PHP Basic Knowledge "function" (7) URL and OB function

Source: Internet
Author: User
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First, the URL function

  1, UrlEncode --encoded URL string

  2, UrlDecode -decode encoded URL string

  3. Rawurlencode -encode URLs according to RFC 1738

  4, Rawurldecode --decoding encoded URL string

  5, Base64_encode --encode data using MIME base64

  6, Base64_decode --decoding data encoded with MIME base64

  7, Parse_url -parse URL, return its components

 8, Get_meta_tags --Extracts all meta tags from a file content property, returns an array

  9, Http_build_query --the request string after generating url-encoded

 $url = "http://www.zhuyibo.com/zhuadmin/order?id=124&type=1";

echo UrlEncode ($url); Http%3a%2f%2fwww.zhuyibo.com%2fzhuadmin%2forder%3fid%3d124%26type%3d1

echo Rawurlencode ($url); Http%3a%2f%2fwww.zhuyibo.com%2fzhuadmin%2forder%3fid%3d124%26type%3d1

echo Base64_encode ($url);//ahr0cdovl3d3dy56ahv5awjvlmnvbs96ahvhzg1pbi9vcmrlcj9pzd0xmjqmdhlwzt0x

Print_r (Parse_url ($url))//array ([scheme] + http [host] = www.zhuyibo.com [path] +/zhuadmin/order [query] = id=124&type=1)

Second, output control function

 1. Ob_start -Open output control buffer

 2. Ob_clean -Empty (erase) the output buffer

  3. Ob_end_clean -Empty (erase) buffer and turn off output buffering

 4. Ob_flush -Flushes out (sends out) the contents of the output buffer

 5. Ob_end_flush -Flushes out (sends out) the output buffer content and closes the buffer

  6. Ob_get_clean -Gets the contents of the current buffer and deletes the current output slow.

  7, Ob_get_contents -Returns the contents of the output buffer

  8, Ob_get_flush -brush Out (send) buffer content, return content as a string, and close the output buffer.

  9, Ob_get_length- returns the length of the output buffer content

  10, Ob_get_level -Returns the nesting level of the output buffering mechanism

 11, Ob_get_status -Get the status of all output buffers

  12, Ob_gzhandler -callback function used in Ob_start to compress the contents of the output buffer. Ob_start callback function to gzip output buffer

  13. Ob_implicit_flush -turn on/off absolute swipe

  14. Ob_list_handlers- lists all the output handlers in use.

  15. Flush -Refreshes the output buffer

  16, Output_add_rewrite_var -Add the value of the URL rewrite (add URL rewriter values)

  17, Output_reset_rewrite_vars -Resets the value of the URL rewrite (reset URL rewriter values)

PHP Basic Knowledge "function" (7) URL and OB function

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