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Search results for: "nested if-else"

How can one troubleshoot issues with get_headers() function not returning expected results on a server, even though it works locally?

The issue with get_headers() function not returning expected results on a server could be due to server configurations or network restrictions. To tro...

What are the potential pitfalls of using mysqli_multi_query for INSERT and UPDATE statements in PHP?

Potential pitfalls of using mysqli_multi_query for INSERT and UPDATE statements in PHP include the risk of SQL injection attacks if user input is not...

What is the significance of ctype_digit() function in PHP validation and how can it be used effectively?

The ctype_digit() function in PHP is used to check if a string contains only digits. This function is useful for validating user input, such as checki...

How can a method in a child class be checked for existence from a method in the parent class in PHP?

To check if a method in a child class exists from a method in the parent class in PHP, you can use the `method_exists()` function. This function takes...

What are the potential pitfalls of not returning values in PHP methods like getByIdDB()?

If a method like getByIdDB() does not return a value, it can lead to unexpected behavior or errors in the code that calls this method. To solve this i...

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