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How can the switch/case statement be optimized for better performance?

Switch/case statements can be optimized for better performance by using a hash map instead of multiple case statements. This can reduce the time compl...

What is the correct usage of file_put_contents in PHP when exporting data to a CSV file?

When using file_put_contents to export data to a CSV file in PHP, it is important to properly format the data as a comma-separated string before writi...

How can line breaks be added to text within a table cell when generating a PDF using a PHP PDF generator?

When generating a PDF using a PHP PDF generator, line breaks can be added to text within a table cell by using the "\n" character to create a new line...

How can the nl2br function be applied to comments before outputting them to ensure proper line breaks?

When displaying comments from a database in a web page, line breaks entered by users in the comment text may not be displayed correctly. To ensure pro...

What is the function nl2br() in PHP and how can it be used to preserve line breaks in text input?

The nl2br() function in PHP is used to convert newlines (\n) in a string to HTML line breaks (<br>). This is particularly useful when you want to pres...

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