This is the project I developed, if you are interested you can get them here:
This is an identification tag based on SVG, It can quickly generate various labels and status identifiers
fsockopen is socket package function, in addition to the basic commonly used TCP:// communication function, it also has other powerful communication function, UDP://, unix:// / udg:// and so on var…
This is a SESSION class function package, use more easily, just a few simple functions can use it.
This is a function wrapping through the Openssl to sign and validate the data, which ensures the integrity and security of the original data.