Hướng dẫn constructor static class php
Tip This page describes the use of the Declaring class properties or methods as static makes them accessible without needing an instantiation of the class. These can also be accessed statically within an instantiated class object. Static methodsBecause static methods are callable without an instance of the object created, the pseudo-variable $this is not available inside methods declared as static. Warning Calling non-static methods statically throws an Error. Prior to PHP 8.0.0, calling non-static methods statically were deprecated, and generated an Example #1 Static method example
Static properties Static properties are accessed using the Scope Resolution Operator ( It's possible to reference the class using a variable. The variable's value cannot be a keyword (e.g. Example #2 Static property example
staticValue() { Output of the above example in PHP 8 is similar to: foo foo Notice: Accessing static property Foo::$my_static as non static in /in/V0Rvv on line 23 Warning: Undefined property: Foo::$my_static in /in/V0Rvv on line 23 foo foo foo foo inkredibl ¶ 14 years ago
payal001 at gmail dot com ¶ 11 years ago
$test="class a"; artekpuck at gmail dot com ¶ 4 years ago
admin at shopinson dot com ¶ 2 years ago
Godwin extends Shopinson Anonymous ¶ 17 years ago
Anonymous ¶ 8 years ago
ASchmidt at Anamera dot net ¶ 4 years ago
staticparent { rahul dot anand77 at gmail dot com ¶ 6 years ago
davidn at xnet dot co dot nz ¶ 13 years ago
$variable; sideshowAnthony at googlemail dot com ¶ 6 years ago
tolean_dj at yahoo dot com ¶ 11 years ago
$_instance = NULL;/** webmaster at removethis dot weird-webdesign dot de ¶ 12 years ago
init($value) { self::$a = $value; } manishpatel2280 at gmail dot com ¶ 8 years ago
ssj dot narutovash at gmail dot com ¶ 14 years ago
b1tchcakes ¶ 6 years ago
a { use t; } zerocool at gameinsde dot ru ¶ 13 years ago
__construct() gratcypalma at gmail dot om ¶ 11 years ago
getInitial() { michalf at ncac dot torun dot pl ¶ 17 years ago
DerivedClassOne extends BaseClass{ Jay Cain ¶ 12 years ago
init() { Mirco ¶ 12 years ago
MyStaticClass valentin at balt dot name ¶ 12 years ago
get () { jkenigso at utk dot edu ¶ 8 years ago
$b::$a; //outputs 1 michael at digitalgnosis dot removethis dot com ¶ 17 years ago
Derived extends Base vvikramraj at yahoo dot com ¶ 13 years ago
Mathijs Vos ¶ 14 years ago
__construct() fakhar_anwar123 at hotmail dot com ¶ 2 years ago
|