How can the file() function in PHP be used to read data from a file line by line for processing?

To read data from a file line by line in PHP, you can use the file() function, which reads the entire file into an array with each element representing a line of the file. You can then loop through this array to process each line individually. 

$file = 'data.txt';
$lines = file($file);

foreach ($lines as $line) {
    // Process each line here
    echo $line;
}

Keywords

file() PHP read data line by line processing

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