php escape URL编码【PHP】

后端开发|php教程 php escape URL编码【PHP】

php,escape,URL编码

后端开发-php教程

徐祖宁的php版的escape/unescape函数

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function escape($str) { 
preg_match_all("/[\x80-\xff].|[\x01-\x7f]+/",$str,$r); 
$ar = $r[0]; 
foreach($ar as $k=>$v) { 
if(ord($v[0]) < 128) 
$ar[$k] = rawurlencode($v); 
else 
$ar[$k] = "%u".bin2hex(iconv("GB2312","UCS-2",$v)); 
} 
return join("",$ar); 
} 
function unescape($str) { 
$str = rawurldecode($str); 
preg_match_all("/(?:%u.{4})|.+/",$str,$r); 
$ar = $r[0]; 
foreach($ar as $k=>$v) { 
if(substr($v,0,2) == "%u" && strlen($v) == 6) 
$ar[$k] = iconv("UCS-2","GB2312",pack("H4",substr($v,-4))); 
} 
return join("",$ar); 
}