Is PHP a case-sensitive language?

1.	Is PHP a case-sensitive language?
Answer» PHP can be considered as a partial case-sensitive language. The variable names are completely case-sensitive but function names are not. ALSO, user-DEFINED functions are not case-sensitive but the rest of the language is case-sensitive. For example, user-defined functions in PHP can be defined in lowercase but LATER referred to in uppercase, and it WOULD STILL function normally.

Answer»

PHP can be considered as a partial case-sensitive language. The variable names are completely case-sensitive but function names are not. ALSO, user-DEFINED functions are not case-sensitive but the rest of the language is case-sensitive.

For example, user-defined functions in PHP can be defined in lowercase but LATER referred to in uppercase, and it WOULD STILL function normally.

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Is PHP a case-sensitive language?

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