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php parse_url 函数教程

Jun 13, 2016 am 11:17 AM
parse php url function Tutorial parse return

php parse_url 函数教程  

parse_url
( PHP 4中, PHP 5中)

parse_url -解析URL并返回其组成部分

描述
混合parse_url (字符串$网址[摘要$部分= -1 ] )
此功能解析一个URL并返回一个关联数组含有任何的各个组成部分的URL ,也存在着分歧。

这个功能并不意味着验证给定网址,它不仅打破了它的上述部分。部分网址也接受, parse_url ( )会尝试尽量正确解析。

参数

网址
网址解析。无效的字元取代_.


部分
指定一个PHP_URL_SCHEME , PHP_URL_HOST , PHP_URL_PORT , PHP_URL_USER , PHP_URL_PASS , PHP_URL_PATH , PHP_URL_QUERY或PHP_URL_FRAGMENT检索只是一个特定的URL的组成部分作为一个字符串。


返回值
对严重畸形的URL , parse_url ( )可能会返回FALSE并发出E_WARNING 。否则关联数组返回的,其成分可能是(至少一个) :

计划-例如网址
主人
港口
用户
通行证
路径
查询-后问号?
片段-后hashmark #

如果部分参数指定返回一个字符串而不是一个数组。

修改

版本说明
5.1.2时间元件参数


实例

$url = 'http://username:password@hostname/path?arg=value#anchor';

print_r(parse_url($url));

echo parse_url($url, PHP_URL_PATH);
?>
The above example will output:

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


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