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What are common pitfalls when using the mail() function in PHP to send form data?

One common pitfall when using the mail() function in PHP to send form data is not properly sanitizing user input, which can lead to security vulnerabi...

What are the best practices for establishing a PDO MySQL connection in a PHP function?

Establishing a PDO MySQL connection in a PHP function involves creating a new PDO object with the necessary connection parameters such as the database...

What is the purpose of the optional second parameter in the print_r() function in PHP?

The optional second parameter in the print_r() function in PHP is used to specify whether the output should be returned as a string instead of being d...

Are there best practices for using the range() function within a foreach loop in PHP?

When using the range() function within a foreach loop in PHP, it is important to remember that range() returns an array of values. Therefore, it is un...

How can the Container instance be accessed within a function in Slim for proper scope?

When accessing the Container instance within a function in Slim, you can use the `getContainer()` method available in the Slim App instance to retriev...