1 function stringParser($string,$replacer){ 
 2 
 3     $result = str_replace(array_keys($replacer), array_values($replacer),$string); 
 4 
 5     return $result; 
 6 
 7 }
 8 
 9 //使用方法如下
10 
11 $string = 'The {b}anchor text{/b} is the {b}actual word{/b} or words used 
12 {br}to describe the link {br}itself'; 
13 
14 $replace_array = array('{b}' => '<b>','{/b}' => '</b>','{br}' => '<br >'); 
15 
16  
17 
18 echo stringParser($string,$replace_array);</br >