The likely option for php to bcp conversion would be to import the PHP script to Bambalam PHP EXE Compiler / Embedder and use it in a new or existing project that actually has bpc extension. We do not know about any other possible conversion between these two file types.
Convert PHP script or page to Bambalam project file.
We have found one software suitable in our database for this conversion.
Microsoft Windows software - convert php to bcp on Windows
A command line tool for converting PHP to EXE
Convert from php file format
The table with program actions contains information about what each program is capable of doing with their files. This may be a good pointer for further searches for certain file conversions and help you find the converter you are looking for if our search result is insufficient for you. However, it is far from perfect and may sometimes show results which are not really usable because of the nature of the software handles the files. So a conversion that appears as possible, just because of matched actions, may in fact not be possible.