超级精简的php模板解析引擎iSmarty-PHP源码

超级精简的php模板解析引擎iSmarty-PHP源码

1. [代码][PHP]代码

', $text);
        $text        = str_replace('{/loop}', '', $text);
        $text        = str_replace('{foreachelse}', '', $text);
        $text        = str_replace('{/foreach}', '', $text);
        $text        = str_replace('{else}', '', $text);
        $text        = str_replace('{loopelse}', '', $text);
        // template pattern tags //
        $pattern     = array(
            '/\$(\w*[a-zA-Z0-9_])/',
            '/\$this\-\>vars\[\'(\w*[a-zA-Z0-9_])\'\]+\.(\w*[a-zA-Z0-9])/',
            '/\{include file=(\"|\'|)(\w*[a-zA-Z0-9_\.][a-zA-Z]\w*)(\"|\'|)\}/',
            '/\{\$this\-\>vars(\[\'(\w*[a-zA-Z0-9_])\'\])(\[\'(\w*[a-zA-Z0-9_])\'\])?\}/',
            '/\{if (.*?)\}/',
            '/\{elseif (.*?)\}/',
            '/\{loop \$(.*) as (\w*[a-zA-Z0-9_])\}/',
            '/\{foreach \$(.*) (\w*[a-zA-Z0-9_])\=\>(\w*[a-zA-Z0-9_])\}/'
        );
        // replacement PHP tags //
        $replacement = array(
            '$this->vars[\'\1\']',
            '$this->vars[\'\1\'][\'\2\']',
            'display(\'\2\')?>',
            'vars\1\3?>',
            '',
            '',
            'vars[\'\2\']) {?>',
            'vars[\'\2\']=>$this->vars[\'\3\']) {?>'
        );
        // repalce template tags to PHP tags //
        $text = preg_replace($pattern, $replacement, $text);
        
        // create compile file //
        $compliefile = $this->compiledir . basename($tpl) . '.php';
        if ($fp = @fopen($compliefile, 'w')) {
            fputs($fp, $text);
            fclose($fp);
        }
    }
    
    /*
     * assigns values to template variables
     * @param array|string $k the template variable name(s)
     * @param mixed $v the value to assign
     */
    function assign($k, $v = null)
    {
        $this->vars[$k] = $v;
    }
    
    /*
     * ste directory where templates are located
     * @param string $str (path)
     */
    function templateDir($path)
    {
        $this->templatedir = $this->pathCheck($path);
    }
    
    /*
     * set where compiled templates are located
     * @param string $str (path)
     */
    function compileDir($path)
    {
        $this->compiledir = $this->pathCheck($path);
    }
    
    /*
     * check the path last character
     * @param string $str (path)
     * @return string
     */
    function pathCheck($str)
    {
        return (preg_match('/\/$/', $str)) ? $str : $str . '/';
    }
    
    /*
     * executes & displays the template results
     * @param string $tpl (template file)
     */
    function display($tpl)
    {
        $tplfile = $this->templatedir . $tpl;
        if (!file_exists($tplfile)) {
            exit('can not load template file : ' . $tplfile);
        }
        $compliefile = $this->compiledir . $tpl . '.php';
        if (!file_exists($compliefile) || filemtime($tplfile) > filemtime($compliefile)) {
            $this->parse($tplfile);
        }
        include_once($compliefile);
    }
}

?>

2. [代码][PHP]代码

assign('title','标题');
$tpl->assign('Name','名字');

$contact = array('1'=>'张一','2'=>'zhang2');
$tpl->assign('contact',$contact);
$tpl->display('test.html');

?>

3. [代码][PHP]代码

{$title} - {$Name}
{foreach $contact  key=>val}
	{$key}: {$val}

{/foreach}

4. [文件] test.zip

test.zip