How can the number of rows in a .csv file be accurately determined in PHP for efficient processing?

To accurately determine the number of rows in a .csv file in PHP for efficient processing, you can use the `file` function to read the file into an array and then count the number of elements in that array. This method is efficient as it does not require reading the entire file line by line. 

$lines = file('file.csv');
$numRows = count($lines);
echo "Number of rows: " . $numRows;

Keywords

PHP CSV file row count fgetcsv file handling

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