Ubuntu 13.10 (Saucy) comes with PHP 5.5.3 and does not enable mcrypt by default. I am currently working on a personal project that requires to use mcrypt to encrypt and decrypt data. So I will need to enable it manually. To enable mcrypt is easy, simply following the steps below: …
Do you ever need to work with Time Zone info in your code? If no, you are lucky, if yes, then you might have encountered the strange interpretations of “GMT+11” in PHP. In common sense, either “UTC+11” or “GMT+11” would mean the GMT time + 11 hours, which will be …
Recently I needed a SFTP client to upload file securely from local machine to remote SFTP server. I built a client myself using PHP function “ssh2_scp_send” to upload the file. It worked fine on my local testing environment, but failed on production because our system engineer guy only allowed the …
Running command and getting the output via ssh2 is not as straightforward as running command directly using function exec(), it requires a few function calls using “stream”. The following code illustrates how to do it: This is simply for my personal note for future reference, but hopefully it can also …
OK, this is what I need to solve. Given an array of the following elements: I want to get the following combinations: It is quite obvious that I will need a recursive function to do this, but it is not straightforward to start writing the function straightaway. With the hope …
My new Snowflake Blog is now live. I will not be updating this blog anymore but will continue with new contents in the Snowflake world!