Free PHPFree PHP scripts classes and info

Delete temporary files

This example shows how to delete specific files
after a given time span.
This works good for cleaning cached files.

MD5-based block cipher

Below is a MD5-based block cipher (MDC-like), which works in 128bit CFB mode.
It is very useful to encrypt secret data before transfer it over the network.

Format string as machine compatible key

This snippet converts a “dirty” string that may contain special characters into a machine compatible nice looking string.

That function works fine for creating urls or ID keys.