php的帮助文档,涉及到PHP的案例和基本语法,以及实际应用内容

												 				  Return the nesting level of the output buffering mechanism				  				 				 				 ob_get_length				 ob_get_status				 Output Control Functions				 PHP Manual								 				  ob_get_level				  (PHP 4 >= 4.2.0, PHP 5)ob_get_level — Return the nesting level of the output buffering mechanism								 				 				 				  Description				  				   int ob_get_level				    ( void				   )								  				   Returns the nesting level of the output buffering mechanism.				  				 												 				  Return Values				  				   Returns the level of nested output buffering handlers or zero if output				   buffering is not active.				  				 												 				  See Also				  				   				    ob_start()				    ob_get_contents()				   				  				 																 ob_get_length				 ob_get_status				 Output Control Functions				 PHP Manual