What are the advantages of using a custom function for modifying variable values in PHP scripts compared to directly using built-in functions like str_replace and strtolower?

Using a custom function for modifying variable values in PHP scripts allows for more flexibility and control over the modification process. It also makes the code more readable and maintainable by encapsulating the logic in a single function. Additionally, custom functions can be reused across multiple scripts, promoting code reusability. 

// Custom function to replace a substring and convert to lowercase
function customModifyString($string, $search, $replace) {
    $modifiedString = str_replace($search, $replace, $string);
    return strtolower($modifiedString);
}

// Example usage
$string = "Hello World!";
$modifiedString = customModifyString($string, "Hello", "Hi");
echo $modifiedString; // Output: "hi world!"

Keywords

custom function variable values PHP scripts str_replace strtolower

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