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Example of CSS update class implemented in php_PHP tutorial
- WBOYOriginal
- 2016-07-13 10:18:41935browse
Instance of CSS update class implemented in php
The CSSUpdate.class.php class file is as follows:
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/**css update class, update the version of the image in the css file * Date: 2013-02-05 * Author: fdipzone * Ver: 1.1 * * Func: * update(); * * Ver: 1.1 Add search_child parameter to traverse subfolders */
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 image to be replaced * @param boolean $search_child Whether to traverse subfolders, default false */ public function __construct($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; $this->is_ready = 1; } }
/**Update css file*/ public function update(){ if($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); }
/**Traverse folders * @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){ // 需要遍历子文件夹 $this->traversing($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文件 return true; } } return false; }
/**Replace template content and 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))){ // 生成目标路径 mkdir(dirname($dfile), 0755, true); } file_put_contents($dfile, $css_content, true); }
/**output*/ private function response($content){ echo $content." } } ?> |
demo示例程序如下:
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