What are the best practices for accessing class constants in PHP without the need for instantiation?

When accessing class constants in PHP without the need for instantiation, the best practice is to use the double colon (::) syntax to access the constants directly from the class itself. This allows you to access the constants without creating an instance of the class, making your code cleaner and more efficient. 

class MyClass {
    const MY_CONSTANT = 'Hello World';
}

echo MyClass::MY_CONSTANT;

Keywords

class constants PHP instantiation access best practices

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