PHP中父类与子类的后期绑定/延迟绑定
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class Human {
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public static function whoami() {
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echo '来自父类的whoami在执行
';
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public static function say() {
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self::whoami();
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- }
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public static function say2() {
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static::whoami();
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- }
- }
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class Stu extends Human{
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- }
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- Stu::say();
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- Stu::say2();
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