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Setting the file name for a downloaded document

When you're writing a script to send a file to a browser, you can force it to be saved as a file using a content type header, and you can give it a name different to your script by using a content disposistion. In PHP, you might write

header("content-type: application/octet-stream\n".
"content-disposition: attachment; filename=\"$var.txt\"\n");

Remember - if you're going to call the header function, you MUST do it before you send any output to the browser!

(written 2005-11-03, updated 2006-06-05)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
A207 - Web Application Deployment - HTTP
  [3432] 3 digit HTTP status codes - what are they, which are most common, which should be a concern? - (2011-09-11)
  [2918] Downloading a report from the web for further local analysis - (2010-08-13)
  [2738] What is all this SESSION stuff about? (PHP) - (2010-04-25)
  [2596] Http protocol - what does a web server send - (2010-01-24)
  [2321] Uploading and Downloading files - changing names (Perl and PHP) - (2009-08-04)
  [1549] http, https and ajp - comparison and choice - (2008-02-22)
  [1503] Web page (http) error status 405 - (2008-01-12)
  [1378] Etag in http headers - what is it? - (2007-10-03)

H112 - PHP - Further Web Page and Network Handling
  [4483] Moving from mysql to mysqli - simple worked example - (2015-05-03)
  [4070] Passing variable between PHP pages - hidden fields, cookies and sessions - (2013-04-26)
  [3918] Multiple page web applications - maintaining state - PHP - (2012-11-10)
  [3568] Telling which ServerAlias your visitor used - useful during merging domains - (2012-01-04)
  [3540] Easy session example in PHP - keeping each customers data apart - (2011-12-06)
  [3036] Sending out an email containing HTML from within a PHP page - (2010-11-07)
  [2729] Uploading a document or image to its own URL via a browser - (2010-04-18)
  [2679] How to build a test harness into your PHP - (2010-03-16)
  [2632] Shipping a test harness with your class in PHP - (2010-02-12)
  [1518] Downloading data for use in Excel (from PHP / MySQL) - (2008-01-25)
  [1515] Keeping staff up to date on hotel room status - (2008-01-22)
  [1505] Script to present commonly used images - PHP - (2008-01-13)
  [1496] PHP / Web 2 logging - (2008-01-06)
  [1495] Single login and single threaded models - Java and PHP - (2008-01-04)
  [1485] Copyright and theft of images, bandwidth and members. - (2007-12-26)
  [1379] Simple page password protection - PHP - (2007-10-04)
  [1355] .php or .html extension? Morally Static Pages - (2007-09-17)
  [1210] PHP header() function - uses and new restrictions - (2007-05-30)
  [1187] Updating a page strictly every minute (PHP, Perl) - (2007-05-14)
  [1183] Improving searches - from OR to AND? - (2007-05-11)
  [1114] PHP Image upload script - (2007-03-21)
  [1009] Passing GET parameters through Apache mod_rewrite - (2006-12-27)
  [936] Global, Superglobal, Session variables - scope and persistance in PHP - (2006-11-21)
  [904] Of course I'll tell you by email - (2006-10-25)
  [847] Image maps for navigation - a straightforward example - (2006-08-28)
  [789] Hot answers in PHP - (2006-07-02)
  [767] Finding the language preference of a web site visitor - (2006-06-18)
  [675] Adding PHP tags to an old cgi program - (2006-04-08)
  [603] PHP - setting sort order with an associative array - (2006-02-13)
  [565] Using PHP to output images, XML, Style sheets, etc - (2006-01-15)
  [542] Morning image, afternoon image - (2005-12-26)
  [537] Daily Image Santafied - (2005-12-22)
  [451] Accessing a page via POST from within a PHP script - (2005-09-26)
  [443] Server side scripting of styles to suit the browser - (2005-09-12)
  [425] Caching an XML feed - (2005-08-26)
  [410] Reading a news or blog feed (RSS) in your PHP page - (2005-08-12)
  [376] What brings people to my web site? - (2005-07-13)
  [372] Time calculation in PHP - (2005-07-08)
  [356] Sudoku helper or sudoku cheat - (2005-06-23)
  [345] Spotting a denial of service attack - (2005-06-12)
  [314] What language is this written in? - (2005-05-17)
  [220] When to use Frames - (2005-02-19)


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Looking for railway groups and users - Swindon, Salisbury, Southampton
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Rail services under threat - Swindon, Melksham ... and Newquay and Bicester too
North, Norther and Northest - PHP 5 Objects
Setting the file name for a downloaded document
Double Dollars in PHP
Different ways of selling
PHP upgrade - traps to watch
New look to website
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