RE: Improved zend_string API

Hi Dmitry, I just commited some additional changes, following your suggestions : - Renamed every ‘zend_string_xxx()’ functions to ‘ZSTR_’-prefixed uppercase names, - Defined compatibility macros for old names - Changed the rest of the code to use new ZSTR_ names - A special case for zend_string_tolower(), which I found in ‘zend_operators.c’. I renamed it but didn’t move it to zend_string.c/.h. You probably know better than me if there’s a good reason to define it there or if it should be moved. I also made ZSTR_LEN() read-only (ZSTR_SET_LEN() must be used for write operations), making the zend_string API ‘clean’ in terms of separate getters/setters (Z_STRLEN() remains a read-write macro, no BC break here). I removed the functions you removed. Anyway, increment/decrement functions will need to be defined when we migrate the code to use the API only because the code often increments/decrements string length. As ZSTR_LEN() is read-only, we cannot use ‘++’ with it, and providing increment/decrement functions at the zend_string level is the only way to avoid writing ‘ZSTR_SET_LEN(s,ZSTR_LEN(s) + 1)’. I hope we (and especially you) still have enough time to integrate this, especially the new ‘ZSTR’ naming scheme. Anyway, I’m glad you could commit the most important additions for 7.0. Regards François