3v4l.org

run code in 300+ PHP versions simultaneously
<?php $convert = array_combine( array('ou', 'dou', 'npo', 'dop'), array( 1, 2, 3, 4 ) ); var_dump($convert); /*'<h4>Категория учреждения</h4>' + '<select name="categoryOU">' + '<option value=""></option>' + '<option value="dou">Детские сады</option>' + '<option value="ou">Образовательные учреждения</option>' + '<option value="npo">Учреждения начального и среднего профессионального образования</option>' + '<option value="dop">Учреждения дополнительного образования</option>' + '</select>' +*/ abstract class T { static public $instanses; final private function __construct(){ } public static function getInstance() { var_dump(static::$instanses); if (!(static::$instanses instanceof static)) { static::$instanses = new static; } var_dump(static::$instanses); return static::$instanses; } } class A extends T { static public $instanses; } class B extends A { static public $instanses; } $t = A::getInstance(); var_dump($t); $t1 = B::getInstance(); var_dump($t1); new B(); ?>

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)
8.3.60.0150.00616.88
8.3.50.0100.01121.09
8.3.40.0070.00718.93
8.3.30.0070.00718.79
8.3.20.0040.00420.16
8.3.10.0040.00421.76
8.3.00.0060.00319.79
8.2.180.0140.00418.54
8.2.170.0000.01522.96
8.2.160.0170.00020.57
8.2.150.0030.00624.18
8.2.140.0110.00724.66
8.2.130.0040.00426.16
8.2.120.0030.00617.63
8.2.110.0100.00019.33
8.2.100.0090.00317.91
8.2.90.0040.00418.03
8.2.80.0030.00618.09
8.2.70.0000.00817.75
8.2.60.0080.00017.50
8.2.50.0040.00417.75
8.2.40.0000.00819.45
8.2.30.0040.00419.84
8.2.20.0030.00617.84
8.2.10.0040.00417.96
8.2.00.0050.00317.96
8.1.280.0140.00325.92
8.1.270.0050.00320.32
8.1.260.0000.00726.35
8.1.250.0080.00028.09
8.1.240.0070.00322.59
8.1.230.0070.00420.90
8.1.220.0060.00317.79
8.1.210.0000.00918.85
8.1.200.0030.00617.36
8.1.190.0040.00417.35
8.1.180.0040.00418.10
8.1.170.0000.00818.60
8.1.160.0070.00022.11
8.1.150.0000.00718.80
8.1.140.0000.00817.49
8.1.130.0000.00717.79
8.1.120.0040.00417.50
8.1.110.0040.00417.41
8.1.100.0040.00417.52
8.1.90.0070.00017.48
8.1.80.0040.00317.54
8.1.70.0000.00717.51
8.1.60.0090.00017.58
8.1.50.0030.00517.52
8.1.40.0050.00317.44
8.1.30.0080.00017.73
8.1.20.0040.00417.66
8.1.10.0030.00617.57
8.1.00.0030.00617.53
8.0.300.0040.00419.98
8.0.290.0080.00016.63
8.0.280.0000.00718.48
8.0.270.0030.00317.20
8.0.260.0000.00717.20
8.0.250.0000.00716.93
8.0.240.0030.00317.06
8.0.230.0070.00017.09
8.0.220.0040.00416.90
8.0.210.0070.00017.00
8.0.200.0000.00617.01
8.0.190.0000.00817.04
8.0.180.0060.00317.07
8.0.170.0050.00316.91
8.0.160.0040.00417.04
8.0.150.0070.00016.92
8.0.140.0040.00416.82
8.0.130.0000.00813.37
8.0.120.0040.00416.94
8.0.110.0040.00417.01
8.0.100.0000.00816.93
8.0.90.0000.00716.89
8.0.80.0070.01016.94
8.0.70.0050.00316.83
8.0.60.0000.00717.03
8.0.50.0030.00316.89
8.0.30.0070.01117.31
8.0.20.0060.01217.40
8.0.10.0000.00716.93
8.0.00.0090.01116.83
7.4.330.0000.00515.08
7.4.320.0030.00316.64
