PHP: Singleton vs Static Class

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Difference between static class and singleton pattern?

Just wanted to know what exactly is the difference between a singleton and static class?

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我认为这个问题已经在这里回答了：静态类和单例模式之间的区别？

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In a singleton you can choose to initialize the variable at first call. Whereas a static variable starts to exists at the moment you include / call the file where the static variable is declared.

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The big difference between a singleton and a bunch of static methods is that singletons can implement interfaces .But static wont

Difference between static class and singleton pattern?

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