PHP file include by dot notation tricks for developers

php file include by dot notation

/**
 * Dot notation Directory access / file include
 */

/**
 * @param string $file_name
 *
 * Without Given file extension, it will be add from function
 *
 * for @usage 1
 */

function load_file($file_name = ''){
    $ext = substr($file_name, strpos($file_name, '.', -4) );
    $file_base_name = substr($file_name, 0,  strpos($file_name, '.', -4) );

    $file_name = str_replace('.', DIRECTORY_SEPARATOR, $file_base_name).$ext;
    if (file_exists($file_name)){
        include $file_name;
    }
}

/**
 * @param string $file_name
 *
 * Without Given file extention, it will add from function
 *
 * for @usage 2
 */
function load_file($file_name = ''){
    $file_name = str_replace('.', DIRECTORY_SEPARATOR, $file_name).'.php';

    if (file_exists($file_name)){
        include $file_name;
    }
}

/**
 * @param string $file_name
 * @return string
 *
 * Just return the file path
 * for @usage 3
 */

function get_file($file_name = ''){
    return str_replace('.', DIRECTORY_SEPARATOR, $file_name).'.php';
}

/**
 * Usage with file extension
 *
 * @usage 1
 */
load_file('directory.directory1.directory2.filename.php');
//include file from (directory/directory1/directory2/filename.php)

/**
 * Usage without file extension
 * @usage 2
 */

load_file('directory.directory1.directory2.filename');
//include file from (directory/directory1/directory2/filename.php)

/**
 * Usage via return method
 * @usage 3
 */

$file_path = get_file('directory.directory1.directory2.filename');
//return file path (directory/directory1/directory2/filename.php)

//Do whatever you want with $file_path