★ wanayoo — archive 1999 http://www.php.net/manual/ja/function.file.php

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Manual: file

Updated
Sat, 12 Aug 2000

file

(PHP3 , PHP4 )

file -- ファイル全体を読み込んで配列に格納する

説明

array file (string filename [, int use_include_path])

readfile()と同じですが、file() はファイルを配列に入れて返すところが異なります。配列の各要素はファイルの各行に対応します。改行記号はついたままとなります。

オプションの2番目の引数を使用して、これに"1"を設定することにより、 include_path のファイルの検索も行うことができます。

<?php
// Webページを配列として取得し、出力します。
$fcontents = file( 'http://www.php.net' );
while ( list( $line_num, $line ) = each( $fcontents ) ) {
   echo "<b>Line $line_num:</b> " . htmlspecialchars( $line ) . "<br>\n";
}

// Webページを文字列として取得します。
$fcontents = join( '', file( 'http://www.php.net' ) );
?>

readfile(),fopen(), popen()も参照下さい。

User Contributed Notes: file

php@interfaces.fr
20-Jul-1999 04:15

Be careful using this function while operating on MacOS files !!! As described in the "get_meta_tags" function (http://www.php.net/manual/function.get-meta-tags.php3), php uses a native function to parse input of files, so Mac files won't work on unix platform : -(

sean@devhype.com
24-Sep-1999 06:34

Store the contents of the file in a variable called $contents. Then use this line to pull out all of the links, but make sure to remove the href= /old?u=http%3A%2F%2Fwww.php.net%2Fmanual%2Fja%2Fout&y=1999 of each link in the array. $tmp preg_match_all("|href=/old?u=http%3A%2F%2Fwww.php.net%2Fmanual%2Fja%2F%28%5B%24%2F%5C&y=1999'\"a-zA-Z0-9][^\s>\'\"]+)|i",$contents,$linksarray); NOTE: $linksarray[0][0] is the first link returned and $linksarray[0][1] is the next, so on and so forth.

billgr@sunoptics.caltech.edu
04-Feb-2000 01:33

When using file() with remote files, it doesn't seem to like to get a file from the local host. That is, running it on the server host.com, it doesn't want to get "http://www.host.com/"

discoone@discoone.com
18-Feb-2000 12:24

Getting files on the same web server works perfectly. I'm using this function to retrieve some files which URLs are stored in a mysql database. Thus the correct use of the function itself as i used is : <pre> $url = 'http://www.thehost.it/thepath/thefile.htm'; $allfile = file($url); </pre> giving the entire URL with HTTP:// and so on it seems to work, at least under BSD/OS v. 4.0.1 , Zend engine v.0.90, Apache/1.3.1 PHP/4.0b2.

davidbullock@tech-center.com
23-Feb-2000 03:23

If the retrieval of the file fails, then instead of the variable being set to an array, it will be set to a boolean.

If you are accessing a virtual host (ala Apache) with HTTP, be sure that the IP you are resolving to is one that the vhost is bound on.

anonymous
23-Feb-2000 07:21

To sean@devhype.com, That was a good example for ripping links out of html. I praise you! God you're a PHP god. I visit gelicon.com all the time, your PHP tutorials rule!

stralud@libero.it
15-Mar-2000 11:43

ATTENTION!! If you have: $array = file("filename"); the last character of the array element is the newline char. So if you use the array elements remember it.

caspian@linuxfreak.com
22-Mar-2000 12:50

So what is the opposite of this function? What is the easiest way to dump an array to a file? i.e. in Perl you can just say print FILEHANDLE @array;

mayur@morelinux.com
29-Mar-2000 10:13

How do I open multiple files (File names stored in a array) in W+ moed and overwirte them with NEW content patched on the old HTML files ? Contents are stored in a mysql database .... Thanks in advance !

cleong@organic.com
22-Apr-2000 05:09

Use chop() to remove the newline/return characters from the end of the lines.

mars@redplanetsw.com
07-Jul-2000 02:31

Opposite of this function would be something like: <PRE>print implode("", $array);</PRE> implode() joins an array of strings into a single string.

ted@php.net
10-Jul-2000 01:32

Here's a way to put the contents of a file into a mail message: <pre> $msg=""; while ( list( $line_num, $line ) = each( $fcontents ) ) { // Throw away the line number. $msg .= $line; // Append the line to the message. } //echo $msg; //Just to see it; remove for production. mail($to, $subject, $msg); </pre>

tribui@hotmail.com
11-Jul-2000 03:14

file() does not work with links?

dhickey@websitefactory.net
19-Jul-2000 12:51

You need to have PHP compiled with URL compliant fopen wrappers in order to use file on links.

25-Jul-2000 12:21

Does it support https,ssl ??

jay@webtechnw.com
25-Jul-2000 07:05

I need to parse a response from a webserver over https. A simple fopen statment seems to be close to what im looking for, however the default method is a GET request, where I must have a POST request. In short.. i need to post variables to a script on another server and then process its response.

php2eran@tromer.org
27-Jul-2000 12:47

In PHP 4.0.0 and lower, array elements are never longer than 8190 characters. Longer lines are split. This limitation was removed in PHP 4.0.1.

jay@webtechnw.com
27-Jul-2000 04:48

Problem solved.. If you are looking for a way to..Have PHP make an SSL encrypted post to a transaction server? Use cURL. example.. http://www.faqts.com/knowledge-base/view.phtml/aid/697/fid/105/lang/en or just go to http://curl.haxx.se/

E.S.Verhoef@zap.a2000.nl
31-Jul-2000 11:10

Hi all, is it possible to count the number of files in a certain directory?

micfur@hotmail.com
01-Aug-2000 03:50

Hi, I am getting this error returned : Warning: File("http://www.php.net") - No such file or directory when I try to use the 'file' function. Any ideas? Thanks

Updated
Sat, 12 Aug 2000

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