7.4.300.0030.00316.68
7.4.290.0070.00016.55
7.4.280.0030.00616.66
7.4.270.0000.00716.59
7.4.260.0080.00016.54
7.4.250.0070.00016.57
7.4.240.0030.00316.54
7.4.230.0000.00716.72
7.4.220.0190.00016.63
7.4.210.0060.01116.60
7.4.200.0070.00016.56
7.4.160.0110.00516.56
7.4.150.0070.01017.40
7.4.140.0110.00817.86
7.4.130.0130.00716.55
7.4.120.0110.01116.53
7.4.110.0100.01316.68
7.4.100.0100.00716.43
7.4.90.0000.01816.66
7.4.80.0150.00919.39
7.4.70.0060.01216.62
7.4.60.0120.00316.62
7.4.50.0000.00416.60
7.4.40.0030.01416.52
7.4.30.0110.00716.46
7.4.00.0060.00615.23
7.3.330.0000.00613.35
7.3.320.0000.00513.39
7.3.310.0000.00716.38
7.3.300.0040.00416.43
7.3.290.0000.00716.45
7.3.280.0100.00916.36
7.3.270.0150.01117.40
7.3.260.0200.00616.38
7.3.250.0090.00916.38
7.3.240.0110.00816.53
7.3.230.0070.01116.42
7.3.210.0070.01016.27
7.3.200.0100.00716.61
7.3.190.0110.00616.45
7.3.180.0060.01016.36
7.3.170.0110.00716.37
7.3.160.0060.01116.43
7.2.330.0110.00716.85
7.2.320.0140.00616.34
7.2.310.0120.00616.71
7.2.300.0060.01216.81
7.2.290.0100.01316.82
7.2.60.0140.00316.81
7.2.00.0060.00919.24
7.1.200.0000.01415.66
7.1.100.0070.01017.99
7.1.70.0000.01017.25
7.1.60.0100.01320.03
7.1.50.0030.02116.97
7.1.00.0070.07322.33
7.0.200.0000.00916.50
7.0.60.0030.07319.98
7.0.50.0000.04317.89
7.0.40.0030.04320.07
7.0.30.0230.03320.10
7.0.20.0200.04320.07
7.0.10.0100.08720.10
7.0.00.0000.05320.38
5.6.280.0000.04021.05
5.6.210.0200.03720.67
5.6.200.0030.05018.19
5.6.190.0100.03720.68
5.6.180.0170.04020.64
5.6.170.0230.08320.52
5.6.160.0170.03320.57
5.6.150.0070.08318.12
5.6.140.0070.03718.15
5.6.130.0100.04318.15
5.6.120.0130.07720.99
5.6.110.0070.04720.94
5.6.100.0130.07721.09
5.6.90.0070.05321.14
5.6.80.0100.07720.40
5.6.70.4730.03720.42
5.5.350.0000.08020.45
5.5.340.0130.08017.98
5.5.330.0070.07020.42
5.5.320.0100.07020.28
5.5.310.0170.08320.51
5.5.300.0030.04018.08
5.5.290.0000.08717.98
5.5.280.0000.04320.91
5.5.270.0100.03720.98
5.5.260.0030.06020.82
5.5.250.0100.08720.67
5.5.240.0270.07020.27
5.4.450.0130.05719.18
5.4.440.0130.06019.38
5.4.430.0170.05019.54
5.4.420.0230.04719.41
5.4.410.0200.05319.55
5.4.400.0170.05019.25
5.4.390.0070.06719.22
5.4.380.0070.06019.12
5.4.370.0200.05019.25
5.4.360.0330.05019.24
5.4.350.0270.05319.12
5.4.340.0130.06319.27
5.4.320.0100.06319.29
5.4.310.0130.05319.27
5.4.300.0300.06319.09
5.4.290.0170.05719.26
5.4.280.0170.05319.23
5.4.270.0100.05719.24
5.4.260.0030.06318.84
5.4.250.0170.05719.26
5.4.240.0200.05018.97
5.4.230.0170.04719.27
5.4.220.0030.06319.25
5.4.210.0230.04319.23
5.4.200.0200.04319.21
5.4.190.0200.05319.23
5.4.180.0170.04719.25
5.4.170.0030.06318.97
5.4.160.0100.05318.99
5.4.150.0100.07319.23
5.4.140.0100.06316.59
5.4.130.0100.05716.55
5.4.120.0100.05316.45
5.4.110.0170.04716.64
5.4.100.0070.05316.67
5.4.90.0230.04016.24
5.4.80.0070.05316.64
5.4.70.0170.04016.39
5.4.60.0300.06016.53
5.4.50.0030.03316.43
5.4.40.0030.05016.53
5.4.30.0070.06316.25
5.4.20.0330.06016.53

preferences:
56.81 ms | 404 KiB | 6 Q