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gopher_parsedir
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gopher_parsedir

(PECL)

gopher_parsedir -- Translate a gopher formatted directory entry into an associative array.

Description

array gopher_parsedir ( string dirent )

gopher_parsedir() parses a gopher formatted directory entry into an associative array.

While gopher returns text/plain documents for actual document requests. A request to a directory (such as /) will return specially encoded series of lines with each line being one directory entry or information line.

Parameters

dirent

The directory entry.

Return Values

Returns an associative array whose components are:

Upon failure, the additional data entry of the returned array will hold the parsed line.

Examples

Example 1. Hypothetical output from gopher://gopher.example.com/

0All about my gopher site.	/allabout.txt	gopher.example.com	70
9A picture of my cat.	/pics/cat.png	gopher.example.com	70
1A collection of my writings.	/stories	gopher.example.com	70
hThe HTTP version of this site.	URL:http://www.example.com	gopher.example.com	70
1Mirror of this site in Spain.	/	gopher.ejemplo.co.es	70
iWelcome to my gopher site.		error.host	1
iPlease select one of the options above		error.host	1
iSend complaints to /dev/null		error.host	1
iLong live gopher!		error.host	1

In the example above, the root directory at gopher.example.com knows about one DOCUMENT identified by 0 located at gopher://gopher.example.com:70/allabout.txt. It also knows about two other directory (which have their own listing files) at gopher://gopher.exmaple.com:70/stories and at gopher://gopher.ejemplo.co.es:70/. In addition there is a binary file, a link to an HTTP url, and several informative lines.

By passing each line of the directory listing into gopher_parsedir(), an associative array is formed containing a parsed out version of the data.

Example 2. Using gopher_parsedir()

<?php
$directory = file("gopher://gopher.example.com");

foreach($directory as $dirent) {
    print_r(gopher_parsedir($dirent));
}
?>

The above example will output:

Array (
  [type] => 0
  [title] => All about my gopher site.
  [path] => /allabout.txt
  [host] => gopher.example.com
  [port] => 70
)
Array (
  [type] => 9
  [title] => A picture of my cat.
  [path] => /pics/cat.png
  [host] => gopher.example.com
  [port] => 70
)
Array (
  [type] => 1
  [title] => A collection of my writings.
  [path] => /stories
  [host] => gopher.example.com
  [port] => 70
)
Array (
  [type] => 254
  [title] => The HTTP version of this site.
  [path] => URL:http://www.example.com
  [host] => gopher.example.com
  [port] => 70
)
Array (
  [type] => 1
  [title] => Mirror of this site in Spain.
  [path] => /
  [host] => gopher.ejemplo.co.es
  [port] => 70
)
Array (
  [type] => 255
  [title] => Welcome to my gopher site.
  [path] =>
  [host] => error.host
  [port] => 1
)
Array (
  [type] => 255
  [title] => Please select one of the options above.
  [path] =>
  [host] => error.host
  [port] => 1
)
Array (
  [type] => 255
  [title] => Send complaints to /dev/null
  [path] =>
  [host] => error.host
  [port] => 1
)
Array (
  [type] => 255
  [title] => Long live gopher!
  [path] =>
  [host] => error.host
  [port] => 1
)

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