Examples
Table of Contents
Example #1 Using file_get_contents() to retrieve data from multiple sources
<?php
/* Read local file from /home/bar */
$localfile = file_get_contents("/home/bar/foo.txt");
/* Identical to above, explicitly naming FILE scheme */
$localfile = file_get_contents("file:///home/bar/foo.txt");
/* Read remote file from www.example.com using HTTP */
$httpfile = file_get_contents("http://www.example.com/foo.txt");
/* Read remote file from www.example.com using HTTPS */
$httpsfile = file_get_contents("https://www.example.com/foo.txt");
/* Read remote file from ftp.example.com using FTP */
$ftpfile = file_get_contents("ftp://user:pass@ftp.example.com/foo.txt");
/* Read remote file from ftp.example.com using FTPS */
$ftpsfile = file_get_contents("ftps://user:pass@ftp.example.com/foo.txt");
?>
Example #2 Making a POST request to an https server
<?php
/* Send POST request to https://secure.example.com/form_action.php
* Include form elements named "foo" and "bar" with dummy values
*/
$sock = fsockopen("ssl://secure.example.com", 443, $errno, $errstr, 30);
if (!$sock) die("$errstr ($errno)\n");
$data = "foo=" . urlencode("Value for Foo") . "&bar=" . urlencode("Value for Bar");
fwrite($sock, "POST /form_action.php HTTP/1.0\r\n");
fwrite($sock, "Host: secure.example.com\r\n");
fwrite($sock, "Content-type: application/x-www-form-urlencoded\r\n");
fwrite($sock, "Content-length: " . strlen($data) . "\r\n");
fwrite($sock, "Accept: */*\r\n");
fwrite($sock, "\r\n");
fwrite($sock, $data);
$headers = "";
while ($str = trim(fgets($sock, 4096)))
$headers .= "$str\n";
echo "\n";
$body = "";
while (!feof($sock))
$body .= fgets($sock, 4096);
fclose($sock);
?>
Example #3 Writing data to a compressed file
<?php
/* Create a compressed file containing an arbitrarty string
* File can be read back using compress.zlib stream or just
* decompressed from the command line using 'gzip -d foo-bar.txt.gz'
*/
$fp = fopen("compress.zlib://foo-bar.txt.gz", "wb");
if (!$fp) die("Unable to create file.");
fwrite($fp, "This is a test.\n");
fclose($fp);
?>
English translation
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Document created the 30/01/2003, last modified the 26/10/2018
Source of the printed document:https://www.gaudry.be/en//php-rf-stream.examples.html
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References
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The author This site is solely responsible for the way in which the various concepts, and the freedoms that are taken with the reference works, are presented here. Remember that you must cross multiple source information to reduce the risk of errors.
