Thursday, September 03, 2015
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TravelPort Universal API - Ping Request with PHP-cURL

Applies to:
  • TravelPort Universal API
  • PHP 4 or 5
  • cURL
An article on how to resolve errors and setup a standard ping request using the TravelPort Universal API. This is to be achieved using PHP as the server-side programming language and cURL, a sub-component of PHP that allows you to send and receive requests as the server (as opposed to the client device).

Yes there's documentation online that TravelPort provide you with but it didn't help. The error I'm going to address has to do with getting the latest schemas but as I couldn't find anything using Google regarding these errors or how to set up a basic ping request, I thought I'd write this article.

Using PHP and cURL, here is the full script for a standard ping request. Before you say it doesn't work, it has to be updated every time a new schema is introduced to the system. See my errors section for how you can resolve this.

Convert XML UTF-16 to JSON UTF-8 with PHP cURL

Previously titled
Fix PHP cURL: parser error: Document labelled UTF-16 but has UTF-8 content

This is an article with notes for me on how to convert some received XML encoded in UTF-16 to some JSON in UTF-8. If it were entirely in UTF-8, I would simply load the received XML with SimpleXML and use the built-in PHP JSON_encode function. I ran into the following errors:
Warning: SimpleXMLElement::__construct() [<a href='simplexmlelement.--construct'>simplexmlelement.--construct</a>]: Entity: line 1: parser error : Document labelled UTF-16 but has UTF-8 content in /public_html/.../.../my_script.php on line ###

Warning: simplexml_load_string() [<a href='function.simplexml-load-string'>function.simplexml-load-string</a>]: Entity: line 1: parser error : Document labelled UTF-16 but has UTF-8 content in /public_html/.../.../my_script.php on line ###
So I've googled, binged and yahoo'd for this and although there are some solutions that deal with loading UTF16 content into SimpleXMLElement or simplexml_load_string, it doesn't solve my problem. I'm receiving XML data within a cURL result but I get the above error with using either "SimpleXMLElement" or "simplexml_load_string". Returning the XML with cURL isn't a problem, but I want to convert it to JSON and I usually use a PHP function to load the data into an XML array and use the built-in PHP function: "json_encode".


PHP: First name and Initial of Surname

A note for myself on some code to convert a string of two names into a string made up of the first name and then using the initial of the second name.

  1.  -- What I have 
  2.  John Smith 
  3.  Fred.Bloggs 
  5.  -- What I want 
  6.  John S. 
  7.  Fred B. 


Anti-SQL Injection Function - Not a silver bullet

So, seriously, this is not going to stop all the attacks out there; it is simply a base function to build upon. This is a PHP function I got off the PHP forums years ago, and can't find it anymore, so I'm posting it here... And now people can see how I safeguard my sites but obscurity should never be a recommended security measure.

This function will check a posted string for suspicious activity and email the specified system administrator. You should modify it to suit your sites needs (eg. if you need to accept url encoded values). It needs some work I know but it's a start. I'd advise using PHP sessions though as well (see after).

Preg_Replace all strings between two tags

For those of you who use Preg_Replace. Preg_replace is a function that uses regular expressions to search and replace a string.

Because my understanding with regular expressions is shady and varies from language to language, I've written this article as a quick reference point.


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