PHP - Function sql_regcase()
string sql_regcase (string string)
Definition and Usage
The sql_regcase() function can be thought of as a utility function, converting each character in the input parameter string into a bracketed expression containing two characters.
If the alphabetical character has both an uppercase and a lowercase format, the bracket will contain both forms; otherwise the original character will be repeated twice.
Returns a string of bracketed expression alongwith convered character.
Following is the piece of code, copy and paste this code into a file and verify the result.
<?php $version = "php 4.0"; print sql_regcase($version); ?>
This will produce following result: