Which of the following is the correct way to open a CSV file for writing in PHP?

easy📝 Syntax Q12 of 15

PHP - File Handling

A$file = fopen('data.csv', 'r');

B$file = fopen('data.csv', 'rw');

C$file = fopen('data.csv', 'w');

D$file = fopen('data.csv', 'x');

Step-by-Step Solution

Solution:

Step 1: Understand fopen modes
Mode 'w' opens a file for writing and truncates it if it exists, perfect for writing CSV files.
Step 2: Check other modes
'r' is read-only, 'rw' is invalid, 'x' creates a new file but fails if it exists.
Final Answer:
$file = fopen('data.csv', 'w'); -> Option C
Quick Check:
Open file for writing = 'w' mode [OK]

Quick Trick: Use 'w' mode in fopen() to write files [OK]

Common Mistakes:

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