PHP面向对象(OOP)
$url = http://www.zhyunfe.com/OOP/Page.class.php?page=1 parse_url($url):将url的文件路径和参数分开并保存到数组中..........................................
.array (size=2)
.'path' => string '/OOP/Page.class.php' (length=36)
.'query' => string 'page=1' (length=6)
..........................................
...
$query = "page=1&num=2&sex=男"
parse_str($query,$query):将带参数的字符串解析成数组
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. array
.'page' => 1
.'num'=> 2
.'sex'=> '男'
..........................................
...
$query = ['num'=>1,'sex'=>'男']
http_build_query($query):使用给出的关联(或下标)数组生成一个经过 URL-encode 的请求字符串。
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. string
."num=1&&sex='男'"
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...
$_SERVER['SERVER_PORT'] 获取端口号
$_SERVER['SERVER_NAME'] 当前运行脚本所在的服务器的主机名。如果脚本运行于虚拟主机中,该名称是由那个虚拟主机所设置的值决定
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