What are some best practices for efficiently reading and processing text files in PHP, especially when dealing with multi-line text segments?

When efficiently reading and processing text files in PHP, especially when dealing with multi-line text segments, it is best to use the `file()` function to read the file into an array of lines, and then loop through each line to process it. This approach allows for easier manipulation of multi-line text segments and efficient processing of large text files. 

// Read the text file into an array of lines
$lines = file('textfile.txt');

// Loop through each line to process it
foreach ($lines as $line) {
    // Process each line here
    echo $line;
}

Keywords

file_get_contents fopen fgets explode preg_match

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