How can variables be set and used effectively when extracting values from a text file in PHP?

When extracting values from a text file in PHP, variables can be set and used effectively by reading the file line by line, parsing the necessary data, and assigning it to variables for further processing. This allows for easier manipulation and organization of the extracted values within the script. 

$file = fopen("data.txt", "r");

while(!feof($file)) {
    $line = fgets($file);
    
    // Extract and assign values to variables
    $data = explode(",", $line);
    $name = $data[0];
    $age = $data[1];
    
    // Process the extracted values
    echo "Name: " . $name . ", Age: " . $age . "<br>";
}

fclose($file);

Keywords

variables text file extraction PHP functions values

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