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$a = json_decode('{"status":0,"total":1,"size":1,"contents":[{"title":"111","location":[113.11509,23.012777],"city":"\u4f5b\u5c71\u5e02","create_time":1385386545,"geotable_id":38432,"address":"\u5e7f\u4e1c\u7701\u4f5b\u5c71\u5e02\u7985\u57ce\u533a\u6c7e\u6c5f\u5357\u8def8\u53f7","province":"\u5e7f\u4e1c\u7701","district":"\u7985\u57ce\u533a","map_id":"1","uid":42504634,"coord_type":3,"type":0,"distance":370,"weight":0}]}',true);
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json_decode第二个参数true
解析出来就是array(4) { ["status"]= int(0) ["total"]= int(1) ["size"]= int(1) ["contents"]= array(1) { [0]= array(14) { ["title"]= string(3) "111" ["location"]= array(2) { [0]= float(113.11509) [1]= float(23.012777) } ["city"]= string(9) "佛山市" ["create_time"]= int(1385386545) ["geotable_id"]= int(38432) ["address"]= string(43) "广东省佛山市禅城区汾江南路8号" ["province"]= string(9) "广东省" ["district"]= string(9) "禅城区" ["map_id"]= string(1) "1" ["uid"]= int(42504634) ["coord_type"]= int(3) ["type"]= int(0) ["distance"]= int(370) ["weight"]= int(0) } } }
这样的数组会取内容了吧
用正则替换
$string='{"id":"2","username":"test","email":"123@qq.com","logintime":null,"loginip":null,"status":"0"}';
$new_str=preg_replace('/"([a-z]+)"\:/','\1:',$string);
输出$new_str是去掉了key键的引号:
{id:"2",username:"test",email:"123@qq.com",logintime:null,loginip:null,status:"0"}
在json中不支持中文,用它传送中文数据就会出现数据丢失或者乱码,必须在传送前对要发送的字符串进行编码,由于传送过去需要用js进行数据解析,考虑
到js中有unescape函数,故若在php中有个escape函数,对数据进行编码,在客户端用unescape进行
解码,这样就会方便很多。
本文给大家分享一个PHP解密Unicode及Escape加密字符串函数
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?php
function
uni_decode($s)
{
preg_match_all('/#([0-9]{2,5});/',
$s,
$html_uni);
preg_match_all('/[%]u([0-9a-f]{4})/ie',
$s,
$js_uni);
$source
=
array_merge($html_uni[0],
$js_uni[0]);
$js
=
array();
for($i=0;$icount($js_uni[1]);$i++)
{
$js[]
=
hexdec($js_uni[1][$i]);
}
$utf8
=
array_merge($html_uni[1],
$js);
$code
=
$s;
for($j=0;$jcount($utf8);$j++)
{
$code
=
str_replace($source[$j],
unicode2utf8($utf8[$j]),
$code);
}
return
$code;//$s;//preg_replace('/u([0-9a-f]{4})/ie',
chr(hexdec('1')),
$s);
}
function
unicode2utf8($c)
{
$str=;
if
($c
0x80)
{
$str.=chr($c);
}
else
if
($c
0x800)
{
$str.=chr(0xc0
|
$c6);
$str.=chr(0x80
|
$c
0x3f);
}
else
if
($c
0x10000)
{
$str.=chr(0xe0
|
$c12);
$str.=chr(0x80
|
$c6
0x3f);
$str.=chr(0x80
|
$c
0x3f);
}
else
if
($c
0x200000)
{
$str.=chr(0xf0
|
$c18);
$str.=chr(0x80
|
$c12
0x3f);
$str.=chr(0x80
|
$c6
0x3f);
$str.=chr(0x80
|
$c
0x3f);
}
return
$str;
}
$str='%u5927%u5BB6%u597D%uFF0C我是孤魂!br
/u8FD9u662Fu6D4Bu8BD5u6587u672CuFF01';
echo
uni_decode($str);
//
大家好,我是孤魂!这是测试文本!
在网上搜索一把,很多用php实现的escape函数,大同小异
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function
phpescape($str){
preg_match_all(/[x80-xff].|[x01-x7f]+/,$str,$newstr);
$ar
=
$newstr[0];
foreach($ar
as
$k=$v){
if(ord($ar[$k])=127){
$tmpString=bin2hex(iconv(GBK,ucs-2,$v));
if
(!eregi(WIN,PHP_OS)){
$tmpString
=
substr($tmpString,2,2).substr($tmpString,0,2);
}
$reString.=%u.$tmpString;
}
else
{
$reString.=
rawurlencode($v);
}
}
return
$reString;
}
以上所述就是本文的全部内容了,希望大家能够喜欢。