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Adding PHP tags to an old cgi program

Our web site has grown over the years, and we've developed a number of very useful scripts such as our quotation system that's written in Perl and our live server test program in Tcl and Expect. Now we require to run those scripts within the current look and feel, with its printer friendly flexibility, customisation to reflect the country from whom our visitors arrive, and so on, all of which are facilities offered by PHP. This can't simply be done by adding PHP tags into the output of the Perl or Tcl programs - cgi output is NOT parsed by the PHP interpreter - so how have we done it?

* New PHP pages call up the cgi scripts, now using them as application servers, and extract the pertinant information they return.

* Our cgi-bin scripts are little changed, but we have added markers in the form of HTML comments to indicate the start and end of the content generated.

* In the case of CGI scripts which use form inputs, we have also updated the scripts so that they can read parameters from the command line in addition to URL-encoding.

Try out our new server status page and see how it works. You can see the source code here and you can still run it the old way here (Shhh - don't tell the look-and-feel team).

The extra code in the PHP page is just:

$howsit = implode("",file("http://$_SERVER[SERVER_NAME]/cgi-bin/net/livetest.exp"));
preg_match('/<!-- start -->(.*)<!-- end -->/is',$howsit,$gotten);

(written 2006-04-08, updated 2006-06-05)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
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)
  [3432] 3 digit HTTP status codes - what are they, which are most common, which should be a concern? - (2011-09-11)
  [3036] Sending out an email containing HTML from within a PHP page - (2010-11-07)
  [2918] Downloading a report from the web for further local analysis - (2010-08-13)
  [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)
  [1549] http, https and ajp - comparison and choice - (2008-02-22)
  [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)
  [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)
  [484] Setting the file name for a downloaded document - (2005-11-03)
  [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)

T212 - Tcl/Tk - Expect Processes
  [4678] Expect with Ruby - a training example to get you started - (2016-05-18)
  [3448] Checking all the systems on a subnet, using Expect and Tk - (2011-09-18)
  [2489] Parallel Pinging, using Python Threads or Expect spawn lists - (2009-11-02)
  [2474] Using Tcl and Expect to automate repetitive jobs - (2009-10-24)
  [1785] What is running on your network? (tcl and expect) - (2008-09-04)
  [1173] Cheat Sheet / Check list for Expect maintainers - (2007-05-02)
  [287] Checking that all our servers are up and accessible - (2005-04-22)


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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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