Code Inspection: Case mismatch in method call or class usage
Reports the usages of functions, methods, classes, and namespaces that do not match the case used in their declarations.
In PHP, class names as well as function/method names are case-insensitive, but it is considered good practice to them functions as they appear in their declaration. In the following example, the function that is defined as
exampleFunction() is called as
ExampleFunction(), which is discouraged.
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