public function args_string()
	{
		if ( !isset( $this->args ) || !is_array( $this->args ) )
		{
			return null;
		}
		
		$args = $this->args;
		
		foreach( $args as $key => $arg )
		{
			if ( is_array( $arg ) )
			{
				$args[$key] = 'Array';
			} 
			else 
			{
				$args[$key] = var_export( $arg, true );
			}
		}
		
		return implode( ', ', $args );
	}
public function args_string()
	{
		if ( !isset( $this->args ) || !is_array( $this->args ) )
		{
			return null;
		}
		
		$args = $this->args;
		
		foreach( $args as $key => $arg )
		{
			if ( is_array( $arg ) )
			{
				$args[$key] = 'Array';
			} 
			else 
			{
				$args[$key] = var_export( $arg, true );
			}
		}
		
		return implode( ', ', $args );
	}
public function args_string ( ) { if ( ! isset ( $ this -> args ) || ! is_array ( $ this -> args ) ) { return null ; } $ args = $ this -> args ; foreach ( $ args as $ key => $ arg ) { if ( is_array ( $ arg ) ) { $ args [ $ key ] = 'Array' ; } else { $ args [ $ key ] = var_export ( $ arg , true ) ; } } return implode ( ', ' , $ args ) ; }
create an argument string

@return string
create an argument string