php URLs 分析库 -认识笔记

详见:http://php.net/manual/en/book.url.php

Example #1 parse_url() 例子
解析URL各类信息,存入数组:


以上例程会输出:

Array
(
[scheme] => http
[host] => hostname
[user] => username
[pass] => password
[path] => /path
[query] => arg=value
[fragment] => anchor
)

Example #2 parse_str() 例子
把参数查询字符串解析到变量中:

";
echo $age;
?>

在数组中存储变量:


Example #1 http_build_query() 例子
string http_build_query[1] ( array formdata [, string numeric_prefix])
(PHP 5)
根据数组产生一个urlencode之后的请求字符串,如果在基础数组中使用了数字下标同时给出了 numeric_prefix参数。

'bar',
              'baz'=>'boom',
              'cow'=>'milk',
              'php'=>'hypertext processor');

echo http_build_query($data) . "\n";
echo http_build_query($data, '', '&');

?>

example will output:

foo=bar&baz=boom&cow=milk&php=hypertext+processor
foo=bar&baz=boom&cow=milk&php=hypertext+processor

Example #2 http_build_query() with numerically index elements.

 'milk', 'php' =>'hypertext processor');

echo http_build_query($data) . "\n";
echo http_build_query($data, 'myvar_');
?>

example will output:

0=foo&1=bar&2=baz&3=boom&cow=milk&php=hypertext+processor
myvar_0=foo&myvar_1=bar&myvar_2=baz&myvar_3=boom&cow=milk&php=hypertext+processor
http://php.net/manual/en/function.http-build-query.php
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