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<?php  
//parse_str与http_build_query的使用  
 
//使用parse_str将url字符串转变为key=>value的数组  
$str = "tn=monline_dg&ie=utf-8&bs=httpbuildurl&f=3&rsv_bp=1&wd=php+buildquery&rsv_sug3=17&rsv_sug4=330&rsv_sug1=16&oq=php+build&rsv_sug2=0&rsp=0&inputT=8922";  
parse_str($str,$arr);  
var_export($arr);  
 
/* 
输出： 
array ( 
  'tn' => 'monline_dg', 
  'ie' => 'utf-8', 
  'bs' => 'httpbuildurl', 
  'f' => '3', 
  'rsv_bp' => '1', 
  'wd' => 'php buildquery', 
  'rsv_sug3' => '17', 
  'rsv_sug4' => '330', 
  'rsv_sug1' => '16', 
  'oq' => 'php build', 
  'rsv_sug2' => '0', 
  'rsp' => '0', 
  'inputT' => '8922', 
) 
*/  
 
//使用http_build_query将key=>value的数组转变为url字符串  
$url = http_build_query($arr);  
echo($url);  
 
//输出：tn=monline_dg&ie=utf-8&bs=httpbuildurl&f=3&rsv_bp=1&wd=php+buildquery&rsv_sug3=17&rsv_sug4=330&rsv_sug1=16&oq=php+build&rsv_sug2=0&rsp=0&inputT=8922  
 
?>

<?php //parse_str与http_build_query的使用 //使用parse_str将url字符串转变为key=>value的数组 $str = "tn=monline_dg&ie=utf-8&bs=httpbuildurl&f=3&rsv_bp=1&wd=php+buildquery&rsv_sug3=17&rsv_sug4=330&rsv_sug1=16&oq=php+build&rsv_sug2=0&rsp=0&inputT=8922"; parse_str($str,$arr); var_export($arr); /* 输出： array ( 'tn' => 'monline_dg', 'ie' => 'utf-8', 'bs' => 'httpbuildurl', 'f' => '3', 'rsv_bp' => '1', 'wd' => 'php buildquery', 'rsv_sug3' => '17', 'rsv_sug4' => '330', 'rsv_sug1' => '16', 'oq' => 'php build', 'rsv_sug2' => '0', 'rsp' => '0', 'inputT' => '8922', ) */ //使用http_build_query将key=>value的数组转变为url字符串 $url = http_build_query($arr); echo($url); //输出：tn=monline_dg&ie=utf-8&bs=httpbuildurl&f=3&rsv_bp=1&wd=php+buildquery&rsv_sug3=17&rsv_sug4=330&rsv_sug1=16&oq=php+build&rsv_sug2=0&rsp=0&inputT=8922 ?>