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Home | A simple php cashe using a php buffer. Just some basics to get the ball rolling. i made a class from this, Download EasyPHPCashe First thing we need to know is the page name to be cashed. and avoid page creation errors by cleaning the name. use of $_SERVER['REQUEST_URI'] enables dynamic pages. this code would be in the top or header page. //fix for IIS if(!isset($_SERVER['REQUEST_URI'])) { if(isset($_SERVER['SCRIPT_NAME'])) $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME']; else $_SERVER['REQUEST_URI'] = $_SERVER['PHP_SELF']; if($_SERVER['QUERY_STRING']){ $_SERVER['REQUEST_URI'] .= '?'.$_SERVER['QUERY_STRING']; } } //end IIS fix //pull everything out that is not aplha,numeric. and add the storage dir. Also we dont want to cashe post pages, you may have to add some codeing depending to stop the cashe on certian pages. or dont add to those pages. like if($_POST) $cashe off, dont want to cashe posted stuff...nor display pages before the post. $cashe_page = 'cashe/'.eregi_replace("[^A-Z,0-9]", '', $_SERVER['REQUEST_URI']).'.txt'; //seconds $cashe_lifetime = 3600; if(is_file($cashe_page)){ //last time the file was modified minus time now plus cashe life time. $cahse_filetime = filemtime($cashe_page) - time() + $cashe_lifetime; if($cahse_filetime > 0){ if(@include $cashe_page) exit; } else $cashe_it = 1; } else $cashe_it = 1; //at top the page just before where content starts if($_POST) $cashe_it = 0; if($cashe_it){ ob_start(); } //content some content //footer or the end of the page. write buffer to file. //file_put_contents is php ver 5+ if($cashe_it){ //get buffer data $ob_end = ob_get_contents(); file_put_contents($cashe_page,$ob_end); } |
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