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1. ?? ???? ???? ???.

2. ??? ??? ???? ??? ????? ???? ???.

3. ?? ?? ???? ??

?? ???? ?? ???. 4. ?? URL? ? ??? ?? ???? ???? ?? ????. ?

5. ???
... ....

?? ?? ??? ??? ?? ??? ?????.

?? ??? ????? ???? ?? ?? ??? ??????.

QQ截圖20161009113310.png

pathinfo

array pathinfo (string $path)
??: ?? ??? ???? ??? ??? ????? ?????

???? ?? ???? ?? ?????:

<?php
$path_parts = pathinfo('d:/www/index.inc.php');
 
echo '文件目錄名:'.$path_parts['dirname']."<br />";
echo '文件全名:'.$path_parts['basename']."<br />";
echo '文件擴展名:'.$path_parts['extension']."<br />";
echo '不包含擴展的文件名:'.$path_parts['filename']."<br />";
?>

??? ??? ????.

?? ???? ??: d:/www
?? ?? ??: lib.inc.php
?? ???: php
?? ?? ?? ???: lib.inc

basename

string basename ( string $path[, string $suffix ])
??: ?? ??? ???? ?? ??? ?????.
??? ? ?? ????? ?????.
? ?? ????? ? ?? ??? ??? ??? ???? ????? ?????.

<?php
 
echo "1: ".basename("d:/www/index.d", ".d").PHP_EOL;
echo "2: ".basename("d:/www/index.php").PHP_EOL;
echo "3: ".basename("d:/www/passwd").PHP_EOL;
 
?>

?? ??? ??? ????

1: index
2: index.php
3: passwd

dirname

dirname(string $path)
??: ?? ?? ? ?? ???? ??? ??

<?php
dirname(__FILE__);
?>

??: ???? ???? ??? ??? ??? ? ?? ? ??? ?????.

parse_url

??? ?? ?? URL(??? $path)
??: URL? ?? ???? ??

<?php
$url = 'http://username:password@hostname:9090/path?arg=value#anchor';
 
var_dump(parse_url($url));
 
?>

??? ??? ????.

array(8) {
["scheme"]=> string(4) "http"
["host"]=> " ??? ??"
["port"]=> int(9090)
["user"]=> "username"
["pass"]=> ) "password"
["path"]=> string(5) "/path"
["query"]=> string(9) "arg=value"
["fragment" ] => string(6) "anchor"
}

http_build_query

string http_build_query(??? $data ??)
??: ?? ??? ??

<?php
//定義一個關(guān)聯(lián)數(shù)組
$data = [
        'username'=>'liwenkai',
        'area'=>'hubei'
         ];
 
//生成query內(nèi)容
echo http_build_query($data);
?>

??? ??? ????.

username=liwenkai&area=hubei

http_build_url()
??: URL ??


??:
PHP_EOL ??
? Windows ???? echo "rn"? ????.
? unixlinux ???? echo "n"? ????.
? echo "r"? ????. Mac ?????


???? ??
||
<?php $url = 'http://username:password@hostname:9090/path?arg=value#anchor'; var_dump(parse_url($url)); ?>