PHP全世界最小最简单的模板引擎------Pain (普通版),不同于smarty,所有的变量以{@ @}括起来,有助于大家对模板引擎的了解。
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Pain.php
<?php
class Pain
{
public $var=array();
public $tpl=array();
//this is the method to assign vars to the template
public function assign($variable,$value=null)
{
$this->var[$variable]=$value;
}
public function display($template_name,$return_string=false)
{
//first find whether the tmp file in tmp dir exists.
if(file_exists("tmp/temp_file.php"))
{
unlink("tmp/temp_file.php");
}
extract($this->var);
$tpl_content=file_get_contents($template_name);
$tpl_content=str_replace("{@", "<?php echo ", $tpl_content);
$tpl_content=str_replace("@}", " ?>", $tpl_content);
//create a file in the /tmp dir and put the $tpl_contentn into it, then
//use 'include' method to load it!
$tmp_file_name="temp_file.php";
//$tmp is the handler
$tmp=fopen("tmp/".$tmp_file_name, "w");
fwrite($tmp, $tpl_content);
include "tmp/".$tmp_file_name;
}
}
?>test.php
<?php
require_once "Pain.php";
$pain=new Pain();
$songyu="songyu nb";
$zhangyuan="zhangyuan sb";
$pain->assign("songyu",$songyu);
$pain->assign("zhangyuan",$zhangyuan);
$pain->display("new_file.html");
?>new_file.html
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01//EN"
"http://www.w3.org/TR/html4/strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>new_file</title>
</head>
<body>
{@$songyu@}<br/>
{@$zhangyuan@}
</body>
</html>
