[Solved] How can you write a multidimensional array to a CSV file so each sub-array is a separate line? — Ans: $file = fopen('multi.csv', 'w'); foreach ($data as $row) { fputcsv($file,... | PHP

PHP - File Handling

How can you write a multidimensional array to a CSV file so each sub-array is a separate line?

A$file = fopen('multi.csv', 'r'); foreach ($data as $row) { fputcsv($file, $row); } fclose($file);

B$file = fopen('multi.csv', 'w'); fputcsv($file, $data); fclose($file);

C$file = fopen('multi.csv', 'w'); foreach ($data as $row) { fputcsv($file, $row); } fclose($file);

D$file = fopen('multi.csv', 'a'); fwrite($file, implode(',', $data)); fclose($file);

Step-by-Step Solution

Solution:

Step 1: Open file in write mode
Use 'w' mode to write and overwrite file contents.
Step 2: Loop through each sub-array and write with fputcsv()
Each call writes one CSV line for each sub-array.
Final Answer:
Loop with fputcsv() for each sub-array -> Option C
Quick Check:
Write multidimensional arrays line-by-line with loop [OK]

Quick Trick: Write each sub-array with fputcsv() inside a loop [OK]

Common Mistakes:

Master "File Handling" in PHP

9 interactive learning modes - each teaches the same concept differently

More PHP Quizzes

How can you write a multidimensional array to a CSV file so each sub-array is a separate line?