PHP延迟静态绑定示例分享
没怎么用过这个新特性,其实也不算新啦,试试吧,现在静态类的继承很方便了
<?php
class A {
protected static $def = '123456';
public static function test() {
echo get_class(new static);
}
public static function test2() {
echo static::$def;
}
}
class B extends A {
protected static $def = '456789';
}
class C extends A {
protected static $def = 'abcdef';
}
echo B::test();
echo '
';
echo C::test();
echo '
';
echo B::test2();
echo '
';
echo C::test2();
echo '
';
echo A::test();
echo '
';
echo A::test2();
echo '
';
// 输出结果
B
C
456789
abcdef
A
123456
/php/21968.htmlwww.phpzy.comtrue/php/21968.htmlTechArticlePHP延迟静态绑定示例分享 没怎么用过这个新特性,其实也不算新啦,试试吧,现在静态类的继承很方便了 ';echo C::test();echo ' ';echo B::test2();echo ' ';echo C::test2();echo ' ';echo A::test();echo ' ';...
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