CSS update class implemented by PHP

/** CSS Update class, update the version of the image within the CSS file * date:2013-02-05 * Author:fdipzone * ver:1.1 * edit:bbs.it-home.org * Func: * Update (); * * ver:1.1 Add search_child parameter, can traverse sub-folder */ Class cssupdate{ Private $csstmpl _path = null; Private $CSS _path = null; Private $replacetags = Array (); Private $search _child = false; Private $convert _num = 0; Private $is _ready = 0; /** initialization * @param String $csstmpl _path css template path * @param String $css _path CSS Target path * @param Array $replacetags The type of picture you want to replace * @param boolean $search _child whether to traverse subfolders, false by default */ Public function __construct ($csstmpl _path, $css _path, $replacetags =array (), $search _child=false) { if (!is_dir ($csstmpl _path) | | |!is_dir ($css _path) | |! $replacetags) { $this->is_ready = 0; }else{ $this->csstmpl_path = $csstmpl _path; $this->css_path = $css _path; $this->replacetags = $replacetags; $this->search_child = $search _child; $this->is_ready = 1; } } /** Updating CSS files */ Public Function Update () { if ($this->is_ready==0) { $this->response (' Csstmpl or Csspath or replacetags error '); Return '; } $this->traversing ($this->csstmpl_path); $this->response (' Covert num: '. $this->convert_num); } /** traversing a folder * @param String $path file path */ Private function traversing ($path) { $handle = Opendir ($path); while (($file =readdir ($handle))!==false) { if ($file! = ': ' && $file! = '. ') { $curfile = $path. ' /'. $file; if (Is_dir ($curfile)) {//Folder if ($this->search_child) {//need to traverse subfolders $this->traversing ($curfile); } }elseif ($this->checkext ($curfile)) {//CSS file $dfile = Str_replace ($this->csstmpl_path, $this->css_path, $curfile); $this->create ($curfile, $dfile); $this->response ($curfile. ' Convert to '. $dfile. ' Success '); $this->convert_num + +; } } } Closedir ($handle); } /** Check file suffix */ Private Function Checkext ($file) { $name = basename ($file); $namefrag = Explode ('. ', $name); if (count ($namefrag) >=2) { if (Strtolower ($namefrag [Count ($namefrag)-1] = = = ' css ') {//CSS file return true; } } return false; } /** Replace template content, write Csspath * @param String $tmplfile template file * @param String $dfile target file */ Private function Create ($tmplfile, $dfile) { $css _content = file_get_contents ($tmplfile); foreach ($this->replacetags as $tag) { $css _content = Str_replace ($tag, $tag. "?". Date (' Ymdhis '), $css _content); } if (!is_dir (DirName ($dfile))) {//Build target path mkdir (DirName ($dfile), 0755, true); } File_put_contents ($dfile, $css _content, True); } /** Output */ Private function Response ($content) { echo $content. " "; } } ?> Copy Code 2, demo example demo.php Require_once "CSSUpdate.class.php"; Define (' Root_path ', DirName (__file__)); $css _path = Root_path. ' /css '; $csstmpl _path = Root_path. ' /csstmpl '; $replacetags = Array ('. png ', '. jpg ', '. gif '); $cssobj = new Cssupdate ($csstmpl _path, $css _path, $replacetags); $cssobj->update (); ?> Copy Code Attached, PHP CSS Update class source download address.

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