original_string: public static function check_name(): bool
    {
  
      $args = \func_get_args();
      // Each argument must be a string starting with a letter, and having only one character made of letters, numbers and underscores
      foreach ( $args as $a ){
        $a = self::cast($a);
        $t = preg_match('#[A-z0-9_]+#',$a,$m);
        if ( $t !== 1 || $m[0] !== $a ){
          return false;
        }
      }
  
      return true;
    }
code: public static function check_name(): bool
    {
  
      $args = \func_get_args();
      // Each argument must be a string starting with a letter, and having only one character made of letters, numbers and underscores
      foreach ( $args as $a ){
        $a = self::cast($a);
        $t = preg_match('#[A-z0-9_]+#',$a,$m);
        if ( $t !== 1 || $m[0] !== $a ){
          return false;
        }
      }
  
      return true;
    }
code_tokens: public static function check_name ( ) : bool { $ args = \ func_get_args ( ) ; // Each argument must be a string starting with a letter, and having only one character made of letters, numbers and underscores foreach ( $ args as $ a ) { $ a = self :: cast ( $ a ) ; $ t = preg_match ( '#[A-z0-9_]+#' , $ a , $ m ) ; if ( $ t !== 1 || $ m [ 0 ] !== $ a ) { return false ; } } return true ; }
docstring: Checks if a string complies with SQL naming convention.
  
  ```php
  \bbn\x::dump(\bbn\str::check_name("Paul"));
  // (bool) true
  \bbn\x::dump(\bbn\str::check_name("Pa ul"));
  // (bool) false
  ```
  
  @return bool
docstring_tokens: Checks if a string complies with SQL naming convention .