convert to snake case

jvitstring

echo convertToSnakeCase('Hello friends');

// result: hello_friends

Shortcut: snake

/**
* Convert a string to snake case.
*
* @param  string  $value
* @param  string  $delimiter
* @return string
*/
function convertToSnakeCase($value, $delimiter = '_')
{
  if (!ctype_lower($value)) {
    $value = preg_replace('/\s+/u', '', ucwords($value));

    $value = strtolower(preg_replace('/(.)(?=[A-Z])/u', '$1' . $delimiter, $value));
  }

  return $value;
}