.07014.02
5.3.50.0170.06314.05
5.3.40.0130.07314.07
5.3.30.0030.04314.06
5.3.20.0030.06313.59
5.3.10.0030.05313.70
5.3.00.0030.04013.71
5.2.170.0030.03011.21
5.2.160.0100.02011.00
5.2.150.0030.06011.15
5.2.140.0070.06011.13
5.2.130.0000.03711.11
5.2.120.0030.04311.12
5.2.110.0030.05311.21
5.2.100.0000.02711.11
5.2.90.0030.04311.00
5.2.80.0030.02711.11
5.2.70.0070.03311.21
5.2.60.0030.05011.04
5.2.50.0030.03311.08
5.2.40.0030.04011.09
5.2.30.0070.02310.89
5.2.20.0070.05011.07
5.2.10.0030.04710.83
5.2.00.0030.03010.70
5.1.60.0000.04010.48
5.1.50.0070.02010.48
5.1.40.0070.02310.48
5.1.30.0030.05710.48
5.1.20.0070.05310.48
5.1.10.0030.04710.48
5.1.00.0000.03310.48
5.0.50.0070.02010.48
5.0.40.0030.04710.48
5.0.30.0000.03310.48
5.0.20.0000.04710.48
5.0.10.0100.03710.48
5.0.00.0030.03310.48
4.4.90.0070.03010.48
4.4.80.0030.01710.48
4.4.70.0030.03310.48
4.4.60.0030.01710.48
4.4.50.0000.03310.48
4.4.40.0000.05010.48
4.4.30.0070.03010.48
4.4.20.0070.02310.48
4.4.10.0030.03010.48
4.4.00.0030.03010.48
4.3.110.0000.02010.48
4.3.100.0030.02310.48
4.3.90.0000.01710.48
4.3.80.0030.02310.48
4.3.70.0030.03010.48
4.3.60.0030.02010.48
4.3.50.0000.02010.48
4.3.40.0030.04710.48
4.3.30.0030.02010.48
4.3.20.0000.01710.48
4.3.10.0000.01710.48
4.3.00.0070.02010.48

preferences:
29.69 ms | 400 KiB | 5 Q